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<DIV align="center" style="font-size: 10pt; margin-top: 18pt">As filed with the Securities and Exchange Commission on May&nbsp;24, 2006.
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 0pt">Registration No.&nbsp;333-__________
</DIV>


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>WASHINGTON, DC 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT UNDER THE<BR>
SECURITIES ACT OF 1933</B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>QUICKSILVER RESOURCES INC.</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><B>(Exact Name of Registrant as Specified in Its Charter)</B></DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware<BR>
(State or Other Jurisdiction of<BR>
Incorporation or Organization)</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>75-2756163<BR>
(I.R.S. Employer Identification No.)</B></TD>
</TR>
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</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>777 West Rosedale Street, Suite&nbsp;300</B><BR>
<B>Fort Worth, Texas 76104<BR>
(817)&nbsp;665-5000<BR>
(Address of Principal Executive Offices)</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 18pt"><B>2006 Equity Plan</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><B>(Full Title of the Plan)</B></DIV>



<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Glenn Darden<BR>
777 West Rosedale Street, Suite&nbsp;300<BR>
Fort Worth, Texas 76104<BR>
(817)&nbsp;665-5000<BR>
(Name and Address of Agent For Service)<BR>
Copies to:</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="47%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>John C. Cirone, Esq.<BR>
Senior Vice President, General Counsel and Secretary<BR>
Quicksilver Resources Inc.<BR>
777 West Rosedale Street, Suite&nbsp;300<BR>
Forth Worth, Texas 76104<BR>
(817)&nbsp;665-5000</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Mark E. Betzen, Esq.<BR>
Jones Day<BR>
2727 North Harwood Street<BR>
Dallas, Texas 75201<BR>
(214)&nbsp;220-3939</B></TD>
</TR>
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</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>CALCULATION OF REGISTRATION FEE</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="1%">&nbsp;</TD>
    <TD width="54%">&nbsp;</TD>
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    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="23" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Proposed</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Proposed</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Maximum</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Maximum</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><b>Title of Each Class of</b></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Amount</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Offering</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Aggregate</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Amount of</b></TD>
    <TD>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><b>Securities to</b></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>to be</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Price per</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Offering</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Registration</b></TD>
    <TD>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><b>be Registered</b></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Registered (1)</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Share (2)</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Price (2)</b></TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><b>Fee</b></TD>
    <TD>&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, par value
$0.01 per share, and
associated rights (3)</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">7,000,000</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="left" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">33.67</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="left" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">235,655,000</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="left" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">25,216</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="23" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

<!-- End Table Body -->
</TABLE>
</DIV>



<DIV style="margin-top: 3pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>
<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Represents the maximum number of shares of common stock of the registrant,
$0.01 par value, issuable pursuant to our 2006 Equity Plan. Pursuant to Rule
416 of the General Rules and Regulations under the Securities Act of 1933,
there are also registered hereunder such indeterminate number of additional
shares as may become subject to awards under our 2006 Equity Plan as a result
of the antidilution provisions contained therein.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>The registration fee with respect to these shares has been computed in
accordance with paragraphs (c)&nbsp;and (h)&nbsp;of Rule&nbsp;457 of the General Rules and
Regulations under the Securities Act of 1933, based upon the average of the
reported high and low sale prices of shares of the common stock on the New York
Stock Exchange on May&nbsp;22, 2006.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(3)</TD>
    <TD>&nbsp;</TD>
    <TD>Also being registered are rights to purchase shares of Series&nbsp;A Junior
Participating Preferred Stock, which are attached to the shares of common stock
being registered. These rights, if issued, will be issued for no additional
consideration. Pursuant to Rule 457(g) of the General Rules and Regulations
under the Securities Act of 1933, no additional registration fee is required in
connection with the registration of the rights.</TD>
</TR>

</TABLE>
</DIV>


<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART I</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INFORMATION REQUIRED IN THE SECTION 10(A) PROSPECTUS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;1. Plan Information.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In accordance with Rule&nbsp;428 of the General Rules and Regulations under the Securities
Act of 1933 and the Note to Part&nbsp;I of Form S-8, the information required by this item has been
omitted from this registration statement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;2. Registrant Information and Employee Plan Annual Information.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In accordance with Rule&nbsp;428 of the General Rules and Regulations under the Securities
