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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman">UNITED STATES</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman">FORM 8-K</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">December 2, 2011 (November 30, 2011)</font><br>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman">BREITBURN ENERGY PARTNERS L.P.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">74-3169953</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Identification No.)</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">515 South Flower Street, Suite 4800</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline;" face="Wingdings">o</font> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline;" face="Wingdings">o</font> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline;" face="Wingdings">o</font> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline;" face="Wingdings">o</font> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</font></div>

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<div style="DISPLAY: block; TEXT-INDENT: 0pt"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">ITEM 1.01 Entry into a Material Definitive Agreement</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On November 30, 2011, BreitBurn Energy Partners L.P. (the &#8220;<font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-STYLE: italic">Partnership</font>&#8221;), a Delaware limited partnership, BreitBurn GP, LLC, a Delaware limited liability company and the general partner of the Partnership (the &#8220;<font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-STYLE: italic">General Partner</font>&#8221;), and Quicksilver Resources Inc., a Delaware corporation (the &#8220;<font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-STYLE: italic">Selling Unitholder</font>&#8221;), entered into an underwriting agreement (the &#8220;<font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-STYLE: italic">Underwriting Agreement</font>&#8221;) with Deutsche Bank Securities Inc., Merrill Lynch, Pierce, Fenner &amp; Smith Incorporated, Citigroup Global Markets Inc., Goldman, Sachs &amp; Co., UBS Securities LLC and Wells Fargo Securities, LLC, as representatives of the several underwriters set forth in Schedule I to the Underwriting Agreement (the &#8220;<font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-STYLE: italic">Underwriters</font>&#8221;), relating to the public offering by the Selling Unitholder of 6,967,844 common units representing limited&#160;partner interests&#160;in&#160;the Partnership ( the &#8220;<font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-STYLE: italic">Common Units</font>&#8221;) at a price to the public of $16.52 per unit (the &#8220;<font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-STYLE: italic">Offering</font>&#8221;).&#160;Pursuant to the Underwriting Agreement, the Selling Unitholder also granted the Underwriters an over-allotment option for a period of 30 days to purchase from the Selling Unitholder up to an additional 1,045,177 Common Units, at the same price per unit, to cover over-allotments, if any.&#160;&#160;On November&#160;&#160;30, 2011, the Underwriters notified the Selling Unitholder of their exercise in full of their option to purchase additional Common Units.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The Partnership expects the transaction to close on December 5, 2011, subject to customary closing conditions. The Partnership will not receive any of the proceeds from the sale of the Common Units by the Selling Unitholder in the Offering.&#160;&#160;Upon completion of the Offering, the Selling Unitholder will have disposed of 100% of its interest in the Partnership.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The Common Units to be sold pursuant to the Underwriting Agreement are registered under the Securities Act of 1933, as amended (the &#8220;<font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-STYLE: italic">Securities Act</font>&#8221;), pursuant to a shelf registration statement on Form S-3 (File No. 333-153579) filed on October 15, 2008, which was declared effective by the Securities and Exchange Commission on October 28, 2008.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The Underwriting Agreement contains customary representations, warranties and agreements of the Partnership, the General Partner and the Selling Unitholder and customary conditions to closing, indemnification obligations of the Partnership, the General Partner, the Selling Unitholder and the Underwriters, including for liabilities under the Securities Act, other obligations of the parties, and termination provisions. The foregoing description of the Underwriting Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Underwriting Agreement, which is filed as Exhibit 1.1 hereto and incorporated by reference herein.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Certain of the Underwriters and their respective affiliates have engaged, and may in the future engage in various financial advisory, investment banking and commercial banking services in the ordinary course of their business for which they have received, and expect to receive, customary fees and expense reimbursement from the Partnership. Affiliates of certain of the Underwriters are lenders under the Partnership&#8217;s bank credit facility.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Underwriting Agreement dated November 30, 2011, among BreitBurn Energy Partners L.P., BreitBurn GP, LLC, Quicksilver Resources Inc., Deutsche Bank Securities Inc., Merrill Lynch, Pierce, Fenner &amp; Smith Incorporated, Citigroup Global Markets Inc., Goldman, Sachs &amp; Co., UBS Securities LLC and Wells Fargo Securities, LLC, as representatives of the several underwriters set forth in Schedule I thereto.</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.</font></div>

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Unassociated Document
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549
FORM 8-K
CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED)
December 2, 2011 (November 30, 2011)
BREITBURN ENERGY PARTNERS L.P.
