| 493500 | Mar 28, 2000 | Mar 28, 2000 | Mitchell Energy Corporation | Txi Gas Unit #5 | 7,400 | 49734501 |
| 493329 | Mar 23, 2000 | Mar 23, 2000 | Mitchell Energy Corporation | Peterson, A. L. #8 | 8,150 | 49734500 |
| 493339 | Mar 22, 2000 | Mar 22, 2000 | JW Energy Co., Ltd | Sealy A #719 | 6,500 | 49734499 |
| 493216 | Mar 20, 2000 | Mar 20, 2000 | Tejas Western Corp. | Cole, M. T. #2A | 9,000 | 49734498 |
| 493157 | Mar 17, 2000 | Mar 17, 2000 | Mitchell Energy Corporation | Walker, Mabel #2 | 6,450 | 49731933 |
| 493100 | Mar 16, 2000 | Mar 16, 2000 | Mitchell Energy Corporation | Dan B. Maeyers Gas Unit "A" #4 | 8,000 | 49734497 |
| 493099 | Mar 16, 2000 | Mar 16, 2000 | Mitchell Energy Corporation | Dan B. Maeyers Gas Unit "A" #3 | 8,050 | 49734496 |
| 493099Amendment | Mar 16, 2000 | Mar 16, 2000 | Mitchell Energy Corporation | Dan B. Maeyers Gas Unit "A" #3 | 8,050 | 49734496 |
| 493068 | Mar 15, 2000 | Mar 15, 2000 | Mitchell Energy Corporation | McAlister, O. H. #10 | 7,700 | 49734494 |
| 493067 | Mar 15, 2000 | Mar 15, 2000 | Mitchell Energy Corporation | Carpenter, Sol Heirs #5 | 8,050 | 49734495 |
| 493083 | Mar 14, 2000 | Mar 14, 2000 | JW Energy Co., Ltd | Davenport B #7 | 6,500 | 49734493 |
| 492872 | Mar 14, 2000 | Mar 14, 2000 | Enre Corp. | Potter-Merritt Unit #1 | 8,200 | 49734491 |
| 493006 | Mar 13, 2000 | Mar 13, 2000 | Dallas Production, Inc. | Gage #1 | 8,900 | 49734492 |
| 492727 | Mar 9, 2000 | Mar 9, 2000 | Richey, Ray Management Co., Inc. | Wilson, W. W. #1 | 7,600 | 49734488 |
| 492723 | Mar 9, 2000 | Mar 9, 2000 | Ryder Scott Oil Co. | Childers-Dodd Unit #3 | 7,000 | 49734487 |
| 492836 | Mar 7, 2000 | Mar 7, 2000 | Mitchell Energy Corporation | Wcco 4 - Miller B-2 #10J | 7,800 | 49734490 |
| 492836Amendment | Mar 7, 2000 | Mar 7, 2000 | Mitchell Energy Corporation | Wcco 4 - Miller B-2 #10J | 7,800 | 49734490 |
| 492788 | Mar 6, 2000 | Mar 6, 2000 | Mitchell Energy Corporation | Anna W. Woody Gas Unit #5 | 8,350 | 49734489 |
| 492673 | Mar 6, 2000 | Mar 6, 2000 | Mitchell Energy Corporation | Txi Gas Unit #3 | 7,400 | 49734486 |
| 492673Amendment | Mar 6, 2000 | Mar 6, 2000 | Mitchell Energy Corporation | Txi Gas Unit #3 | 7,400 | 49734486 |
| 492652 | Mar 2, 2000 | Mar 2, 2000 | JW Energy Co., Ltd | Davenport B #6 | 6,500 | 49734485 |
| 492652Amendment | Mar 2, 2000 | Mar 2, 2000 | JW Energy Co., Ltd | Davenport B #6 | 6,500 | 49734485 |
| 492169 | Feb 17, 2000 | Feb 17, 2000 | Mitchell Energy Corporation | Acola, Sam "A" #8 | 7,700 | 49734483 |
| 492168 | Feb 17, 2000 | Feb 17, 2000 | Mitchell Energy Corporation | Ann High Gas Unit "A" #1 | 7,900 | 49734484 |
| 491760 | Feb 9, 2000 | Feb 9, 2000 | London Petroleum Corporation | Goehring, C. W. #2 | 7,200 | 49734482 |
