Home Fields FAIRFIELD Value, all time
65% of the register's 434
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 280 leases in this field that have a page here — 65% of the register's 434 — 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 532 517 24,630 bbl 12 mcf casinghead 3,859,545 bbl since discovery Gas 1 0 0 mcf 0 bbl condensate 138,670 mcf since 1970
The discovery well's oil measured 28.0° API gravity, perforated at 1,196 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 — 150 ft 300 ft 40 0 ft Oil B — 150 ft 300 ft 2 0 ft
Commission remarks: QUESTIONNAIRE OR STATEMENT OF MARKET CONDITIONS.
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 280 leases, by the value we compute. Every one of them is in the sitemap.
Lease Operator Value GILBERT RED CHALK RESOURCES LLC $2.1 M BARRY -C- MOJAVE RESOURCES, LLC $1.3 M FRANGER CALFAS OIL, LLC $1.2 M KELLER 1859 OPERATING LLC $1.2 M MILLER, D. CALK OIL COMPANY $1.1 M JONES-MCGLOTHLIN CALK, ROGER D. $1.1 M PMI FOSTER 1859 OPERATING LLC $1.1 M EPSTEIN-BALBOA -A- CALK, ROGER D. $984 k ERD UNIT JM CALK OPERATING, LLC $817 k HENRY CALFAS OIL, LLC $816 k AGUILAR, CIRILDO CALK, ROGER D. $765 k SMITH (R) DRACHEN OIL COMPANY $730 k RALPH & SONS FARMS, INC. PREMIER MINERALS, INC. $725 k CREEK CALK, ROGER D. $715 k BROWN JM CALK OPERATING, LLC $710 k HAECKER JM CALK OPERATING, LLC $703 k GARZA (R) DRACHEN OIL COMPANY $700 k PURVIS CALFAS OIL, LLC $682 k FOSTER, J.R. K.A. BARNES OIL & GAS OPER, LLC $648 k MARTINEZ, ADELA CALK, ROGER D. $626 k MENCHACA 1859 OPERATING LLC $615 k ROGERS, F.H. AAA OIL COMPANY $612 k SALAS SALAS-APACHE OIL LLC $603 k TENAMPA DRACHEN ENERGY CO. $600 k DELAO, OPHELIA CALK, ROGER D. $590 k AGUILAR DRACHEN OIL COMPANY $507 k LIEBE-HOUSE A SIMCO OIL, LLC $503 k SAUER, OLGA K.A. BARNES OIL & GAS OPER, LLC $485 k GILBERT, WENDELL -A- OMNI OIL & GAS, INC. $482 k ARMSTRONG UNIT PETRO LIONS, LLC $437 k POERNER, LOUISE HARDWICK, ROSS H. OIL COMPANY $430 k GARZA JM CALK OPERATING, LLC $401 k CHANEY, TOM FEE CALFAS CATTLE & OIL, LLC $396 k SCHNEIDER, GEORGE P. CALK, ROGER D. $395 k BOND LONGSHOT ENERGY LLC $380 k GROTHUES,G B OIL #2 GROTHUES, G B OIL $365 k GROTHUES,G B OIL #1 GROTHUES, G B OIL $364 k GOTT, SAM CALK, ROGER D. $325 k NANCY JM CALK OPERATING, LLC $307 k PURVIS, JAMES LOUIS GONZALEZ, EUGENE JR $292 k ILTIS, MATHILDA SIMCO OIL, LLC $290 k BROWN, ALICIA CALK, ROGER D. $277 k CACY-SAUER UNIT 1859 OPERATING LLC $276 k FRANGER "A" CALFAS OIL, LLC $272 k HAGGARD RANCH HAGGARD OPERATING GROUP/OIL $269 k NENTWICH, J. SIMCO OIL, LLC $265 k YOUNG CALFAS CATTLE & OIL, LLC $251 k DAVID RIHN, JR. LONGSHOT ENERGY LLC $247 k KEELING, GEORGE W. CALK, ROGER D. $245 k HAGGARD -JRJ- HAGGARD OPERATING GROUP/OIL $234 k FANCHER CALK, ROGER D. $234 k NATAL UNIT PETRO LIONS, LLC $233 k NIXON CALK, ROGER D. $230 k MENCHACA MOJAVE RESOURCES, LLC $227 k PACHECO, JOEL G. JR. GONZALEZ, EUGENE JR $209 k RIDDLE DRACHEN OIL COMPANY $209 k NAEGELIN, JOHN E. CALK, ROGER D. $196 k POERNER, A. BETA OIL