Exhibit 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

   We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 of our reports dated March 22, 2001, except Note 19 which
is as of August 27, 2001, relating to the consolidated financial statements and
the combined financial statements, which appear in the Current Report on Form
8-K of Plains All American Pipeline, L.P. dated August 27, 2001. We also
consent to the incorporation by reference of our report dated August 27, 2001
relating to the balance sheet of Plains AAP, L.P., which appears in Plains All
American Pipeline L.P.'s Current Report on Form 8-K dated August 27, 2001. In
addition, we hereby consent to the incorporation by reference in the
Registration Statement on Form S-8 (File Nos 333-91141 and 333-54118) of Plains
All American Pipeline, L.P. of our report dated March 22, 2001, except Note 19
which is as of August 27, 2001, relating to the consolidated financial
statements and the combined financial statements, which appears in the Current
Report on Form 8-K of Plains All American Pipeline, L.P. dated August 27, 2001.
We also consent to the references to us under the headings "Experts" in such
Registration Statement.

Houston, Texas
August 27, 2001