| 491584 | Feb 3, 2000 | Feb 3, 2000 | Mitchell Energy Corporation | Guinn, J. B. #2 | 3,675 | 49733286 |
| 491243 | Feb 3, 2000 | Feb 3, 2000 | London Petroleum Corporation | Redwine, H. J. #3 | 7,200 | 49734479 |
| 491555 | Jan 28, 2000 | Jan 28, 2000 | JW Energy Co., Ltd | Ashe Bcde #B12 | 6,000 | 49734481 |
| 491370 | Jan 25, 2000 | Jan 25, 2000 | Mitchell Energy Corporation | Desolee M. Kyle Gas Unit #2 | 7,600 | 49734480 |
| 491250 | Jan 21, 2000 | Jan 21, 2000 | Mitchell Energy Corporation | Garrett, Rufus #10 | 7,800 | 49734478 |
| 490975 | Jan 11, 2000 | Jan 11, 2000 | JW Energy Co., Ltd | Ashe Bcde #B 10 | 6,500 | 49734477 |
| 490833 | Jan 5, 2000 | Jan 5, 2000 | Mitchell Energy Corporation | Derting, B. G. #4 | 7,650 | 49734476 |
| 490742 | Dec 31, 1999 | Dec 31, 1999 | Mitchell Energy Corporation | Pavillard, Albert "A" #6 | 7,400 | 49734473 |
| 490741 | Dec 31, 1999 | Dec 31, 1999 | Mitchell Energy Corporation | Pavillard, Albert "A" #7 | 7,450 | 49734474 |
| 490685 | Dec 28, 1999 | Dec 28, 1999 | Mitchell Energy Corporation | Sewell Ranch, Inc. #6 | 7,500 | 49734472 |
| 490579 | Dec 28, 1999 | Dec 28, 1999 | Roil Mineral & Land Co. | Smith, T. M. #7 | 7,400 | 49734469 |
| 490677 | Dec 27, 1999 | Dec 27, 1999 | Nautilus Exploration, Inc. | Brown #1 | 7,500 | 49734471 |
| 490580 | Dec 23, 1999 | Dec 23, 1999 | Roil Mineral & Land Co. | Renfro, Wolfe Guinn #2 | 7,400 | 49734470 |
| 490580Amendment | Dec 23, 1999 | Dec 23, 1999 | Roil Mineral & Land Co. | Wolfe-Guinn-Renfro #6 | 7,400 | 49734470 |
| 490550 | Dec 21, 1999 | Dec 21, 1999 | JW Energy Co., Ltd | West Chico Unit #902 | 6,000 | 49734468 |
| 490505 | Dec 20, 1999 | Dec 20, 1999 | Mitchell Energy Corporation | Sewell Ranch, Inc. "B" #5 | 7,500 | 49734467 |
| 490476 | Dec 17, 1999 | Dec 17, 1999 | Mitchell Energy Corporation | Sewell Ranch, Inc. #5 | 7,500 | 49734466 |
| 490376 | Dec 15, 1999 | Dec 15, 1999 | Dallas Production, Inc. | Askey "C" #1 | 7,950 | 49734465 |
| 490374 | Dec 15, 1999 | Dec 15, 1999 | Dallas Production, Inc. | Downe #3 | 7,950 | 49734464 |
| 490355 | Dec 14, 1999 | Dec 14, 1999 | JW Energy Co., Ltd | Ashe Bcde #B 11 | 6,000 | 49734463 |
| 490264 | Dec 10, 1999 | Dec 10, 1999 | Tejas Western Corp. | Cole, M. T. #1A | 9,000 | 49734462 |
| 489585 | Dec 3, 1999 | Dec 3, 1999 | Mitchell Energy Corporation | Young, G. C. #1 | 7,215 | 49703084 |
| 489915 | Nov 30, 1999 | Nov 30, 1999 | Upham Oil & Gas Company | Orr, William #7 | 6,300 | 49734461 |
| 489874 | Nov 29, 1999 | Nov 29, 1999 | Stephens & Johnson Operating Co. | Henry, J. C. #2 | 6,000 | 49734460 |
| 489763 | Nov 23, 1999 | Nov 23, 1999 | Dallas Production, Inc. | Downe #2 | 7,950 | 49734459 |
