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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 1, 2006


                          PACIFIC ENERGY PARTNERS, L.P.
             (Exact name of registrant as specified in its charter)

          Delaware                        1-31345               68-0490580
(State or other jurisdiction of         (Commission            (IRS Employer
 incorporation or organization)         File Number)         Identification No.)



                               5900 Cherry Avenue
                              Long Beach, CA 90805
                     (Address of principal executive office)


                                 (562) 728-2800
              (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:

[ ] Written communications pursuant to Rule 425 under the Securities
    Act  (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange
    Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
    Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
    Exchange Act (17 CFR 240.13e-4(c))


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ITEM 2.02   RESULTS OF OPERATIONS AND FINANCIAL CONDITION

     On February 1, 2006, Pacific Energy Partners, L.P. (the "Partnership")
issued a press release announcing its fourth quarter and full year 2005
financial results. The press release is being furnished with this Current Report
on Form 8-K as Exhibit 99.1 and is hereby incorporated herein by reference.

     The information provided in this Item 2.02 (including Exhibit 99.1) shall
not be deemed to be "filed" for the purposes of Section 18 of the Securities
Exchange Act of 1934, as amended, nor shall it be incorporated by reference in
any filing made by the Registrant pursuant to the Securities Act of 1933, as
amended, other than to the extent that such filing incorporates by reference any
or all of such information by express reference thereto.

ITEM 7.01   REGULATION FD DISCLOSURE

     EBITDA is used as a supplemental performance measure by management, and the
Partnership believes, by external users of its financial statements, such as
investors, commercial banks, research analysts and rating agencies, to assess:
(i) the financial performance of its assets without regard to financing methods,
capital structures or historical cost basis; (ii) the ability of its assets to
generate cash sufficient to pay interest cost and support the Partnership's
indebtedness; (iii) the Partnership's operating performance and return on
capital as compared to those of other companies in the midstream energy sector,
without regard to financing and capital structure; and (iv) the viability of
projects and the overall rates of return on alternative investment
opportunities.

     The Partnership defines EBITDA as net income plus interest expense, income
tax expense (recovery) and depreciation and amortization expense. Although the
Partnership is not a taxable entity, its Canadian subsidiaries are taxable
entities. As a result of the acquisition of the Rangeland system, Canadian
income tax expense is added to net income in the calculation of EBITDA beginning
with the second quarter of 2004.

     EBITDA should not be considered an alternative to net income, income before
taxes, cash flows from operations, or any other measure of financial performance
presented in accordance with GAAP. EBITDA is not intended to represent cash
flow. The Partnership's EBITDA may not be comparable to EBITDA or similarly
titled measures of other companies.

ITEM 9.01   FINANCIAL STATEMENTS AND EXHIBITS

            99.1   Pacific Energy Partners, L.P. Press Release
                   dated February 1, 2006.

     Calculations of distributable cash flow for the three months and year ended
December 31, 2005 and December 31, 2004, are presented in the press release
included as an exhibit to this Form 8-K. Distributable Cash Flow ("DCF") is a
significant liquidity and performance measure used by its management to compare
cash flows generated by the Partnership to the cash distributions we makes to
its partners and we believe that investors benefit from having access to the
same financial measures being utilized by management. Using this financial
measure, management can quickly compute the coverage ratio of these cash flows
to cash distributions. This is an important financial measure for limited
partners of the Partnership since it is an indicator of its success in providing
a cash return on their investment. Specifically, this financial measure tells
investors whether or not the Partnership is generating cash flows at a level
that can sustain or support an increase in its quarterly cash distributions paid
to partners. Lastly, DCF is the quantitative standard used throughout the
investment community with respect to publicly traded partnerships, because the
value of a partnership unit is in part measured by its yield (which in turn is
based on the amount of cash distributions a partnership pays to its
unitholders). However, DCF is a non-GAAP financial measure and should not be
considered as an alternative to net income, cash flow from operations, or any
other measure of financial performance presented in accordance with accounting
principles generally accepted in the United States. In addition, the
Partnership's DCF may not be comparable to DCF or similarly titled measures of
other companies. The GAAP measure most directly comparable to DCF is net cash
provided by operating activities.




     Several adjustments to DCF are required to reconcile to net cash provided
by operating activities. These adjustments include: (i) adding back or
subtracting net changes in operating assets and liabilities which are not
included in DCF but are considered in net cash provided by operating activities;
(ii) subtracting the Partnership's share of Frontier Pipeline Company's
("Frontier") net income which historically has been approximately equivalent to
its distributions from Frontier and adding the Partnership's share of Frontier's
distributions to it; (iii) adding the balance of the employee compensation under
the long-term incentive plan since GAAP requires this common unit issuance to be
presented on a gross basis; (iv) deducting transaction costs reimbursed by the
Partnership's general partner which are required by GAAP to reduce net cash
provided by operating activities; and (v) adding back sustaining capital
expenditures which are not deducted in arriving at net cash provided by
operating activities.

     Sustaining capital expenditures are expenditures to replace partially or
fully depreciated assets in order to maintain the existing operating capacity or
efficiency of our assets and extend their useful lives.

     Calculations of recurring net income for the fourth quarter and the full
year ended December 31, 2005, are presented in the press release included as an
exhibit to this Form 8-K. Recurring net income is a non-GAAP financial measure.
This measure is used to more precisely compare year over year net income by
eliminating non-recurring charges. To calculate recurring net income for the
year ended December 31, 2005, the amounts relating to the expense associated
with the Line 63 oil release, the compensation expense due to the accelerated
vesting of units pursuant to the long-term incentive plan, the transaction costs
associated with the sale of our general partner, which were reimbursed by LB
Pacific, LP and The Anschutz Corporation, and the write-down of an idle Pacific
Terminals property, were added back to net income. To calculate recurring net
income for the year ended December 31, 2004, the amounts relating to the
write-off of deferred financing cost and the interest rate swap termination
expense, and the write-down of an idle Pacific Terminals property were added
back to net income.





                                   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.

                                    PACIFIC ENERGY PARTNERS, L.P.

                                         By:  PACIFIC ENERGY GP, LP,
                                              its general partner

                                         By:  PACIFIC ENERGY MANAGEMENT LLC,
                                              by its general partner

                                         By:  /S/ GERALD A. TYWONIUK
                                              ----------------------
                                              Gerald A. Tywoniuk
                                              Senior Vice President
                                              and Chief Financial Officer



Dated: February 1, 2006





                                  EXHIBIT INDEX

     Exhibit 99.1   --    Pacific Energy Partners, L.P. Press Release
                          dated February 1, 2006

                          *This release is being furnished and not filed