Exhibit 99



Certification of Chief Executive Officer



Pursuant to 18 U.S.C. § 1350, as
created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Varco International, Inc. (the Company) hereby certifies, to such officers knowledge, that:



(i)    the accompanying
Annual Report on Form 10-K/A of the Company for the annual period ended December 31, 2002 (the Report) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934,
as amended; and



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





|Dated:  May 21, 2003 |  | /S/  JOHN F.
LAULETTA                
|-------------------- |  | -------------------------------------
|                     |  |                                      
|                     |  | John F. Lauletta                     
|                     |  | Chief Executive Officer and President



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



The foregoing certification is being furnished solely to
accompany the Report pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made
before or after the date hereof, regardless of any general incorporation language in such filing.







Certification of Chief Financial Officer



Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Varco International, Inc. (the Company) hereby certifies, to such officers knowledge,
that:



(i)    the accompanying Annual Report on Form 10-K/A of the Company for the annual period ended December 31, 2002 (the Report) fully complies with the requirements of Section 13(a) or Section
15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and



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





|Dated:  May 21, 2003 |  | /S/  CLAY C.
WILLIAMS                     
|-------------------- |  | ------------------------------------------
|                     |  |                                           
|                     |  | Clay C. Williams                          
|                     |  | Vice President and Chief Financial Officer



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



The foregoing certification is being furnished solely to
accompany the Report pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated by reference into any filing of the Company, whether made
before or after the date hereof, regardless of any general incorporation language is such filing.