| 489744 | Nov 22, 1999 | Nov 22, 1999 | JW Energy Co., Ltd | West Chico Unit #604 | 6,000 | 49734458 |
| 489463 | Nov 19, 1999 | Nov 19, 1999 | Mitchell Energy Corporation | June L. Griffeth Gas Unit "A" #1 | 7,800 | 49734457 |
| 489464 | Nov 15, 1999 | Nov 15, 1999 | Mitchell Energy Corporation | C. A. Lawrence Unit "E" #11 | 5,950 | 49731983 |
| 489207 | Nov 8, 1999 | Nov 8, 1999 | Mitchell Energy Corporation | Wco 4 - Wm. Miller GU 2 #7M | 7,800 | 49734456 |
| 489173 | Nov 5, 1999 | Nov 5, 1999 | Mitchell Energy Corporation | Shoop, Glenn P. "H" #1 | 8,200 | 49734455 |
| 489111 | Nov 3, 1999 | Nov 3, 1999 | JW Energy Co., Ltd | West Chico Unit #804 | 6,000 | 49734454 |
| 488902 | Oct 29, 1999 | Oct 29, 1999 | Mitchell Energy Corporation | Tarrant County Waterboard #11 | 4,210 | 49701303 |
| 488885 | Oct 28, 1999 | Oct 28, 1999 | Mitchell Energy Corporation | Gilbert Shawn GU 3 #5 | 6,140 | 49732336 |
| 488873 | Oct 26, 1999 | Oct 26, 1999 | JW Energy Co., Ltd | Davenport B #5 | 6,000 | 49734453 |
| 488809 | Oct 26, 1999 | Oct 26, 1999 | Mitchell Energy Corporation | McAlister, O. H. #9 | 7,800 | 49734452 |
| 488618 | Oct 21, 1999 | Oct 21, 1999 | Lakota Energy, Ltd. | Lanham, L. N. #3 | 7,925 | 49734450 |
| 488699 | Oct 20, 1999 | Oct 20, 1999 | Sabre Operating, Inc. | Berry #2C | 6,000 | 49734451 |
| 488589 | Oct 20, 1999 | Oct 20, 1999 | Mitchell Energy Corporation | Meadows-Kelly #1 | 6,185 | 49701199 |
| 488610 | Oct 18, 1999 | Oct 18, 1999 | E-L Gas Co., Ltd. | Fancher, L. O. #7 | 6,000 | 49734449 |
| 488566 | Oct 18, 1999 | Oct 18, 1999 | Mitchell Energy Corporation | Young, W. M. #1 | 7,550 | 49734447 |
| 488565 | Oct 18, 1999 | Oct 18, 1999 | Mitchell Energy Corporation | Wcco 4 - Fitch, J. P. #10A | 7,750 | 49734448 |
| 488492 | Oct 18, 1999 | Oct 18, 1999 | Ryder Scott Oil Co. | Childers #7 | 7,000 | 49734444 |
| 488514 | Oct 15, 1999 | Oct 15, 1999 | Mitchell Energy Corporation | Wcco 4 - Fitch, J. P. #8A | 7,650 | 49734445 |
| 488513 | Oct 15, 1999 | Oct 15, 1999 | Mitchell Energy Corporation | Wcco 4 - J P Fitch #9A | 7,650 | 49734446 |
| 488437 | Oct 14, 1999 | Oct 14, 1999 | Mitchell Energy Corporation | Gadberry, H. C. #4 | 3,400 | 49701075 |
| 488379 | Oct 14, 1999 | Oct 14, 1999 | Republic Energy Inc. | North #3 | 8,100 | 49734440 |
| 488478 | Oct 13, 1999 | Oct 13, 1999 | JW Energy Co., Ltd | Ashe Bcde #C11 | 6,000 | 49734443 |
| 488422 | Oct 13, 1999 | Oct 13, 1999 | Mitchell Energy Corporation | Garrett, Rufus #5 | 7,750 | 49734441 |
| 488421 | Oct 13, 1999 | Oct 13, 1999 | Mitchell Energy Corporation | Garrett, Rufus #7 | 7,750 | 49734442 |
| 488359 | Oct 11, 1999 | Oct 11, 1999 | Chief Oil & Gas LLC | Shoop #C 2 | 8,000 | 49734439 |
