| RHOADS MARK OPERATIONS | 16940 | PONCA CITY | 5 | 3 |
| RHOADS RESOURCES | 13498 | TULSA | 1 | 1 |
| RHODEN LARRY J | 12766 | S. COFFEYVILLE | 0 | 0 |
| RHODES OIL LLC | 24475 | SAND SPRINGS | 0 | 0 |
| RHODES-FIELDING CORPORATION | 19695 | OKLAHOMA CITY | 4 | 2 |
| RHR DISPOSALS LLCActive | 23755 | ANADARKO | 2 | 2 |
| RHUE K T RESOURCES LLC | 22249 | KINGFISHER | 1 | 1 |
| RIATA PETROLEUM CORP | 23166 | OKLAHOMA CITY | 0 | 0 |
| RIATA RESOURCES LLC | 22962 | OKLAHOMA CITY | 14 | 1 |
| RIATTA ENERGY INC | 17995 | OKLAHOMA CITY | 0 | 0 |
| RIC PETROLEUM | 13846 | SANTA BARBARA | 6 | 2 |
| RIC PETROLEUM INC | 16406 | GOLDEN | 12 | 4 |
| RICE MELBA MActive | 18800 | TULSA | 1 | 1 |
| RICE MICHAEL LEEActive | 22343 | BEGGS | 10 | 1 |
| RICE PATRICIA dba RICE OIL | 21310 | DUNCAN | 1 | 1 |
| RICE S THEIS | 14167 | DALLAS | 0 | 0 |
| RICH OIL COMPANY | 17362 | OKLAHOMA CITY | 1 | 1 |
| RICHARD C SULLINS CREDIT SHELTER TRUSTActive | 12342 | PERRY | 5 | 1 |
| RICHARD CHARLES J ESTATE | 18450 | OKLAHOMA CITY | 0 | 0 |
| RICHARD GRAY FARMS INC | 14920 | KREMLIN | 1 | 1 |
| RICHARD W THOMPSON INC | 7381 | PLANO | 17 | 8 |
| RICHARDS ERIC D | 20718 | HOLDENVILLE | 0 | 0 |
| RICHARDS TOM H | 18845 | DENISON | 0 | 0 |
| RICHARDSON BUD II | 17559 | GRAHAM | 9 | 1 |
| RICHARDSON CONSTRUCTION CO | 8113 | HENRYETTA | 17 | 2 |
| RICHARDSON J T RIG & CONST INC | 8884 | PAMPA | 0 | 0 |
| RICHARDSON MARGARET | 17162 | MOUNDS | 0 | 0 |
| RICHARDSON OIL COMPANY | 14122 | NOWATA | 1 | 1 |
| RICHARDSON SAMMY | 17293 | MARLOW | 1 | 1 |
| RICHARDSON SAMMY P & WILMA I | 17250 | MARLOW | 0 | 0 |
| RICHARDSON SILAS | 6813 | MOUNDS | 0 | 0 |
| RICHARDSON WM S | 1813 | DUNCAN | 2 | 1 |
| RICHART OIL COMPANY INC | 7249 | OKLAHOMA CITY | 6 | 1 |
| RICHLAND ENERGY CORPORATION | 16573 | TULSA | 2 | 1 |
| RICHLAND RESOURCES CORPORATIONActive | 18508 | OKLAHOMA CITY | 30 | 8 |
| RICHMAN RESOURCES INC | 19635 | ADA | 1 | 1 |
| RICHMOND EXPLORATION CORP | 18707 | VANCOUVER | 0 | 0 |
| RICHMOND LARRY | 22214 | HOLDENVILLE | 0 | 0 |
| RICHMOND OIL & GAS | 15226 | DALLAS | 0 | 0 |
| RICK PULLIAM OIL & GAS INCActive | 19312 | BRISTOW | 25 | 2 |
| RICK'S TANK TRUCK SERVICE LLC | 22762 | ADA | 0 | 0 |
| RICKELSON OIL & GAS COMPANY | 5578 | TULSA | 15 | 9 |
| RICKETTS WILLIAM B | 15690 | PAWHUSKA | 0 | 0 |
| RICKS CONSULTING LLCActive | 22936 | COPAN | 25 | 1 |
| RICKS EXPL ACQUISITION CORP | 19681 | OKLAHOMA CITY | 4 | 3 |
| RICKS EXPL ACQUISITION LLC | 20950 | OKLAHOMA CITY | 2 | 2 |
| RICKS EXPLORATION CO | 4714 | OKLAHOMA CITY | 31 | 12 |
| RICKS WELL SERVICE | 16762 | DOVER | 0 | 0 |
| RICO OIL CO | 10500 | DUNCAN | 5 | 2 |
| RIDDLE WILLIAM T | 17946 | HASKELL | 2 | 1 |
