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<P STYLE="font: bold 18pt Times New Roman, Times, Serif; margin: 0; text-align: center">UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</P>

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

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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt">FORM 8-K</FONT></P>

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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">CURRENT REPORT PURSUANT TO SECTION 13 OR
15(d)</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">OF THE SECURITIES EXCHANGE ACT OF 1934</P>

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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">DATE OF REPORT (DATE OF EARLIEST EVENT
REPORTED)<BR>
February 28, 2012</P>

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<P STYLE="font: bold 18pt Times New Roman, Times, Serif; margin: 0; text-align: center">BREITBURN ENERGY PARTNERS L.P.</P>

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

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><B>Delaware<BR>
</B>(State or other jurisdiction of<BR>
incorporation or organization)</TD>
    <TD STYLE="width: 33%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><B>001-33055<BR>
</B>(Commission <BR>
File Number)</TD>
    <TD STYLE="width: 33%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><B>74-3169953<BR>
</B>(I.R.S. Employer<BR>
Identification No.)</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>515 South Flower Street, Suite 4800<BR>
Los Angeles, CA 90071</B></P>

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(213) 225-5900<BR>
</B>(Registrant&rsquo;s telephone number, including area code)</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings">o</FONT> Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings">o</FONT> Soliciting material
pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings">o</FONT> Pre-commencement communications
pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings">o</FONT> Pre-commencement communications
pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Item
2.02</B></FONT><B>&nbsp; Results of Operation and Financial Condition.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">On February 28, 2012, BreitBurn
Energy Partners L.P. (the &ldquo;Partnership&rdquo;) issued a press release announcing financial results for the fourth quarter
2011. A copy of the press release is attached to this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein solely
for purposes of this Item 2.02 disclosure.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The information in this
Current Report on Form 8-K provided under Item 2.02, including Exhibit 99.1 attached hereto, shall not be deemed to be &ldquo;filed&rdquo;
for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), or otherwise
subject to the liabilities of that Section, and shall not be incorporated by reference into any filing under the Securities Act
of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 9.01 Financial Statements, Pro Forma Financial Information
and Exhibits.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in"><B>(d) Exhibits. </B></P>

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<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: black 1pt solid; font-weight: bold">Exhibit&nbsp;No.</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-weight: bold">Exhibit Description</TD></TR>
<TR>
    <TD NOWRAP STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-left: 4.15pt">&nbsp;</TD></TR>
<TR>
    <TD NOWRAP STYLE="vertical-align: top; text-align: center">99.1</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-left: 4.15pt">BreitBurn Energy Partners L.P. fourth quarter 2011 earnings release dated February 28, 2012.</TD></TR>
</TABLE>
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<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-style: normal">&nbsp;</FONT></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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 thereunto duly authorized.</P>

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<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">BREITBURN ENERGY PARTNERS L.P.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 25%">&nbsp;</TD>
    <TD STYLE="width: 30%">&nbsp;</TD>
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 41%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>By:</TD>
    <TD>BREITBURN GP, LLC,</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>its general partner</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Dated: February 28, 2012</TD>
    <TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD>By:</TD>
    <TD STYLE="border-bottom: windowtext 1pt solid">/s/ James G. Jackson</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD>James G. Jackson</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD>Chief Financial Officer</TD></TR>
</TABLE>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 3in"></P>

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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)
February 28, 2012
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
2.02
Results of Operation and Financial Condition.
On February 28, 2012, BreitBurn
Energy Partners L.P. (the "Partnership") issued a press release announcing financial results for the fourth quarter
2011. A copy of the press release is attached to this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein solely
for purposes of this Item 2.02 disclosure.
The information in this
Current Report on Form 8-K provided under Item 2.02, including Exhibit 99.1 attached hereto, shall not be deemed to be "filed"
for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise
subject to the liabilities of that Section, and shall not be incorporated by reference into any filing under the Securities Act
of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.
Item 9.01 Financial Statements, Pro Forma Financial Information
and Exhibits.
(d) Exhibits.
Exhibit No.
Exhibit Description
99.1
BreitBurn Energy Partners L.P. fourth quarter 2011 earnings release dated February 28, 2012.
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: February 28, 2012
By:
/s/ James G. Jackson
James G. Jackson
Chief Financial Officer