| 1999-02-22 | 482816 | 42-131-38320 | DRISCOLL FOUNDATION #1D | WILLIAMS, CLAYTON ENERGY, INC. | DRILL | 3,650 | |
| 1999-02-22 | 482777 | 42-131-38319 | DCR "196" NCT-12 #3 | KILLAM OIL CO., LTD. | DRILL | 6,500 | |
| 1999-02-22 | 482777 | 42-131-38319 | DCR 196 NCT-12 #3 | KILLAM OIL CO., LTD. | DRILL | 5,900 | |
| 1999-02-19 | 482831 | 42-131-37990 | DCRC SECTION 54 #5 | D & P OPERATING & PROD. CORP. | RECOMP | 3,000 | |
| 1999-02-19 | 482830 | 42-131-37740 | DCRC SECTION 54 #2 | D & P OPERATING & PROD. CORP. | RECOMP | 2,500 | |
| 1999-02-19 | 482808 | 42-131-38254 | DRISCOLL FOUNDATION #1Y | WILLIAMS, CLAYTON ENERGY, INC. | FLD-XFR | 11,654 | |
| 1999-01-29 | 482320 | 42-131-37967 | DUVAL COUNTY RANCH CO. -K- #66 | SOUTHWESTERN ENERGY PROD. CO. | RECOMP | 5,680 | |
| 1999-01-28 | 482234 | 42-131-38317 | DCR "576" #1 | KILLAM OIL CO., LTD. | DRILL | 9,000 | |
| 1999-01-26 | 482274 | 42-131-38318 | D.C.R.C. #1 | THORP PETROLEUM CORPORATION | DRILL | 11,000 | |
| 1999-01-26 | 482274 | 42-131-38318 | D.C.R.C. #1 | KEBO OIL & GAS, INC. | DRILL | 11,000 | |
| 1999-01-22 | 482215 | 42-131-38210 | RAGSDALE #1 | VASTAR RESOURCES, INC. | RECOMP | 12,200 | |
| 1999-01-07 | 481931 | 42-131-38316 | CASAS #2 | ULTRA OIL & GAS, INC. | DRILL | 4,000 | |
| 1998-12-29 | 481836 | 42-131-38315 | F. GONZALEZ GU #2 | ENRON OIL & GAS COMPANY | DRILL | 8,500 | |
| 1998-12-29 | 481820 | 42-131-38314 | DCRC MF NCT-64 #11 | MORSEY OIL & GAS CORP. | DRILL | 1,750 | |
| 1998-12-28 | 481757 | 42-131-38313 | LOPEZ MINERAL TRUST #1 | ENRON OIL & GAS COMPANY | DRILL | 16,500 | |
| 1998-12-15 | 481552 | 42-131-38312 | LOPEZ, BERTA #2 | ENRON OIL & GAS COMPANY | DRILL | 10,000 | |
| 1998-12-11 | 481450 | 42-131-38311 | MOBIL FEE #6 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 13,000 | |
| 1998-12-11 | 481450 | 42-131-38311 | MOBIL FEE #6 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 13,000 | |
| 1998-12-09 | 481395 | 42-131-38310 | THOMAS #1 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 11,000 | |
| 1998-12-09 | 480470 | 42-131-38298 | HUBBERD, MARY C. #7R | MORSEY OIL & GAS CORP. | DRILL | 2,750 | |
| 1998-12-08 | 480529 | 42-131-38303 | RECTIFIER #145A | KOCH PIPELINE COMPANY, L.P. | DRILL | 300 | |
| 1998-12-01 | 481207 | 42-131-38309 | PETERS STATE "C" #3 | KILLAM OIL CO., LTD. | DRILL | 6,500 | |
| 1998-12-01 | 481207 | 42-131-38309 | PETERS STATE "C" #3 | KILLAM OIL CO., LTD. | DRILL | 5,900 | |
| 1998-12-01 | 481203 | 42-131-32006 | THE DUWEL CO. #1 | WILLIAMS, CLAYTON ENERGY, INC. | RENTR | 11,675 | |
| 1998-11-23 | 480965 | 42-131-38308 | DCRC STATE SEC. 280 #1 | DEWBRE, JERRY C., TRUSTEE | DRILL | 1,050 | |
