SECURITIES AND EXCHANGE COMMISSION


                             Washington, D.C. 20549



                                    FORM 8-A



                For Registration of Certain Classes of Securities
                     Pursuant to Section 12(b) or (g) of the
                         Securities Exchange Act of 1934



                       PLAINS ALL AMERICAN PIPELINE, L.P.
             (Exact name of registrant as specified in its charter)



                                                                        



                Delaware                                                       76-0582150
(State of incorporation or organization)                          (I.R.S. Employer Identification No.)



         500 Dallas, Suite 700
         Houston, Texas                                                           77002
(address of principal executive offices)                                       (Zip Code)






SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:

TITLE OF EACH CLASS                          NAME OF EACH EXCHANGE ON WHICH
TO BE SO REGISTERED:                         EACH CLASS IS TO BE REGISTERED:

Common Units representing
limited partner interests                    New York Stock Exchange

SECURITIES TO BE REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT:

                                   None



                                       -1-

ITEM 1. DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED A description of the common units representing limited partner interests in Plains All American Pipeline, L.P. (the "Registrant") to be registered hereunder is set forth under the captions "Prospectus Summary," "Cash Distribution Policy," "Description of the Common Units," "The Partnership Agreement" and "Tax Considerations" in the prospectus included in the Registrant's Registration Statement on Form S-1 (No. 333-64107), as filed with the Securities and Exchange Commission on September 23, 1998 under the Securities Act of 1933, as amended, and will be set forth in any prospectus filed in accordance with Rule 424(b) thereunder, which description is incorporated herein by reference. ITEM 2. EXHIBITS The following exhibits to this Registration Statement on Form 8-A are either filed herewith or are incorporated by reference from the documents specified, which have been filed with the Securities and Exchange Commission. 1. Registrant's Registration Statement on Form S-1 (No. 333-64107), as filed with the Securities and Exchange Commission on September 23, 1998 (the "Registration Statement"). 2. Certificate of Limited Partnership of the Registrant. 3. Amended and Restated Agreement of Limited Partnership of the Registrant, which is included as Appendix A to the prospectus included in the Registration Statement on Form S-1. 4. Form of Certificate Evidencing Common Units, which is included as Exhibit A to Appendix A to the prospectus included in the Registration Statement on Form S-1. -2-

SIGNATURE Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized. Dated: October 23, 1998 PLAINS ALL AMERICAN PIPELINE, L.P. BY: PLAINS ALL AMERICAN INC. ITS GENERAL PARTNER By: /s/ Michael R. Patterson ____________________________ Name: Michael R. Patterson Title: Senior Vice President -3-

    

                                                                   Exhibit 2

                       CERTIFICATE OF LIMITED PARTNERSHIP

                                       OF

                       PLAINS ALL AMERICAN PIPELINE, L.P.

         The  undersigned  represents  that it has formed a limited  partnership
pursuant to the Delaware Revised Uniform Limited Partnership Act (the "Act") and
that the  undersigned  has executed  this  Certificate  in  compliance  with the
requirements of the Act. The undersigned further states:

          1.        The name of the limited  partnership  is Plains All American
                    Pipeline, L.P. (the "Partnership").

          2.        The address of the registered  office of the  Partnership in
                    the  State  of  Delaware  and the name  and  address  of the
                    registered   agent  of  the   Partnership   required  to  be
                    maintained by Section  17-104 of the Act at such address are
                    as follows:




                    Name and Address
                    of Registered Agent                               Address of Registered Office
                    -------------------                               ----------------------------
                                                                

                    Corporation Service Company                       1013 Centre Road
                    1013 Centre Road                                  Wilmington, Delaware 19805-1297
                    Wilmington, Delaware 19805-1297


          3.        The name and business  address of the General  Partner is as
                    follows:




                    General Partner                                   Address
                    ---------------                                   -------
                                                                   

                    Plains All American Inc.                          500 Dallas, Suite 700
                                                                      Houston, Texas 77002


         WHEREFORE, the undersigned has executed this Certificate as of the 16th
day of September, 1998.

                                                PLAINS ALL AMERICAN, INC.,
                                                   as General Partner

                                                By:    /s/ Michael R. Patterson
                                                       -----------------------
                                                Name:  Michael R. Patterson
                                                       -----------------------
                                                Title: Vice President
                                                       -----------------------