CORPORATION $196 k PETTIT, EDWARD YORK ET AL UNIT GONZALEZ, EUGENE JR $194 k NENTWICH, JOSEPH H. SIMCO OIL, LLC $193 k KEILMANN, LOUIS R. MOJAVE RESOURCES, LLC $189 k CIBILDAK SIMCO OIL, LLC $180 k VASQUEZ, M. GENIE OIL COMPANY "A" $171 k MENCHACA CALK OIL COMPANY $170 k HAGGARD-HARBO "1985" HAGGARD OPERATING GROUP/OIL $168 k BOENIG, R. L. PETRO LIONS, LLC $168 k WHITE, ELI D.C. OIL $167 k CUNNINGHAM CALK, ROGER D. $166 k SADA CALK OIL COMPANY $165 k MASSEY, MARVIN M. JR. FUEGO ENERGY, LLC $158 k ROOF, JOHN H. PETROSAURUS, INC. $157 k RODRIGUEZ MOJAVE RESOURCES, LLC $154 k MENCHACA MOJAVE RESOURCES, LLC $145 k PIERCE LONGSHOT ENERGY LLC $142 k RUSSELL, WILLIAM A. CALK, ROGER D. $142 k HAGGARD -TPA- HAGGARD OPERATING GROUP/OIL $140 k SMITH CACTUS GAS & OIL, INC. $137 k BARLITE, INC. DRACHEN OIL COMPANY $137 k RALPH & SONS FARMS, INC RLU OPERATING, LLC $133 k CHEUSDE, MATHEW BLACKBIRD OIL & GAS, LLC. $133 k BOENIG, R.L. PARK AVENUE RESOURCES, INC. $133 k BEL UNIT PARK AVENUE RESOURCES, INC. $128 k GRUBBS & HOLLOWAY RLU OIL & GAS, INC. $124 k WHITE, C. CAMPBELL DRACHEN OIL COMPANY $124 k AUSTIN, A. W. FUEGO ENERGY, LLC $118 k HAGGARD -BRS- HAGGARD OPERATING GROUP/OIL $116 k TENAMPA CACTUS GAS & OIL, INC. $112 k JFE FOSTER 1859 OPERATING LLC $109 k KOENIG, W.E. CALK, ROGER D. $102 k FOSTER K.A. BARNES OIL & GAS OPER, LLC $100 k MCLAUGHLIN, STEVEN DRACHEN OIL COMPANY $99 k GARZA CACTUS GAS & OIL, INC. $97 k AGUILAR CACTUS GAS & OIL, INC. $93 k MCDANIEL PETRO LIONS, LLC $88 k CRAWFORD, LEONARD PETRO LIONS, LLC $86 k ECHTLE B 1859 OPERATING LLC $85 k ALVARADO, J. GONZALEZ, EUGENE JR $79 k MILLER LONGSHOT ENERGY LLC $79 k POPE DRACHEN OIL COMPANY $79 k EPSTEIN & BALBOA PARTNERSHIP CALK, ROGER D. $76 k BIESENBACH SIMCO OIL, LLC $75 k SAWYER, N.C. JM CALK OPERATING, LLC $73 k LIEBE-HOUSE 18 SIMCO OIL, LLC $65 k WHEILES, RUTH J. DRACHEN OIL COMPANY $59 k CASTILLO, RAUL CALK, ROGER D. $58 k KELLER 9 1859 OPERATING LLC $57 k BARTLETT, O.D. HARDWICK, ROSS H. OIL COMPANY $56 k GROBE, CLEMENS C. GENIE OIL COMPANY "A" $53 k LIEBE-HOUSE -B- HARDWICK, ROSS H. OIL COMPANY $53 k SHADROCK, H. B. PETROSAURUS, INC. $52 k KING, DON PARK AVENUE RESOURCES, INC. $49 k HALE, CLARENCE RPG OPERATING LLC $49 k LOESSBERG-A GENIE OIL COMPANY $48 k WHITE, C. CAMPBELL DRACHEN OIL COMPANY $44 k JACOBY CALK, ROGER D. $43 k PALM, EDWIN H. PMP $40 k BERRY-HOUSE OILEX INT'L INVESTMENTS, INC. $39 k VAN ZANDT, C.C. MORE TEXAS OIL $36 k LIEBE-HOUSE -A- HARDWICK, ROSS H. OIL COMPANY $36 k ECHTLE, FRANCIS 1859 OPERATING LLC $36 k HYMAN FARMS -B- STARR OPERATING COMPANY $32 k BARRY "C" GENIE OIL COMPANY $32 k THURMAN, A.V. GREAT PLAINS RESOURCES, INC. $30 k CACY-SAUER -C- BARNES, K. A. $29 k LUCY ALDERMAN A TEXAS OIL AND GAS OPERATING, LLC $24 k MUNGER, MILDRED K.A. BARNES OIL & GAS OPER, LLC $24 k IBARRA, ANTONIO IBARRA, ANTONIO L. $23 k LIEBE-HOUSE HARDWICK, ROSS H. OIL COMPANY $23 k BOHL, EDWARD A. CALFAS CATTLE & OIL, LLC $22 k HILDERBRAND, R. E. STARR OPERATING COMPANY $21 k JACKEL, C.J. DIAMOND