| 1981-05-28 | 119484 | 42-283-30766 | SOUTH TEXAS SYNDICATE #9-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-28 | 119483 | 42-283-30765 | SOUTH TEXAS SYNDICATE #8-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-28 | 119482 | 42-283-30764 | SOUTH TEXAS SYNDICATE #7-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-25 | 119174 | 42-283-30762 | TALBUTT, G. E. #1 | WARNCKE, GLENNWOOD | DRILL | 8,000 | |
| 1981-05-22 | 119046 | 42-283-30761 | MANLEY-TALBERT #1 | D & G GAS & OIL COMPANY | DRILL | 5,766 | |
| 1981-05-20 | 119197 | 42-283-30763 | MOFFETT, LANE #1 | ORION OIL CO. | DRILL | 7,395 | |
| 1981-05-20 | 118745 | 42-283-30760 | SOUTH TEXAS SYNDICATE #3-70 | HAWN BROTHERS | DRILL | 651 | |
| 1981-05-20 | 118743 | 42-283-80176 | COQUAT, ROBERT #1 | FORD, EDMOND J., JR. | RECOMP | 6,000 | |
| 1981-05-20 | 118741 | 42-283-30759 | TREFF, PAUL #1 | D & G GAS & OIL COMPANY | DRILL | 5,800 | |
| 1981-05-15 | 118307 | 42-283-30758 | BURNS, MARTHA DOBSON ET AL #3 | ENERGY RESERVES GROUP, INC. | DRILL | 8,500 | |
| 1981-05-04 | 116946 | 42-283-30757 | SOUTH TEXAS SYNDICATE #2 | LONGHORN OIL&GAS CO. | DRILL | 6,000 | |
| 1981-05-04 | 116901 | 42-283-30756 | SOUTH TEXAS SYNDICATE #6-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-04 | 116900 | 42-283-30755 | SOUTH TEXAS SYNDICATE #5-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-04 | 116899 | 42-283-30754 | SOUTH TEXAS SYNDICATE #4-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-04 | 116891 | 42-283-30753 | SOUTH TEXAS SYNDICATE #3-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-04 | 116890 | 42-283-30752 | SOUTH TEXAS SYNDICATE #2-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-04 | 116889 | 42-283-30751 | SOUTH TEXAS SYNDICATE #1-C | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-04 | 116888 | 42-283-30750 | SOUTH TEXAS SYNDICATE #4A | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-05-01 | 116684 | 42-283-30748 | LANE #3 | TIPPERARY OIL & GAS CORPORATION | DRILL | 7,500 | |
| 1981-05-01 | 116671 | 42-283-30747 | COYNE "A" UNIT #1 | U. S. OPERATING, INC. | DRILL | 7,900 | |
| 1981-04-30 | 116520 | 42-283-30746 | FIEDLER #1 | TEMPLETON ENERGY, INC | DRILL | 5,560 | |
| 1981-04-22 | 115779 | 42-283-30745 | SOUTH TEXAS SYNDICATE RANCH #2 | ZERO CORPORATION OF TEXAS | DRILL | 5,357 | |
| 1981-04-17 | 116752 | 42-283-30749 | STOREY, DUDLEY ET UX #1 | CREST ENERGY CORP. | DRILL | 4,500 | |
| 1981-04-14 | 115060 | 42-283-30744 | WETHERBEE, CHARLES F. TRUSTEE #2 | WARNCKE, GLENNWOOD | DRILL | 8,000 | |
| 1981-04-02 | 114163 | 42-283-30743 | SOUTH TEXAS SYNDICATE "A" #7-42 | MORMAC ENERGY CORPORATION | DRILL | 5,300 | |
