EXHIBIT 99.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                 SECTION 906 OF THE SARBANES--OXLEY ACT OF 2002


         In connection with the Quarterly Report of Weatherford International,
Inc. (the "Company") on Form 10-Q for the period ended June 30, 2002 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, Bernard J. Duroc-Danner, Chief Executive Officer of the Company, certify,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes--Oxley Act of 2002, that:

         (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

         (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and result of operations of the
Company.


/s/ Bernard J. Duroc-Danner
- -------------------------------------
Name:   Bernard J. Duroc-Danner
Title:  Chief Executive Officer
Date:   August 14, 2002