| 488109 | Oct 4, 1999 | Oct 4, 1999 | Mitchell Energy Corporation | R. S. Garrett Gas Unit "C" #2 | 7,700 | 49734438 |
| 488109Amendment | Oct 4, 1999 | Oct 4, 1999 | Mitchell Energy Corporation | R. S. Garrett Gas Unit "C" #2 | 7,700 | 49734438 |
| 488107 | Oct 4, 1999 | Oct 4, 1999 | Mitchell Energy Corporation | R. S. Garrett Gas Unit "C" #1 | 7,750 | 49734437 |
| 488066 | Oct 4, 1999 | Oct 4, 1999 | Mitchell Energy Corporation | Garrett, Rufus #6 | 7,750 | 49734436 |
| 488032 | Sep 28, 1999 | Sep 28, 1999 | JW Energy Co., Ltd | Ashe Bcde #C 10 | 6,000 | 49734435 |
| 488032Amendment | Sep 28, 1999 | Sep 28, 1999 | JW Energy Co., Ltd | Ashe Bcde #C 10 | 6,000 | 49734435 |
| 487913 | Sep 27, 1999 | Sep 27, 1999 | McCutchin Petroleum Corporation | Lowrance, Gene #3 | 5,750 | 49734434 |
| 487732 | Sep 27, 1999 | Sep 27, 1999 | Mitchell Energy Corporation | Roth, H. J. #1 | 4,454 | 49701826 |
| 487744 | Sep 23, 1999 | Sep 23, 1999 | Mitchell Energy Corporation | Robinson, Roy #2 | 5,973 | 49700885 |
| 487773 | Sep 20, 1999 | Sep 20, 1999 | E-L Gas Co., Ltd. | IG Yates #35 | 6,000 | 49734433 |
| 487610 | Sep 15, 1999 | Sep 15, 1999 | JW Energy Co., Ltd | Ashe Bcde #C 9 | 6,000 | 49734432 |
| 487560 | Sep 14, 1999 | Sep 14, 1999 | Merit Energy Company | Craft Water Board 20 #2 | 6,500 | 49734431 |
| 487410 | Sep 10, 1999 | Sep 10, 1999 | Mitchell Energy Corporation | Wcco 4 - Logan, H. H. #5H | 8,000 | 49734430 |
| 487398 | Sep 9, 1999 | Sep 9, 1999 | Mitchell Energy Corporation | Sol Carpenter Heirs #6 | 8,000 | 49734429 |
| 487362 | Sep 8, 1999 | Sep 8, 1999 | Mitchell Energy Corporation | Clough, Michael #4 | 8,050 | 49734428 |
| 487258 | Sep 8, 1999 | Sep 8, 1999 | Mitchell Energy Corporation | Stewart, M. F. "A" #1 | 6,293 | 49734132 |
| 487254 | Sep 8, 1999 | Sep 8, 1999 | Ryder Scott Oil Co. | Waggoner-Walker Unit #2 | 7,000 | 49734427 |
| 487186 | Sep 8, 1999 | Sep 8, 1999 | Mitchell Energy Corporation | Jones, C. R. #1 | 6,098 | 49720138 |
| 487184 | Sep 8, 1999 | Sep 8, 1999 | Mitchell Energy Corporation | Bradley, Emer #1 | 5,773 | 49704004 |
| 487280 | Sep 3, 1999 | Sep 3, 1999 | E-L Gas Co., Ltd. | Fancher, L. O. #6 | 6,000 | 49734426 |
| 487047 | Aug 30, 1999 | Aug 30, 1999 | Mitchell Energy Corporation | Wcco 1 - Sims, Thomas P. "B" #3G | 8,300 | 49734425 |
| 486989 | Aug 26, 1999 | Aug 26, 1999 | Mitchell Energy Corporation | Ham, J. A. #7 | 8,100 | 49734424 |
| 486362 | Aug 26, 1999 | Aug 26, 1999 | Mitchell Energy Corporation | Crenshaw Gas Unit #3 | 6,350 | 49734415 |
| 486812 | Aug 19, 1999 | Aug 19, 1999 | JW Energy Co., Ltd | Tarrant E #7 | 6,000 | 49734423 |
| 486812Amendment | Aug 19, 1999 | Aug 19, 1999 | JW Energy Co., Ltd | Tarrant E #7 | 6,000 | 49734423 |