Act of 1933 and the Note to Part&nbsp;I of Form S-8, the information required by this item has been
omitted from this registration statement.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3. Incorporation of Documents by Reference.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This registration statement incorporates herein by reference the following documents which
have been filed with the Securities and Exchange Commission by us:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(a)&nbsp;our Annual Report on Form 10-K (SEC File No.&nbsp;001-14837) for the fiscal year ended December
31, 2005, filed on March&nbsp;1, 2006, including any amendments thereto;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(b)&nbsp;our Quarterly Report on Form 10-Q (SEC File No.&nbsp;001-14837) for the fiscal quarter ended
March&nbsp;31, 2006, filed on May&nbsp;8, 2006, including any amendments thereto;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(c)&nbsp;our Current Reports on Form 8-K (SEC File No.&nbsp;001-14837) filed on January&nbsp;19, 2006, January
31, 2006, February&nbsp;1, 2006, February&nbsp;22, 2006, March&nbsp;13, 2006, March&nbsp;14, 2006, March&nbsp;21, 2006
and April&nbsp;5, 2006;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(d)&nbsp;the description of our common stock, par value $0.01 per share, contained in our
Registration Statement on Form 8-A (SEC File No.&nbsp;001-14837) filed on October&nbsp;11, 2001, including
any amendments thereto; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(e)&nbsp;the description of our rights to purchase Series&nbsp;A Junior Participating Preferred Stock
contained in our Registration Statement on Form 8-A (SEC File No.&nbsp;001-14837) filed on March&nbsp;14,
2003, including any amendments thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents subsequently filed by us pursuant to Sections&nbsp;13(a), 13(c), 14 or 15(d) of the
Securities Exchange Act of 1934 prior to the filing of a post-effective amendment which indicates
that all securities offered have been sold or which deregisters all securities then remaining
unsold, shall be deemed to be incorporated by reference into this registration statement and to be
a part hereof from the date of filing of such documents.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;4. Description of Securities.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5. Interests of Named Experts and Counsel.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>

<P align="center" style="font-size: 10pt">2
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;6. Indemnification of Directors and Officers.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We are incorporated in Delaware. Under Section&nbsp;145 of the Delaware General Corporation Law, a
Delaware corporation has the power, under specified circumstances, to indemnify its directors,
officers, employees and agents in connection with actions, suits or proceedings brought against
them by a third party or in the right of the corporation, by reason of the fact that they were or
are such directors, officers, employees or agents, against expenses and liabilities incurred in any
such action, suit or proceedings so long as they acted in good faith and in a manner that they
reasonably believed to be in, or not opposed to, the best interests of such corporation, and with
respect to any criminal action if they had no reasonable cause to believe their conduct was
unlawful. With respect to suits by or in the right of such corporation, however, indemnification
is generally limited to attorneys&#146; fees and other expenses and is not available if such person is
adjudged to be liable to such corporation unless the court determines that indemnification is
appropriate. A Delaware corporation also has the power to purchase and maintain insurance for such
persons. Our amended and restated certificate of incorporation and bylaws provide for
indemnification of directors and officers to the fullest extent permitted by Section&nbsp;145 of the
Delaware General Corporation Law. We have also entered into indemnification agreements with our
directors and officers that provide them with indemnification to the fullest extent permitted by
Section&nbsp;145 of the Delaware General Corporation Law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additionally, we have acquired directors and officers insurance which includes coverage for
liability under the federal securities laws.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;102(b)(7) of the Delaware General Corporation Law provides that a certificate of
incorporation may contain a provision eliminating or limiting the personal liability of a director
to the corporation or its stockholders for monetary damages for breach of fiduciary duty as a
director provided that such provision may not eliminate or limit the liability of a director (i)
for any breach of the director&#146;s duty of loyalty to the corporation or its stockholders, (ii)&nbsp;for
acts or omissions not in good faith or which involve intentional misconduct or a knowing violation
of law, (iii)&nbsp;under Section&nbsp;174 (relating to liability for unauthorized acquisitions or redemptions
of, or dividends on, capital stock) of the Delaware General Corporation Law, or (iv)&nbsp;for any
transaction from which the director derived an improper personal benefit. Our amended and restated
certificate of incorporation contains such a provision.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The above discussion of our amended and restated certificate of incorporation, bylaws,
indemnification agreements and Sections&nbsp;102(b)(7) and 145 of the Delaware General Corporation Law
is not intended to be exhaustive and is qualified in its entirety by such amended and restated
certificate of incorporation, bylaws, indemnification agreements and statutes.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;7. Exemption from Registration Claimed.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>

<P align="center" style="font-size: 10pt">3
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits.</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="7%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B> </B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Certificate of Incorporation of Quicksilver Resources Inc. (filed as
Appendix&nbsp;B to our Definitive Proxy Statement filed April&nbsp;7, 2006 and included herein by
reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Bylaws of Quicksilver Resources Inc. (filed as Exhibit&nbsp;4.2 to our Form&nbsp;S-4, File No.
