Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  LEHMAN BROTHERS HOLDINGS INC
2. Date of Event Requiring Statement (Month/Day/Year)
03/03/2005
3. Issuer Name and Ticker or Trading Symbol
PACIFIC ENERGY PARTNERS LP [PPX]
(Last)
(First)
(Middle)
745 SEVENTH AVENUE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
See Remark (1) below
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10019
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
LEHMAN BROTHERS HOLDINGS INC
745 SEVENTH AVENUE
NEW YORK, NY 10019
      See Remark (1) below

Signatures

Barrett S. DiPaolo, Vice President and Authorized Signatory 03/07/2005
**Signature of Reporting Person Date

Explanation of Responses:

No securities are beneficially owned

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
 
Remarks:
Remark (1) - This form is a joint filing with the following affiliates of the Reporting Person: Lehman Brothers Inc., a Delaware corporation, LB I Group Inc., a Delaware corporation, LB Pacific GP, LLC, a Delaware limited liability company and LB Pacific, LP, a Delaware limited partnership.

Lehman Brothers Holdings Inc. owns 100% of Lehman Brothers Inc. which owns 100% of LB I Group Inc., which owns 100% of LB Pacific GP, LLC and LB Pacific, LP.   LB Pacific, LP owns 100% of Pacific Energy GP, LLC, which owns 100% of the subordinated units representing limited partner interests in the Issuer that are being separately reported on a Form 4. 

Lehman Brothers Holdings Inc., Lehman Brothers Inc., LB I Group Inc., LB Pacific GP, LLC and LB Pacific, LP may be deemed to be directors or officers of the Issuer by virtue of LB Pacific, LP's ownership of 100% of the the equity interests in the general partner of the Issuer acquired on March 3, 2005.  However, such status is not acknowledged.

This report is being filed by Lehman Brothers Holdings Inc.  Other Joint Filer(s):  Lehman Brothers Inc., 745 Seventh Avenue, New York, New York  10019; LB I Group Inc., 745 Seventh Avenue, New York, New York 10019; LB Pacific GP, LLC, 399 Park Avenue, Ninth Floor, New York, New York 10022; and LB Pacific, LP, 399 Park Avenue, Ninth Floor, New York, New York 10022.  Barrett S. DiPaolo is signing on behalf of all Joint Filers.

The contemporaneous indirect acquisition of securities of the Issuer by virtue of the acquisition of the equity interests of the general partner is being separately reported on a Form 4.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.