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 Annual Report of the Weatherford International, Inc.
401(k) Savings Plan (the "Plan") on Form 11-K for the year ended December 31,
2002, as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), I, Jon R. Nicholson, a member of the Administrative Committee of
the Plan, who performs the functions equivalent to a chief executive officer of
the Plan, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)      such Report fully complies with the requirements of Section 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 results of operations of
         the Plan.

   /s/ Jon R. Nicholson
- ----------------------------------------------------------
Name:  Jon R. Nicholson
Title: Member, Administrative Committee
       Weatherford International, Inc. 401(k) Savings Plan
Date:  June 27, 2003

A signed original of this written statement required by Section 906 has been
provided to the Savings Plan and will be retained by the Savings Plan and
furnished to the Securities and Exchange Commission or its staff upon request.

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