| SCHOLL ROBERT JOE | 1921 | WANN | 0 | 0 |
| SCHONFIELD HAROLD GENE | 14753 | BRISTOW | 8 | 3 |
| SCHONWALD OPERATING CO LLC | 20419 | OKLAHOMA CITY | 0 | 0 |
| SCHONWALD SUPPLY COMPANY | 1923 | OKLAHOMA CITY | 12 | 7 |
| SCHOOLEY KEITH A | 19007 | ENID | 0 | 0 |
| SCHOONOVER ROBERT L | 1924 | TULSA | 3 | 2 |
| SCHRADER LAWAYNE | 3624 | FORT WORTH | 4 | 2 |
| SCHROEDER INVESTMENT CO LLC | 20579 | FREEDOM | 0 | 0 |
| SCHULEIN ROBERT | 15862 | DENVER | 1 | 1 |
| SCHULER JR CHRIS C | 1925 | CLEVELAND | 4 | 1 |
| SCHULER OIL PROPERTIES LLCActive | 18620 | CLEVELAND | 5 | 2 |
| SCHULTE BILL | 14912 | SPERRY | 0 | 0 |
| SCHULTZ CLINTON I | 21950 | CORINTH | 0 | 0 |
| SCHULTZ GEORGE W | 12816 | OKLAHOMA CITY | 1 | 1 |
| SCHULTZ MARK S | 14843 | DALLAS | 0 | 0 |
| SCHUMACHER OIL COMPANY | 15420 | TULSA | 0 | 0 |
| SCHWAB OIL COMPANY | 15998 | NASHVILLE | 0 | 0 |
| SCIROCCO PETROLEUM INC | 15015 | SALT LAKE CITY | 0 | 0 |
| SCISSORTAIL ENERGY LLCActive | 20866 | TULSA | 0 | 0 |
| SCISSORTAIL ENERGY OPERATING, LLCActive | 24944 | Tulsa | 1 | 1 |
| SCISSORTAIL EXPLORATION & PRODUCTION, LLCActive | 24665 | TULSA | 0 | 0 |
| SCISSORTAIL PETROLEUM LLCActive | 24717 | BARTLESVILLE | 35 | 2 |
| SCOGGINS PRODUCTION COMPANY | 14075 | CLEO SPRINGS | 8 | 2 |
| SCOGGINS PRODUCTION CO INC | 20114 | CLEO SPRINGS | 0 | 0 |
| SCOGGINS PRODUCTION LLCActive | 22576 | ENID | 31 | 2 |
| SCOOP ENERGY COMPANY LLC | 23791 | OKLAHOMA CITY | 0 | 0 |
| SCOPE ENERGY SERVICES LLC | 24164 | NORMAN | 0 | 0 |
| SCORPIO PETRO INVESTMENTS, INC | 13625 | SHAWNEE | 3 | 1 |
| SCOTT BANES SCOTT FAMILY PARTNERSHIPActive | 24876 | TULSA | 1 | 1 |
| SCOTT HOWARD | 5398 | NOWATA | 11 | 1 |
| SCOTT JERRY G | 5577 | SEMINOLE | 5 | 2 |
| SCOTT JOHN SActive | 18764 | COPAN | 15 | 0 |
| SCOTT JOSEPHActive | 24514 | CRAWFORD | 1 | 1 |
| SCOTT KERMIT | 22401 | OKARCHE | 0 | 0 |
| SCOTT NORMA C | 22194 | MEMPHIS | 0 | 0 |
| SCOTT OTIS N | 3157 | ARKANSAS CITY | 0 | 0 |
| SCOTT PETROLEUM COMPANY | 6556 | GLENPOOL | 2 | 1 |
| SCOTT PRODUCTION COMPANY | 10666 | DRUMRIGHT | 2 | 1 |
| SCOTT RICHARD | 12831 | NOWATA | 3 | 2 |
| SCOTT SR KERMIT | 13790 | OKARCHE | 0 | 0 |
| SCOTT TIM W | 18331 | OKEMAH | 32 | 1 |
| SCOTT WAYNE OIL CO | 17273 | HAXTON | 15 | 2 |
| SCOUT ENERGY CORPORATION | 12046 | EDMOND | 18 | 4 |
| SCOUT ENERGY MANAGEMENT LLCActive | 23138 | DALLAS | 1,252 | 6 |
| SCOUT RESOURCES LLC | 23534 | TULSA | 2 | 1 |
| SCOUT SERVICES LLC | 22603 | ERICK | 0 | 0 |
| SCOUT SERVICES LLCActive | 23096 | ERICK | 0 | 0 |
| SCR ENERGY OPERATING LLCActive | 24936 | OKLAHOMA CITY | 2 | 1 |
| SCROGGINS EDWARD C | 17703 | ADA | 0 | 0 |
| SCS NEWTON OIL LLC | 21033 | PERRYTON | 0 | 0 |
