Exhibit 24


                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, his true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for him and in his name, place and stead, in his capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                             (William E. Bradford)
                                             --------------------------------
                                             William E. Bradford, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director or
Officer or both, as the case may be, of the Company, does hereby appoint Gregory
F. Pilcher, John M. Rauh and Robert M. Wohleber, and each of them severally, his
true and lawful attorneys or attorney-in-fact and agents or agent with power to
act with or without the other and with full power of substitution and
resubstitution, to execute for him and in his name, place and stead, in his
capacity as a Director or Officer or both, as the case may be, of the Company,
the Form 10-K and any and all amendments thereto, as said attorneys or each of
them shall deem necessary or appropriate, together with all instruments
necessary or incidental in connection therewith, and to file the same or cause
the same to be filed with the Commission. Each of said attorneys shall have full
power and authority to do and perform in the name and on behalf of the
undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                          (Luke R. Corbett)
                                          --------------------------------
                                          Luke R. Corbett
                                          Chief Executive Officer and Director





                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in her capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, her true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for her and in her name, place and stead, in her capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                              (Sylvia A. Earle)
                                              -------------------------
                                              Sylvia A. Earle, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, his true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for him and in his name, place and stead, in his capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                            (David C. Genever-Watling)
                                            ----------------------------------
                                            David C. Genever-Watling, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, his true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for him and in his name, place and stead, in his capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                                (Martin C. Jischke)
                                                ---------------------------
                                                Martin C. Jischke, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, his true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for him and in his name, place and stead, in his capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                               (William C. Morris)
                                               ---------------------------
                                               William C. Morris, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY



         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, his true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for him and in his name, place and stead, in his capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                                (John J. Murphy)
                                                ------------------------
                                                John J. Murphy, Director








                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, his true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for him and in his name, place and stead, in his capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                                 (Leroy C. Richie)
                                                 -------------------------
                                                 Leroy C. Richie, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, his true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for him and in his name, place and stead, in his capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                                (Matthew R. Simmons)
                                                ----------------------------
                                                Matthew R. Simmons, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, his true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for him and in his name, place and stead, in his capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                                (Nicholas J. Sutton)
                                                ----------------------------
                                                Nicholas J. Sutton, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in her capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber, and each of them severally, her true and lawful
attorneys or attorney-in-fact and agents or agent with power to act with or
without the other and with full power of substitution and resubstitution, to
execute for her and in her name, place and stead, in her capacity as a Director
of the Company, the Form 10-K and any and all amendments thereto, as said
attorneys or each of them shall deem necessary or appropriate, together with all
instruments necessary or incidental in connection therewith, and to file the
same or cause the same to be filed with the Commission. Each of said attorneys
shall have full power and authority to do and perform in the name and on behalf
of the undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                                  (Farah M. Walters)
                                                  --------------------------
                                                  Farah M. Walters, Director







                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS, Kerr-McGee Corporation, a Delaware corporation ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the Securities Exchange Act of 1934, as amended ("ACT"), an Annual Report on
Form 10-K for the year ended December 31, 2001 ("Form 10-K") with such amendment
or amendments thereto as may be necessary or appropriate from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW, THEREFORE, the undersigned in his capacity as a Director of the
Company, does hereby appoint Luke R. Corbett, Gregory F. Pilcher, John M. Rauh
and Robert M. Wohleber and each of them severally, his true and lawful attorneys
or attorney-in-fact and agents or agent with power to act with or without the
other and with full power of substitution and resubstitution, to execute for him
and in his name, place and stead, in his capacity as a Director of the Company,
the Form 10-K and any and all amendments thereto, as said attorneys or each of
them shall deem necessary or appropriate, together with all instruments
necessary or incidental in connection therewith, and to file the same or cause
the same to be filed with the Commission. Each of said attorneys shall have full
power and authority to do and perform in the name and on behalf of the
undersigned, in any and all capacities, each act whatsoever necessary or
desirable to be done in the premises, as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS WHEREOF, the undersigned has executed this instrument
effective March 12, 2002.



                                               (Ian L. White-Thomson)
                                               ------------------------------
                                               Ian L. White-Thomson, Director