| PIONEER NATURAL RES. USA, INC. | 813 | 454 | 804 | 11,443 | 9 |
| DIAMONDBACK E&P LLC | 673 | 472 | 666 | 3,669 | 10 |
| EOG RESOURCES, INC. | 507 | 230 | 497 | 7,236 | 17 |
| APACHE CORPORATION | 308 | 157 | 302 | 14,846 | 16 |
| ANADARKO E&P ONSHORE LLC | 248 | 101 | 248 | 1,358 | 3 |
| BLACKBEARD OPERATING, LLC | 246 | 79 | 101 | 6,058 | 5 |
| BURLINGTON RESOURCES O & G CO LP | 236 | 107 | 236 | 1,674 | 4 |
| COG OPERATING LLC | 231 | 110 | 230 | 4,268 | 10 |
| ENDEAVOR ENERGY RESOURCES L.P. | 199 | 0 | 181 | 6,625 | 7 |
| OCCIDENTAL PERMIAN LTD. | 190 | 67 | 105 | 15,465 | 12 |
| OXY USA INC. | 186 | 121 | 80 | 3,785 | 7 |
| OVINTIV USA INC. | 184 | 159 | 184 | 2,365 | 7 |
| XTO ENERGY INC. | 184 | 4 | 174 | 18,548 | 18 |
| SM ENERGY COMPANY | 182 | 52 | 180 | 1,900 | 5 |
| CHEVRON U. S. A. INC. | 179 | 68 | 177 | 8,022 | 7 |
| BPX OPERATING COMPANY | 171 | 73 | 171 | 830 | 9 |
| CONTINENTAL RESOURCES, INC. | 154 | 124 | 154 | — | 7 |
| MARATHON OIL EF LLC | 143 | 44 | 143 | 1,946 | 6 |
| COTERRA ENERGY OPERATING CO. | 142 | 142 | 136 | — | 2 |
| DE CENTRAL OPERATING, LLC | 132 | 132 | 132 | — | 2 |
| SURGE OPERATING, LLC | 132 | 39 | 125 | 741 | 3 |
| HIGHPEAK ENERGY HOLDINGS, LLC | 126 | 37 | 105 | 67 | 3 |
| MAGNOLIA OIL & GAS OPERATING LLC | 126 | 73 | 126 | 1,185 | 10 |
| KINDER MORGAN PRODUCTION CO LLC | 120 | 53 | 63 | 4,246 | 2 |
| HILCORP ENERGY COMPANY | 106 | 55 | 8 | 6,240 | 19 |
| CIVITAS PERMIAN OPERATING, LLC | 105 | 68 | 105 | — | 6 |
| OXYROCK OPERATING, LLC | 105 | 79 | 103 | — | 4 |
| CALLON PETROLEUM OPERATING CO | 96 | 0 | 96 | 824 | 7 |
| PERMIAN RESOURCES OPERATING, LLC | 95 | 70 | 95 | — | 5 |
| DEVON ENERGY PRODUCTION CO, L.P. | 94 | 38 | 94 | 2,625 | 4 |
| WPX ENERGY PERMIAN, LLC | 94 | 19 | 94 | 903 | 4 |
| PERMIAN DEEP ROCK OIL CO., LLC | 88 | 44 | 88 | 39 | 1 |
| MEWBOURNE OIL COMPANY | 87 | 63 | 86 | 1,101 | 11 |
| CHESAPEAKE OPERATING, L.L.C. | 86 | 0 | 86 | 3,503 | 5 |
| CROWNQUEST OPERATING, LLC | 82 | 0 | 69 | 1,175 | 5 |
| ENCANA OIL & GAS(USA) INC. | 81 | 0 | 73 | 208 | 5 |
| APEX NATURAL GAS, LLC | 80 | 80 | 80 | — | 2 |
| RING ENERGY, INC. | 80 | 26 | 46 | 1,068 | 6 |
| CIMAREX ENERGY CO. | 77 | 2 | 68 | 699 | 2 |
| PARSLEY ENERGY OPERATIONS, LLC | 77 | 0 | 69 | 1,794 | 9 |
| FIREBIRD ENERGY II LLC | 75 | 48 | 75 | — | 4 |
| LEWIS PETRO PROPERTIES, INC. | 72 | 39 | 69 | 2,370 | 2 |
| FASKEN OIL AND RANCH, LTD. | 71 | 40 | 52 | 1,468 | 3 |
| COMSTOCK OIL & GAS, LLC | 66 | 32 | 66 | 940 | 7 |
| BTA OIL PRODUCERS, LLC | 64 | 32 | 64 | 374 | 5 |
| ROSEWOOD RESOURCES, INC. | 63 | 43 | 63 | 105 | 8 |
| SUMMIT PETROLEUM LLC | 62 | 44 | 61 | 674 | 3 |
| TRIPLE CROWN RESOURCES, LLC | 60 | 31 | 60 | 105 | 3 |
| VERDUN OIL & GAS LLC | 57 | 22 | 56 | 220 | 8 |
| U.S. ENERGY DEVELOPMENT CORP | 56 | 40 | 56 | 206 | 4 |
| AETHON ENERGY OPERATING LLC | 55 | 29 | 39 | 242 | 6 |
| SEM OPERATING COMPANY LLC | 54 | 18 | 54 | 480 | 3 |
| GULFTEX ENERGY, LLC | 52 | 20 | 51 | 9 | 5 |
| BIRCH OPERATIONS, INC. | 51 | 5 | 47 | 379 | 3 |
| VITAL ENERGY, INC. | 51 | 14 | 48 | — | 5 |
| JAVELIN ENERGY PARTNERS MGMT LLC | 49 | 30 | 49 | — | 5 |
| ROCKCLIFF ENERGY OPERATING LLC | 49 | 0 | 49 | 1,227 | 3 |
| SCOUT ENERGY MANAGEMENT LLC | 49 | 20 | 10 | 8,649 | 15 |
| TEP BARNETT USA, LLC | 49 | 8 | 49 | 2,736 | 2 |
| SILVERBOW RESOURCES OPER, LLC | 48 | 13 | 48 | 337 | 6 |
| ADAMAS ENERGY LLC | 47 | 47 | 47 | — | 5 |
| LAREDO PETROLEUM, INC. | 47 | 0 | 45 | 1,611 | 3 |
| PDEH LLC | 47 | 36 | 47 | — | 2 |
| LARIO OIL & GAS COMPANY | 45 | 0 | 43 | 203 | 3 |
| SILVER HILL ENERGY OPERATING LLC | 44 | 37 | 44 | — | 6 |
| DE IV OPERATING, LLC | 43 | 0 | 43 | — | 3 |
| OXY USA WTP LP | 43 | 16 | 19 | 5,293 | 8 |
| SAGE NATURAL RESOURCES LLC | 43 | 14 | 42 | 469 | 7 |
| DISCOVERY NATURAL RESOURCES LLC | 42 | 16 | 40 | 1,716 | 1 |
| GRIT OIL & GAS MANAGEMENT, LLC | 42 | 0 | 41 | — | 2 |
| RILEY PERMIAN OPERATING CO, LLC | 42 | 28 | 40 | 120 | 2 |
| TGNR EAST TEXAS II LLC | 41 | 31 | 40 | — | 2 |
| CATURUS ENERGY, LLC | 41 | 41 | 39 | — | 6 |
| GREENLAKE ENERGY OPERATING, LLC | 41 | 25 | 41 | — | 3 |
| DE3 OPERATING LLC | 41 | 0 | 40 | 819 | 4 |
| BAYSWATER OPERATING COMPANY LLC | 40 | 21 | 40 | 58 | 2 |
| ADMIRAL PERMIAN OPERATING LLC | 40 | 38 | 40 | — | 6 |
| SABINE ENERGY INC. | 40 | 40 | 40 | — | 5 |
| ENERGEN RESOURCES CORPORATION | 40 | 0 | 39 | 155 | 4 |
| JAGGED PEAK ENERGY LLC | 40 | 1 | 40 | 10 | 4 |
| EP ENERGY E&P COMPANY, L.P. | 39 | 0 | 36 | 1,399 | 4 |
| MURPHY EXPL. & PROD. CO. - USA | 39 | 8 | 39 | 939 | 3 |
| BHP BILLITON PET(TXLA OP) CO | 38 | 0 | 38 | 36 | 6 |
| RESOLUTE NATURAL RES. CO., LLC | 38 | 14 | 38 | 136 | 1 |
| RFE OPERATING, LLC | 38 | 33 | 38 | 44 | 3 |
| BURK ROYALTY CO., LTD. | 37 | 32 | 10 | 331 | 4 |
| ROCKCLIFF ENERGY OPERATING III | 36 | 36 | 36 | — | 1 |
| NGL WATER SOLUTIONS PERMIAN, LLC | 36 | 22 | 0 | 110 | 4 |
| WILDFIRE ENERGY OPERATING LLC | 36 | 28 | 36 | — | 4 |
| BASIN OIL & GAS OPERATING, LLC | 35 | 23 | 3 | 12 | 4 |
| VTX ENERGY OPERATING, LLC | 35 | 32 | 35 | — | 1 |
| TRP OPERATING LLC | 35 | 29 | 35 | 141 | 3 |
| CENTENNIAL RESOURCE PROD, LLC | 34 | 0 | 33 | 365 | 1 |
| PENN VIRGINIA OIL & GAS, L.P. | 34 | 0 | 34 | 542 | 2 |
| BKV BARNETT, LLC | 33 | 16 | 31 | 4,146 | 2 |
| TGNR PANOLA LLC | 33 | 33 | 33 | — | 1 |
| QEP ENERGY COMPANY | 33 | 0 | 33 | 936 | 2 |
| JONAH ENERGY LLC | 32 | 32 | 32 | — | 2 |
| PRI OPERATING, LLC | 32 | 0 | 32 | 162 | 2 |
| SHELL WESTERN E&P | 32 | 0 | 32 | 822 | 3 |
| SABALO II OPERATING, LLC | 31 | 28 | 30 | — | 1 |
| SABINE OIL & GAS CORPORATION | 31 | 5 | 28 | 1,294 | 6 |
| SN EF MAVERICK, LLC | 31 | 0 | 31 | 1,610 | 3 |
| WARWICK-ARTEMIS, LLC | 31 | 20 | 31 | — | 2 |
| CRESCENT ENERGY OPERATING, LLC | 30 | 30 | 30 | — | 6 |
| PETRO-HUNT PERMIAN, LLC | 29 | 4 | 28 | — | 2 |
| COLGATE OPERATING, LLC | 29 | 0 | 29 | 45 | 1 |
| ROSE CITY RESOURCES, LLC | 29 | 20 | 24 | 149 | 4 |
| WAGGONER OPERATING, L.L.C. | 28 | 28 | 0 | — | 3 |
| DISCOVERY OPERATING, INC. | 28 | 19 | 25 | 454 | 3 |
| EXCO OPERATING COMPANY, LP | 28 | 5 | 28 | 422 | 5 |
| NOBLE ENERGY INC | 28 | 2 | 28 | 626 | 1 |
| MANTI TARKA PERMIAN OP, LLC | 27 | 11 | 26 | 58 | 2 |
| ROSETTA RESOURCES OPERATING LP | 27 | 4 | 27 | 663 | 2 |
| WATERBRIDGE STATELINE LLC | 27 | 26 | 0 | — | 4 |
| BLUE ARROW OPERATING, LLC | 26 | 26 | 25 | — | 2 |
| FORMENTERA OPERATIONS LLC | 26 | 26 | 22 | — | 1 |
