| 486712 | Aug 16, 1999 | Aug 16, 1999 | JW Energy Co., Ltd | Tarrant E #8 | 6,000 | 49734422 |
| 486671 | Aug 16, 1999 | Aug 16, 1999 | Mitchell Energy Corporation | Finlayson, O. T. "A" #3 | 7,800 | 49734421 |
| 486670 | Aug 16, 1999 | Aug 16, 1999 | Mitchell Energy Corporation | Davis, W. M. #1 | 5,771 | 49701806 |
| 486635 | Aug 13, 1999 | Aug 13, 1999 | Merit Energy Company | Craft Water Board Unit 10 #5 | 6,500 | 49734420 |
| 486609 | Aug 12, 1999 | Aug 12, 1999 | Merit Energy Company | Craft Water Board Unit 1 #4 | 6,500 | 49734419 |
| 485962 | Aug 11, 1999 | Aug 11, 1999 | Mitchell Energy Corporation | Kaker #2 | 6,350 | 49734406 |
| 486381 | Aug 9, 1999 | Aug 9, 1999 | Briar Energy Corporation | Owens #1 #1 | 6,118 | 49733420 |
| 486454 | Aug 6, 1999 | Aug 6, 1999 | Mitchell Energy Corporation | Askey "A" #4 | 8,150 | 49734418 |
| 486401 | Aug 5, 1999 | Aug 5, 1999 | Mitchell Energy Corporation | P. K. Troxell GU #6 | 8,100 | 49734417 |
| 486369 | Aug 3, 1999 | Aug 3, 1999 | JW Energy Co., Ltd | Ashe Bcde #C 7 | 6,000 | 49734416 |
| 486200 | Jul 29, 1999 | Jul 29, 1999 | Mitchell Energy Corporation | Adele Clough GU 2 #14 | 7,680 | 49734230 |
| 486208 | Jul 28, 1999 | Jul 28, 1999 | Mitchell Energy Corporation | R. N. Williford Gas Unit #3 | 6,400 | 49734414 |
| 486208Amendment | Jul 28, 1999 | Jul 28, 1999 | Mitchell Energy Corporation | Williford, R. N. "A" #1 | 6,400 | 49734414 |
| 486150 | Jul 27, 1999 | Jul 27, 1999 | Mitchell Energy Corporation | Garrett, R. S. "B" #4 | 7,750 | 49734413 |
| 486149 | Jul 27, 1999 | Jul 27, 1999 | Mitchell Energy Corporation | Garrett, R. S. "B" #3 | 7,750 | 49734412 |
| 486148 | Jul 27, 1999 | Jul 27, 1999 | Mitchell Energy Corporation | Garrett, Rufus #4 | 7,800 | 49734411 |
| 485981 | Jul 26, 1999 | Jul 26, 1999 | Lakota Energy, Ltd. | Abel-Early #4 | 7,350 | 49734409 |
| 485901 | Jul 23, 1999 | Jul 23, 1999 | Lakota Energy, Ltd. | Bryan #3 | 7,950 | 49734401 |
| 486016 | Jul 20, 1999 | Jul 20, 1999 | Mitchell Energy Corporation | P. K. Troxell GU #5 | 8,050 | 49734410 |
| 485964 | Jul 19, 1999 | Jul 19, 1999 | Mitchell Energy Corporation | Maggie Spain Gas Unit 1 #4 | 8,150 | 49734408 |
| 485963 | Jul 19, 1999 | Jul 19, 1999 | Mitchell Energy Corporation | Maggie Spain Gas Unit 1 #3 | 8,150 | 49734407 |
| 485928 | Jul 16, 1999 | Jul 16, 1999 | JW Energy Co., Ltd | Tarrant E #13 | 6,000 | 49734405 |
| 485919 | Jul 16, 1999 | Jul 16, 1999 | Mitchell Energy Corporation | Wcco 4 - Miller, W. M. #8E | 7,800 | 49734402 |
| 485918 | Jul 16, 1999 | Jul 16, 1999 | Mitchell Energy Corporation | Finlayson, O. T. "A" #1 | 7,800 | 49734403 |
