Home Fields SOMERSET Value, all time
83% of the register's 1,033
Our estimate: volumes the operator filed with the Commission, valued at the EIA first-purchase price for that month. It is not a payment anyone received, and it is not a royalty. It sums the 860 leases in this field that have a page here — 83% of the register's 1,033 — so it understates the field.
Production, 2025 The Railroad Commission's Oil and Gas Annual Report for 2025, its most recent. These are the state's figures for the whole field, not ours.
Wells In the field Producing Produced in 2025 Also produced Cumulative Oil 1,408 1,287 44,490 bbl 0 mcf casinghead 26,847,614 bbl since discovery Gas 2 0 0 mcf 0 bbl condensate 885,297 mcf since 1970
The discovery well's oil measured 32.0° API gravity, perforated at 1,001 ft.
Spacing rule What the Commission requires of a well on this field.
Wells Rule Effective From the lease line Between wells Acres per unit Max diagonal Gas B 1985-11-25 150 ft 330 ft 10 1,100 ft Gas O 1985-11-25 150 ft 330 ft 5 750 ft Gas O 1985-11-25 150 ft 330 ft 2 500 ft Oil B 1986-02-01 150 ft 330 ft 10 1,100 ft Oil O 1986-02-01 150 ft 330 ft 5 750 ft Oil O 1986-02-01 150 ft 330 ft 2 500 ft
Commission remarks: RULES EFF. FOR SOMERSET FIELD 12-11-78.
Leases in this field Every lease here files this field's number with the Commission and has a page on this site.
Showing the 200 largest of 860 leases, by the value we compute. Every one of them is in the sitemap.
Lease Operator Value HARTUNG -A- KOKO SKADI, LLC $4.9 M LONG OLD CHIEF OIL, LLC $3.5 M EASTWOOD, E. -B- KOKO SKADI, LLC $3.0 M STANFIELD KOKO SKADI, LLC $2.6 M BUSH, E.M. -A- PETRO LIONS, LLC $2.5 M JAMES, MARY L. ETAL KOKO SKADI, LLC $2.4 M SCHMIDT KOKO SKADI, LLC $2.4 M ERNST, KATIE L. PETROSAURUS, INC. $2.4 M ERNST KOKO SKADI, LLC $2.3 M BAKER, E.M. "A" PAISANO PRODUCTION, INC. $2.2 M FOWLER MOJAVE RESOURCES, LLC $2.0 M FOWLER, IMA -C- CALK OIL COMPANY $2.0 M JAMES, WM. KOKO SKADI, LLC $1.9 M LUBEL UNIT #1 PETRO-TEX ENERGY & EXPL.CO.,INC. $1.8 M PUTMAN, P. W., ETAL PETROSAURUS, INC. $1.7 M ROBERTSON, HARRY KOKO SKADI, LLC $1.7 M BAKER OLD CHIEF OIL, LLC $1.7 M HOFFMAN, HERMAN DRACHEN ENERGY CO. $1.7 M GERHARDT, HAIDEE PETROSAURUS, INC. $1.7 M CALK, E. W. CALK OPERATING, LLC $1.6 M WEIR-RAMBIE CALFAS OIL, LLC $1.5 M JAMES, J.W. RAOL COMPANY, THE $1.5 M JAMES, J. W. JAMCO OIL $1.5 M MANDUJANO, ALFONZO MANDUJANO, ALFONSO, JR. $1.5 M HAYES, RICHARD DRACHEN OIL COMPANY $1.4 M KENNEY, ALBERT & JOHN PETROSAURUS, INC. $1.4 M LA GRANGE, ETHEL, EST. OF DRACHEN OIL