| 1998-11-19 | 480990 | 42-131-38246 | AKERS #1 | VASTAR RESOURCES, INC. | RECOMP | 11,700 | |
| 1998-11-18 | 480956 | 42-131-38307 | BLUNK, V. M. #7 | MCGUFFIN, JOE JR. | DRILL | 6,000 | |
| 1998-11-18 | 480956 | 42-131-38307 | BLUNK, V. M. #7 | MCGUFFIN, JOE JR. | DRILL | 6,150 | |
| 1998-11-18 | 480843 | 42-131-38306 | TEXACO DCR (MF) 59 #1 | KILLAM OIL CO., LTD. | DRILL | 6,500 | |
| 1998-11-12 | 480777 | 42-131-38305 | MARSHALL GAS UNIT 38 #1 | CABOT OIL & GAS CORPORATION | DRILL | 10,500 | |
| 1998-11-12 | 480777 | 42-131-38305 | MARSHALL GAS UNIT 38 #1 | CABOT OIL & GAS CORPORATION | DRILL | 11,000 | |
| 1998-11-09 | 480739 | 42-131-38304 | ULTRA SWD #1 | ULTRA WELL, INC. | DRILL | 3,800 | |
| 1998-11-04 | 480600 | 42-131-38302 | PETERS STATE "B" #2 | KILLAM OIL CO., LTD. | DRILL | 6,500 | |
| 1998-11-02 | 480616 | 42-131-38301 | CUELLAR 123 #3 | SANCHEZ OIL & GAS CORPORATION | DRILL | 4,550 | |
| 1998-11-02 | 480610 | 42-131-38300 | SLING #1 | TESORO E&P COMPANY, L.P. | DRILL | 12,000 | |
| 1998-11-02 | 480608 | 42-131-38234 | MOBIL FEE #5 | MOBIL PRODUCING TX. & N.M. INC. | RECOMP | 10,200 | |
| 1998-11-02 | 480607 | 42-131-38299 | SAENZ GUERRA UNIT #1 | BRIGHAM OIL & GAS, L.P. | DRILL | 7,000 | |
| 1998-10-30 | 480379 | 42-131-38297 | HERBST, WALTER #3X | NORDSTRAND ENGINEERING, INC. | DRILL | 2,900 | |
| 1998-10-23 | 479525 | 42-131-32897 | KOHLER, V. -A- #121 | MANTI OPERATING COMPANY | RECOMP | 5,550 | |
| 1998-10-20 | 480317 | 42-131-38296 | SOUTHWEST TEXAS CORP #2 | LIVE OAK RESERVES, INC. | DRILL | 6,600 | |
| 1998-10-20 | 480317 | 42-131-38296 | SOUTHWEST TEXAS CORP #2 | LIVE OAK RESERVES, INC. | DRILL | 6,600 | |
| 1998-10-16 | 480230 | 42-131-38295 | BENAVIDES FIELD UNIT #2 | CCGM EXPLORATION & PROD.,L.C. | DRILL | 5,600 | |
| 1998-10-12 | 480066 | 42-131-38294 | SUN #2 | MOBIL PRODUCING TX. & N.M. INC. | DRILL | 12,500 | |
| 1998-09-29 | 479702 | 42-131-38293 | D.C.R.C. 196 NCT-12 #2 | KILLAM OIL CO., LTD. | DRILL | 6,500 | |
| 1998-09-24 | 479690 | 42-131-38292 | JARED 210 #1 | BRIGHAM OIL & GAS, L.P. | DRILL | 12,500 | |
| 1998-09-16 | 479425 | 42-131-38290 | DCRC STATE SECTION 266 #1 | DEWBRE, JERRY C., TRUSTEE | DRILL | 1,300 | |
| 1998-09-14 | 479436 | 42-131-38291 | DCRC #K 67 | SOUTHWESTERN ENERGY PROD. CO. | DRILL | 9,400 | |
| 1998-09-02 | 479201 | 42-131-38289 | KILGORE-WERNECKE GAS UNIT #3 | SHELL WESTERN E&P INC. | DRILL | 17,200 | |
| 1998-08-24 | 478905 | 42-131-38288 | KILLAM FREER RCH. "196" #2 | KILLAM OIL CO., LTD. | DRILL | 5,900 | |
| 1998-08-17 | 478760 | 42-131-38287 | DILWORTH #1 | HURD ENTERPRISES, LTD. | DRILL | 14,000 | |