| RIDENOUR A HAROLD | 10897 | NOWATA | 3 | 1 |
| RIDGE ENERGY CORPORATION | 18899 | NEW YORK | 0 | 0 |
| RIDGE PETROLEUM INC | 22229 | TYLER | 0 | 0 |
| RIDGEPOINT ENERGY PARTNERS, LLCActive | 25093 | Tulsa, OK 74136 | 2 | 1 |
| RIDGETOP RANCH PROPERTIES INC | 12541 | LAKE ELIZABETH | 4 | 1 |
| RIDGWAY'S NAPA AUTO PARTS INC | 18973 | SCHULTER | 0 | 0 |
| RIDLING B R | 11411 | ARDMORE | 1 | 1 |
| RIF RAF INC | 18786 | NORMAN | 2 | 1 |
| RIFE OIL PROPERTIES INC | 11567 | FORT WORTH | 4 | 3 |
| RIFFE L E | 13775 | TULSA | 0 | 0 |
| RIG PETROLEUM LLCActive | 25038 | Spearman | 12 | 3 |
| RIGGINS ENERGY INC | 20552 | VERNON | 0 | 0 |
| RIGHT HAND ENERGY LLC | 22323 | NORMAN | 0 | 0 |
| RILAR RESOURCES INC | 14804 | MOORE | 1 | 1 |
| RILEY DEBORAH RActive | 21504 | NOWATA | 9 | 1 |
| RILEY DORIS | 15647 | PORTER | 1 | 1 |
| RILEY EXPLORATION LLC | 22518 | BLANCHARD | 0 | 0 |
| RILEY EXPLORATION OPERATING CO LLC | 23773 | BLANCHARD | 3 | 2 |
| RILEY LEE ROY | 15701 | CHICKASHA | 0 | 0 |
| RILEY RICHARD L & DEBORAH R | 20189 | NOWATA | 0 | 0 |
| RIM RESOURCES LLCActive | 20960 | TULSA | 2 | 1 |
| RIMEX INC | 14011 | WHITE OAK | 0 | 0 |
| RIMROCK GAS COMPANY | 4683 | WEATHERFORD | 10 | 4 |
| RIMROCK RESOURCE OPERATING LLC | 23802 | TULSA | 29 | 5 |
| RING EXPLORATION INC | 19300 | OKLAHOMA CITY | 0 | 0 |
| RING LEON & RUSSELL | 1821 | VAN NUYS | 0 | 0 |
| RING PRODUCTION COMPANY | 18943 | MENO | 0 | 0 |
| RINGER JOHN F ESTATE | 1823 | PAULS VALLEY | 0 | 0 |
| RINGNECK RANCH CORPORATION | 15706 | TULSA | 0 | 0 |
| RINGWOOD SWD LLCActive | 24512 | RINGWOOD | 1 | 1 |
| RIO BLANCO OPERATING LLC | 20467 | VICTORIA | 4 | 3 |
| RIO GRANDE DRILLING COMPANY | 19497 | SAN ANTONIO | 0 | 0 |
| RIO PETROLEUM INC | 8128 | AMARILLO | 3 | 1 |
| RIO VISTA OPERATING LLC | 22272 | EUFAULA | 5 | 2 |
| RIPPETOE GARYActive | 23401 | WILLOW | 1 | 1 |
| RISEDEN LTD INC | 16333 | HOUSTON | 0 | 0 |
| RISING STAR ENERGY LLC | 21587 | DALLAS | 0 | 0 |
| RITA BLANCA RESOURCES LLCActive | 24935 | OKLAHOMA CITY | 1 | 1 |
| RITCHEY ALAN INC | 20350 | VALLEY VIEW | 0 | 0 |
| RIVENDELL GROUP LLC | 23696 | PEBBLE BEACH | 0 | 0 |
| RIVER CITY RESOURCES INC | 16455 | TULSA | 2 | 2 |
| RIVER OAKS OPERATING LLC | 24209 | KATY | 0 | 0 |
| RIVER ROCK OPERATING LLCActive | 23862 | Chanute | 170 | 2 |
| RIVER VALLEY OIL LLCActive | 24528 | Konawa | 45 | 4 |
| RIVERFRONT EXPLORATION LLCActive | 23866 | FORT SMITH | 43 | 4 |
| RIVERSIDE MIDSTREAM WATER RESOURCES LLCActive | 24388 | TULSA | 4 | 2 |
| RIVERSTONE ENERGY LLCActive | 23404 | SEMINOLE | 23 | 1 |
| RIVES OWEN H | 1824 | HOLDENVILLE | 1 | 1 |
| RIVIERA OPERATING LLC | 22182 | HOUSTON | 279 | 34 |
| RIVONDALE OIL COMPANY INC | 11931 | OKLAHOMA CITY | 20 | 8 |
