Exhibit 24.1
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each person whose
signature appears below constitutes and appoints J. Larry
Nichols, H. Allen Turner and Marian J. Moon, and each or any one
of them, his true and lawful attorney-in-fact and agent, each
acting alone, with full powers of substitution and
resubstitution, for him and in his name, place, and stead, in any
and all capacities, to sign any or all amendments (including post-
effective amendments) and supplements to a Registration Statement
on Form S-8, and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and
Exchange Commission, granting unto said attorney-in-fact and
agents, each acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be
done in and about the premises, as fully to all intents and
purposes as he might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents, each
acting alone or his substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
Dated this 10th day of October, 2000.
Signature Title
--------- -----
J. LARRY NICHOLS Chairman of the Board, President
J. Larry Nichols and Chief Executive Officer
Vice Chairman of the Board and
James L. Payne Director
WILLIAM T. VAUGHN Senior Vice President - Finance
William T. Vaughn
DANNY J. HEATLY Vice President - Accounting
Danny J. Heatly
THOMAS F. FERGUSON Director
Thomas F. Ferguson
DAVID M. GAVRIN Director
David M. Gavrin
MICHAEL E. GELLERT Director
Michael E. Gellert
WILLIAM E. GREEHEY Director
William E. Greehey
JOHN A. HILL Director
John A. Hill
WILLIAM J. JOHNSON Director
William J. Johnson
MICHAEL M. KANOVSKY Director
Michael M. Kanovsky
Director
Melvyn N. Klein
ROBERT MOSBACHER, JR. Director
Robert Mosbacher, Jr.
Director
Robert B. Weaver