333-66709, filed November&nbsp;3, 1998 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amendment to the Bylaws of Quicksilver Resources Inc., adopted on November&nbsp;30, 1999 (filed
as Exhibit&nbsp;3.4 to our Form&nbsp;10-K filed March&nbsp;27, 2001 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amendment to the Bylaws of Quicksilver Resources Inc., adopted on June&nbsp;5, 2001 (filed as
Exhibit&nbsp;3.2 to our Form&nbsp;10-Q filed August&nbsp;14, 2001 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amendment to the Bylaws of Quicksilver Resources Inc., adopted March&nbsp;11, 2003 (filed as
Exhibit&nbsp;3.8 to our Form&nbsp;10-K filed March&nbsp;26, 2003 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.6
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Rights Agreement, dated as of December&nbsp;20, 2005, between Quicksilver
Resources Inc. and Mellon Investor Services LLC, as Rights Agent (filed as Exhibit&nbsp;4.1 to
our Form&nbsp;8-A/A filed December&nbsp;21, 2005 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of John C. Cirone, Senior Vice President, General Counsel and Secretary of
Quicksilver Resources Inc.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">15.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Awareness Letter of Deloitte &#038; Touche LLP regarding unaudited interim financial information.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Deloitte &#038; Touche LLP.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Schlumberger Data and Consulting Services.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of LaRoche Petroleum Consultants, Ltd.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Netherland Sewell &#038; Associates, Inc.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of John C. Cirone (included in Exhibit&nbsp;5.1).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2006 Equity Plan (filed as Appendix&nbsp;C to our Definitive Proxy Statement filed April&nbsp;7, 2006
and included herein by reference).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9. Undertakings.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">(1)&nbsp;The undersigned registrant hereby undertakes:
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(a)&nbsp;To file, during any period in which offers or sales are being made, a post-effective
amendment to this registration statement:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">(i)&nbsp;To include any prospectus required by Section&nbsp;10(a)(3) of the Securities Act of 1933;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">(ii)&nbsp;To reflect in the prospectus any facts or events arising after the effective date of
this registration statement (or the most recent post-effective amendment thereof) which,
individually or in the aggregate, represent a fundamental change in the information set
forth in this registration statement. Notwithstanding the foregoing, any increase or
decrease in volume of securities offered (if the total dollar value of securities offered
would not exceed that which was registered) and any deviation from the low or high end of
the estimated maximum offering range may be reflected in a form of prospectus filed with the
Securities and Exchange Commission pursuant to Rule 424(b) if, in the aggregate, the changes
in volume and price represent no more than a 20% change in the maximum aggregate offering
price set forth in the &#147;Calculation of Registration Fee&#148; table in the effective registration
statement; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">(iii)&nbsp;To include any material information with respect to the plan of distribution not
previously disclosed in this registration statement or any material change to such
information in this registration statement.
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%"><I>Provided, however</I>, that paragraphs (1)(a)(i) and (1)(a)(ii) above do not apply if the
registration statement is on Form S-8 and the information required to be included in a
post-effective amendment by those paragraphs is
</DIV>

<P align="center" style="font-size: 10pt">4
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">contained in periodic reports filed with or furnished to the Commission by the registrant
pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934 that are incorporated by
reference in the registration statement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(b)&nbsp;That, for the purpose of determining any liability under the Securities Act of 1933, each
such post-effective amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to
be the initial <I>bona fide </I>offering thereof.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(c)&nbsp;To remove from registration by means of a post-effective amendment any of the securities
being registered which remain unsold at the termination of the offering.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 3%">(d)&nbsp;That, for the purpose of determining liability of the registrant under the Securities Act of
1933 to any purchaser in the initial distribution of the securities, the undersigned registrant
undertakes that in a primary offering of securities of the undersigned registrant pursuant to
this registration statement, regardless of the underwriting method used to sell the securities
to the purchaser, if the securities are offered or sold to such purchaser by means of any of the
following communications, the undersigned registrant will be a seller to the purchaser and will
be considered to offer or sell such securities to such purchaser:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">(i)&nbsp;Any preliminary prospectus or prospectus of the undersigned registrant relating to the
offering required to be filed pursuant to Rule&nbsp;424;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">(ii)&nbsp;Any free writing prospectus relating to the offering prepared by or on behalf of the
undersigned registrant or used or referred to by the undersigned registrant;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">(iii)&nbsp;The portion of any other free writing prospectus relating to the offering containing
material information about the undersigned registrant or its securities provided by or on
behalf of the undersigned registrant; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">(iv)&nbsp;Any other communication that is an offer in the offering made by the undersigned
registrant to the purchaser.