COMPANY $1.4 M EASH, RICHARD L. KOKO SKADI, LLC $1.4 M DICKENS SEEKER OIL COMPANY, INCORPORATED $1.3 M SEFFEL -A- KOKO SKADI, LLC $1.3 M WIEMERS, C.T. -A- PETROSAURUS, INC. $1.2 M KENNY, WILLIAM PYRON ET UX PRODUCTION RESOURCES, INC. $1.2 M KLEMKE, FRED KOKO SKADI, LLC $1.2 M JAMES, L. M. KOKO SKADI, LLC $1.2 M KUENSTLER -A- SEEKER OIL COMPANY, INCORPORATED $1.1 M MORRIS, BEULAH -B- SEEKER OIL COMPANY, INCORPORATED $1.1 M KURZ, BEE T., ETAL DOWNING WELL SERVICE, INC. $1.1 M CALFAS A CALFAS OIL, LLC $1.1 M JOB, ALFRED PETROSAURUS, INC. $1.1 M CINTRA I PETRO LIONS, LLC $1.1 M BAILEY, JAMES M. PETROSAURUS, INC. $1.1 M CAROLYN MOJAVE RESOURCES, LLC $1.0 M BUSH, E. M. PETRO LIONS, LLC $1.0 M ERNST, GEORGE LANDOR OIL CO. $984 k BENSON MINERALS DRACHEN OIL COMPANY $973 k GILLILAND GLOBAL TRAINING ACADEMY, INC. $945 k WILLIAMS, MINNIE E. PETROSAURUS, INC. $942 k DOVE KOKO SKADI, LLC $939 k BROWN, HORACE PRODUCTION RESOURCES, INC. $921 k BAKER NO. 2 DOWNING WELL SERVICE, INC. $904 k MORRIS, BEULAH -A- SEEKER OIL COMPANY, INCORPORATED $899 k KURZ -A- KOKO SKADI, LLC $894 k ADAMS, CLARA KOKO SKADI, LLC $878 k KURZ -B- KOKO SKADI, LLC $861 k WEBB-A- PETROSAURUS, INC. $858 k GUTIERREZ, FELIPE MSSK CONSULTING LLC $858 k FEDERAL ROYALTY CO., ETAL -B- PETROSAURUS, INC. $840 k WINN PETROSAURUS, INC. $834 k FERRELL R W RANCH $828 k BAKER, E.M. -B- PETRO-TEX ENERGY & EXPL.CO.,INC. $827 k HEICKMAN -A- KOKO SKADI, LLC $815 k MALVEN, CHAS. W. PETROSAURUS, INC. $794 k BONANZA DRACHEN OIL COMPANY $787 k LONGORIA, THOS.,ET.UX. MOJAVE RESOURCES, LLC $784 k DOOLEY, ROSALIE SHAW -C- PRODUCTION RESOURCES, INC. $777 k JONES, LESTER H., ET AL RED CHALK RESOURCES LLC $777 k BOLDT TRACT -A- KOKO SKADI, LLC $770 k GORDEN S. -A- PETROSAURUS, INC. $765 k DOOLEY, ROSALIE SHAW -A- BETA OIL CORPORATION $759 k GOODWYN, A.B. CALK OPERATING, LLC $755 k STOCKARD LONGSHOT ENERGY LLC $753 k WISDOM RALYN CORP. $734 k WOOD, MAE LUE PETROSAURUS, INC. $714 k FORREST OAKS -B- PETROSAURUS, INC. $713 k SHAW, ROBERT -A- PRODUCTION RESOURCES, INC. $708 k WRIGHT, EMILY PETROSAURUS, INC. $702 k JAMES, F.C. RAOL COMPANY, THE $701 k FOWLER, SAM J. -A- CALK OIL COMPANY $699 k COLUNGA TEXAS SECONDARY OIL CORPORATION $699 k KNIGHT "C" KOKO SKADI, LLC $695 k EVANS, GEO. N. -B- TEXAS SECONDARY OIL CORPORATION $695 k FORTIER, A. J. PETRO LIONS, LLC $695 k SCHMIDT -A- KOKO SKADI, LLC $678 k BENNETT PETROSAURUS, INC. $678 k GALINDO, FRED -A- CALFAS OIL, LLC $673 k KOCH CALFAS CATTLE & OIL, LLC $671 k SHAW, ROBERT C PRODUCTION RESOURCES, INC. $665 k KENNEY "B" SEEKER