(Exact name of Registrant as specified in its charter)
Delaware
(State or other jurisdiction of
incorporation or organization)
001-33055
(Commission
File Number)
74-3169953
(I.R.S. Employer
Identification No.)
515 South Flower Street, Suite 4800
Los Angeles, CA 90071
(Address of principal executive office)
(213) 225-5900
(Registrant's telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
ITEM 1.01 Entry into a Material Definitive Agreement
On November 30, 2011, BreitBurn Energy Partners L.P. (the "
Partnership
"), a Delaware limited partnership, BreitBurn GP, LLC, a Delaware limited liability company and the general partner of the Partnership (the "
General Partner
"), and Quicksilver Resources Inc., a Delaware corporation (the "
Selling Unitholder
"), entered into an underwriting agreement (the "
Underwriting Agreement
") with Deutsche Bank Securities Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman, Sachs & Co., UBS Securities LLC and Wells Fargo Securities, LLC, as representatives of the several underwriters set forth in Schedule I to the Underwriting Agreement (the "
Underwriters
"), relating to the public offering by the Selling Unitholder of 6,967,844 common units representing limited partner interests in the Partnership ( the "
Common Units
") at a price to the public of $16.52 per unit (the "
Offering
"). Pursuant to the Underwriting Agreement, the Selling Unitholder also granted the Underwriters an over-allotment option for a period of 30 days to purchase from the Selling Unitholder up to an additional 1,045,177 Common Units, at the same price per unit, to cover over-allotments, if any.  On November  30, 2011, the Underwriters notified the Selling Unitholder of their exercise in full of their option to purchase additional Common Units.
The Partnership expects the transaction to close on December 5, 2011, subject to customary closing conditions. The Partnership will not receive any of the proceeds from the sale of the Common Units by the Selling Unitholder in the Offering.  Upon completion of the Offering, the Selling Unitholder will have disposed of 100% of its interest in the Partnership.
The Common Units to be sold pursuant to the Underwriting Agreement are registered under the Securities Act of 1933, as amended (the "
Securities Act
"), pursuant to a shelf registration statement on Form S-3 (File No. 333-153579) filed on October 15, 2008, which was declared effective by the Securities and Exchange Commission on October 28, 2008.
The Underwriting Agreement contains customary representations, warranties and agreements of the Partnership, the General Partner and the Selling Unitholder and customary conditions to closing, indemnification obligations of the Partnership, the General Partner, the Selling Unitholder and the Underwriters, including for liabilities under the Securities Act, other obligations of the parties, and termination provisions. The foregoing description of the Underwriting Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Underwriting Agreement, which is filed as Exhibit 1.1 hereto and incorporated by reference herein.
Certain of the Underwriters and their respective affiliates have engaged, and may in the future engage in various financial advisory, investment banking and commercial banking services in the ordinary course of their business for which they have received, and expect to receive, customary fees and expense reimbursement from the Partnership. Affiliates of certain of the Underwriters are lenders under the Partnership's bank credit facility.
ITEM 9.01 Financial Statements and Exhibits.
Exhibit No.
Document
1.1
Underwriting Agreement dated November 30, 2011, among BreitBurn Energy Partners L.P., BreitBurn GP, LLC, Quicksilver Resources Inc., Deutsche Bank Securities Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman, Sachs & Co., UBS Securities LLC and Wells Fargo Securities, LLC, as representatives of the several underwriters set forth in Schedule I thereto.
8.1
Opinion of Vinson & Elkins L.L.P. regarding tax matters.
23.1
Consent of Vinson & Elkins L.L.P. (included in its opinion filed as Exhibit 8.1)
2
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
BREITBURN ENERGY PARTNERS L.P.
By:
BREITBURN GP, LLC,
its general partner
Dated:  December 2, 2011
By:
/s/ Gregory C. Brown
Gregory C. Brown
General Counsel and Executive Vice
President
3
EXHIBIT INDEX
Exhibit No.
Document
1.1
Underwriting Agreement dated November 30, 2011, among BreitBurn Energy Partners L.P., BreitBurn GP, LLC, Quicksilver Resources Inc., Deutsche Bank Securities Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman, Sachs & Co., UBS Securities LLC and Wells Fargo Securities, LLC, as representatives of the several underwriters set forth in Schedule I thereto.
8.1
Opinion of Vinson & Elkins L.L.P. regarding tax matters.
23.1
Consent of Vinson & Elkins L.L.P. (included in its opinion filed as Exhibit 8.1)
4