1 EXHIBIT 24.1 POWER OF ATTORNEY Robert E. Rose hereby designates and appoints Richard L. Lionberger and Lawrence R. Dickerson and each of them (with full power to each of them to act alone) as his attorney-in-fact, with full power of substitution and resubstitution (the "Attorneys-in-Fact"), for him and in his name, place and stead, in any and all capacities, to execute the Annual Report on Form 10-K (the "Annual Report") to be filed by Diamond Offshore Drilling, Inc. with the Securities and Exchange Commission and any amendment(s) to the Annual Report, which amendment(s) may make such changes in the Annual Report as either Attorney-in-Fact deems appropriate, and to file the Annual Report and each such amendment to the Annual Report together with all exhibits thereto and any and all documents in connection therewith. SIGNATURE TITLE DATE --------- ----- ---- /s/ ROBERT E. ROSE President, Chief Executive Officer February 24, 1997 - ----------------------------------------------------- and Director (principal Robert E. Rose executive officer) 2 POWER OF ATTORNEY Lawrence R. Dickerson hereby designates and appoints Richard L. Lionberger as his attorney-in-fact, with full power of substitution and resubstitution (the "Attorney-in-Fact"), for him and in his name, place and stead, in any and all capacities, to execute the Annual Report on Form 10-K (the "Annual Report") to be filed by diamond Offshore Drilling, Inc. with the Securities and Exchange Commission and any amendment(s) to the Annual Report, which amendment(s) may make such changes in the Annual Report as the Attorney-in-Fact deems appropriate, and to file the Annual Report and each such amendment to the Annual Report together with all exhibits thereto and any and all documents in connection therewith. SIGNATURE TITLE DATE --------- ----- ---- /s/ LAWRENCE R. DICKERSON Senior Vice President and Chief February 24, 1997 - ----------------------------------------------------- Financial Officer (principal Lawrence R. Dickerson executive officer) 2 3 POWER OF ATTORNEY Gary T. Krenek hereby designates and appoints Richard L. Lionberger and Lawrence R. Dickerson and each of them (with full power to each of them to act alone) as his attorney-in-fact, with full power of substitution and resubstitution (the "Attorneys-in-Fact"), for him and in his name, place and stead, in any and all capacities, to execute the Annual Report on Form 10-K (the "Annual Report") to be filed by Diamond Offshore Drilling, Inc. with the Securities and Exchange Commission and any amendment(s) to the Annual Report, which amendment(s) may make such changes in the Annual Report as either Attorney-in-Fact deems appropriate, and to file the Annual Report and each such amendment to the Annual Report together with all exhibits thereto and any and all documents in connection therewith. SIGNATURE TITLE DATE --------- ----- ---- /s/ GARY KRENEK Controller (principal February 24, 1997 - ----------------------------------------------------- accounting officer) Gary T. Krenek 3 4 POWER OF ATTORNEY James T. Tisch hereby designates and appoints Richard L. Lionberger and Lawrence R. Dickerson and each of them (with full power to each of them to act alone) as his attorney-in-fact, with full power of substitution and resubstitution (the "Attorneys-in-Fact"), for him and in his name, place and stead, in any and all capacities, to execute the Annual Report on Form 10-K (the "Annual Report") to be filed by Diamond Offshore Drilling, Inc. with the Securities and Exchange Commission and any amendment(s) to the Annual Report, which amendment(s) may make such changes in the Annual Report as either Attorney-in-Fact deems appropriate, and to file the Annual Report and each such amendment to the Annual Report together with all exhibits thereto and any and all documents in connection therewith. SIGNATURE TITLE DATE --------- ----- ---- /s/ JAMES S. TISCH Chairman of the Board February 24, 1997 - ----------------------------------------------------- James S. Tisch 4 5 POWER OF ATTORNEY Herbert C. Hofmann hereby designates and appoints Richard L. Lionberger and Lawrence R. Dickerson and each of them (with full power to each of them to act alone) as his attorney-in-fact, with full power of substitution and resubstitution (the "Attorneys-in-Fact"), for him and in his name, place and stead, in any and all capacities, to execute the Annual Report on Form 10-K (the "Annual Report") to be filed by Diamond Offshore Drilling, Inc. with the Securities and Exchange Commission and any amendment(s) to the Annual Report, which amendment(s) may make such changes in the Annual Report as either Attorney-in-Fact deems appropriate, and to file the Annual Report and each such amendment to the Annual Report together with all exhibits thereto and any and all documents in connection therewith. SIGNATURE TITLE DATE --------- ----- ---- /s/ HERBERT C. HOFMANN Director February 24, 1997 - ----------------------------------------------------- Herbert C. Hofmann 5