| SCUDDER LES W | 10164 | DEWEY | 0 | 0 |
| SDR PROPERTIES LLCActive | 23261 | MCALESTER | 1 | 1 |
| SEA BREEZE LLC | 22886 | TULSA | 0 | 0 |
| SEABA OIL COMPANY | 16687 | CHANDLER | 0 | 0 |
| SEABOARD GAS COMPANY | 3216 | EDMOND | 1 | 1 |
| SEAD OPERATING COMPANY LLCActive | 25240 | DEPEW | 50 | 2 |
| SEAGROVE RESOURCES LLCActive | 24752 | MALAKOFF | 3 | 1 |
| SEAGULL ENERGY E & P INC | 20421 | HOUSTON | 4 | 4 |
| SEAGULL MID-SOUTH INC | 88 | HOUSTON | 116 | 25 |
| SEAGULL MIDCON INC | 18151 | HOUSTON | 27 | 10 |
| SEAGULL NATURAL GAS COMPANY | 14592 | HOUSTON | 0 | 0 |
| SEAGULL OPERATING COMPANY INC | 7016 | SHREVEPORT | 49 | 9 |
| SEAHAWK OIL INTERNATIONAL INC | 16000 | NEWPORT BEACH | 0 | 0 |
| SEAL EXPLORATION INC | 19762 | ARLINGTON | 1 | 1 |
| SEALE DON PRODUCTION | 10515 | ELECTRA | 0 | 0 |
| SEALE JAMES E | 15509 | FAIRVIEW | 0 | 0 |
| SEALS & BROWN OIL OPERATING, LLC | 25002 | Norman | 0 | 0 |
| SEALS AND BROWN OIL OPERATING | 21060 | NORMAN | 11 | 6 |
| SEALS OIL COMPANY | 4049 | FOX | 4 | 2 |
| SEAMAN BRENNAN DBA RED DIRT OIL & GASActive | 24727 | — | 28 | 7 |
| SEAN M SHARP LLCActive | 22007 | CHALK HILL | 6 | 1 |
| SEAPORT INC | 18403 | Oklahoma City | 3 | 3 |
| SEAPORT PARTNERS LLC | 22789 | OKLAHOMA CITY | 0 | 0 |
| SEARCH DRILLING COMPANY | 7278 | HOUSTON | 12 | 2 |
| SEARCY BROTHERS INC | 1934 | TULSA | 2 | 1 |
| SEARS JOE M | 3016 | BETHANY | 0 | 0 |
| SEARS M N | 1936 | OKLAHOMA CITY | 1 | 1 |
| SEASON OIL & GAS | 19751 | ODESSA | 0 | 0 |
| SEATON EDWARD R | 13848 | HOLDENVILLE | 0 | 0 |
| SEBCO GAS & OIL INC | 11614 | FAYETTEVILLE | 0 | 0 |
| SEBEP LLC | 23759 | HOUSTON | 0 | 0 |
| SEBERT HARRY A | 14908 | NOWATA | 6 | 1 |
| SEC PRODUCTION INCActive | 7983 | EDMOND | 53 | 11 |
| SECREST INC | 13626 | TULSA | 0 | 0 |
| SECURE OPERATIONS GROUP LLC | 23114 | FAIRFAX | 9 | 2 |
| SEDNA ENERGY LLC | 18798 | BLANCHARD | 35 | 5 |
| SEDONA OIL & GAS CORPORATION | 20211 | DALLAS | 1 | 1 |
| SEELY OIL COMPANYActive | 6460 | FORT WORTH | 29 | 4 |
| SEGROVES RICHARD W | 16646 | HEALDTON | 0 | 0 |
| SEIGER OIL & GAS INCActive | 23668 | HENNESSEY | 0 | 0 |
| SELBY LARRY MONROE | 18946 | BARTLESVILLE | 0 | 0 |
| SELCO OIL AND GAS INC | 18997 | ALAMO | 16 | 4 |
| SELECT AGUA LIBRE MIDSTREAM LLC | 24648 | Gainesville | 3 | 2 |
| SELECT ENERGY SERVICES LLCActive | 22851 | GAINESVILLE | 0 | 0 |
| SELECT EXPLORATION GROUP LLCActive | 24144 | EUFAULA | 11 | 2 |
| SELECT OIL & GAS INC | 12914 | DALLAS | 1 | 1 |
| SELECT OPERATING COMPANY INC | 14922 | DALLAS | 5 | 2 |
| SELECT PETROLEUM CORP | 17079 | TULSA | 11 | 1 |
| SELECT WATER SOLUTIONS, LLCActive | 24906 | Gainesville | 17 | 12 |
| SELECTIVE ENERGY COMPANY | 13587 | TULSA | 0 | 0 |