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">(2)&nbsp;The registrant hereby undertakes that, for purposes of determining any liability under the
Securities Act of 1933, each filing of the registrant&#146;s annual report pursuant to Section 13(a) or
15(d) of the Securities Exchange Act of 1934 (and, where applicable, each filing of an employee
benefit plan&#146;s annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934) that
is incorporated by reference in this registration statement shall be deemed to be a new
registration statement relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial <I>bona fide </I>offering thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">(3)&nbsp;Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the registrant pursuant to the
foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy as expressed in
the Act and is, therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by a registrant of expenses incurred or paid by a
director, officer or controlling person of the registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person in connection with
the securities being registered, the registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public policy as expressed in the Act and
will be governed by the final adjudication of such issue.
</DIV>



<P align="center" style="font-size: 10pt">5
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Fort Worth, County of Tarrant, State of Texas, on May&nbsp;24,
2006.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">QUICKSILVER RESOURCES INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Philip Cook
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Philip W. Cook&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Senior Vice President -- Chief Financial Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed below by the following persons in the capacities and on the dates indicated.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="39%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>SIGNATURE</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>TITLE</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>DATE</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">*
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Thomas F. Darden</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
Chairman of the Board
and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">*
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Glenn Darden</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
President, Chief Executive
Officer and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">/s/ Philip Cook
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Philip W. Cook</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
Senior Vice President &#151;
Chief Financial Officer
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">*
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
D. Wayne Blair</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
Vice President, Controller
and Chief Accounting Officer
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">*
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
James A. Hughes</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">*
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Steven M. Morris</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">*
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Anne Darden Self</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">*
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
W. Yandell Rogers, III</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em"><!-- Blank Space -->
    <TD align="right">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="padding-top: 1em">
    <TD align="center" nowrap valign="top">*
<DIV style="font-size: 1pt; border-bottom: 1px solid #000000">&nbsp;</DIV>
Mark J. Warner</TD>
    <TD>&nbsp;</TD>
    <TD align="center">
Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May 24, 2006</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">*&nbsp;&nbsp;&nbsp;The undersigned, by signing his name hereto, signs and executes this registration
statement pursuant to the powers of attorney executed by the above-named officers and directors and
filed with the Securities and Exchange Commission.
</DIV>


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">                                                  /s/ Philip Cook
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Philip W. Cook<BR>
Attorney-in-Fact&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXHIBIT INDEX</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="7%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Certificate of Incorporation of Quicksilver Resources Inc. (filed as
Appendix&nbsp;B to our Definitive Proxy Statement filed April&nbsp;7, 2006 and included herein by
reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Bylaws of Quicksilver Resources Inc. (filed as Exhibit&nbsp;4.2 to our Form&nbsp;S-4, File No.
