Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 8th day of June, 2002. /s/ Robert L. Crandall ---------------------- Robert L. Crandall POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 10th day of June, 2002. /s/ Kenneth T. Derr ------------------- Kenneth T. Derr POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 4th day of June, 2002. /s/ Charles J. DiBona --------------------- Charles J. DiBona POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 4th day of June, 2002. /s/ Lawrence S. Eagleburger --------------------------- Lawrence S. Eagleburger POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 4th day of June, 2002. /s/ W. R. Howell ----------------- W. R. Howell POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 11th day of June, 2002. /s/ Ray L. Hunt --------------- Ray L. Hunt POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 17th day of June, 2002. /s/ Aylwin B. Lewis ------------------- Aylwin B. Lewis POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 7th day of June, 2002. /s/ J. Landis Martin -------------------- J. Landis Martin POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 4th day of June, 2002. /s/ Jay A. Precourt ------------------- Jay A. Precourt POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 4th day of June, 2002. /s/ Debra L. Reed ----------------- Debra L. Reed POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, a Director of Halliburton Company, do hereby constitute and appoint David J. Lesar, Lester L. Coleman, and Susan S. Keith, or any of them acting alone, my true and lawful attorneys or attorney, to do any and all acts and things and execute any and all instruments which said attorneys or attorney may deem necessary or advisable to enable Halliburton Company to comply with the Securities Act of 1933, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission in respect thereof, in connection with the filing of the Registration Statement on Form S-8, or other appropriate form, under said Securities Act of 1933, as amended, with respect to shares of the Common Stock of Halliburton Company, par value $2.50 per share, to be sold and offered for sale under the Halliburton Company 2002 Employee Stock Purchase Plan, including specifically, but without limitation thereof, power and authority to sign my name as Director of Halliburton Company to any registration statements and applications and statements to be filed with the Securities and Exchange Commission in respect of said shares of Common Stock, and all amendments thereto, including without limitation post-effective amendments thereto, and to any instruments or documents filed as a part of or in connection therewith; and I hereby ratify and confirm all that said attorneys or attorney shall do or cause to be done by virtue hereof. IN TESTIMONY HEREOF, witness my hand this the 4th day of June, 2002. /s/ C. J. Silas --------------- C. J. Silas