| 1981-03-23 | 112863 | 42-283-30742 | SOUTH TEXAS SYNDICATE #3A | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-03-23 | 112862 | 42-283-30741 | SOUTH TEXAS SYNDICATE #1A | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-03-23 | 112861 | 42-283-30740 | SOUTH TEXAS SYNDICATE #2A | GENERAL AMERICAN PROPERTIES, INC | DRILL | 400 | |
| 1981-03-12 | 112078 | 42-283-30739 | SOUTH TEXAS SYNDICATE "A" 95 #2 | CUMMINS & WALKER OIL CO., INC. | DRILL | 5,810 | |
| 1981-03-05 | 110859 | 42-283-30736 | SMITH #1 | U. S. OPERATING, INC. | DRILL | 8,550 | |
| 1981-03-04 | 111389 | 42-283-30737 | WITHERS #5 | HONCHO INTERNATIONAL CORP. | DRILL | 3,500 | |
| 1981-03-02 | 109915 | 42-283-30735 | BURNS, MARTHA DOBSON ET AL #2 | ENERGY RESERVES GROUP, INC. | DRILL | 8,325 | |
| 1981-03-02 | 109899 | 42-283-30734 | HILSCHER, EUGENE H. #1 | ROME EXPLORATION CO, INC. | DRILL | 7,500 | |
| 1981-03-02 | 109898 | 42-283-30733 | GUTIERREZ, RAYMOND M. #1 | EXXON CORP. | DRILL | 5,000 | |
| 1981-02-27 | 109741 | 42-283-30732 | TRIPLE BAR RANCH #4 | RUTHERFORD OIL CORPORATION | DRILL | 8,500 | |
| 1981-02-24 | 109445 | 42-283-30731 | SHELDON ESTATES #1 | U. S. OPERATING, INC. | DRILL | 9,600 | |
| 1981-02-18 | 108732 | 42-283-30729 | SOUTH TEXAS SYNDICATE #1-34 | PETROLERO CORP. | DRILL | 5,314 | |
| 1981-02-17 | 108617 | 42-283-30728 | DEVINE NUTS "A" #1 | U. S. OPERATING, INC. | DRILL | 8,150 | |
| 1981-02-11 | 108131 | 42-283-30727 | LANE #2 | TIPPERARY OIL & GAS CORPORATION | DRILL | 7,500 | |
| 1981-02-11 | 108077 | 42-283-30726 | BURNS, MARTHA DOBSON ET AL #1 | ENERGY RESERVES GROUP, INC. | DRILL | 8,500 | |
| 1981-01-27 | 106547 | 42-283-30725 | PENA, CARLOS "B" #1 | LOVELADY, IKE INC. | DRILL | 7,650 | |
| 1981-01-27 | 106540 | 42-283-30724 | NORTHWAY #1 | U. S. OPERATING, INC. | DRILL | 7,590 | |
| 1981-01-23 | 106076 | 42-283-30723 | ALDER #1 | TIPPERARY OIL & GAS CORPORATION | DRILL | 7,400 | |
| 1981-01-14 | 105320 | 42-283-30730 | GLUECK, REBECCA #1 | SOHIO PETROLEUM CO. | DRILL | 11,005 | |
| 1980-12-31 | 104092 | 42-283-30722 | WETHERBEE, CHARLES F. TRUSTEE #1 | WARNCKE, GLENNWOOD | DRILL | 7,500 | |
| 1980-12-31 | 103887 | 42-283-30721 | ROCKING S #1 | U. S. OPERATING, INC. | DRILL | 7,848 | |
| 1980-12-31 | 103886 | 42-283-30720 | ROCKING S "A" #1 | U. S. OPERATING, INC. | DRILL | 8,500 | |
| 1980-12-23 | 103219 | 42-283-00168 | SOUTH TEXAS SYNDICATE "A" #15 | QUINTANA PET. CORP. | RECOMP | 5,101 | |
| 1980-12-19 | 102888 | 42-283-30719 | SOUTH TEXAS SYNDICATE RANCH #1 | NATIONAL OIL COMPANY, THE | DRILL | 5,402 | |
| 1980-12-16 | 102493 | 42-283-30718 | TREFF, A. #1 | D & G GAS & OIL COMPANY | DRILL | 5,800 | |