| RIXLEBEN JEFFREY | 17799 | WEST CHICAGO | 10 | 2 |
| RIXLEBEN THOMAS B ESTATE | 1825 | ADA | 4 | 2 |
| RJ WILLIAMS OIL & GAS LLCActive | 19861 | ARDMORE | 63 | 6 |
| RJA ENERGY LLCActive | 23212 | NORMAN | 17 | 5 |
| RKI ENERGY RESOURCES LLC | 24038 | OKLAHOMA CITY | 0 | 0 |
| RKI EXPLORATION & PRODUCTION LLC | 21946 | TULSA | 5 | 1 |
| RKK PRODUCTION COMPANYActive | 17184 | MUSTANG | 70 | 19 |
| RKR EXPLORATION INCActive | 21268 | SEMINOLE | 45 | 2 |
| RKS RESOURCES LLCActive | 17218 | EDMOND | 3 | 1 |
| RL&B ENERGY LLC | 23907 | WICHITA FALLS | 2 | 1 |
| RLB INVESTMENTS LLC | 23060 | HOLDENVILLE | 0 | 0 |
| RM OIL VENTURES LTD | 17451 | DALLAS | 0 | 0 |
| RMBC OIL CORPORATION | 21386 | BRANSON | 0 | 0 |
| RMP OPERATING CO | 19929 | TULSA | 0 | 0 |
| RMS MONTE CHRISTO LLC | 20622 | SNOWMASS VILLAGE | 0 | 0 |
| RO-JO EXPLORATION INC | 15213 | MOORE | 1 | 1 |
| RO-JO LLCActive | 24787 | CRESCENT | 59 | 10 |
| ROACH EUGENE & DYE ALLENE | 18087 | OWASSO | 1 | 1 |
| ROACH SERVICES INC | 23472 | WOODWARD | 0 | 0 |
| ROACH SERVICES INC | 23488 | WOODWARD | 0 | 0 |
| ROADRUNNER ENERGY INC | 15448 | TULSA | 9 | 3 |
| ROAN RESOURCES LLC | 24127 | TULSA | 41 | 3 |
| ROBBINS ENERGY INC | 19482 | LONGVIEW | 0 | 0 |
| ROBBINS JOHN R | 16497 | SAN ANGELO | 0 | 0 |
| ROBBINS REVOCABLE TRUST | 21596 | JENKS | 0 | 0 |
| ROBBINS THOMAS D & CHARLENE A REVOCABLE TRUST | 6456 | PLANO | 3 | 3 |
| ROBCO DISPOSAL SYSTEM | 18271 | ADA | 0 | 0 |
| ROBCO OIL INC | 11822 | AUSTIN | 1 | 1 |
| ROBERSON DAVID A | 15263 | ADA | 2 | 2 |
| ROBERSON JOE | 19268 | WICHITA FALLS | 16 | 2 |
| ROBERSON OIL COMPANY INCActive | 19500 | Ada | 222 | 14 |
| ROBERSON PRODUCTION CO | 17964 | EDMOND | 0 | 0 |
| ROBERT AND DIANA ENLOE LLCActive | 24599 | — | 17 | 1 |
| ROBERT B KNIGHT DBA D & K OIL COMPANYActive | 4641 | STRATFORD | 7 | 1 |
| ROBERT VANZANT LLCActive | 24711 | TECUMSEH | 1 | 1 |
| ROBERT WILLIAM COMPANY LLCActive | 23245 | SANTA PAULA | 19 | 2 |
| ROBERTS & MURPHY INC | 16370 | SHREVEPORT | 1 | 1 |
| ROBERTS ANDERINE | 6634 | SASAKWA | 6 | 1 |
| ROBERTS C ALAN | 18981 | OKLAHOMA CITY | 0 | 0 |
| ROBERTS C J | 17217 | SKIATOOK | 0 | 0 |
| ROBERTS HERMAN | 8834 | HENDERSON | 2 | 1 |
| ROBERTS JAMES J | 23083 | HASKELL | 0 | 0 |
| ROBERTS JAMES T | 17806 | HASKELL | 0 | 0 |
| ROBERTS OIL & GAS COMPANY | 1834 | EDMOND | 0 | 0 |
| ROBERTS OIL COMPANY | 10101 | ADA | 1 | 1 |
| ROBERTS THOMAS | 24642 | — | 2 | 1 |
| ROBERTS THOMAS AND/OR SHELLIEActive | 24747 | BRISTOW | 1 | 1 |
| ROBERTS VICKI | 13886 | OOLOGAH | 0 | 0 |
| ROBERTS ZETAU J FISK | 17197 | MOORE | 1 | 1 |
| ROBERTSON DONALD INC | 3013 | CEMENT | 0 | 0 |
| ROBERTSON JAY ESTATE | 3920 | TULSA | 14 | 3 |
