1 [OUTTRIM SZABO ASSOCIATES LTD. LETTERHEAD] CONSENT OF INDEPENDENT PETROLEUM ENGINEERS We hereby consent to the incorporation by reference in Pennzoil Company's previously filed Registration Statements on Form S-8 Nos. 2-67268, 2-76935, 2-95869, 33-24261, 33-40192, 33-51473, 33-53783 and 33-63384 and on Form S-3 Nos. 33-50029 and 33-50953 of the data extracted from our reports and the references to our firm appearing in "Item 1. Business and Item 2. Properties" under the captions "Oil and Gas - Oil and Gas Reserves" and in "Supplemental Financial and Statistical Information - Unaudited - Oil and Gas Information" in the Annual Report on Form 10-K for the year ended December 31, 1996 of Pennzoil Company. OUTTRIM SZABO ASSOCIATES LTD. /s/ COLIN P. OUTTRIM -------------------------- Colin P. Outtrim, P. Eng. President Calgary, Alberta, Canada March 3, 1997