OIL COMPANY, INCORPORATED $658 k BELL, EDDIE CALK OIL COMPANY $651 k GUTIERREZ, INEZ, EST. OF DRACHEN OIL COMPANY $649 k ERNST -E- KOKO SKADI, LLC $647 k RICK -A- PETROSAURUS, INC. $642 k HENDES-KRAUSE KOKO SKADI, LLC $633 k THORNE, LULA O., EST PETROSAURUS, INC. $631 k BRYAN, GLEN KOKO SKADI, LLC $626 k NICHOLS, LUCY PETROSAURUS, INC. $626 k SHARON T PETRO-TEX ENERGY & EXPL.CO.,INC. $617 k RILEY -B- PRODUCTION RESOURCES, INC. $616 k TICK, STEVE PETROSAURUS, INC. $613 k DOOLEY, ROSALIE SHAW B PRODUCTION RESOURCES, INC. $613 k BRISCOE -A- PETROSAURUS, INC. $602 k TABOR, ELSIE M. RED CHALK RESOURCES LLC $599 k RODRIGUEZ, AUGUSTIN DRACHEN OIL COMPANY $597 k JANIE D MOJAVE RESOURCES, LLC $586 k STEVENS, R. W. PETROSAURUS, INC. $585 k POLASEK, ALLEN PETRO LIONS, LLC $584 k NAEGELIN, JOHN JR. CALK OIL COMPANY $583 k BENSON, W.R.-FEE U. D. MAN, INC. $582 k BAKER -C- OLD CHIEF OIL, LLC $580 k MCBROOM, KERR ROEMER, DAVID E. $579 k PILGRIM, FLOYD PETROSAURUS, INC. $571 k MANION-JAGGE BETA OIL CORPORATION $562 k FOWLER, IMA PETROSAURUS, INC. $548 k BAKER -C- DOWNING WELL SERVICE, INC. $545 k BUSH, ED. PETRO LIONS, LLC $530 k HEICKMAN, W. M. PETROSAURUS, INC. $525 k OLDJAMIE OIL CALK, ROGER D. $520 k KOEHLER K2 PETROLEUM, INC. $520 k JOHNSON, CLARA "B" SEEKER OIL COMPANY, INCORPORATED $507 k KNIGHT "B" KOKO SKADI, LLC $503 k ERNST -D- KOKO SKADI, LLC $502 k FARRAN KOKO SKADI, LLC $498 k KLEMCKE, THEKLA -B- CALK OIL COMPANY $490 k MITCHELL KOKO SKADI, LLC $486 k VON ORMY LAND & CATTLE -A- PETROSAURUS, INC. $479 k FOWLER, J. W. PETRO LIONS, LLC $471 k LEE, W.T., SR. PRODUCTION RESOURCES, INC. $471 k BROWN, HORACE KOKO SKADI, LLC $469 k HARTUNG HEIRS/PICKENS GREEN STAR $464 k SEFFEL KOKO SKADI, LLC $462 k KURZ KOKO SKADI, LLC $459 k SPEARS CALFAS CATTLE & OIL, LLC $452 k ILFREY & WILKERSON -B- PETROSAURUS, INC. $451 k CASIAS, JIMMIE CALFAS OIL, LLC $446 k MASTERS SEEKER OIL COMPANY, INCORPORATED $445 k WINANS, ANDREW CALFAS OIL, LLC $445 k MIRELES, JESUS PETROSAURUS, INC. $444 k BRISCOE, JOE E. PETROSAURUS, INC. $443 k CARTER -A- KOKO SKADI, LLC $442 k JENKINS RED CHALK RESOURCES LLC $439 k MEAD, J. VARGAS OIL & GAS $435 k BRANDER BRANDER, SAM H. $434 k MARPAT C PRODUCTION RESOURCES, INC. $433 k GUENTHER -A- KOKO SKADI, LLC $432 k JOHNSON, CLARA "A" SEEKER OIL COMPANY, INCORPORATED $431 k VELTEN, E.C. UNIT MOJAVE RESOURCES, LLC $428 k SHAW, ROBERT A PRODUCTION RESOURCES, INC. $424 k WEBB, T.C. -A- K2 PETROLEUM, INC. $424 k KENNY, WILLIAM PYRON ET UX PRODUCTION RESOURCES, INC. $419 k KNIGHT KOKO SKADI, LLC $416 