| 485917 | Jul 16, 1999 | Jul 16, 1999 | Mitchell Energy Corporation | Johnson, L. B. Estate #2 | 7,800 | 49734404 |
| 485917Amendment | Jul 16, 1999 | Jul 16, 1999 | Mitchell Energy Corporation | Finlayson, O. T. "A" #2 | 7,800 | 49734404 |
| 485751 | Jul 15, 1999 | Jul 15, 1999 | Ryder Scott Oil Co. | Childers Dodd Unit #2 | 6,800 | 49734398 |
| 485751Amendment | Jul 15, 1999 | Jul 15, 1999 | Ryder Scott Oil Co. | Childers Dodd Unit #2 | 7,000 | 49734398 |
| 485829 | Jul 13, 1999 | Jul 13, 1999 | Merit Energy Company | Arwine, Myrtle #3 | 6,500 | 49734400 |
| 485792 | Jul 13, 1999 | Jul 13, 1999 | Ryder Scott Oil Company | Branch #1 A | 7,000 | 49734399 |
| 485792Amendment | Jul 13, 1999 | Jul 13, 1999 | Eagleridge Operating, LLC | Branch #1 A | 7,000 | 49734399 |
| 485290 | Jul 12, 1999 | Jul 12, 1999 | Mitchell Energy Corporation | Acola, Sam "A" #7 | 7,650 | 49734384 |
| 485762 | Jul 9, 1999 | Jul 9, 1999 | E-L Gas Co., Ltd. | Yates, Billie #28 | 6,000 | 49734397 |
| 485597 | Jul 1, 1999 | Jul 1, 1999 | JW Energy Co., Ltd | Tarrant E #9 | 6,000 | 49734396 |
| 485563 | Jun 30, 1999 | Jun 30, 1999 | Mitchell Energy Corporation | Wcco 4 - Morris, Ada #10F | 7,850 | 49734395 |
| 485348 | Jun 30, 1999 | Jun 30, 1999 | Lakota Energy, Ltd. | Hill, Clay Cattle Company #4 | 8,000 | 49734390 |
| 485538 | Jun 29, 1999 | Jun 29, 1999 | Mitchell Energy Corporation | Cox, Pearl #5 | 8,150 | 49734394 |
| 485536 | Jun 29, 1999 | Jun 29, 1999 | Mitchell Energy Corporation | Peterson, A. L. #7 | 8,100 | 49734392 |
| 485535 | Jun 29, 1999 | Jun 29, 1999 | Mitchell Energy Corporation | Wcco 1 - Stevenson, D. #6B | 8,250 | 49734393 |
| 485380 | Jun 22, 1999 | Jun 22, 1999 | Mitchell Energy Corporation | Greines, M. #3 | 6,300 | 49734391 |
| 485321 | Jun 18, 1999 | Jun 18, 1999 | Mitchell Energy Corporation | Slimp, J. #7 | 7,500 | 49734389 |
| 485317 | Jun 18, 1999 | Jun 18, 1999 | Mitchell Energy Corporation | T. D. Lester Unit #3 | 6,250 | 49734388 |
| 485289 | Jun 17, 1999 | Jun 17, 1999 | Mitchell Energy Corporation | Kaker #3 | 6,200 | 49734387 |
| 485288 | Jun 17, 1999 | Jun 17, 1999 | Mitchell Energy Corporation | Padfield, Dean #4 | 6,350 | 49734386 |
| 485287 | Jun 17, 1999 | Jun 17, 1999 | Mitchell Energy Corporation | Thurmond, Joe "A" #3 | 8,200 | 49734385 |
| 485258 | Jun 16, 1999 | Jun 16, 1999 | Mitchell Energy Corporation | Ham, J. A. #6 | 8,100 | 49734383 |
| 485258Amendment | Jun 16, 1999 | Jun 16, 1999 | Mitchell Energy Corporation | Ham, J. A. #6 | 8,100 | 49734383 |
| 485225 | Jun 16, 1999 | Jun 16, 1999 | Republic Energy Inc. | Cocanougher, Charles #1 | 8,200 | 49734382 |
| 485192 | Jun 15, 1999 | Jun 15, 1999 | McCutchin Petroleum Corporation | Lowrance, Gene #2 | 5,900 | 49734380 |