| HIBERNIA RESOURCES III, LLC | 26 | 0 | 26 | 280 | 2 |
| R. LACY SERVICES, LTD. | 26 | 14 | 26 | 244 | 1 |
| SN OPERATING, LLC | 26 | 0 | 26 | 557 | 3 |
| FW EAGLE FORD I, LLC | 25 | 25 | 25 | — | 2 |
| RP OPERATING, L.L.C. | 25 | 5 | 25 | 33 | 2 |
| TEXLAND PETROLEUM, L.P. | 25 | 16 | 1 | 1,174 | 7 |
| TRINITY OPERATING (USG), LLC | 25 | 0 | 25 | 641 | 4 |
| CONOCOPHILLIPS COMPANY | 24 | 11 | 23 | 3,304 | 3 |
| ENDEAVOR NATURAL GAS, LP | 24 | 0 | 24 | 156 | 2 |
| KIMMERIDGE TEXAS GAS, LLC | 23 | 0 | 23 | — | 2 |
| JETTA OPERATING COMPANY, INC. | 23 | 20 | 4 | 554 | 3 |
| BLACKBRUSH O & G, LLC | 22 | 9 | 21 | 275 | 3 |
| HALCON OPERATING CO., INC. | 22 | 4 | 22 | 129 | 2 |
| INEOS USA OIL & GAS LLC | 22 | 20 | 22 | 89 | 3 |
| L.C.S. PRODUCTION COMPANY | 22 | 15 | 0 | 809 | 4 |
| SABLE PERMIAN RESOURCES LAND,LLC | 22 | 0 | 22 | 3 | 2 |
| CARRIZO (EAGLE FORD) LLC | 21 | 0 | 21 | 10 | 1 |
| FIREBIRD ENERGY LLC | 21 | 0 | 8 | 383 | 2 |
| T-C OIL COMPANY, LLC | 21 | 6 | 0 | 451 | 3 |
| BROOKSTON ENERGY, INC. | 20 | 18 | 0 | 189 | 2 |
| PDC PERMIAN, INC. | 20 | 0 | 20 | 123 | 1 |
| PETROLEGACY ENERGY II, LLC | 20 | 0 | 20 | 261 | 1 |
| UPCURVE ENERGY, LLC | 20 | 3 | 20 | 19 | 1 |
| W.T. WAGGONER ESTATE, INC. | 20 | 0 | 0 | 286 | 3 |
| BLACK SWAN OPCO, LLC | 19 | 18 | 19 | — | 2 |
| PETROPLEX ENERGY INC. | 19 | 19 | 19 | 90 | 3 |
| B.O.L.D. OIL AND GAS, LLC | 18 | 14 | 0 | 35 | 3 |
| EARTHSTONE OPERATING, LLC | 18 | 0 | 18 | 228 | 4 |
| HENRY RESOURCES LLC | 18 | 0 | 18 | 186 | 2 |
| KILLAM OIL CO., LTD. | 18 | 13 | 13 | 1,110 | 3 |
| LEGACY RESERVES OPERATING LP | 18 | 0 | 18 | 3,126 | 5 |
| LIME ROCK RESOURCES IV-A, L.P. | 18 | 0 | 17 | 922 | 3 |
| MATADOR PRODUCTION COMPANY | 18 | 0 | 18 | 244 | 1 |
| RSP PERMIAN, LLC | 18 | 0 | 9 | 31 | 5 |
| WILDHORSE RESOURCES MNGT CO, LLC | 18 | 0 | 18 | 8 | 4 |
| HIBERNIA RESOURCES IV, LLC | 17 | 13 | 17 | — | 3 |
| DEEP BLUE CENTRAL LLC | 17 | 17 | 0 | — | 2 |
| HAWKWOOD ENERGY OPERATING, LLC | 17 | 0 | 17 | 337 | 3 |
| OAKRIDGE OIL AND GAS, LP | 17 | 9 | 0 | 439 | 2 |
| THREE SPAN OIL & GAS, INC. | 17 | 4 | 13 | 182 | 3 |
| BUFFCO PRODUCTION INC. | 16 | 11 | 3 | 399 | 5 |
| CARRIZO (PERMIAN) LLC | 16 | 0 | 16 | 44 | 3 |
| EL TORO RESOURCES LLC | 16 | 12 | 16 | 89 | 3 |
| FOUR CORNERS PETROLEUM II, LLC | 16 | 0 | 0 | 3,608 | 1 |
| GEOSOUTHERN OPERATING II, LLC | 16 | 4 | 13 | 59 | 3 |
| MCCLURE OIL COMPANY, INC. | 16 | 9 | 0 | 232 | 5 |
| NEWPORT OPERATING, LLC | 16 | 5 | 0 | 172 | 2 |
| PALOMA OPERATING, LLC | 15 | 13 | 2 | — | 6 |
| VERDUN OIL EF II LLC | 15 | 15 | 15 | — | 1 |
| DENBURY ONSHORE, LLC | 15 | 13 | 0 | 1,753 | 2 |
| OASIS PETROLEUM PERMIAN LLC | 15 | 0 | 14 | 89 | 2 |
| RECOIL RESOURCES OPERATING, INC. | 15 | 0 | 15 | 103 | 1 |
| RIO OIL AND GAS (PERMIAN) II,LLC | 15 | 0 | 15 | 21 | 1 |
| ROSEHILL OPERATING COMPANY, LLC | 15 | 0 | 10 | 119 | 2 |
| STASNEY WELL SERVICE, LLC | 15 | 10 | 0 | 575 | 1 |
| TEXAS AMERICAN RESOURCES COMPANY | 15 | 5 | 15 | 105 | 4 |
| ATMOS ENERGY,WEST TEXAS DIVISION | 14 | 7 | 0 | — | 5 |
| CML EXPLORATION, LLC | 14 | 5 | 13 | 418 | 5 |
| CALLON (EAGLE FORD) LLC | 14 | 0 | 14 | 677 | 2 |
| ENERGY TRANSFER COMPANY | 14 | 14 | 0 | 34 | 12 |
| ENSIGN OPERATING LLC | 14 | 0 | 14 | 690 | 4 |
| PERCUSSION PETROLEUM OPER II,LLC | 14 | 0 | 14 | — | 2 |
| PITTS ENERGY CO. | 14 | 13 | 1 | 238 | 2 |
| STEWARD ENERGY II, LLC | 14 | 0 | 13 | 115 | 1 |
| TAP ROCK OPERATING, LLC | 14 | 0 | 14 | 7 | 1 |
| BASA RESOURCES, INC. | 13 | 7 | 0 | 11,161 | 2 |
| 1859 OPERATING LLC | 13 | 0 | 0 | — | 1 |
| EMPIRE TEXAS OPERATING LLC | 13 | 13 | 0 | — | 2 |
| DAVIS SOUTHERN OPERATING CO LLC | 13 | 12 | 0 | 48 | 3 |
| ELEVATION RESOURCES LLC | 13 | 8 | 13 | 43 | 1 |
| ENTERPRISE PRODUCTS OPERATINGLLC | 13 | 12 | 0 | 50 | 12 |
| ARRINGTON OIL&GAS OPERATING LLC | 12 | 12 | 12 | 46 | 1 |
| ATMOS ENERGY CORP., MID-TEX DIV. | 12 | 2 | 0 | — | 8 |
| QUAIL RIDGE OPERATING LLC | 12 | 3 | 11 | — | 2 |
| DE V OPERATING, LLC | 12 | 12 | 12 | — | 1 |
| CAPITAN ENERGY, INCORPORATED | 12 | 7 | 12 | 92 | 2 |
| FELDERHOFF PRODUCTION COMPANY | 12 | 8 | 0 | 564 | 5 |
| FELIX ENERGY HOLDINGS II, LLC | 12 | 0 | 12 | 7 | 2 |
| MORIAH OPERATING,LLC | 12 | 6 | 12 | 167 | 4 |
| MURCHISON OIL AND GAS, LLC | 12 | 0 | 12 | 33 | 2 |
| SLANT OPERATING, LLC | 12 | 0 | 1 | 865 | 4 |
| STRONGHOLD ENERGY II OPER, LLC | 12 | 0 | 0 | 1,036 | 1 |
| TALL CITY OPERATIONS III LLC | 12 | 0 | 12 | 49 | 1 |
| WALKER OPERATING COMPANY | 12 | 12 | 0 | 9 | 2 |
| BPX MIDSTREAM LLC | 11 | 0 | 0 | 5 | 1 |
| HANNATHON PETROLEUM II, LLC | 11 | 2 | 11 | — | 2 |
| GHA BARNETT, LLC | 11 | 0 | 11 | 40 | 2 |
| KING OPERATING CORPORATION | 11 | 7 | 11 | 9 | 3 |
| MUIRFIELD EXPLORATION, LTD. | 11 | 7 | 0 | 214 | 1 |
| POINT ENERGY PARTNERS PETRO, LLC | 11 | 0 | 10 | 23 | 1 |
| STRAND ENERGY, L.C. | 11 | 1 | 4 | 154 | 4 |
| TECOLOTE ENERGY OPERATING, LLC | 11 | 0 | 11 | 26 | 1 |
| TEXAS PETROLEUM INVESTMENT CO. | 11 | 0 | 11 | 1,991 | 2 |
| TIDAL PETROLEUM, INC. | 11 | 7 | 11 | 106 | 4 |
| ZARVONA ENERGY LLC | 11 | 3 | 11 | 1,156 | 4 |
| AGERON ENERGY, LLC | 10 | 5 | 10 | 31 | 3 |
| AQUA TERRA PERMIAN, LLC | 10 | 7 | 0 | 10 | 3 |
| BCE-MACH III LLC | 10 | 10 | 9 | — | 1 |
| BOSQUE TEXAS OIL LLC | 10 | 9 | 10 | 5 | 2 |
| BRIDWELL OIL CO. | 10 | 5 | 0 | 1,520 | 3 |
| DEEP BLUE OPERATING I LLC | 10 | 10 | 0 | — | 5 |
| TANOS EXPLORATION IV, LLC | 10 | 10 | 9 | — | 4 |
| PBEX-MCM OPERATING, LLC | 10 | 10 | 10 | — | 1 |
| RISING STAR ENERGY PARTNERS II, | 10 | 10 | 0 | — | 1 |
| CGS OPERATING, LLC | 10 | 0 | 8 | — | 3 |
| CIMARRON ENGINEERING, LLC | 10 | 5 | 0 | 71 | 5 |
| EAGLE OIL & GAS CO. | 10 | 7 | 0 | 199 | 2 |
| GRENADIER ENERGY PARTNERS II,LLC | 10 | 0 | 10 | 35 | 1 |
| IRON ORCHARD OPERATING LLC | 10 | 10 | 10 | 149 | 2 |
| MONTARE OPERATING, LTD. | 10 | 10 | 0 | — | 2 |
| PEREGRINE PETROLEUM PRTNR, LTD. | 10 | 0 | 6 | 4 | 3 |
| PRIMEXX OPERATING CORPORATION | 10 | 0 | 10 | 218 | 1 |
| REPSOL OIL & GAS USA, LLC | 10 | 3 | 10 | 606 | 1 |
| TEAL OPERATING, LLC | 10 | 0 | 10 | 96 | 1 |
| WHITEHEAD RESOURCES, LTD. | 10 | 8 | 0 | 29 | 2 |
| ATLAS OPERATING LLC | 9 | 7 | 7 | 839 | 3 |
| LAKEWOOD ENERGY LLC | 9 | 9 | 9 | — | 2 |
| BKV NORTH TEXAS, LLC | 9 | 9 | 9 | — | 2 |
| EP ENERGY E&P COMPANY, LLC | 9 | 0 | 9 | — | 2 |
| ROCC OPERATING, LLC | 9 | 0 | 9 | — | 2 |
| BROWNING OIL COMPANY, INC. | 9 | 0 | 9 | 93 | 4 |
| CALLON (PERMIAN) LLC | 9 | 0 | 9 | 92 | 1 |
| CHOLLA PETROLEUM, INC. | 9 | 0 | 1 | 738 | 3 |