333-66709, filed November&nbsp;3, 1998 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amendment to the Bylaws of Quicksilver Resources Inc., adopted on November&nbsp;30, 1999 (filed
as Exhibit&nbsp;3.4 to our Form&nbsp;10-K filed March&nbsp;27, 2001 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amendment to the Bylaws of Quicksilver Resources Inc., adopted on June&nbsp;5, 2001 (filed as
Exhibit&nbsp;3.2 to our Form&nbsp;10-Q filed August&nbsp;14, 2001 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amendment to the Bylaws of Quicksilver Resources Inc., adopted March&nbsp;11, 2003 (filed as
Exhibit&nbsp;3.8 to our Form&nbsp;10-K filed March&nbsp;26, 2003 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.6
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Rights Agreement, dated as of December&nbsp;20, 2005, between Quicksilver
Resources Inc. and Mellon Investor Services LLC, as Rights Agent (filed as Exhibit&nbsp;4.1 to
our Form&nbsp;8-A/A filed December&nbsp;21, 2005 and included herein by reference).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of John C. Cirone, Senior Vice President, General Counsel and Secretary of
Quicksilver Resources Inc.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">15.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Awareness Letter of Deloitte &#038; Touche LLP regarding unaudited interim financial information.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Deloitte &#038; Touche LLP.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Schlumberger Data and Consulting Services.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of LaRoche Petroleum Consultants, Ltd.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Netherland Sewell &#038; Associates, Inc.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of John C. Cirone (included in Exhibit&nbsp;5.1).</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney.</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2006 Equity Plan (filed as Appendix&nbsp;C to our Definitive Proxy Statement filed April&nbsp;7, 2006
and included herein by reference).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

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{"company-data": {"conformed-name": "QUICKSILVER RESOURCES INC", "cik": "0001060990", "assigned-sic": "1311", "irs-number": "752756163", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-134430", "film-number": "06864619"}, "business-address": {"street1": "777 WEST ROSEDALE ST", "street2": "SUITE 300", "city": "FORT WORTH", "state": "TX", "zip": "76104", "phone": "8176655000"}, "mail-address": {"street1": "777 WEST ROSEDALE STREET", "street2": "SUITE 300", "city": "FORT WORTH", "state": "TX", "zip": "76104"}}
sv8
As filed with the Securities and Exchange Commission on May 24, 2006.
Registration No. 333-__________
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM S-8
REGISTRATION STATEMENT UNDER THE
SECURITIES ACT OF 1933
QUICKSILVER RESOURCES INC.
(Exact Name of Registrant as Specified in Its Charter)
Delaware
(State or Other Jurisdiction of
Incorporation or Organization)
75-2756163
(I.R.S. Employer Identification No.)
777 West Rosedale Street, Suite 300
Fort Worth, Texas 76104
(817) 665-5000
(Address of Principal Executive Offices)
2006 Equity Plan
(Full Title of the Plan)
Glenn Darden
777 West Rosedale Street, Suite 300
Fort Worth, Texas 76104
(817) 665-5000
(Name and Address of Agent For Service)
Copies to:
John C. Cirone, Esq.
Senior Vice President, General Counsel and Secretary
Quicksilver Resources Inc.
777 West Rosedale Street, Suite 300
Forth Worth, Texas 76104
(817) 665-5000
Mark E. Betzen, Esq.
Jones Day
2727 North Harwood Street
Dallas, Texas 75201
(214) 220-3939
CALCULATION OF REGISTRATION FEE
Proposed
Proposed
Maximum
Maximum
Title of Each Class of
Amount
Offering
Aggregate
Amount of
Securities to
to be
Price per
Offering
Registration
be Registered
Registered (1)
Share (2)
Price (2)
Fee
Common Stock, par value
$0.01 per share, and
associated rights (3)
7,000,000
$
33.67
$
235,655,000
$
25,216
(1)
Represents the maximum number of shares of common stock of the registrant,
$0.01 par value, issuable pursuant to our 2006 Equity Plan. Pursuant to Rule
416 of the General Rules and Regulations under the Securities Act of 1933,
there are also registered hereunder such indeterminate number of additional
shares as may become subject to awards under our 2006 Equity Plan as a result
of the antidilution provisions contained therein.
(2)
The registration fee with respect to these shares has been computed in
accordance with paragraphs (c) and (h) of Rule 457 of the General Rules and
Regulations under the Securities Act of 1933, based upon the average of the
reported high and low sale prices of shares of the common stock on the New York
Stock Exchange on May 22, 2006.
(3)
Also being registered are rights to purchase shares of Series A Junior
Participating Preferred Stock, which are attached to the shares of common stock
being registered. These rights, if issued, will be issued for no additional
consideration. Pursuant to Rule 457(g) of the General Rules and Regulations
under the Securities Act of 1933, no additional registration fee is required in
connection with the registration of the rights.
PART I
INFORMATION REQUIRED IN THE SECTION 10(A) PROSPECTUS
Item 1. Plan Information.
In accordance with Rule 428 of the General Rules and Regulations under the Securities
Act of 1933 and the Note to Part I of Form S-8, the information required by this item has been
omitted from this registration statement.