| 485186 | Jun 15, 1999 | Jun 15, 1999 | Republic Energy Inc. | Barkley #1 | 8,200 | 49734381 |
| 485187 | Jun 14, 1999 | Jun 14, 1999 | JW Energy Co., Ltd | Slay #12 | 6,000 | 49734379 |
| 485040 | Jun 14, 1999 | Jun 14, 1999 | Merit Energy Company | Tarrant County Waterboard Unit 2 #3 | 5,830 | 49733208 |
| 485064 | Jun 8, 1999 | Jun 8, 1999 | Sabre Operating, Inc. | Berry #1C | 6,000 | 49734378 |
| 484987 | Jun 4, 1999 | Jun 4, 1999 | Mitchell Energy Corporation | Askey -B- #5 | 8,150 | 49734376 |
| 484986 | Jun 4, 1999 | Jun 4, 1999 | Mitchell Energy Corporation | S. F. Peek GU "A" #6 | 6,250 | 49734377 |
| 484869 | Jun 2, 1999 | Jun 2, 1999 | Enre Corp. | Potter, H. M. #9 | 8,300 | 49734373 |
| 484907 | Jun 1, 1999 | Jun 1, 1999 | Mitchell Energy Corporation | Slimp, J. #6 | 7,500 | 49734375 |
| 484906 | Jun 1, 1999 | Jun 1, 1999 | Mitchell Energy Corporation | J. J. Frank Gas Unit "B" #2 | 7,600 | 49734374 |
| 484803 | May 26, 1999 | May 26, 1999 | Mitchell Energy Corporation | Helms, L. V. #2 | 8,260 | 49730285 |
| 484735 | May 26, 1999 | May 26, 1999 | Richey, Ray Management Co., Inc. | Baker, Roil "Cowboy" #2 | 7,800 | 49734372 |
| 484751 | May 24, 1999 | May 24, 1999 | JW Energy Co., Ltd | Ashe C #8 | 6,000 | 49734371 |
| 484666 | May 20, 1999 | May 20, 1999 | Mitchell Energy Corporation | Logan-Miller #5 | 7,800 | 49734370 |
| 484442 | May 13, 1999 | May 13, 1999 | Mitchell Energy Corporation | Hardy, B. F. #1 | 5,800 | 49733199 |
| 484357 | May 10, 1999 | May 10, 1999 | Mitchell Energy Corporation | Hughes, D. J. #18 | 6,150 | 49731965 |
| 484315 | May 5, 1999 | May 5, 1999 | Enre Corp. | Strickland #8R | 8,300 | 49734369 |
| 484315Amendment | May 5, 1999 | May 5, 1999 | Enre Corp. | Strickland #8R | 8,300 | 49734369 |
| 484291 | May 4, 1999 | May 4, 1999 | JW Energy Co., Ltd | Ashe B #9 | 6,000 | 49734368 |
| 484281 | May 4, 1999 | May 4, 1999 | Chief Oil & Gas LLC | Waggoner, H. L. #C 1 | 7,000 | 49734367 |
| 484280 | May 4, 1999 | May 4, 1999 | Chief Oil & Gas LLC | Stone Unit #C 1 | 7,000 | 49734366 |
| 484279 | May 4, 1999 | May 4, 1999 | Chief Oil & Gas LLC | Shoop #C 1 | 7,000 | 49734365 |
| 484278 | May 4, 1999 | May 4, 1999 | Chief Oil & Gas LLC | Sauder #C 1 | 7,000 | 49734364 |
| 484277 | May 4, 1999 | May 4, 1999 | Chief Oil & Gas LLC | Stewart, H. P. #C 1 | 7,000 | 49734363 |
| 484008 | Apr 21, 1999 | Apr 21, 1999 | Mitchell Energy Corporation | McAlister, O. H. #8 | 7,700 | 49734362 |
| 483896 | Apr 15, 1999 | Apr 15, 1999 | JW Energy Co., Ltd | Ashe D #9 | 6,000 | 49734361 |
| 483836 | Apr 14, 1999 | Apr 14, 1999 | Mitchell Energy Corporation | Pavillard, Albert "A" #5 | 7,400 | 49734359 |
