EXHIBIT 99.1


      CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
                       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 on Form 10-Q of Nabors Industries Ltd.
(the "Company") for the quarterly period ended September 30, 2002 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), Eugene
M. Isenberg, as Chief Executive Officer of the Company, and Bruce P. Koch, as
Vice President - Finance (the chief financial officer) of the Company, each
hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his
knowledge:

         (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 results of
                  operations of the Company.


/s/ Eugene M. Isenberg
- ----------------------------------
Name:   Eugene M. Isenberg
Title:  Chairman & Chief Executive
        Officer
Date:   November 14, 2002



/s/ Bruce P. Koch
- ----------------------------------
Name:   Bruce P. Koch
Title:  Vice President-Finance
        (Chief Financial Officer)
Date:   November 14, 2002


This certification accompanies the Report pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the
Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended.