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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Form 8-K</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CURRENT REPORT</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Pursuant to Section 13 or 15(d) of</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>The Securities Exchange Act of 1934</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>April 23, 2012</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Date of Report (Date of earliest event reported)</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Zion Oil &amp; Gas, Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact name of registrant as specified in
its charter)</P>

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<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR>
    <TD STYLE="width: 30%; border-bottom: black 1pt solid; font-weight: bold; text-align: center">Delaware</TD>
    <TD STYLE="width: 5%; padding-bottom: 1.35pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 30%; border-bottom: black 1pt solid; font-weight: bold; text-align: center">&nbsp;001-33228</TD>
    <TD STYLE="width: 5%; padding-bottom: 1.35pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 30%; border-bottom: black 1pt solid; font-weight: bold; text-align: center">&nbsp; 20-0065053</TD></TR>
<TR>
    <TD STYLE="text-align: center">&nbsp;(State or other jurisdiction of incorporation)</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center">&nbsp; (Commission File Number)&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;(IRS Employer<BR> Identification No.)</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>6510 Abrams Road, Suite 300, Dallas,
TX 75231</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Address of Principal Executive Offices)</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>214-221-4610</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Registrant&rsquo;s telephone number, including
area code</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Former name or former address, if changed
since last report.)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">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:</P>

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    <TD STYLE="width: 10px; text-align: justify">&nbsp;</TD>
    <TD STYLE="width: 24px; font-family: Wingdings">o</TD>
    <TD STYLE="text-align: justify">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</TD></TR>
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    <TD STYLE="width: 10px; text-align: justify">&nbsp;</TD>
    <TD STYLE="width: 24px; font-family: Wingdings">o</TD>
    <TD STYLE="text-align: justify">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD></TR>
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    <TD STYLE="width: 24px; font-family: Wingdings">o</TD>
    <TD STYLE="text-align: justify">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</TD></TR>
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    <TD STYLE="width: 24px; font-family: Wingdings">o</TD>
    <TD STYLE="text-align: justify">Pre-commencement communications pursuant to 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 1.01: Entry into a Material Definitive Agreement</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On April 23, 2012, Israel's
Petroleum Commissioner (the &ldquo;Commissioner&rdquo;) notified Zion Oil &amp; Gas, Inc. (&ldquo;Zion&rdquo; or the &ldquo;Company&rdquo;)
of certain amendments to the Company&rsquo;s Petroleum Exploration License No. 393/&ldquo;Jordan Valley&rdquo; (the &ldquo;Jordan
Valley License&rdquo;). At the request of the Company, the Commissioner agreed that the Company is to undertake the new seismic
survey and submit to the Commissioner a summary report by May 12, 2012 and data process the new seismic survey and submit to the
Commissioner a geophysical processing report by June 12, 2012. Under the original terms of the Jordan Valley License, the Company
was required to commence the seismic survey of the license area by January 13, 2012 and process the new seismic survey data and
submit to the Commissioner a summary report by April 13, 2012. The specified exploratory activities were not completed within the
originally required time frames because of the temporary unavailability of appropriate equipment to conduct the seismic survey.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P> <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Attached, as Exhibit
10.1, is an English translation from the original Hebrew of the license amendment.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>ITEM 9.01: FINANCIAL STATEMENTS AND EXHIBITS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Exhibit 10.1 &ndash; Amendment to Petroleum
Exploration License No. 393/ &ldquo;Jordan-Valley License&rdquo; (translation)</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURES</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">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 hereto duly authorized.</P>

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    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 35%">&nbsp;</TD>
    <TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 35%">&nbsp;</TD>
    <TD STYLE="width: 12%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">Date: April 26, 2012</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">Zion Oil and Gas, Inc.</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-bottom: 1.35pt">By:</TD>
    <TD STYLE="border-bottom: black 1pt solid">/s/ Richard J. Rinberg</TD>
    <TD STYLE="padding-bottom: 1.35pt">&nbsp;</TD>
    <TD STYLE="padding-bottom: 1.35pt">&nbsp;</TD>
    <TD STYLE="padding-bottom: 1.35pt">&nbsp;</TD>
    <TD STYLE="padding-bottom: 1.35pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Richard J. Rinberg</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Chief Executive Officer</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>



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{"company-data": {"conformed-name": "ZION OIL & GAS INC", "cik": "0001131312", "assigned-sic": "1382", "irs-number": "200065053", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-33228", "film-number": "12784263"}, "business-address": {"street1": "6510 ABRAMS RD", "street2": "SUITE 300", "city": "DALLAS", "state": "TX", "zip": "75231", "phone": "2142214610"}, "mail-address": {"street1": "6510 ABRAMS RD", "street2": "SUITE 300", "city": "DALLAS", "state": "TX", "zip": "75231"}}
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
April 23, 2012
Date of Report (Date of earliest event reported)
Zion Oil & Gas, Inc.
(Exact name of registrant as specified in
its charter)
Delaware
001-33228
20-0065053
(State or other jurisdiction of incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
6510 Abrams Road, Suite 300, Dallas,
TX 75231
(Address of Principal Executive Offices)
214-221-4610
Registrant's telephone number, including
area code
(Former name or former address, if changed
since last report.)
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 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 1.01: Entry into a Material Definitive Agreement
On April 23, 2012, Israel's
Petroleum Commissioner (the "Commissioner") notified Zion Oil & Gas, Inc. ("Zion" or the "Company")
of certain amendments to the Company's Petroleum Exploration License No. 393/"Jordan Valley" (the "Jordan
Valley License"). At the request of the Company, the Commissioner agreed that the Company is to undertake the new seismic
survey and submit to the Commissioner a summary report by May 12, 2012 and data process the new seismic survey and submit to the
Commissioner a geophysical processing report by June 12, 2012. Under the original terms of the Jordan Valley License, the Company
was required to commence the seismic survey of the license area by January 13, 2012 and process the new seismic survey data and
submit to the Commissioner a summary report by April 13, 2012. The specified exploratory activities were not completed within the
originally required time frames because of the temporary unavailability of appropriate equipment to conduct the seismic survey.
Attached, as Exhibit
10.1, is an English translation from the original Hebrew of the license amendment.
ITEM 9.01: FINANCIAL STATEMENTS AND EXHIBITS
Exhibit 10.1 – Amendment to Petroleum
Exploration License No. 393/ "Jordan-Valley License" (translation)
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 hereto duly authorized.
Date: April 26, 2012
Zion Oil and Gas, Inc.
By:
/s/ Richard J. Rinberg
Richard J. Rinberg
Chief Executive Officer