| 483832 | Apr 14, 1999 | Apr 14, 1999 | Mitchell Energy Corporation | Albert Pavillard GU "B" #2 | 7,400 | 49734360 |
| 483764 | Apr 9, 1999 | Apr 9, 1999 | Mitchell Energy Corporation | Patterson, M. L. #5 | 7,600 | 49734356 |
| 483764Amendment | Apr 9, 1999 | Apr 9, 1999 | Mitchell Energy Corporation | Patterson, M. L. #5 | 7,600 | 49734356 |
| 483763 | Apr 9, 1999 | Apr 9, 1999 | Mitchell Energy Corporation | Cox, Pearl #3 | 8,150 | 49734357 |
| 483762 | Apr 9, 1999 | Apr 9, 1999 | Mitchell Energy Corporation | Wcco 4 - Miller B-2 #9J | 7,650 | 49734358 |
| 483756 | Apr 9, 1999 | Apr 9, 1999 | Enre Corp. | Strickland #8 | 8,300 | 49720149 |
| 483729 | Apr 8, 1999 | Apr 8, 1999 | Merit Energy Company | Craft-Waterboard Unit 4 #4 | 6,500 | 49734355 |
| 483672 | Apr 5, 1999 | Apr 5, 1999 | Enre Corp. | Strickland #7 | 8,300 | 49734354 |
| 483670 | Apr 5, 1999 | Apr 5, 1999 | Enre Corp. | Strickland #8 | 8,300 | 49734353 |
| 483072 | Apr 5, 1999 | Apr 5, 1999 | Mitchell Energy Corporation | Pavillard, Albert "A" #3 | 7,190 | 49734096 |
| 483630 | Mar 31, 1999 | Mar 31, 1999 | Mitchell Energy Corporation | Fred L. Graham Gas Unit #3 | 7,450 | 49734352 |
| 483534 | Mar 26, 1999 | Mar 26, 1999 | JW Energy Co., Ltd | Ashe D #12 | 6,000 | 49734351 |
| 483454 | Mar 25, 1999 | Mar 25, 1999 | Mitchell Energy Corporation | Wcco 4 - Miller "G" #2G | 7,750 | 49734350 |
| 483351 | Mar 17, 1999 | Mar 17, 1999 | Merit Energy Company | Smith, B. A. Unit 2 #6 | 6,050 | 49733900 |
| 483349 | Mar 17, 1999 | Mar 17, 1999 | JW Energy Co., Ltd | Tarrant E #16 | 6,000 | 49734349 |
| 483270 | Mar 15, 1999 | Mar 15, 1999 | Rubicon Energy, L.L.C. | Seagraves #4 | 5,900 | 49734348 |
| 483239 | Mar 11, 1999 | Mar 11, 1999 | Mitchell Energy Corporation | W. J. Shepherd Gas Unit #3 | 7,350 | 49734347 |
| 483207 | Mar 10, 1999 | Mar 10, 1999 | Mitchell Energy Corporation | Rowan Estate Trust #2 | 8,200 | 49734345 |
| 483032 | Mar 4, 1999 | Mar 4, 1999 | Mitchell Energy Corporation | Pavillard, Albert #4 | 7,100 | 49733738 |
| 482996 | Mar 1, 1999 | Mar 1, 1999 | Mitchell Energy Corporation | Txi Gas Unit #4 | 7,360 | 49734346 |
| 482785 | Feb 18, 1999 | Feb 18, 1999 | Mitchell Energy Corporation | Acola, Sam "B" #4 | 7,750 | 49734344 |
| 482534 | Feb 8, 1999 | Feb 8, 1999 | JW Energy Co., Ltd | Tarrant E #14 | 6,000 | 49734343 |
| 482534Amendment | Feb 8, 1999 | Feb 8, 1999 | JW Energy Co., Ltd | Tarrant E #14 | 6,000 | 49734343 |
| 482374 | Feb 1, 1999 | Feb 1, 1999 | Mitchell Energy Corporation | Griffeth Gas Unit #7 | 8,100 | 49734342 |
| 482339 | Jan 28, 1999 | Jan 28, 1999 | Mitchell Energy Corporation | Improvement District #1 | 5,804 | 49733541 |