k FEDERAL ROYALTY CO., ETAL -A- PETROSAURUS, INC. $411 k ERNST -F- KOKO SKADI, LLC $408 k BARNES, P.H. CALFAS OIL, LLC $406 k GALINDO, FRED CALFAS OIL, LLC $402 k GUERRA, SOLOMON KOKO SKADI, LLC $402 k CLINE -D- PETROSAURUS, INC. $396 k HENLEY KOKO SKADI, LLC $394 k O'BRIEN -D- PAISANO PRODUCTION, INC. $391 k FAJITA UNIT PAISANO PRODUCTION, INC. $382 k KNAPP, O.L. CALK OIL COMPANY $380 k KOEHLER MOJAVE RESOURCES, LLC $374 k FRIESENHAHN-BUDNIK SOLLOHUB PETRO LLC $374 k MORRIS -D- PAISANO PRODUCTION, INC. $367 k KERR, L. A. WILEY LEASE CO., LTD. $366 k HICKS, KENNETH D. ET AL BLACK JACK SERVICES, L.L.C. $366 k YTUARTE -A- KOKO SKADI, LLC $366 k GLOVER-SADLER SEEKER OIL COMPANY, INCORPORATED $365 k MEAD, R.A. VARGAS OIL & GAS $362 k LEE EAST END PRODUCTION RESOURCES, INC. $360 k SHAW, ROBERT -BB- PRODUCTION RESOURCES, INC. $357 k GATES K.A. BARNES OIL & GAS OPER, LLC $354 k MITCHELL, BILLY PETROSAURUS, INC. $354 k BAPTIST CEMETERY JAMCO OIL $346 k TAYLOR RED CHALK RESOURCES LLC $341 k MCCAIN, L.W. -A- TRACT 3 CALFAS OIL, LLC $338 k MAHAN, T.J. -A- KOKO SKADI, LLC $337 k SALDANA, RAUL KOKO SKADI, LLC $331 k KURZ, R.G. JR. VARGAS OIL & GAS $331 k RILEY -C- PRODUCTION RESOURCES, INC. $329 k RILEY, MARY ELLA SHAW -AP- PRODUCTION RESOURCES, INC. $328 k MCCAIN KOKO SKADI, LLC $326 k MITCHELL "C" KOKO SKADI, LLC $324 k FOWLER, B. K., ETAL -D- PETROSAURUS, INC. $323 k FOWLER, B. K. PETROSAURUS, INC. $319 k CASTELLANO TEXAS SECONDARY OIL CORPORATION $318 k MORRIS "C" SEEKER OIL COMPANY, INCORPORATED $316 k TORRES, A. PETROSAURUS, INC. $311 k MCCAIN, L.W. OLD CHIEF OIL, LLC $304 k HARDY, SILVAN KOKO SKADI, LLC $303 k COOPER -H- SEEKER OIL COMPANY II, INC. $302 k LANDRUM, WILLIS L. CALFAS CATTLE & OIL, LLC $302 k MITCHELL B K.A. BARNES OIL & GAS OPER, LLC $299 k KNIGHT, ARCHIE DRACHEN OIL COMPANY $296 k MCCULLOUGH KOKO SKADI, LLC $294 k REEH, ADOLPH TEXAS SECONDARY OIL CORPORATION $293 k MARPAT PRODUCTION RESOURCES, INC. $293 k BRANDT, HERBERT C. PETROSAURUS, INC. $285 k BAILEY, EVERETT N. PETROSAURUS, INC. $284 k STOKES, O.K. MAGNUM OILFIELD SERVICES LLC $284 k NEWMAN, C. KOKO SKADI, LLC $280 k
Field number 84560001 , from the Railroad Commission's field register. The register's own index resolves 1,033 leases and 5,137 wells to this field by name, over every lease in Texas rather than only those with a page here. It resolves a lease by NAME and refuses an ambiguous one, so it counts nothing for a field that shares its name with another — which is why the lease count above comes from the field number instead.