Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ DAVID J. O'REILLY POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ SAMUEL H. ARMACOST POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ ROBERT J. EATON POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ SAM GINN POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ CARLA A. HILLS POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ FRANKLYN G. JENIFER POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ J. BENNETT JOHNSTON POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ SAM NUNN POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ CHARLES R. SHOEMATE POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ FRANK A. SHRONTZ POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ THOMAS A. VANDERSLICE POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ CARL WARE POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ JOHN A. YOUNG POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ PETER J. ROBERTSON POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 25th day of June, 2002. /s/ GLENN F. TILTON POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 21st day of June, 2002. /s/ JOHN S. WATSON POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS: WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration Statement on Form S-3 (and amendments thereto, including post-effective amendments). WHEREAS, the undersigned is an officer or director, or both, of the Corporation. N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead, in any and all capacities, to sign the aforementioned Registration Statement (and any and all amendments thereto, including post-effective amendments) and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this 20th day of June, 2002. /s/ STEPHEN J. CROWE