Item 2. Registrant Information and Employee Plan Annual Information.
In accordance with Rule 428 of the General Rules and Regulations under the Securities
Act of 1933 and the Note to Part I of Form S-8, the information required by this item has been
omitted from this registration statement.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference.
This registration statement incorporates herein by reference the following documents which
have been filed with the Securities and Exchange Commission by us:
(a) our Annual Report on Form 10-K (SEC File No. 001-14837) for the fiscal year ended December
31, 2005, filed on March 1, 2006, including any amendments thereto;
(b) our Quarterly Report on Form 10-Q (SEC File No. 001-14837) for the fiscal quarter ended
March 31, 2006, filed on May 8, 2006, including any amendments thereto;
(c) our Current Reports on Form 8-K (SEC File No. 001-14837) filed on January 19, 2006, January
31, 2006, February 1, 2006, February 22, 2006, March 13, 2006, March 14, 2006, March 21, 2006
and April 5, 2006;
(d) the description of our common stock, par value $0.01 per share, contained in our
Registration Statement on Form 8-A (SEC File No. 001-14837) filed on October 11, 2001, including
any amendments thereto; and
(e) the description of our rights to purchase Series A Junior Participating Preferred Stock
contained in our Registration Statement on Form 8-A (SEC File No. 001-14837) filed on March 14,
2003, including any amendments thereto.
All documents subsequently filed by us pursuant to Sections 13(a), 13(c), 14 or 15(d) of the
Securities Exchange Act of 1934 prior to the filing of a post-effective amendment which indicates
that all securities offered have been sold or which deregisters all securities then remaining
unsold, shall be deemed to be incorporated by reference into this registration statement and to be
a part hereof from the date of filing of such documents.
Item 4. Description of Securities.
Not applicable.
Item 5. Interests of Named Experts and Counsel.
Not applicable.
2
Item 6. Indemnification of Directors and Officers.
We are incorporated in Delaware. Under Section 145 of the Delaware General Corporation Law, a
Delaware corporation has the power, under specified circumstances, to indemnify its directors,
officers, employees and agents in connection with actions, suits or proceedings brought against
them by a third party or in the right of the corporation, by reason of the fact that they were or
are such directors, officers, employees or agents, against expenses and liabilities incurred in any
such action, suit or proceedings so long as they acted in good faith and in a manner that they
reasonably believed to be in, or not opposed to, the best interests of such corporation, and with
respect to any criminal action if they had no reasonable cause to believe their conduct was
unlawful. With respect to suits by or in the right of such corporation, however, indemnification
is generally limited to attorneys' fees and other expenses and is not available if such person is
adjudged to be liable to such corporation unless the court determines that indemnification is
appropriate. A Delaware corporation also has the power to purchase and maintain insurance for such
persons. Our amended and restated certificate of incorporation and bylaws provide for
indemnification of directors and officers to the fullest extent permitted by Section 145 of the
Delaware General Corporation Law. We have also entered into indemnification agreements with our
directors and officers that provide them with indemnification to the fullest extent permitted by
Section 145 of the Delaware General Corporation Law.
Additionally, we have acquired directors and officers insurance which includes coverage for
liability under the federal securities laws.
Section 102(b)(7) of the Delaware General Corporation Law provides that a certificate of
incorporation may contain a provision eliminating or limiting the personal liability of a director
to the corporation or its stockholders for monetary damages for breach of fiduciary duty as a
director provided that such provision may not eliminate or limit the liability of a director (i)
for any breach of the director's duty of loyalty to the corporation or its stockholders, (ii) for
acts or omissions not in good faith or which involve intentional misconduct or a knowing violation
of law, (iii) under Section 174 (relating to liability for unauthorized acquisitions or redemptions
of, or dividends on, capital stock) of the Delaware General Corporation Law, or (iv) for any
transaction from which the director derived an improper personal benefit. Our amended and restated
certificate of incorporation contains such a provision.
The above discussion of our amended and restated certificate of incorporation, bylaws,
indemnification agreements and Sections 102(b)(7) and 145 of the Delaware General Corporation Law
is not intended to be exhaustive and is qualified in its entirety by such amended and restated
certificate of incorporation, bylaws, indemnification agreements and statutes.
Item 7. Exemption from Registration Claimed.
Not applicable.
3
Item 8. Exhibits.