| FAULCONER ENERGY, LLC | 9 | 7 | 0 | — | 3 |
| GOODNIGHT MIDSTREAM PERMIAN, LLC | 9 | 9 | 0 | 28 | 1 |
| HADAWAY CONSULT AND ENGINEER,LLC | 9 | 0 | 8 | 4 | 4 |
| INPEX EAGLE FORD, LLC | 9 | 0 | 9 | 80 | 1 |
| MAMMOTH EXPLORATION LLC | 9 | 0 | 1 | 251 | 4 |
| PETROBAL OMEGA 1, LLC | 9 | 0 | 1 | 129 | 2 |
| PIEDRA OPERATING, LLC | 9 | 0 | 9 | 143 | 1 |
| PILOT WATER SOLUTIONS PERMIANLLC | 9 | 2 | 0 | 25 | 6 |
| SOJOURNER DRILLING CORPORATION | 9 | 4 | 0 | 831 | 6 |
| YUKON EXPLORATION OPERATING, LLC | 9 | 8 | 7 | — | 1 |
| AURORA RESOURCES CORPORATION | 8 | 5 | 0 | 191 | 4 |
| 3R OPERATING , LLC | 8 | 8 | 8 | — | 1 |
| SAXUM OPCO, LLC | 8 | 8 | 8 | — | 1 |
| COOPER OIL & GAS, LLC | 8 | 1 | 0 | 249 | 2 |
| GORDY OIL COMPANY | 8 | 0 | 7 | 67 | 1 |
| INDEPENDENCE RESOURCES MGMT, LLC | 8 | 0 | 7 | 843 | 3 |
| KJ ENERGY, LLC | 8 | 0 | 6 | 252 | 2 |
| LUXE OPERATING LLC | 8 | 0 | 6 | 58 | 2 |
| MDC TEXAS OPERATOR LLC | 8 | 0 | 8 | 86 | 1 |
| MID-STATES OPERATING COMPANY | 8 | 7 | 0 | 48 | 2 |
| SEA EAGLE FORD, LLC | 8 | 0 | 8 | 236 | 2 |
| SOLARIS WATER MIDSTREAM, LLC | 8 | 4 | 0 | 19 | 2 |
| TANOS EXPLORATION II, LLC | 8 | 0 | 8 | 652 | 3 |
| TRIO CONSULTING & MANAGEMENT,LLC | 8 | 6 | 0 | 125 | 4 |
| VALENCE OPERATING COMPANY | 8 | 4 | 7 | 806 | 4 |
| VELOCITY WATER SOLUTIONS, LP | 8 | 6 | 0 | 14 | 4 |
| XRI DISPOSAL HOLDINGS, LLC | 8 | 8 | 0 | — | 2 |
| AMTEX ENERGY, INC. | 7 | 4 | 6 | 15 | 2 |
| CENTRAL GULF PETROLEUM INC | 7 | 7 | 0 | — | 1 |
| MITSUI E&P USA LLC | 7 | 7 | 7 | — | 2 |
| FE PERMIAN OPERATING I, L.L.C. | 7 | 7 | 7 | — | 1 |
| LANGFORD & BRIGHAM OPERATING LLC | 7 | 7 | 7 | — | 1 |
| PERUN ENERGY LLC | 7 | 7 | 4 | — | 1 |
| DELTA OIL & GAS LTD. | 7 | 3 | 0 | 412 | 4 |
| ENHANCED ENERGY PARTNERS CORP | 7 | 3 | 0 | 182 | 1 |
| FOUNDERS OIL & GAS OPERATING,LLC | 7 | 0 | 0 | 251 | 1 |
| FREEDOM PRODUCTION, INC. | 7 | 0 | 7 | — | 1 |
| FROSTWOOD ENERGY, LLC | 7 | 0 | 7 | 359 | 1 |
| IRONROC ENERGY | 7 | 0 | 7 | 17 | 4 |
| LAREDO ENERGY OPERATING, LLC | 7 | 0 | 7 | 176 | 1 |
| MAXIMUS OPERATING, LTD. | 7 | 4 | 2 | 36 | 6 |
| NBX ENERGY, LLC | 7 | 2 | 0 | 27 | 3 |
| PILLAR EFS, LLC | 7 | 0 | 7 | — | 1 |
| PURSUIT OIL & GAS STX, LLC | 7 | 5 | 7 | 10 | 2 |
| SABALO OPERATING, LLC | 7 | 0 | 7 | 130 | 1 |
| SURGE SOLUTIONS, INC. | 7 | 0 | 0 | 225 | 1 |
| SHERIDAN PRODUCTION CO III, LLC | 7 | 2 | 0 | 1,042 | 2 |
| TRUEBLOOD RESOURCES, INC. | 7 | 3 | 0 | 2 | 1 |
| UNIT PETROLEUM COMPANY | 7 | 0 | 5 | 1,284 | 2 |
| VENADO OPERATING COMPANY LLC | 7 | 0 | 7 | 303 | 2 |
| WFW PRODUCTION COMPANY, INC. | 7 | 3 | 0 | 575 | 1 |
| 4P ENERGY TEXAS, LLC | 7 | 0 | 7 | 1,439 | 2 |
| AJAX RESOURCES, LLC | 6 | 0 | 6 | 3 | 1 |
| ARCADIA OPERATING, LLC | 6 | 0 | 0 | 203 | 2 |
| ROCKPORT ENERGY SOLUTIONS LLC | 6 | 0 | 6 | — | 1 |
| CIRCLE-S ENERGY, LLC | 6 | 3 | 5 | — | 2 |
| ATOKA ENERGY LLC | 6 | 6 | 0 | — | 2 |
| REVENANT ENERGY OPERATING LLC | 6 | 6 | 6 | — | 1 |
| LAGUNA TEXAS RESOURCES, LLC | 6 | 6 | 6 | — | 1 |
| PWEP OPERATING, LLC | 6 | 6 | 6 | — | 1 |
| ARENOS ENERGY | 6 | 6 | 6 | — | 1 |
| WBI ENERGY MIDSTREAM, LLC | 6 | 6 | 0 | — | 4 |
| CCI EAST TEXAS UPSTREAM LLC | 6 | 0 | 4 | 1,405 | 2 |
| CLEAR FORK, INCORPORATED | 6 | 0 | 1 | 297 | 3 |
| CUTBOW OPERATING, LLC | 6 | 0 | 6 | — | 1 |
| ENERVEST OPERATING, L.L.C. | 6 | 0 | 5 | 323 | 3 |
| ESCONDIDO RESOURCES OPER CO, LLC | 6 | 2 | 6 | 139 | 2 |
| FAIR OIL, LTD. | 6 | 4 | 0 | 78 | 3 |
| FDL OPERATING, LLC | 6 | 0 | 2 | 5,399 | 1 |
| FORELAND OPERATING, LLC | 6 | 0 | 6 | 52 | 1 |
| FORZA OPERATING, LLC | 6 | 1 | 0 | 12 | 5 |
| GOODROCK NATURAL RESOURCES, LLC | 6 | 3 | 0 | 46 | 1 |
| GUIDON ENERGY MGMT SERVICES LLC | 6 | 0 | 1 | 281 | 1 |
| HUNT OIL COMPANY | 6 | 0 | 4 | 1,213 | 2 |
| MAGNUM PRODUCING, LP | 6 | 1 | 0 | 270 | 5 |
| MCM OPERATING, LLC | 6 | 6 | 6 | 4 | 1 |
| MERCURY OPERATING, LLC | 6 | 0 | 0 | 289 | 3 |
| MERIT ENERGY COMPANY | 6 | 1 | 0 | 2,695 | 3 |
| OXBOW PETROLEUM, LLC | 6 | 0 | 6 | 210 | 2 |
| PALEO OIL COMPANY LLC | 6 | 2 | 2 | 17 | 6 |
| SABINAL ENERGY OPERATING, LLC | 6 | 0 | 4 | 5,184 | 3 |
| SHILOH OIL COMPANY LLC | 6 | 0 | 0 | 108 | 2 |
| SINCLAIR OIL & GAS COMPANY | 6 | 0 | 6 | 18 | 1 |
| SONERRA RESOURCES CORPORATION | 6 | 3 | 0 | 86 | 1 |
| SPONTE OPERATING, INC. | 6 | 6 | 6 | 22 | 1 |
| UPP OPERATING, LLC | 6 | 2 | 1 | 7,125 | 2 |
| TITUS OIL & GAS PRODUCTION, LLC | 6 | 0 | 6 | 6 | 2 |
| WELDER EXPLORATION & PROD., INC. | 6 | 0 | 0 | 371 | 1 |
| WILCOX ENERGY COMPANY LLC | 6 | 6 | 0 | 100 | 1 |
| BP AMERICA PRODUCTION COMPANY | 5 | 0 | 5 | 1,174 | 2 |
| BARROW-SHAVER RESOURCES CO. | 5 | 0 | 2 | 102 | 2 |
| BORDERLINE OPERATING CORP. | 5 | 5 | 0 | 252 | 3 |
| BOYD & MCWILLIAMS OPERATING, LLC | 5 | 0 | 4 | 56 | 1 |
| OLEUM PARTNERS, LLC | 5 | 4 | 4 | — | 1 |
| DRY CREEK OPERATING, LLC | 5 | 4 | 0 | — | 2 |
| ROCC OIL & GAS, L.P. | 5 | 0 | 5 | — | 1 |
| TARPON RESOURCES, LP | 5 | 5 | 5 | — | 1 |
| RIDGEMAR ENERGY OPERATING, LLC | 5 | 0 | 5 | — | 1 |
| WES WATER HOLDINGS LLC | 5 | 3 | 0 | — | 3 |
| IKE OPERATING, LLC | 5 | 3 | 5 | — | 2 |
| BKV BARNETT II, LLC | 5 | 5 | 5 | — | 2 |
| WARWICK POSEIDON, GP | 5 | 5 | 5 | — | 1 |
| COKE CO. OPERATING | 5 | 5 | 0 | — | 1 |
| CANAN MOWREY OPERATING, LLC | 5 | 4 | 0 | 94 | 3 |
| COURSON OIL & GAS, INC. | 5 | 2 | 2 | 352 | 2 |
| DRY FORK PRODUCTION CO., LLC | 5 | 2 | 0 | 160 | 4 |
| EARTHBOUND RESOURCES LLC | 5 | 0 | 0 | 37 | 1 |
| EVEREST RESOURCE COMPANY | 5 | 2 | 0 | 52 | 4 |
| ENVIRONMENTAL DISPOSAL SYSTEMS | 5 | 0 | 0 | 10 | 2 |
| FX ENERGY OPERATING, LLC | 5 | 4 | 1 | 9 | 3 |
| FOSSIL PETROLEUM LLC | 5 | 1 | 0 | 53 | 3 |
| FOURPOINT ENERGY, LLC | 5 | 0 | 5 | — | 1 |
| HALLIBURTON OPERATING COMPANY | 5 | 3 | 0 | 35 | 2 |
| KALER ENERGY CORP. | 5 | 4 | 0 | 95 | 3 |
| KATSCO ENERGY, INC. | 5 | 0 | 0 | 95 | 2 |
| MAGELLAN PIPELINE COMPANY, L.P. | 5 | 3 | 0 | — | 3 |
| O'RYAN OIL AND GAS | 5 | 0 | 0 | 628 | 2 |
| PALUXY OIL & GAS, LLC | 5 | 0 | 0 | 8 | 1 |
| PNP OPERATING COMPANY LLC | 5 | 0 | 0 | 30 | 1 |
| R K PETROLEUM CORP. | 5 | 5 | 5 | 121 | 1 |
| R2Q OPERATING LLC | 5 | 3 | 0 | 1,344 | 1 |
| ROVER PETROLEUM OPERATING, LLC | 5 | 0 | 0 | 2,228 | 2 |
| ROYAL PRODUCTION COMPANY, INC. | 5 | 3 | 0 | 77 | 5 |
| SAGUARO PETROLEUM, LLC | 5 | 4 | 0 | 86 | 2 |
| SHARP IMAGE ENERGY, INC. | 5 | 0 | 0 | 224 | 3 |
| SHERIDAN PRODUCTION COMPANY, LLC | 5 | 0 | 3 | 752 | 3 |
| TRILOGY OPERATING, INC. | 5 | 1 | 0 | 77 | 1 |