| SELF EDWARD N | 15980 | BRISTOW | 1 | 1 |
| SELINGER STEPHENActive | 22830 | SOUTH LAKE | 10 | 1 |
| SELLERS DONALD J | 3467 | DEPEW | 14 | 1 |
| SELLERS JACK B ESTATE OFActive | 4209 | CLEVELAND | 42 | 3 |
| SELLERS JAMES A | 1946 | DRUMRIGHT | 0 | 0 |
| SELLERS JOE PAUL | 23180 | DEPEW | 0 | 0 |
| SELLERS MARK AActive | 17626 | DRUMRIGHT | 12 | 2 |
| SELLERS O N | 1947 | HENRYETTA | 3 | 3 |
| SELLERS RESOURCES CORPORATION | 10085 | DRUMRIGHT | 10 | 3 |
| SELLMEYER EUGENE | 15487 | COLLINSVILLE | 0 | 0 |
| SELLMEYER FRANK | 7879 | SAN RAFAEL | 12 | 2 |
| SELMAN CHARLES MActive | 21342 | SKIATOOK | 2 | 1 |
| SELZER PRODUCTION COMPANY LLCActive | 24614 | NINNEKAH | 1 | 1 |
| SEM-POTT OPERATIONS LLC | 22352 | ROGERS | 6 | 1 |
| SEMCRUDE LP | 20851 | OKLAHOMA CITY | 0 | 0 |
| SEMGROUP ENERGY PARTNERS LP | 22523 | TULSA | 0 | 0 |
| SEMINOLE OIL & GAS CO INC | 15883 | SEMINOLE | 2 | 1 |
| SEMINOLE OIL & GAS INC | 22162 | DALLAS | 8 | 2 |
| SEMINOLE OIL PRODUCTIONS LLCActive | 21476 | SURPRISE | 9 | 2 |
| SEMINOLE OILFIELD SUPPLY INC | 17436 | SEMINOLE | 0 | 0 |
| SEMINOLE TANK SERVICEActive | 22642 | SEMINOLE | 0 | 0 |
| SEMINOLE TANK SERVICE | 2493 | SEMINOLE | 0 | 0 |
| SEMMEL EARL W | 21384 | FORGAN | 0 | 0 |
| SEMPER FIDELIS OIL & GAS LLC | 22402 | MCKINNEY | 0 | 0 |
| SENAX INCActive | 19780 | TULSA | 14 | 4 |
| SENECA OIL COMPANY | 1952 | TULSA | 142 | 27 |
| SENECA RESOURCES CORPORATION | 16389 | HOUSTON | 0 | 0 |
| SENICO PRODUCTION COMPANY | 16634 | IRVING | 2 | 2 |
| SENORA EXPLORATION COMPANY | 12651 | OKLAHOMA CITY | 2 | 1 |
| SENORA GAIL CORPORATION | 14127 | EL RENO | 2 | 2 |
| SENSOR OIL & GAS INC | 19129 | DUNCAN | 103 | 20 |
| SENTINEL PETROLEUM INC | 11168 | OKLAHOMA CITY | 0 | 0 |
| SENTINEL PETROLEUM INC | 21182 | OKLAHOMA CITY | 0 | 0 |
| SENTRY '75 INC | 22017 | DEWEY | 6 | 1 |
| SEP-OK1 LLCActive | 23207 | OREM | 1 | 1 |
| SEQUOYAH ENERGY HOLDINGS LLCActive | 24134 | OKLAHOMA CITY | 108 | 3 |
| SERAN D A ETAL | 1954 | OKEMAH | 0 | 0 |
| SERENDIPITY OPERATING LLC | 23570 | SPARKS | 0 | 0 |
| SERENDIPITY PRODUCTION COMPANY LCActive | 23094 | GUTHRIE | 5 | 1 |
| SERPENTINE OIL COMPANY INC | 11128 | MANNFORD | 0 | 0 |
| SERV-A-WELL SERVICE INC | 10387 | COMANCHE | 0 | 0 |
| SERVICE CLEARING CORPActive | 24358 | DALLAS | 25 | 2 |
| SERVICE DRILLING COMPANY | 1959 | TULSA | 145 | 17 |
| SERVICE DRILLING COMPANY LLC | 19219 | TULSA | 11 | 7 |
| SESSIONS BILLY C | 4596 | MUSKOGEE | 3 | 2 |
| SETEX OIL AND GAS COMPANY | 20913 | HOUSTON | 0 | 0 |
| SETTLERS CORPORATION | 12544 | OKLAHOMA CITY | 4 | 3 |
| SETTLERS ENERGY CORPORATION | 11828 | OKLAHOMA CITY | 2 | 2 |
| SEVEN HORSES LLCActive | 21347 | Alva | 11 | 3 |