Exhibit
Number
Description
4.1
Amended and Restated Certificate of Incorporation of Quicksilver Resources Inc. (filed as
Appendix B to our Definitive Proxy Statement filed April 7, 2006 and included herein by
reference).
4.2
Bylaws of Quicksilver Resources Inc. (filed as Exhibit 4.2 to our Form S-4, File No.
333-66709, filed November 3, 1998 and included herein by reference).
4.3
Amendment to the Bylaws of Quicksilver Resources Inc., adopted on November 30, 1999 (filed
as Exhibit 3.4 to our Form 10-K filed March 27, 2001 and included herein by reference).
4.4
Amendment to the Bylaws of Quicksilver Resources Inc., adopted on June 5, 2001 (filed as
Exhibit 3.2 to our Form 10-Q filed August 14, 2001 and included herein by reference).
4.5
Amendment to the Bylaws of Quicksilver Resources Inc., adopted March 11, 2003 (filed as
Exhibit 3.8 to our Form 10-K filed March 26, 2003 and included herein by reference).
4.6
Amended and Restated Rights Agreement, dated as of December 20, 2005, between Quicksilver
Resources Inc. and Mellon Investor Services LLC, as Rights Agent (filed as Exhibit 4.1 to
our Form 8-A/A filed December 21, 2005 and included herein by reference).
5.1
Opinion of John C. Cirone, Senior Vice President, General Counsel and Secretary of
Quicksilver Resources Inc.
15.1
Awareness Letter of Deloitte & Touche LLP regarding unaudited interim financial information.
23.1
Consent of Deloitte & Touche LLP.
23.2
Consent of Schlumberger Data and Consulting Services.
23.3
Consent of LaRoche Petroleum Consultants, Ltd.
23.4
Consent of Netherland Sewell & Associates, Inc.
23.5
Consent of John C. Cirone (included in Exhibit 5.1).
24.1
Power of Attorney.
99.1
2006 Equity Plan (filed as Appendix C to our Definitive Proxy Statement filed April 7, 2006
and included herein by reference).
Item 9. Undertakings.
(1) The undersigned registrant hereby undertakes:
(a) To file, during any period in which offers or sales are being made, a post-effective
amendment to this registration statement:
(i) To include any prospectus required by Section 10(a)(3) of the Securities Act of 1933;
(ii) To reflect in the prospectus any facts or events arising after the effective date of
this registration statement (or the most recent post-effective amendment thereof) which,
individually or in the aggregate, represent a fundamental change in the information set
forth in this registration statement. Notwithstanding the foregoing, any increase or
decrease in volume of securities offered (if the total dollar value of securities offered
would not exceed that which was registered) and any deviation from the low or high end of
the estimated maximum offering range may be reflected in a form of prospectus filed with the
Securities and Exchange Commission pursuant to Rule 424(b) if, in the aggregate, the changes
in volume and price represent no more than a 20% change in the maximum aggregate offering
price set forth in the "Calculation of Registration Fee" table in the effective registration
statement; and
(iii) To include any material information with respect to the plan of distribution not
previously disclosed in this registration statement or any material change to such
information in this registration statement.
Provided, however
, that paragraphs (1)(a)(i) and (1)(a)(ii) above do not apply if the
registration statement is on Form S-8 and the information required to be included in a
post-effective amendment by those paragraphs is
4
contained in periodic reports filed with or furnished to the Commission by the registrant
pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 that are incorporated by
reference in the registration statement.
(b) That, for the purpose of determining any liability under the Securities Act of 1933, each
such post-effective amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to
be the initial
bona fide
offering thereof.
(c) To remove from registration by means of a post-effective amendment any of the securities
being registered which remain unsold at the termination of the offering.
(d) That, for the purpose of determining liability of the registrant under the Securities Act of
1933 to any purchaser in the initial distribution of the securities, the undersigned registrant
undertakes that in a primary offering of securities of the undersigned registrant pursuant to
this registration statement, regardless of the underwriting method used to sell the securities
to the purchaser, if the securities are offered or sold to such purchaser by means of any of the
following communications, the undersigned registrant will be a seller to the purchaser and will
be considered to offer or sell such securities to such purchaser:
(i) Any preliminary prospectus or prospectus of the undersigned registrant relating to the
offering required to be filed pursuant to Rule 424;
(ii) Any free writing prospectus relating to the offering prepared by or on behalf of the
undersigned registrant or used or referred to by the undersigned registrant;
(iii) The portion of any other free writing prospectus relating to the offering containing
material information about the undersigned registrant or its securities provided by or on
behalf of the undersigned registrant; and
(iv) Any other communication that is an offer in the offering made by the undersigned
registrant to the purchaser.