| VENCER ENERGY, LLC | 5 | 0 | 5 | — | 2 |
| WAGNER OIL COMPANY | 5 | 0 | 0 | 885 | 5 |
| APC WATER HOLDINGS 1, LLC | 4 | 0 | 0 | 28 | 3 |
| APR OPERATING LLC | 4 | 0 | 4 | 77 | 1 |
| ATMOS PIPELINE - TEXAS | 4 | 3 | 1 | 57 | 4 |
| BENNETT RESOURCES, INC. | 4 | 0 | 1 | 52 | 1 |
| BLUFF CREEK PETROLEUM, LLC | 4 | 2 | 0 | 116 | 3 |
| BOBCAT MIDSTREAM LLC | 4 | 0 | 0 | — | 1 |
| BOYD, D. K. OIL AND GAS CO.,INC. | 4 | 0 | 0 | 18 | 2 |
| BRAZOS RIVER EXPLORATION LLC | 4 | 0 | 1 | 32 | 1 |
| BROOKS PETROLEUM COMPANY | 4 | 0 | 2 | 16 | 2 |
| BAYTEX ENERGY USA, INC. | 4 | 3 | 4 | — | 2 |
| PETROVYBE OPCO LLC | 4 | 4 | 0 | — | 2 |
| CYTEX SOUTH TEXAS OPERATING LLC | 4 | 3 | 4 | — | 1 |
| BUCKHORN OPERATING LLC | 4 | 4 | 4 | — | 1 |
| PETROLEGACY ENERGY III, LLC | 4 | 4 | 4 | — | 1 |
| ESPADA ENERGY, LLC | 4 | 4 | 4 | — | 1 |
| LITHOS RESOURCES II, LLC | 4 | 4 | 4 | — | 1 |
| ENSIGN NATURAL RESOURCES II LLC | 4 | 4 | 4 | — | 1 |
| CABOT OIL & GAS CORPORATION | 4 | 0 | 4 | 104 | 1 |
| CEDAR OIL COMPANY | 4 | 1 | 0 | 59 | 2 |
| CRIMSON ENERGY PARTNERS IV, LLC | 4 | 0 | 4 | 182 | 1 |
| 1920 ENERGY, LLC | 4 | 4 | 4 | — | 1 |
| DALLAS PETROLEUM GROUP, LLC | 4 | 1 | 1 | 150 | 4 |
| FIELD PETROLEUM CORP. | 4 | 0 | 0 | 55 | 3 |
| FORGE ENERGY, LLC | 4 | 0 | 4 | 10 | 2 |
| GUIDANCE OIL DEVELOPERS,INC.(1) | 4 | 2 | 0 | 76 | 2 |
| IVORY ENERGY, LLC | 4 | 0 | 0 | 9 | 1 |
| JAMEX, INC. | 4 | 3 | 3 | 154 | 2 |
| KD ENERGY, LLC | 4 | 3 | 0 | 125 | 2 |
| KEBO OIL & GAS, INC. | 4 | 1 | 0 | 246 | 4 |
| LEGACY EXPLORATION, LLC I | 4 | 0 | 0 | 32 | 1 |
| MONGOOSE ENERGY, LLC | 4 | 3 | 4 | 14 | 1 |
| MOONTOWER RESOURCES OP, LLC | 4 | 0 | 4 | 40 | 1 |
| NBL PERMIAN LLC | 4 | 0 | 4 | — | 1 |
| O'BENCO, INC. | 4 | 0 | 4 | 47 | 2 |
| PILOT WATER GATH DELAWARE LLC | 4 | 2 | 0 | — | 1 |
| PREMIER MINERALS, INC. | 4 | 4 | 0 | 57 | 1 |
| PRIME OPERATING COMPANY | 4 | 3 | 3 | 890 | 2 |
| RKI EXPLORATION & PRODUCTION LLC | 4 | 0 | 4 | 65 | 2 |
| S.B. STREET OPERATING, INC. | 4 | 0 | 0 | 444 | 2 |
| SEABOARD OPERATING CO. | 4 | 1 | 0 | 252 | 2 |
| SMITH ENERGY OPERATING COMPANY | 4 | 0 | 0 | 67 | 3 |
| SOUTHWEST OPERATING, INC.-TYLER | 4 | 0 | 1 | 158 | 4 |
| SPRI OIL & GAS, LLC | 4 | 0 | 0 | 1 | 1 |
| STAR PRODUCTION, INC. | 4 | 3 | 0 | 131 | 1 |
| ABB OIL CO., INC. | 3 | 0 | 0 | 81 | 2 |
| ALLEGIANT RESOURCES, LLC | 3 | 0 | 2 | 79 | 2 |
| AMBLE PETROLEUM CO., INC. | 3 | 0 | 0 | 6 | 1 |
| ARES ENERGY, LTD. | 3 | 1 | 3 | 89 | 1 |
| BAR L PRODUCERS | 3 | 0 | 0 | 852 | 1 |
| BLS PRODUCTION CO., INC. | 3 | 2 | 0 | 301 | 1 |
| BOAZ ENERGY II OPERATING, LLC | 3 | 0 | 0 | 556 | 1 |
| BRAMMER ENGINEERING, INC. | 3 | 0 | 2 | 38 | 2 |
| BREITBURN OPERATING L.P. | 3 | 0 | 2 | 886 | 2 |
| EHVI EXPLORATION, LLC | 3 | 0 | 3 | — | 2 |
| TRAILBLAZER ENERGY RESOURCES,LLC | 3 | 3 | 3 | — | 1 |
| BANDERA EAGLE FORD, LLC | 3 | 3 | 3 | — | 1 |
| MBX OPERATING LLC | 3 | 1 | 2 | — | 1 |
| EXXONMOBIL LOW C SOL ON STOR LLC | 3 | 3 | 0 | — | 3 |
| P & F OPERATING, LLC | 3 | 3 | 0 | — | 1 |
| AGIS ENERGY LLC | 3 | 3 | 3 | — | 1 |
| NORTHSTAR RESOURCES, LLC | 3 | 3 | 3 | — | 1 |
| OIL CAPITAL OPERATING, LLC | 3 | 3 | 2 | — | 1 |
| NORTH TEXAS CARBON, LLC | 3 | 3 | 0 | — | 1 |
| BULL RUN RESOURCES, LLC | 3 | 3 | 3 | — | 2 |
| CARR RESOURCES, INC. | 3 | 0 | 3 | 25 | 1 |
| CHEYENNE PETROLEUM COMPANY | 3 | 0 | 3 | 132 | 1 |
| COLUMBUS ENERGY, LLC | 3 | 2 | 0 | 491 | 2 |
| COMMON DISPOSAL, LLC | 3 | 3 | 0 | 3 | 2 |
| CROCKETT OPERATING, LLC | 3 | 0 | 0 | — | 1 |
| CROSS TIMBERS ENERGY, LLC | 3 | 0 | 0 | 765 | 1 |
| DDD EXPLORATION, INC. | 3 | 1 | 0 | 9 | 2 |
| DAHCO OPERATING, LLC | 3 | 1 | 1 | — | 3 |
| DAVIS OPERATING COMPANY, INC. | 3 | 0 | 0 | 7 | 2 |
| DORADO OFFSHORE, LLC | 3 | 0 | 0 | 34 | 1 |
| DRUM OIL & GAS, INC. | 3 | 0 | 0 | 47 | 1 |
| EL PASO NATURAL GAS CO, L.L.C. | 3 | 0 | 0 | — | 1 |
| ESCO OIL OPERATING COMPANY LLC | 3 | 0 | 0 | 59 | 1 |
| EXL PETROLEUM OPERATING INC. | 3 | 0 | 3 | 5 | 1 |
| FIRST ROCK, INC. | 3 | 0 | 1 | 51 | 3 |
| FORTAY, INC. | 3 | 2 | 2 | 67 | 1 |
| FOUNDATION ENERGY MANAGEMENT LLC | 3 | 1 | 0 | 271 | 2 |
| G & F OIL, INC. | 3 | 2 | 1 | 252 | 2 |
| GEOSURVEYS, INC. | 3 | 2 | 0 | 31 | 3 |
| GREAT WESTERN DRILLING COMPANY | 3 | 0 | 0 | 625 | 2 |
| HW OPERATING, LLC | 3 | 0 | 0 | 38 | 3 |
| HWH PRODUCTION, LLC | 3 | 0 | 0 | 126 | 1 |
| HANNATHON PETROLEUM, LLC | 3 | 0 | 1 | 154 | 2 |
| HEADINGTON ENERGY PARTNERS, LLC | 3 | 0 | 0 | 161 | 2 |
| HYDROCARBON OPERATING, INC. | 3 | 3 | 0 | 26 | 2 |
| ICS ENERGY LLC | 3 | 0 | 0 | 6 | 1 |
| JM CALK OPERATING, LLC | 3 | 3 | 0 | 56 | 1 |
| KINGWOOD EXPLORATION LLC | 3 | 2 | 0 | 182 | 2 |
| LAKOTA ENERGY, LTD. | 3 | 3 | 3 | 100 | 1 |
| LATIGO PETROLEUM, LLC | 3 | 0 | 3 | 810 | 1 |
| LEWIS OPERATING COMPANY | 3 | 3 | 0 | 142 | 1 |
| LMH ENERGY | 3 | 0 | 0 | 193 | 2 |
| LONE STAR NGL MONT BELVIEU LP | 3 | 0 | 0 | 64 | 3 |
| LRR PECOS VALLEY, LLC | 3 | 0 | 3 | — | 2 |
| M.A.R.S. ENERGY | 3 | 3 | 3 | 1 | 1 |
| NORTHLAND PETROLEUM, INC. | 3 | 0 | 0 | — | 1 |
| ONEOK WEST TX NGL PL, L.L.C. | 3 | 3 | 0 | — | 2 |
| PANTERA ENERGY COMPANY | 3 | 1 | 0 | 1,426 | 3 |
| PETROQUEST ENERGY, L.L.C. | 3 | 0 | 3 | 66 | 1 |
| PLAINS PIPELINE L.P. | 3 | 0 | 0 | 3 | 1 |
| POWDER RIVER RESOURCES, LLC | 3 | 3 | 0 | — | 1 |
| PROTEGE ENERGY III LLC | 3 | 0 | 3 | 147 | 1 |
| PROVIDENCE OPERATING, LLC | 3 | 0 | 3 | — | 1 |
| PT PETROLEUM, LLC | 3 | 0 | 3 | — | 2 |
| PV OIL SERVICES, LLC | 3 | 0 | 0 | 9 | 2 |
| RIDGE OIL COMPANY | 3 | 1 | 0 | 388 | 1 |
| RINGO RIG LLC | 3 | 0 | 0 | 28 | 1 |
| ROGERS, S. K. OIL, INC. | 3 | 1 | 0 | 260 | 1 |
| RUTHSON ENERGY, INC. | 3 | 3 | 0 | 11 | 3 |
| SANTA ROSA OPERATING, LLC | 3 | 0 | 0 | 14 | 1 |
| SEEK ENERGY, LLC | 3 | 0 | 0 | 8 | 1 |
| SHELBY OPERATING COMPANY | 3 | 3 | 0 | 64 | 1 |
| SPIRIT O&G OPERATING, LLC | 3 | 0 | 3 | — | 1 |
| STOVALL OPERATING CO. | 3 | 1 | 0 | 252 | 1 |
| SUNOCO PIPELINE L.P. | 3 | 0 | 0 | — | 2 |
| SYDRI OPERATING, LLC | 3 | 2 | 2 | 73 | 2 |
| TARGA DOWNSTREAM LLC | 3 | 0 | 0 | 59 | 2 |
| TDC ENGINEERING, INC. | 3 | 3 | 0 | 84 | 1 |
| TGNR EAST TEXAS LLC | 3 | 0 | 0 | — | 2 |
| TRACKER RESOURCE DEV III, LLC | 3 | 0 | 3 | 125 | 1 |
| TRIGO OIL AND GAS, LLC | 3 | 0 | 3 | — | 1 |
| VALPOINT OPERATING, LLC | 3 | 0 | 0 | 2 | 1 |
| VINLAND TEXAS SERVICES LLC | 3 | 0 | 0 | 3,252 | 2 |
| VIPER S.W.D., LLC | 3 | 1 | 0 | 61 | 3 |
| WALSH PETROLEUM, INC. | 3 | 0 | 3 | 796 | 1 |
| WEATHERS EXPLORATION, INC. | 3 | 1 | 0 | 42 | 2 |
