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 September 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, Chairman of the
       Board and Director
Date:  November 11, 2002