| ROBERTSON JOHNIE JActive | 19292 | OKMULGEE | 7 | 1 |
| ROBERTSON MILFORD | 20178 | ENID | 0 | 0 |
| ROBERTSON TANK SERVICE INC | 17664 | ELKHART | 2 | 1 |
| ROBERTSON WAYNE H | 19242 | ELKHART | 0 | 0 |
| ROBERTSON WILLIAM C | 5699 | STROUD | 2 | 1 |
| ROBINOWITZ OIL COMPANY | 1838 | TULSA | 39 | 10 |
| ROBINSON ALLEN OR DORISActive | 18667 | OWASSO | 2 | 1 |
| ROBINSON CHARLES | 3325 | CHELSEA | 3 | 1 |
| ROBINSON HUGH | 18660 | BIXBY | 0 | 0 |
| ROBINSON INCORPORATED | 17929 | WOODWARD | 0 | 0 |
| ROBINSON J S A & R GREENE | 15638 | TULSA | 1 | 1 |
| ROBINSON JR W T | 16076 | DUNCAN | 0 | 0 |
| ROBINSON OPERATING CO INC | 7958 | DUNCAN | 1 | 1 |
| ROBINSON OPERATING COMPANY INC | 7860 | DUNCAN | 0 | 0 |
| ROBINSON PRODUCTION | 17937 | DAVIS | 2 | 1 |
| ROBINSON TRACY D | 22444 | DUNCAN | 0 | 0 |
| ROBLYN OIL INCActive | 20662 | ALLEN | 7 | 1 |
| ROBSON & SHULTS PROD CORP | 16200 | MANNFORD | 3 | 1 |
| ROBSON ENERGY OKLAHOMA LLC | 22011 | EDMOND | 0 | 0 |
| ROBSON OIL INC | 16480 | CLAREMORE | 0 | 0 |
| ROBSON PETROLEUM COMPANY | 18485 | TULSA | 0 | 0 |
| ROBSON RESOURCES INC | 15952 | TULSA | 4 | 3 |
| ROCHELL OIL COMPANY | 19489 | ATOKA | 0 | 0 |
| ROCK CREEK DIRECT ENERGY LLCActive | 24729 | ROFF | 24 | 1 |
| ROCK CREEK ENERGY CO | 22487 | ADA | 1 | 1 |
| ROCK CREEK OIL EXPLORATION INC | 14061 | NORMAN | 4 | 2 |
| ROCK CREEK RESOURCES LLC | 23086 | ENGLEWOOD | 1 | 1 |
| ROCK OIL COMPANYActive | 15180 | BROKEN ARROW | 35 | 2 |
| ROCK PRODUCERS INC | 19189 | POCOLA | 1 | 1 |
| ROCK SHORE ENERGY LLC | 23232 | DALLAS | 0 | 0 |
| ROCKANN PRODUCTION | 14559 | PORTLAND | 0 | 0 |
| ROCKET ENERGY CORPORATION | 8408 | MUSKOGEE | 47 | 3 |
| ROCKET OIL COMPANY | 1844 | DUNCAN | 61 | 7 |
| ROCKET OIL COMPANY LLCActive | 25049 | Duncan | 0 | 0 |
| ROCKET RESOURCES, L.L.C.Active | 24985 | Oklahoma City | 0 | 0 |
| ROCKFORD CBM LLC | 21338 | TULSA | 35 | 3 |
| ROCKFORD ENERGY PARTNERS III LLC | 22587 | DENVER | 2 | 1 |
| ROCKFORD ENERGY PARTNERS LLC | 21179 | TULSA | 0 | 0 |
| ROCKIES RESOURCES HOLDINGS LLCActive | 25045 | Lakewood | 4 | 2 |
| ROCKIN D RESOURCES LLCActive | 23856 | BRISTOW | 13 | 3 |
| ROCKIN D VENTURES LLCActive | 23224 | MORRIS | 17 | 2 |
| ROCKIN J RANCH | 20353 | LUCIEN | 1 | 1 |
| ROCKIN S FIELD SERVICE LLCActive | 24406 | STIGLER | 20 | 2 |
| ROCKING CHAIR ENERGY PARTNERS LLCActive | 25185 | MORRIS | 45 | 2 |
| ROCKING CROWN LLCActive | 22716 | WOODWARD | 8 | 1 |
| ROCKING M INVESTMENTS, INCActive | 25149 | Francis | 0 | 0 |
| ROCKLAND OIL COMPANYActive | 1845 | ARDMORE | 21 | 2 |
| ROCKRIDGE OIL COMPANY LLCActive | 18597 | Cleveland | 1 | 1 |
| ROCKWALL MARKETING CORPORATION | 20472 | FORT WORTH | 0 | 0 |