| WILCOX PETROLEUM OPERATING LLC. | 3 | 2 | 0 | 50 | 1 |
| WILLIAMS OIL COMPANY | 3 | 1 | 0 | 180 | 1 |
| WOLF ENERGY, INC. | 3 | 0 | 0 | 19 | 1 |
| ZACHRY EXPLORATION, LLC | 3 | 1 | 0 | 29 | 3 |
| ABACO OPERATING, LLC | 2 | 1 | 0 | 53 | 2 |
| ABRAXAS PETROLEUM CORPORATION | 2 | 0 | 2 | 208 | 1 |
| ACADIA OIL, LLC | 2 | 0 | 0 | 548 | 1 |
| AEC OPERATING COMPANY | 2 | 0 | 0 | 3 | 1 |
| ARETE OPERATING COMPANY, LLC | 2 | 2 | 1 | 55 | 1 |
| ARROW OIL & GAS, LLC | 2 | 2 | 0 | 41 | 1 |
| ATLAS EAGLE FORD OPER CO, LLC | 2 | 0 | 2 | — | 1 |
| BARRON PETROLEUM LLC | 2 | 0 | 0 | 48 | 1 |
| BEREN CORPORATION | 2 | 2 | 0 | 209 | 1 |
| BEREXCO LLC | 2 | 2 | 0 | 68 | 2 |
| BERYL OIL AND GAS, LP | 2 | 2 | 1 | — | 1 |
| BEST PETROLEUM EXPLORATIONS,INC. | 2 | 0 | 0 | 131 | 1 |
| BETRO, INC. | 2 | 0 | 0 | 133 | 1 |
| BIG COUNTRY PIPE & SUPPLY, INC. | 2 | 0 | 0 | 128 | 1 |
| BIG MOUNTAIN OPERATING LLC | 2 | 1 | 0 | 2 | 1 |
| BLACK SWAN OPERATING, LLC | 2 | 0 | 0 | 89 | 1 |
| BLUEFIN RESOURCES LLC | 2 | 0 | 0 | 62 | 1 |
| BONFIRE OPERATING LLC | 2 | 2 | 0 | 78 | 1 |
| BROAD OAK ENERGY II, LLC | 2 | 0 | 2 | 2 | 1 |
| BROWN, GEO. R PARTNERSHIP,LP,THE | 2 | 0 | 0 | 752 | 1 |
| MB ENERGY, LLC | 2 | 1 | 0 | — | 2 |
| CASTLEROCK EF OPERATING LLC | 2 | 0 | 2 | — | 1 |
| BB-SOUTHTEX, LLC | 2 | 0 | 2 | — | 1 |
| NOKOTA ENERGY CORPORATION | 2 | 0 | 1 | — | 1 |
| RIO GRANDE E&P II, LLC | 2 | 2 | 2 | — | 1 |
| BKV DCARBON VENTURES, LLC | 2 | 1 | 0 | — | 2 |
| MARTIS VALLEY ENERGY, LLC | 2 | 0 | 0 | — | 1 |
| GOLDEN TRIANGLE STORAGE, LLC | 2 | 2 | 0 | — | 1 |
| TBM CATARINA, LLC | 2 | 2 | 2 | — | 1 |
| BRUINGTON OPERATING II, LLC | 2 | 1 | 0 | — | 2 |
| KODIAK OIL & GAS, INC. | 2 | 2 | 0 | — | 2 |
| KEK EXPLORATION LLC | 2 | 2 | 0 | — | 1 |
| ONEMORETIME, LLC | 2 | 2 | 0 | — | 1 |
| YOST EXPLORATION AND PRODUCTION | 2 | 2 | 0 | — | 1 |
| OUTLAW WATER SERVICES LLC | 2 | 2 | 0 | — | 1 |
| OXBOW EP LLC | 2 | 1 | 0 | — | 1 |
| SWORDFISH ENERGY OPERATING, LLC | 2 | 2 | 2 | — | 1 |
| MAGNETAR OPERATING LLC | 2 | 2 | 0 | — | 2 |
| PICKTON GAS STORAGE LLC | 2 | 2 | 2 | — | 1 |
| BURNETT OIL CO., INC. | 2 | 0 | 0 | 133 | 1 |
| C6 OPERATING, L.L.C. | 2 | 1 | 1 | 13 | 2 |
| CHISHOLM OPERATING, INC. | 2 | 1 | 0 | 83 | 2 |
| CHOICE EXPLORATION, INC. | 2 | 0 | 0 | 33 | 1 |
| CITATION OIL & GAS CORP. | 2 | 0 | 0 | 1,985 | 1 |
| CLEAR BROOKE RANCHES, LLC | 2 | 0 | 0 | 7 | 2 |
| COMAL OPERATING LLC | 2 | 2 | 0 | — | 1 |
| COMSTOCK ENERGY, LLC | 2 | 0 | 2 | 84 | 1 |
| CORY, KENNETH W. LTD. | 2 | 2 | 0 | 2 | 1 |
| COVEY PARK RESOURCES LLC | 2 | 0 | 2 | 1 | 1 |
| CPB WATER LLC | 2 | 0 | 0 | 1 | 1 |
| CRATON OPERATING LLC | 2 | 1 | 0 | 58 | 2 |
| CRIMSON EXPLORATION OPER., INC. | 2 | 0 | 1 | 98 | 1 |
| DOUGHTIE OPERATING COMPANY, LLC | 2 | 0 | 0 | 2 | 1 |
| DUNCAN OIL PROPERTIES, INC. | 2 | 1 | 2 | 15 | 1 |
| EASTLAND OIL COMPANY, THE | 2 | 1 | 0 | 41 | 2 |
| ERGON ENERGY PARTNERS, L.P. | 2 | 0 | 2 | 43 | 1 |
| EQUINOR TEXAS ONSHORE PROP LLC | 2 | 0 | 2 | — | 1 |
| FELTY DRILLING CO. INC | 2 | 1 | 0 | 103 | 1 |
| FLAT CREEK RESOURCES, LLC | 2 | 0 | 2 | 6 | 1 |
| FORGE ENERGY OPERATING, LLC | 2 | 0 | 2 | — | 1 |
| FORTRESS OPERATING COMPANY LLC | 2 | 0 | 0 | — | 1 |
| FRIO RESOURCES, LLC | 2 | 1 | 0 | 15 | 2 |
| GREEN CENTURY EXP & PROD, LLC | 2 | 1 | 0 | 33 | 2 |
| GRIFFIN PETROLEUM COMPANY | 2 | 2 | 0 | 79 | 1 |
| GUIDANCE OIL DEVELOPERS | 2 | 0 | 0 | 183 | 1 |
| HALVEY ENERGY, LLC | 2 | 0 | 0 | 38 | 1 |
| HAMILTON, CLAY | 2 | 1 | 1 | 13 | 2 |
| HEXP OPERATING, LLC | 2 | 0 | 0 | 412 | 2 |
| HIGH ROLLER WELLS, L.L.C. | 2 | 0 | 0 | 2 | 2 |
| HIGH RIVER RES OPERATING, LLC | 2 | 1 | 0 | 217 | 1 |
| HURD ENTERPRISES, LTD. | 2 | 2 | 0 | 83 | 2 |
| IMPETRO OPERATING LLC | 2 | 0 | 1 | 53 | 1 |
| INLAND OCEAN, INC. | 2 | 0 | 0 | 63 | 2 |
| INTERSTATE EXPLORATIONS LLC | 2 | 0 | 0 | 128 | 2 |
| JMH PRODUCTION, LLC | 2 | 1 | 0 | 20 | 2 |
| JOHNSON & MORRIS | 2 | 0 | 0 | 35 | 1 |
| JOINT RESOURCES COMPANY | 2 | 0 | 2 | 66 | 1 |
| KINDER MORGAN TEXAS PIPELINE LLC | 2 | 1 | 0 | 4 | 2 |
| LP OPERATING, LLC | 2 | 1 | 0 | 20 | 2 |
| LAYLINE ENERGY I LLC | 2 | 0 | 0 | — | 1 |
| LEFT BEHIND RECOVERY, LLC | 2 | 1 | 0 | 33 | 1 |
| LEWIS HEIRS 480, LLC | 2 | 0 | 0 | 27 | 1 |
| LLOX, L.L.C. | 2 | 0 | 0 | 5 | 2 |
| LOCIN OIL CORPORATION | 2 | 0 | 2 | 11 | 1 |
| MACHIN & ASSOCIATES, INC. | 2 | 1 | 0 | 35 | 2 |
| MAGELLAN OPERATING COMPANY, LLC | 2 | 0 | 0 | — | 2 |
| MARSHALL R. YOUNG OPERATING, LLC | 2 | 0 | 0 | 8 | 1 |
| MEDDERS OIL COMPANY, INC. | 2 | 1 | 0 | 180 | 1 |
| MILLENNIUM EXPLORATION CO. LLC | 2 | 0 | 1 | 11 | 1 |
| MUD CREEK OPERATING, LLC | 2 | 1 | 0 | 11 | 2 |
| MWS PRODUCING, INC. | 2 | 0 | 0 | 47 | 1 |
| NKC ENERGY, LLC | 2 | 0 | 0 | 2 | 1 |
| NADSOILCO LLC | 2 | 0 | 0 | 21 | 1 |
| NAVIDAD OPERATING COMPANY, LLC | 2 | 0 | 1 | 1 | 1 |
| NILE MIDSTREAM, LLC | 2 | 2 | 0 | — | 1 |
| NOG PRODUCTION & OPERATING LLC | 2 | 1 | 0 | 45 | 2 |
| OIL PROJECTS, LLC | 2 | 0 | 0 | 8 | 2 |
| OILWELL TECH & ENHANCEMENT, CO. | 2 | 0 | 1 | — | 1 |
| OKIE OPERATING COMPANY, LTD. | 2 | 2 | 0 | 28 | 1 |
| OLSEN ENERGY INC. | 2 | 2 | 0 | 282 | 1 |
| ON POINT OILFIELD OPERATIONS LLC | 2 | 0 | 0 | 15 | 1 |
| 1849 ENERGY PARTNERS OPRTNG, LLC | 2 | 0 | 2 | 251 | 1 |
| PK GATH & OILFIELD SVCS, INC. | 2 | 0 | 0 | 53 | 1 |
| PATTON EXPLORATION, INC. | 2 | 1 | 1 | 116 | 2 |
| PECOS COUNTRY OPERATING INC. | 2 | 1 | 0 | 48 | 1 |
| PINE WAVE ENERGY PARTNERS OP,LLC | 2 | 2 | 2 | 4 | 2 |
| PINTO ENERGY PTRS - STG 1, LLC | 2 | 0 | 0 | — | 1 |
| PRESIDIO PETROLEUM LLC | 2 | 0 | 0 | 1,221 | 2 |
| PRODUCTION RESOURCES, INC. | 2 | 0 | 1 | 535 | 2 |
| RADCO OPERATIONS, L.P. | 2 | 0 | 0 | 346 | 1 |
| REED PRODUCTION, INC. | 2 | 0 | 0 | 110 | 2 |
| RELIANCE ENERGY, INC. | 2 | 0 | 1 | 84 | 1 |
| REMORA MANAGEMENT, LLC | 2 | 2 | 0 | 110 | 1 |
| REO OPERATING LLC | 2 | 0 | 0 | 56 | 1 |
| RHEACO OIL COMPANY, LTD. | 2 | 2 | 0 | 201 | 1 |
| RICOCHET ENERGY, INC. | 2 | 2 | 0 | 47 | 1 |
| ROBERTS & HAMMACK INC. | 2 | 0 | 0 | 122 | 2 |
| ROCKING R INVESTMENTS, INC. | 2 | 0 | 2 | 67 | 1 |
| ROGERS DRILLING CO., INC. | 2 | 1 | 0 | 84 | 1 |
| RUSK ENERGY OPERATING LLC | 2 | 1 | 0 | 47 | 2 |
| S&G OIL LLC | 2 | 0 | 0 | 227 | 1 |
| SABLE PERMIAN RESOURCES, LLC | 2 | 0 | 2 | 852 | 1 |
| SADDLE RIM ENERGY (TEXAS), LLC | 2 | 2 | 0 | 27 | 1 |
| SADDLEBACK EXPLORATION, LLC | 2 | 0 | 2 | — | 1 |
| SANDEL OPERATING COMPANY | 2 | 0 | 0 | 88 | 2 |
| SANGUINE GAS EXPLORATION, LLC | 2 | 2 | 2 | 100 | 1 |