(2) The registrant hereby undertakes that, for purposes of determining any liability under the
Securities Act of 1933, each filing of the registrant's annual report pursuant to Section 13(a) or
15(d) of the Securities Exchange Act of 1934 (and, where applicable, each filing of an employee
benefit plan's annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934) that
is incorporated by reference in this registration statement shall be deemed to be a new
registration statement relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial
bona fide
offering thereof.
(3) Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the registrant pursuant to the
foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy as expressed in
the Act and is, therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by a registrant of expenses incurred or paid by a
director, officer or controlling person of the registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person in connection with
the securities being registered, the registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public policy as expressed in the Act and
will be governed by the final adjudication of such issue.
5
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Fort Worth, County of Tarrant, State of Texas, on May 24,
2006.
QUICKSILVER RESOURCES INC.
By:
/s/ Philip Cook
Philip W. Cook
Senior Vice President -- Chief Financial Officer
Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed below by the following persons in the capacities and on the dates indicated.
SIGNATURE
TITLE
DATE
*
Thomas F. Darden
Chairman of the Board
and Director
May 24, 2006
*
Glenn Darden
President, Chief Executive
Officer and Director
May 24, 2006
/s/ Philip Cook
Philip W. Cook
Senior Vice President —
Chief Financial Officer
May 24, 2006
*
D. Wayne Blair
Vice President, Controller
and Chief Accounting Officer
May 24, 2006
*
James A. Hughes
Director
May 24, 2006
*
Steven M. Morris
Director
May 24, 2006
*
Anne Darden Self
Director
May 24, 2006
*
W. Yandell Rogers, III
Director
May 24, 2006
*
Mark J. Warner
Director
May 24, 2006
*   The undersigned, by signing his name hereto, signs and executes this registration
statement pursuant to the powers of attorney executed by the above-named officers and directors and
filed with the Securities and Exchange Commission.
By:
/s/ Philip Cook
Philip W. Cook
Attorney-in-Fact
EXHIBIT INDEX
Exhibit
Number
Description
4.1
Amended and Restated Certificate of Incorporation of Quicksilver Resources Inc. (filed as
Appendix B to our Definitive Proxy Statement filed April 7, 2006 and included herein by
reference).
4.2
Bylaws of Quicksilver Resources Inc. (filed as Exhibit 4.2 to our Form S-4, File No.
333-66709, filed November 3, 1998 and included herein by reference).
4.3
Amendment to the Bylaws of Quicksilver Resources Inc., adopted on November 30, 1999 (filed
as Exhibit 3.4 to our Form 10-K filed March 27, 2001 and included herein by reference).
4.4
Amendment to the Bylaws of Quicksilver Resources Inc., adopted on June 5, 2001 (filed as
Exhibit 3.2 to our Form 10-Q filed August 14, 2001 and included herein by reference).
4.5
Amendment to the Bylaws of Quicksilver Resources Inc., adopted March 11, 2003 (filed as
Exhibit 3.8 to our Form 10-K filed March 26, 2003 and included herein by reference).
4.6
Amended and Restated Rights Agreement, dated as of December 20, 2005, between Quicksilver
Resources Inc. and Mellon Investor Services LLC, as Rights Agent (filed as Exhibit 4.1 to
our Form 8-A/A filed December 21, 2005 and included herein by reference).
5.1
Opinion of John C. Cirone, Senior Vice President, General Counsel and Secretary of
Quicksilver Resources Inc.
15.1
Awareness Letter of Deloitte & Touche LLP regarding unaudited interim financial information.
23.1
Consent of Deloitte & Touche LLP.
23.2
Consent of Schlumberger Data and Consulting Services.
23.3
Consent of LaRoche Petroleum Consultants, Ltd.
23.4
Consent of Netherland Sewell & Associates, Inc.
23.5
Consent of John C. Cirone (included in Exhibit 5.1).
24.1
Power of Attorney.
99.1
2006 Equity Plan (filed as Appendix C to our Definitive Proxy Statement filed April 7, 2006
and included herein by reference).