| SEVEN J OIL INC | 17442 | JENNING | 0 | 0 |
| SEVENTH CORPORATION THE | 12152 | OKLAHOMA CITY | 3 | 2 |
| SEVILLE DRILLING CORP | 12680 | TULSA | 2 | 2 |
| SEVITSKI & ASSOCIATES INC | 17225 | PRYOR | 97 | 6 |
| SEWELL FAMILY TRUSTActive | 19945 | OKMULGEE | 3 | 1 |
| SEWELL OIL INC | 19054 | CORDELL | 0 | 0 |
| SEYMOUR OIL CO INC | 19676 | MACON | 0 | 0 |
| SFHC INC | 12249 | ALTUS | 0 | 0 |
| SFM OIL & GAS CO LTD | 16694 | NORMAN | 0 | 0 |
| SFO PETROLEUM EXLORATION INC | 15959 | SAN MATEO | 0 | 0 |
| SGP MANAGEMENT LLCActive | 24842 | DALLAS | 3 | 1 |
| SHADID NED & PHILIP | 18778 | ALTUS | 0 | 0 |
| SHADOW OIL & GAS INC | 11850 | CALGARY ALBERTA | 0 | 0 |
| SHADOW-DEL OIL COMPANY | 12744 | KIEFER | 3 | 2 |
| SHADOWPEAK OPERATING LLCActive | 24739 | OKLAHOMA CITY | 183 | 3 |
| SHAIKS ENERGY LLC | 23688 | LAWTON | 0 | 0 |
| SHAKABRE OIL & GAS LLC | 23818 | DEPEW | 0 | 0 |
| SHAKESPEARE OIL CO INC | 17127 | SALEM | 0 | 0 |
| SHALE PROPERTIES LLC | 24562 | KINGFISHER | 1 | 1 |
| SHALECASE ENERGY LLC | 24980 | OKLAHOMA CITY | 0 | 0 |
| SHALLOW ENERGY INCActive | 12550 | SOUTH DENNIS | 49 | 9 |
| SHALLOW WELL INC | 12806 | OKLAHOMA CITY | 0 | 0 |
| SHAMBLES ALBERT D | 19750 | BARTLESVILLE | 0 | 0 |
| SHAMROCK DISPOSAL | 20926 | DRUMRIGHT | 0 | 0 |
| SHAMROCK ENERGY LLCActive | 24685 | BARTLESVILLE | 6 | 1 |
| SHAMROCK OPERATING COMPANY LLCActive | 23643 | CLEVELAND | 57 | 7 |
| SHAMROCK WELL OPERATIONS LLC | 24071 | OKLAHOMA CITY | 18 | 4 |
| SHANKS A R | 15392 | KEIFER | 0 | 0 |
| SHANKS DRILLING & PRODUCTION COMPANY LLC | 1968 | BIXBY | 13 | 4 |
| SHANKS ROBERT "BOB"Active | 3065 | HASKELL | 30 | 4 |
| SHANLEY OIL COMPANY | 11592 | DALLAS | 0 | 0 |
| SHANNON CORPORATION INC | 19692 | OKMULGEE | 27 | 2 |
| SHANNON ENERGY | 15917 | LIBERAL | 0 | 0 |
| SHANNON JERRY D | 15942 | COLLINSVILLE | 0 | 0 |
| SHANNON JERRY D | 15962 | COLLINSVILLE | 0 | 0 |
| SHANNON PETROLEUM INC | 18645 | TULSA | 5 | 1 |
| SHARBER BILLY JACK OPERATING | 17412 | KONAWA | 2 | 2 |
| SHARBER DON E | 19849 | OKEMAH | 0 | 0 |
| SHARBER PRODUCTION INCActive | 4800 | KONAWA | 47 | 1 |
| SHARON KAY OIL | 13120 | DUNCAN | 0 | 0 |
| SHARP ANTHONY G | 2505 | SHAWNEE | 11 | 1 |
| SHARP LINDELL RActive | 20877 | HUNTINGTON | 2 | 2 |
| SHARP PRODUCTION CO LLC | 21183 | TULSA | 0 | 0 |
| SHATTUCK SWD LLC | 23255 | SHATTUCK | 2 | 2 |
| SHAVER TOMMY L | 19457 | KINGFISHER | 1 | 1 |
| SHAW T G OIL COMPANY LTD | 21140 | FORT WORTH | 0 | 0 |
| SHAW THOMAS P | 10023 | TULSA | 2 | 2 |
| SHAWVER & SON INC | 6273 | OKLAHOMA CITY | 66 | 10 |
| SHAWVER ENERGY INC | 20214 | OKLAHOMA CITY | 6 | 2 |
| SHAYCO EXPLORATION | 19158 | DENTON | 1 | 1 |
| SHEBESTER INC | 4387 | MAYSVILLE | 4 | 2 |