| SCHALK OIL COMPANY, INC. | 2 | 1 | 0 | 58 | 1 |
| SHELDON RESOURCES, L.P. | 2 | 0 | 0 | 51 | 1 |
| SHORE PETROLEUM CORP. | 2 | 2 | 0 | — | 2 |
| SILVER CREEK OIL & GAS, LLC | 2 | 0 | 1 | 246 | 2 |
| SILTSTONE RESOURCES OP II, LLC | 2 | 0 | 2 | 8 | 1 |
| SILVER CREEK PERMIAN OP CO, LLC | 2 | 0 | 2 | 30 | 1 |
| SMALL, R.P. CORP. | 2 | 0 | 0 | 6 | 1 |
| SMITH PRODUCTION INC. | 2 | 0 | 0 | 639 | 2 |
| SQUARE MILE ENERGY, L.L.C. | 2 | 0 | 0 | 65 | 2 |
| STAMPER OPERATING CO., INC. | 2 | 0 | 0 | 196 | 1 |
| STRAWN PARTNERS OPERATING, LLC | 2 | 0 | 0 | 11 | 2 |
| SUNDOWN ENERGY LP | 2 | 0 | 0 | 339 | 1 |
| SUNLIGHT EXPLORATION, INC. | 2 | 2 | 0 | 35 | 2 |
| T W CLEMONS OPERATING CO., LLC | 2 | 1 | 0 | 9 | 1 |
| TAG OPERATING COMPANY, INC. | 2 | 0 | 0 | 17 | 2 |
| TALL CITY BRINE LLC | 2 | 1 | 0 | 23 | 2 |
| TANGLEWOOD OIL & GAS CO. | 2 | 0 | 0 | 8 | 1 |
| TEAL EXPLORATION, LLC | 2 | 0 | 0 | 5 | 2 |
| TEJAS PERMIAN OPERATING, LLC | 2 | 0 | 0 | — | 1 |
| TEXAKOMA E & P, LLC | 2 | 2 | 0 | 45 | 1 |
| TETTLETON, STEVEN B. | 2 | 0 | 0 | 110 | 1 |
| TEXAS SECONDARY OIL CORPORATION | 2 | 0 | 0 | 642 | 2 |
| THREE RIVERS OPER CO III LLC | 2 | 0 | 1 | 2 | 1 |
| TOP OP, L.L.C. | 2 | 0 | 0 | 2 | 1 |
| TREADSTONE ENERGY PRTNR OP, LLC | 2 | 0 | 1 | 96 | 1 |
| TREK RESOURCES, INC. | 2 | 2 | 0 | 533 | 1 |
| TRIVIUM OPERATING, LLC | 2 | 0 | 0 | 241 | 1 |
| TROUBADOUR OPERATING, LLC | 2 | 0 | 2 | — | 1 |
| TTK ENERGY LLC | 2 | 2 | 0 | 7 | 1 |
| UPLAND RESOURCES LLC | 2 | 1 | 0 | 52 | 2 |
| V & H OIL, L.P. | 2 | 2 | 0 | 784 | 1 |
| VANTAGE OPERATING, LLC | 2 | 0 | 0 | 15 | 2 |
| VENTANA MIDSTREAM LLC | 2 | 2 | 0 | — | 2 |
| VICEROY PETROLEUM, LP | 2 | 0 | 0 | 453 | 1 |
| VX OPERATING, LLC | 2 | 2 | 0 | 9 | 1 |
| WALTER OIL & GAS CORPORATION | 2 | 0 | 2 | 26 | 2 |
| WHEELER OPERATING CORPORATION | 2 | 0 | 0 | 124 | 1 |
| WHITE OAK OPERATING COMPANY LLC | 2 | 0 | 2 | 622 | 1 |
| WHITE KNIGHT PRODUCTION LLC | 2 | 0 | 0 | 1,171 | 2 |
| WHITT INVESTMENTS, INC. | 2 | 0 | 0 | — | 1 |
| WILLOWBEND INVESTMENTS, INC. | 2 | 1 | 0 | 471 | 1 |
| WINCHESTER ENERGY, LLC | 2 | 0 | 1 | 6 | 1 |
| WISHBONE TEXAS OPERATING CO LLC | 2 | 0 | 2 | 6 | 1 |
| 323 EXPLORATION, LLC | 2 | 0 | 2 | — | 1 |
| ADVENTURE OPERATING COMPANY, LLC | 1 | 0 | 1 | 6 | 1 |
| ADVANTEK WASTE MGMT SERVICES LLC | 1 | 0 | 0 | 2 | 1 |
| AMARILLO EXPLORATION, INC. | 1 | 0 | 0 | 42 | 1 |
| AMERICAN RESOURCES, INC. | 1 | 0 | 0 | 9 | 1 |
| AMEXCO, LLC | 1 | 1 | 0 | 9 | 1 |
| AMHERST ENERGY HOLDINGS, LLC | 1 | 0 | 0 | 12 | 1 |
| AMPAK OIL COMPANY | 1 | 1 | 0 | 96 | 1 |
| AMPLIFY ENERGY OPERATING LLC | 1 | 0 | 0 | 840 | 1 |
| AP OPERATING, INC. | 1 | 0 | 1 | 14 | 1 |
| ARCOOIL CORP | 1 | 0 | 0 | 130 | 1 |
| ASPECT ENERGY, LLC | 1 | 0 | 0 | 26 | 1 |
| ASSENT ENERGY PARTNERS, LLC | 1 | 0 | 1 | 52 | 1 |
| ATOKA OPERATING, INC. | 1 | 0 | 0 | 83 | 1 |
| ATOKA OPERATING PERMIAN, LLC | 1 | 0 | 0 | 70 | 1 |
| B D PRODUCTION CO., INC. | 1 | 0 | 0 | 93 | 1 |
| BAKER OIL, INC | 1 | 0 | 0 | — | 1 |
| BANNER OPERATING, LLC | 1 | 0 | 0 | 69 | 1 |
| BARBEE, R.L. OPERATING, INC. | 1 | 1 | 0 | 2 | 1 |
| BASIC ENERGY SERVICES, L.P. | 1 | 0 | 0 | 86 | 1 |
| BASTROP ENERGY GROUP | 1 | 0 | 0 | 4 | 1 |
| BAYSHORE OPERATING CORP., L.L.C. | 1 | 0 | 1 | 6 | 1 |
| BBL OPERATING COMPANY LLC | 1 | 1 | 1 | 8 | 1 |
| BEACON E&P RESOURCES, LLC | 1 | 0 | 0 | — | 1 |
| BEAR SPRINGS OIL & GAS, L.L.C | 1 | 0 | 0 | 12 | 1 |
| BEND PETROLEUM CORP. | 1 | 0 | 0 | 62 | 1 |
| BESCO OPERATING, L.P. | 1 | 0 | 0 | 24 | 1 |
| BIG LAKE CORPORATION | 1 | 0 | 0 | 19 | 1 |
| BKJ OIL, LLC | 1 | 0 | 0 | 46 | 1 |
| BLACK GOLD PETROLEUM, LLC | 1 | 0 | 0 | 1 | 1 |
| BLACK GOLD OPERATING CO, LLC | 1 | 0 | 0 | 150 | 1 |
| BRA-DE OIL & GAS OPERATING, LLC | 1 | 0 | 0 | 29 | 1 |
| BRG LONE STAR LTD. | 1 | 0 | 0 | 385 | 1 |
| BRIGHAM OPERATING, LLC | 1 | 0 | 1 | — | 1 |
| BROWER OIL & GAS CO., INC. | 1 | 0 | 0 | 97 | 1 |
| MORNINGSTAR OPERATING LLC | 1 | 0 | 0 | — | 1 |
| TISCHER ENERGY, LLC | 1 | 1 | 0 | — | 1 |
| BROWN, H.L. OPERATING, L.L.C. | 1 | 1 | 0 | 85 | 1 |
| LAGOON WATER MANAGEMENT, LLC | 1 | 0 | 0 | — | 1 |
| MAVERICK PERMIAN LLC | 1 | 0 | 0 | — | 1 |
| GULF STATES OPERATING, LLC | 1 | 0 | 0 | — | 1 |
| PERFORMANCE OPERATING PARTNERS, | 1 | 1 | 1 | — | 1 |
| ALVARADO 2014 LLC | 1 | 1 | 1 | — | 1 |
| SNR OPERATING, LLC | 1 | 1 | 0 | — | 1 |
| STONEHILL DAWSON, LLC | 1 | 1 | 0 | — | 1 |
| PLAINS PIPELINE MIDCON LLC | 1 | 0 | 0 | — | 1 |
| HET LEVELLAND, LLC | 1 | 1 | 0 | — | 1 |
| WATT ENERGY, LLC | 1 | 0 | 0 | — | 1 |
| TRIAD O&G, LLC | 1 | 1 | 0 | — | 1 |
| ILEX ENERGY CORPORATION | 1 | 1 | 0 | — | 1 |
| TV OPERATING, LLC | 1 | 0 | 0 | — | 1 |
| HOLLADAY #2, LLC | 1 | 1 | 0 | — | 1 |
| DE IV FLOW, LLC | 1 | 1 | 0 | — | 1 |
| WMO OIL, LLC | 1 | 1 | 0 | — | 1 |
| BLACKFLAT OIL COMPANY LLC | 1 | 1 | 0 | — | 1 |
| MMGL TXPH, LLC | 1 | 1 | 0 | — | 1 |
| BLACK GOLD INDUSTRIES OPRTNG LLC | 1 | 1 | 0 | — | 1 |
| SELECT WATER SOLUTIONS, LLC | 1 | 1 | 0 | — | 1 |
| GULF RESOURCE RECOVERY CORP. | 1 | 1 | 0 | — | 1 |
| MAMMOTH OPERATING LLC | 1 | 1 | 0 | — | 1 |
| HOPE MIDSTREAM LLC | 1 | 1 | 0 | — | 1 |
| PETX OPERATING LLC | 1 | 1 | 0 | — | 1 |
| SUEMAUR OPERATING LLC | 1 | 1 | 0 | — | 1 |
| THERON ENERGY OPERATING, LLC | 1 | 1 | 1 | — | 1 |
| HOMINY CONSULTING, LLC | 1 | 1 | 0 | — | 1 |
| GUARDIAN OPERATING LLC | 1 | 1 | 0 | — | 1 |
| STRIKE OPERATING COMPANY LLC | 1 | 1 | 0 | — | 1 |
| PECOS VALLEY OPERATING INC. | 1 | 1 | 0 | — | 1 |
| EXPAND OPERATING LLC | 1 | 1 | 0 | — | 1 |
| PINON OPERATING II, LLC | 1 | 1 | 1 | — | 1 |
| APPALOOSA OIL & GAS LLC | 1 | 1 | 1 | — | 1 |
| BUONADONNA OIL LLC | 1 | 1 | 0 | — | 1 |
| RIGGINS ENERGY, INC. | 1 | 1 | 0 | — | 1 |
| BLOCK T OPERATING (TEXAS), LLC | 1 | 1 | 0 | — | 1 |
| GO OPCO T LLC | 1 | 1 | 0 | — | 1 |
| IRONBLOOM OPERATING, LLC | 1 | 1 | 1 | — | 1 |
| GOOD NEWS RESOURCES, LLC | 1 | 1 | 0 | — | 1 |
| REDEMPTION RANCH OIL & GAS LLC | 1 | 1 | 0 | — | 1 |
| NODDING DONKEY RESOURCES LLC | 1 | 1 | 0 | — | 1 |
| ESTACADO RESOURCES, LLC | 1 | 1 | 0 | — | 1 |
| OUT WEST OPERATING, LLC | 1 | 1 | 0 | — | 1 |
| NECHES BEND RESOURCES, LLC | 1 | 1 | 0 | — | 1 |
| BURLESON PETROLEUM, INC. | 1 | 1 | 1 | 56 | 1 |
| C & E OPERATING, INC. | 1 | 0 | 0 | 184 | 1 |
| CHOYA OPERATING, LLC | 1 | 1 | 0 | 5 | 1 |
| CIVRON PETROLEUM RES., LLC | 1 | 0 | 0 | 125 | 1 |
| CAMERON EXPLORATION, INC. | 1 | 1 | 0 | 14 | 1 |
| CAPITAL STAR OIL & GAS, INC. | 1 | 0 | 0 | 89 | 1 |
| CAPROCK FIELD SERVICES LLC | 1 | 0 | 0 | — | 1 |
| CAPSTONE NATURAL RES II, LLC | 1 | 0 | 1 | 4 | 1 |
| CARAWAY, ROBERT | 1 | 1 | 0 | 1 | 1 |
| CARBURANTE EXPLORATION CO, LTD. | 1 | 0 | 0 | 6 | 1 |
| CARIBOU OPERATING, INC. | 1 | 1 | 0 | 29 | 1 |
| CARSON BUCKLES EXPLORATION LLC | 1 | 1 | 0 | 3 | 1 |
| CHALLENGER ENERGY SVCS CO., LLC | 1 | 0 | 1 | 1 | 1 |
| CHAMPION LONE STAR OPERATING,LLC | 1 | 0 | 0 | — | 1 |
| CHISOS, LTD. | 1 | 1 | 0 | 70 | 1 |
| CHURCHILL OPERATING, LLC | 1 | 0 | 1 | 5 | 1 |
| CICO OIL & GAS COMPANY | 1 | 0 | 0 | 89 | 1 |
| CINCO NATURAL RESOURCES CORP. | 1 | 0 | 0 | 38 | 1 |
| CINNABAR OPERATING, LLC | 1 | 0 | 0 | 21 | 1 |
| CITGO REF. & CHEMICALS CO. L.P. | 1 | 0 | 0 | — | 1 |
| CLAUSEN, A. G. | 1 | 1 | 0 | 47 | 1 |
| COBRA OIL & GAS CORPORATION | 1 | 0 | 0 | 205 | 1 |
| COMPASS ENERGY OPERATING, LLC | 1 | 0 | 0 | 468 | 1 |
| COPESTONE OPERATING, LLC | 1 | 0 | 1 | 13 | 1 |
| CRAAYBEEK'S PRO ENERGY, L.L.C. | 1 | 0 | 0 | 1 | 1 |
| CRAIG, CARL | 1 | 0 | 0 | 50 | 1 |
| D.J. & T. ENERGY | 1 | 0 | 0 | 160 | 1 |
| DALLAS PRODUCTION COMPANY LLC | 1 | 0 | 0 | — | 1 |
| DALLAS PRODUCTION, INC. | 1 | 0 | 0 | 724 | 1 |
| DANMARK ENERGY SERVICES, INC. | 1 | 0 | 0 | 30 | 1 |
| DECKER OPERATING CO., L.L.C. | 1 | 0 | 0 | 100 | 1 |
| DEEP CREEK EXPLORATION LLC | 1 | 0 | 0 | 7 | 1 |
| DELEK CRUDE LOGISTICS, LLC | 1 | 1 | 0 | — | 1 |
| DE OPERATING LLC | 1 | 0 | 0 | 1 | 1 |
| DILLARD & DILLARD INC. | 1 | 0 | 0 | 124 | 1 |
| DJ EXPLORATION, INC. | 1 | 1 | 1 | 78 | 1 |
| DJ & T SERVICES, LLC | 1 | 0 | 0 | 46 | 1 |
| DOUBLE PLAY OIL & GAS, INC | 1 | 0 | 0 | 108 | 1 |
| DOVE CREEK ENERGY, INC. | 1 | 0 | 0 | 2 | 1 |
| DRAKE PETROLEUM, LLC | 1 | 0 | 0 | 61 | 1 |
| DRIFTWOOD ENERGY OPERATING, LLC | 1 | 0 | 1 | 14 | 1 |
| DYSON ENERGY OPERATING, LLC | 1 | 0 | 1 | 1 | 1 |
| EAGLE VALLEY DEVELOPMENT LLC | 1 | 0 | 1 | 9 | 1 |
| ECHO PRODUCTION, INC. | 1 | 0 | 0 | 344 | 1 |
| ELAND ENERGY, INC. | 1 | 0 | 0 | 69 | 1 |
| ELEMENT PETROLEUM OP III, LLC | 1 | 0 | 1 | 14 | 1 |
| ENDURANCE OIL & GAS, INC. | 1 | 0 | 0 | 5 | 1 |
| ENCO EXPLORATION COMPANY | 1 | 0 | 0 | 62 | 1 |
| ENERQUEST CORPORATION | 1 | 0 | 0 | 78 | 1 |
| ENSTOR KATY STORAGE & TRANSP LP | 1 | 0 | 1 | 15 | 1 |
| ETX ENERGY, LLC | 1 | 0 | 1 | 149 | 1 |
| EXXONMOBIL PIPELINE COMPANY | 1 | 0 | 0 | 7 | 1 |
| FAR WEST DEVELOPMENT, LLC | 1 | 0 | 0 | 1 | 1 |
| FELIX WATER, LLC | 1 | 0 | 0 | 32 | 1 |
| FLETCHER OPERATING, LLC | 1 | 0 | 0 | 180 | 1 |
| FORTUNA RESOURCES DVLPMENT, LLC | 1 | 0 | 1 | 36 | 1 |
| FUSSELMAN RESOURCES LLC | 1 | 0 | 1 | 11 | 1 |
| G. A. HAWKINS OPERATING, LLC | 1 | 0 | 0 | 50 | 1 |
| GAITHER PETROLEUM CORPORATION | 1 | 0 | 0 | 429 | 1 |
| GANNETT OPERATING LLC | 1 | 0 | 0 | 49 | 1 |
| GEOSOUTHERN ENERGY CORPORATION | 1 | 0 | 1 | 325 | 1 |
| GG OIL LLC | 1 | 0 | 0 | — | 1 |
| GLASSELL PRODUCING COMPANY, INC. | 1 | 0 | 0 | 26 | 1 |
| GO OIL CORP. | 1 | 0 | 0 | 67 | 1 |
| GOLDEN OIL AND RANCH, LLC | 1 | 0 | 0 | 68 | 1 |
| GREYSTONE PETROLEUM, LLC | 1 | 0 | 1 | 2 | 1 |
| GULFTEX ENERGY IV, LP | 1 | 0 | 1 | — | 1 |
| GUNGOLL, CARL E. EXPLORATION LLC | 1 | 0 | 1 | 94 | 1 |
| GUNN OIL COMPANY | 1 | 0 | 0 | 232 | 1 |
| HALLIBURTON ENERGY SERVICES, INC | 1 | 1 | 0 | 24 | 1 |
| HAMILTON PIPELINE, INC. | 1 | 0 | 0 | — | 1 |
| HAMMAN OIL & REFINING COMPANY | 1 | 0 | 0 | 344 | 1 |
| HANE POWER, L.L.C. | 1 | 0 | 0 | 42 | 1 |
| HARLETON OIL & GAS INC. | 1 | 0 | 0 | 102 | 1 |
| HARVEST PETROLEUM INC. | 1 | 0 | 0 | 5 | 1 |
| HIGHMARK ENERGY OPERATING, LLC | 1 | 0 | 0 | 53 | 1 |
| HILLCREST PETROLEUM, LLC | 1 | 0 | 0 | 11 | 1 |
| HOWITZER OPERATING, LLC | 1 | 0 | 0 | 3 | 1 |
| HUGHES, DAN A. COMPANY, L.P. | 1 | 0 | 0 | 138 | 1 |
| HUNTLAND PROPERTIES, LTD. | 1 | 0 | 0 | 16 | 1 |
| H2O MIDSTREAM PERMIAN LLC | 1 | 0 | 0 | 12 | 1 |
| J2R ENERGY, LLC | 1 | 1 | 0 | 2 | 1 |
| JETTA PERMIAN, LP | 1 | 0 | 1 | 11 | 1 |
| JILPETCO, INC. | 1 | 0 | 1 | 36 | 1 |
| JLW OPERATIONS, LLC | 1 | 1 | 0 | 18 | 1 |
| JM COX RESOURCES, L.P. | 1 | 0 | 0 | 167 | 1 |
| JTL OIL COMPANY LLC | 1 | 0 | 0 | 11 | 1 |
| JUNCTION RESOURCES OP, LLC | 1 | 1 | 0 | 1 | 1 |
| JUNO OPERATING COMPANY III, LLC | 1 | 0 | 0 | 496 | 1 |
| KOKOMO ENERGY, INC. | 1 | 0 | 0 | 94 | 1 |
| KORNYE-TILLMAN COMPANY | 1 | 1 | 0 | 65 | 1 |
| KROH OPERATING LLC | 1 | 0 | 0 | 5 | 1 |
| LANDMASTER PARTNERS, INC. | 1 | 0 | 0 | 38 | 1 |
| LAVANCO ENERGY, LTD. | 1 | 0 | 0 | 40 | 1 |
| LE NORMAN OPERATING LLC | 1 | 0 | 1 | 122 | 1 |
| LEBUS ENERGY | 1 | 1 | 0 | — | 1 |
| LECLAIR OPERATING, L.L.C. | 1 | 0 | 0 | 23 | 1 |
| LEDGER OPERATING CORPORATION | 1 | 0 | 0 | 9 | 1 |
| LEONARD BROTHERS OPERATING CO. | 1 | 0 | 0 | 76 | 1 |
| LERA | 1 | 0 | 0 | 113 | 1 |
| LEXGAS, INC. | 1 | 0 | 0 | 47 | 1 |
| LINDER, JOHN OPERATING CO., LLC | 1 | 0 | 0 | 729 | 1 |
| LOGAS ENERGY, LLC | 1 | 1 | 0 | 43 | 1 |
| LONESTAR OPERATING, LLC | 1 | 0 | 1 | 272 | 1 |
| LONGBRANCH ENERGY, LP | 1 | 1 | 0 | 3 | 1 |
| LONGFELLOW ENERGY, LP | 1 | 0 | 0 | 16 | 1 |
| LOUDON OPERATING COMPANY, L.L.C. | 1 | 0 | 0 | 12 | 1 |
| LYNCO OILFIELD SERVICES LLC | 1 | 1 | 0 | — | 1 |
| M & K OPERATING LLC | 1 | 0 | 0 | 138 | 1 |
| MPG PETROLEUM, INC. | 1 | 1 | 0 | 7 | 1 |
| MAGELLAN CRUDE OIL PL CO, L.P. | 1 | 0 | 0 | — | 1 |
| MAGNUM OPERATING, LLC | 1 | 1 | 0 | 7 | 1 |
| MARAN OIL COMPANY | 1 | 0 | 0 | 11 | 1 |
| MASH OILFIELD SERVICES, LP | 1 | 0 | 0 | 75 | 1 |
| MCGOWAN WORKING PARTNERS, INC. | 1 | 0 | 0 | 584 | 1 |
| MD AMERICA ENERGY, LLC | 1 | 0 | 1 | 233 | 1 |
| MEXTEX OPERATING COMPANY | 1 | 0 | 1 | 9 | 1 |
| MIDVILLE ENERGY, LLC. | 1 | 0 | 0 | 14 | 1 |
| MITCHELL EHRLICH OIL & GAS, LLC | 1 | 0 | 0 | 37 | 1 |
| MODERN EXPLORATION, INC. | 1 | 0 | 0 | 102 | 1 |
| MOMENTUM OPERATING CO., INC. | 1 | 0 | 0 | 869 | 1 |
| MOUNTAIN CREEK OIL COMPANY, INC. | 1 | 1 | 0 | 88 | 1 |
| MUELLER EXPLORATION, INC. | 1 | 0 | 0 | 52 | 1 |
| MUNSON, DAVID M. INC. | 1 | 1 | 0 | 27 | 1 |
| MUSTANG SWD OPERATING, LLC | 1 | 0 | 0 | 5 | 1 |
| NAUMANN OIL & GAS, INC. | 1 | 0 | 0 | 35 | 1 |
| NEW CENTURY EXPLORATION, INC. | 1 | 0 | 0 | 51 | 1 |
| NEW HORIZON GLOBAL, INC. | 1 | 0 | 0 | 4 | 1 |
| NORDSTRAND ENGINEERING, INC. | 1 | 0 | 0 | 106 | 1 |
| NORTH TEXAS ENERGY,INC. | 1 | 0 | 0 | 16 | 1 |
| NORTH TEXAS OIL & GAS, LLC | 1 | 0 | 0 | 25 | 1 |
| NORTHSTAR MIDSTREAM SERVICES CO | 1 | 0 | 0 | — | 1 |
| NOSIVAD OIL, INC. | 1 | 0 | 0 | 34 | 1 |
| NUSTAR LOGISTICS, L.P. | 1 | 0 | 0 | — | 1 |
| NYE EXPLORATION & PROD, L.L.C. | 1 | 0 | 0 | 5 | 1 |
| OJT, LLC | 1 | 0 | 0 | 11 | 1 |
| OBLAEN RESOURCES LLC | 1 | 0 | 0 | 13 | 1 |
| OKLATEX ENERGY, INC. | 1 | 0 | 0 | 20 | 1 |
| OLIFANT ENERGY LLC | 1 | 0 | 1 | — | 1 |
| OVERFLOW ENERGY PERMIAN, LLC | 1 | 1 | 0 | 4 | 1 |
| OVERLAND OPERATING COMPANY, LLC | 1 | 0 | 0 | 78 | 1 |
| OVERTON PARK OIL & GAS LP | 1 | 0 | 0 | 139 | 1 |
| PALADIN PETROLEUM III, L.L.C. | 1 | 1 | 0 | 19 | 1 |
| PALMER OPERATING LLC | 1 | 1 | 0 | — | 1 |
| PALMER, MIKE OIL | 1 | 0 | 0 | 114 | 1 |
| PANHANDLE OIL AND GAS LLC | 1 | 0 | 0 | — | 1 |
| PARALLEL PETROLEUM LLC | 1 | 0 | 1 | 704 | 1 |
| PARK HILL DISPOSAL LLC | 1 | 0 | 0 | 7 | 1 |
| PARTEE DRILLING INC. | 1 | 0 | 0 | 58 | 1 |
| PARTEN OPERATING INC. | 1 | 1 | 0 | 71 | 1 |
| PATE TRUCKING CO., LLC | 1 | 0 | 0 | — | 1 |
| PEARL O&G OPCO, LLC | 1 | 0 | 0 | 3 | 1 |
| PEBA OIL & GAS, INC. | 1 | 0 | 0 | 903 | 1 |
| PECAN PIPELINE COMPANY | 1 | 0 | 0 | — | 1 |
| PETEX | 1 | 0 | 0 | 614 | 1 |
| PETRO-CHEM OPERATING COMPANY,INC | 1 | 0 | 0 | 8 | 1 |
| PHILLIPS 66 COMPANY | 1 | 1 | 0 | 21 | 1 |
| PIE OPERATING, LLC | 1 | 0 | 0 | 16 | 1 |
| PNG OPERATING COMPANY | 1 | 0 | 0 | 12 | 1 |
| PONDEROSA OIL & GAS, LLC | 1 | 0 | 0 | 6 | 1 |
| POP OPERATING COMPANY | 1 | 1 | 0 | 20 | 1 |
| PRASINOS STORAGE I LLC | 1 | 0 | 0 | 1 | 1 |
| PRESSLY OIL INTEREST, INC. | 1 | 0 | 0 | 22 | 1 |
| PRODUCED WATER TRANSFER1 LLC | 1 | 0 | 0 | — | 1 |
| QUAIL WELL SERVICE, INC. | 1 | 0 | 0 | 117 | 1 |
| QUIDNET ENERGY DEPLOYMENT LLC | 1 | 0 | 0 | — | 1 |
| RNG RESOURCES, LLC | 1 | 1 | 1 | — | 1 |
| R & R OIL & GAS, LLC | 1 | 1 | 0 | — | 1 |
| RWA, LLC | 1 | 0 | 0 | 105 | 1 |
| RAMTEX ENERGY LLC | 1 | 0 | 1 | 110 | 1 |
| RATTLER MIDSTREAM OPERATING LLC | 1 | 0 | 0 | 43 | 1 |
| RAW OIL & GAS, INC. | 1 | 0 | 0 | 50 | 1 |
| RAVEN FOREST OPERATING, LLC | 1 | 0 | 0 | 15 | 1 |
| RAY HERRING OPERATING CO., LLC | 1 | 0 | 0 | 143 | 1 |
| RAYDEN | 1 | 0 | 0 | 27 | 1 |
| RAYCO OPERATING, INC. | 1 | 0 | 0 | 51 | 1 |
| REACH OIL | 1 | 0 | 0 | 25 | 1 |
| REATTA ENERGY, INC. | 1 | 1 | 0 | 56 | 1 |
| RELENTLESS PERMIAN OPERATING LLC | 1 | 0 | 0 | 358 | 1 |
| REMORA OPERATING, LLC | 1 | 1 | 1 | 365 | 1 |
| RETURN DISPOSAL, LLC | 1 | 0 | 0 | 1 | 1 |
| REVERENCE OPERATING LLC | 1 | 1 | 0 | 552 | 1 |
| RGX ENERGY LLC | 1 | 0 | 1 | — | 1 |
| RHB EXPLORATION & PRODUCTION,LLC | 1 | 0 | 0 | 43 | 1 |
| RIDGLEA ENERGY I, LLC | 1 | 0 | 1 | 30 | 1 |
| RIFE ENERGY OPERATING, INC. | 1 | 0 | 1 | 72 | 1 |
| RIM OPERATING, INC. | 1 | 0 | 0 | 56 | 1 |
| RINCON PETROLEUM CORPORATION | 1 | 0 | 0 | 134 | 1 |
| RISE PETROLEUM INVESTMENTS LLC | 1 | 1 | 0 | 2 | 1 |
| RISING STAR ENERGY PTR, L.L.C. | 1 | 0 | 1 | 1 | 1 |
| ROBINSON, EUGENE J. | 1 | 0 | 0 | 21 | 1 |
| ROCKY CREEK RESOURCES, LLC | 1 | 0 | 1 | 4 | 1 |
| RR VENTURES LIMITED PARTNERSHIP | 1 | 1 | 0 | 12 | 1 |
| SD ROYALE ENERGY, INC. | 1 | 1 | 0 | 156 | 1 |
| SAFARI RESOURCES, LLC | 1 | 0 | 0 | 63 | 1 |
| SAFARI PRODUCTION COMPANY, INC. | 1 | 1 | 0 | 16 | 1 |
| SALIDA EXPLORATION, LLC | 1 | 1 | 0 | 33 | 1 |
| SANDALWOOD EXPLORATION, L.P. | 1 | 0 | 0 | 29 | 1 |
| SANDLOT OIL & GAS LLC | 1 | 0 | 1 | — | 1 |
| SANDPOINT OPERATING, LLC | 1 | 0 | 1 | 6 | 1 |
| SANDPOINT TEXAS LLC | 1 | 1 | 0 | — | 1 |
| SANDSTONE SERVICES, LLC | 1 | 0 | 0 | 77 | 1 |
| SCHLACHTER OPERATING CORPORATION | 1 | 0 | 0 | 556 | 1 |
| SEITZ, J. R. & ADAM, LTD. | 1 | 0 | 0 | 87 | 1 |
| SHENANDOAH RESOURCES LLC | 1 | 0 | 0 | 7 | 1 |
| SIERRA RESOURCES, LLC | 1 | 0 | 0 | 15 | 1 |
| SLOAN PETROLEUM INC. | 1 | 0 | 1 | 2 | 1 |
| SNAP EXPLORATION COMPANY, LLC | 1 | 0 | 0 | 6 | 1 |
| SOCORRO EXPLORATION, INC. | 1 | 0 | 0 | 85 | 1 |
| SOUTHERN OIL & GAS LLC | 1 | 0 | 0 | — | 1 |
| SPRUIELL DRILLING CO., INC. | 1 | 0 | 0 | 21 | 1 |
| SRS PROPERTIES, LLC | 1 | 0 | 0 | 7 | 1 |
| STANOLIND PRODUCTION LLC | 1 | 0 | 0 | 1,026 | 1 |
| STEADFAST OIL & GAS, LLC | 1 | 0 | 1 | 1 | 1 |
| STEPHENS & JOHNSON OPERATING CO. | 1 | 0 | 0 | 1,029 | 1 |
| STONEHILL MARTIN, LLC | 1 | 0 | 0 | — | 1 |
| STROUD PETROLEUM, INC. | 1 | 1 | 0 | 102 | 1 |
| SUB SURFACE OPERATIONS | 1 | 0 | 0 | 57 | 1 |
| SUE-ANN OPERATING, L.C. | 1 | 1 | 0 | 650 | 1 |
| SULPHUR RIVER EXPLORATION, INC. | 1 | 0 | 0 | 278 | 1 |
| TMR EXPLORATION, INC. | 1 | 0 | 0 | 82 | 1 |
| TABULA RASA ENERGY, LLC | 1 | 0 | 0 | 1 | 1 |
| TARGA DELAWARE LLC | 1 | 0 | 0 | 1 | 1 |
| TARPON OIL & GAS CO. | 1 | 0 | 0 | 110 | 1 |
| TERRAIN WATER SOLUTIONS, LLC | 1 | 1 | 0 | — | 1 |
| TEXAS PIPELINE LLC | 1 | 1 | 0 | — | 1 |
| TEXAS PRESCO, INC. | 1 | 0 | 1 | 6 | 1 |
| TEXAS ROYALTY CORP. | 1 | 0 | 0 | 40 | 1 |
| TEXAS SOUTHERN PETROLEUM CORP. | 1 | 1 | 0 | 71 | 1 |
| TEXXOL OPERATING COMPANY, INC. | 1 | 1 | 0 | 283 | 1 |
| THREE SUMMITS OPERATING LLC | 1 | 0 | 0 | 8 | 1 |
| THRONE DELAWARE RESOURCES, LLC | 1 | 0 | 0 | 2 | 1 |
| THRONE PETROLEUM RESOURCES LLC | 1 | 0 | 1 | 224 | 1 |
| TRAVELERS OIL COMPANY | 1 | 1 | 0 | 120 | 1 |
| TRI-W OIL | 1 | 1 | 1 | 23 | 1 |
| TRIANGLE THREE RESOURCES L.L.C. | 1 | 0 | 0 | 58 | 1 |
| TRIPLE G WELL SERVICE, INC. | 1 | 1 | 0 | 114 | 1 |
| TRUTEX OPERATING, LLC | 1 | 0 | 0 | 3 | 1 |
| TSAR ENERGY, LLC | 1 | 1 | 0 | 4 | 1 |
| TYCO OPERATING CO. | 1 | 0 | 0 | 51 | 1 |
| TXP, INCORPORATED | 1 | 1 | 0 | 146 | 1 |
| UNDERGROUND SERVICES MARKHAM,LLC | 1 | 1 | 0 | 22 | 1 |
| UPSTREAM RESOURCE PARTNERS, LLC | 1 | 1 | 0 | 1 | 1 |
| URBAN OIL & GAS GROUP, LLC | 1 | 1 | 0 | 944 | 1 |
| VENTEX OPERATING CORP. | 1 | 0 | 0 | 80 | 1 |
| VERACITY ENERGY LLC | 1 | 1 | 0 | 1 | 1 |
| VETERAN EXPLORATION & PROD, LLC | 1 | 1 | 0 | 18 | 1 |
| VISION OPERATING COMPANY, L.L.C. | 1 | 0 | 0 | 9 | 1 |
| VITRUVIAN EXPLORATION IV, LLC | 1 | 0 | 1 | — | 1 |
| WALSH & WATTS, INC. | 1 | 1 | 1 | 2,029 | 1 |
| WALTER EXPLORATION COMPANY | 1 | 1 | 0 | 38 | 1 |
| WANDOO ENERGY, LLC | 1 | 0 | 0 | 8 | 1 |
| WATSON ENERGY INVESTMENTS, LLC | 1 | 0 | 0 | 87 | 1 |
| WESTERN CHIEF OPERATING, L.L.C. | 1 | 0 | 1 | 68 | 1 |
| WHITE ROCK OIL & GAS, LLC | 1 | 1 | 0 | 1,102 | 1 |
| WILSON OPERATING CO. | 1 | 0 | 0 | 33 | 1 |
| WILSON RESOURCES, INC. | 1 | 1 | 0 | 18 | 1 |
| WINDOW OPERATING CO., THE | 1 | 0 | 0 | 101 | 1 |
| WINFIELD OPERATING COMPANY | 1 | 0 | 0 | 47 | 1 |
| WTG EXPLORATION | 1 | 1 | 0 | 375 | 1 |
| WWM OPERATING, LLC | 1 | 1 | 0 | — | 1 |
| XPLORE OPERATING, LLC | 1 | 0 | 0 | 131 | 1 |
| 4 BOOTS OIL COMPANY, LLC | 1 | 1 | 0 | — | 1 |
| 3-T EXPLORATION, INC. | 1 | 0 | 0 | 125 | 1 |
| 3TURTLE OIL & GAS, LLC | 1 | 0 | 0 | — | 1 |