TRADING & PIPELINE CORP $20 k YOUNG, T. C. CRYSTAL RESOURCES, INC $20 k MORING -BRS- SEEKER OIL COMPANY, INCORPORATED $19 k HYMAN FARMS STARR OPERATING COMPANY $19 k MENCHACA 5 & 6 MORE TEXAS OIL $19 k LIEBE-HOUSE HARDWICK, ROSS H. OIL COMPANY $17 k ROEGELEIN GREAT PLAINS RESOURCES, INC. $17 k OHLHAUSEN CRYSTAL RESOURCES, INC $16 k TOWNSEND, CHARLES TOWNSEND, C. L. MRS. $16 k DALROS-HJH GINCO OPERATING CO. $15 k ALAMO PRODUCTIONS, INC. RLU OPERATING, LLC $14 k BAILEY, JOHN E. GREAT PLAINS RESOURCES, INC. $14 k O'NEAL, M. J. PARTIN, CHARLES $14 k CACY, W. L. BARNES, K. A. $13 k MILWARD, BYRON CALK, ROGER D. $13 k QUINTANILLA, T.C. QUINTANILLA, TONY C. $13 k ROGERS HARDWICK, ROSS H. OIL COMPANY $13 k POGUE, C.P. OILEX INT'L INVESTMENTS, INC. $13 k MILLER, DENNIS R. ET UX MILLER, DENNIS $12 k MCDONALD CALK, ROGER D. $12 k CUEVAS-MCNAB OILEX INT'L INVESTMENTS, INC. $12 k WANJURA, OTIS STARR OPERATING COMPANY $11 k LUKER, CARL S. LUKER, CARL S. $11 k MALDONADO, JOSE S. MORE TEXAS OIL $10 k LOESSBERG -B- CRYSTAL RESOURCES, INC $10 k BLANTON, M. W. DIAMOND TRADING & PIPELINE CORP $10 k LOESSBERG "C" CRYSTAL RESOURCES, INC $10 k MENCHACA MORE TEXAS OIL $10 k REYES, PAUL TEXAS WELLBORE POOL $9 k PRICE, JOHN P. PALMIGO OIL CO. $9 k MAHLER, E. W. DIAMOND TRADING & PIPELINE CORP $9 k KELLER, EMMA CRYSTAL RESOURCES, INC $9 k PRICE, JOHN P. STARR OPERATING COMPANY $9 k CRUZ, ROBERTO STARR OPERATING COMPANY $9 k CACY-SAUER -A- BARNES, K. A. $9 k PARRISH, M.L. CACTUS GAS & OIL, INC. $9 k PHARR OHLHAUSEN PETROLEUM COMPANY $9 k KONDOFF-MCNAB HARDWICK, ROSS H. OIL COMPANY $8 k LEWIS, RAY GREAT PLAINS RESOURCES, INC. $8 k PRICE, L. J. MORE TEXAS OIL $8 k LIEBE-HOUSE #20 HARDWICK, ROSS H. OIL COMPANY $8 k MENDEZ, LARRY WAYNE ANACACHO PRODUCTION COMPANY $7 k MINIX, K.W. K. V. D. OIL COMPANY $6 k GARY, M.E. TRUSTEE HARDWICK, ROSS H. OIL COMPANY $6 k LIEBE-HOUSE -C- HARDWICK, ROSS H. OIL COMPANY $6 k CANAL, H. & K. CRYSTAL RESOURCES, INC $6 k DENISON, J.E. OILEX INT'L INVESTMENTS, INC. $6 k LIEBE-HOUSE -4- HARDWICK, ROSS H. OIL COMPANY $6 k ANDERSON, JAMES J. MORE TEXAS OIL $6 k NENTWICH, HENRY GINCO OPERATING CO. $6 k FLORES, RICHARD HARDWICK, ROSS H. OIL COMPANY $6 k BRUTON, DEWEY ETUX DIAMOND TRADING & PIPELINE CORP $6 k GRAY, FRANK C. CLAMP OPERATING INCORPORATED $6 k NENTWICH, JOHN W. STARR OPERATING COMPANY $6 k STOUP, H. C. DIAMOND TRADING & PIPELINE CORP $5 k SCOGGIN, L.V. PARTIN, CHARLES $5 k BLACKSTOCK, H. E. A /SAUER/ STARR OPERATING COMPANY $5 k RODRIQUEZ, PAUL O. CALK, ROGER D. $5 k BALL, H. ALLIE -B- TOWNSEND, C. L. MRS. $5 k RODRIQUEZ-LYONS OIL UNIT PARTIN, CHARLES $4 k CONRAD, ALEX J. GINCO OPERATING CO. $4 k GANN, LEO STARR OPERATING COMPANY $3 k CONSTANZO GREAT PLAINS RESOURCES, INC. $3 k BOUNDS, JOHN K. TOBOSA OIL AND GAS COMPANY $3 k CONSTANZA, DANIEL JR. GROSSO CONSTRUCTION COMPANY, INC $3 k JACKEL, C.J. -B- STARR OPERATING COMPANY $3 k WATTS, J.W. D-5 GREAT PLAINS RESOURCES, INC. $3 k MCELROY, C. E. GREAT PLAINS RESOURCES, INC. $3 k BALL, H. A. CRYSTAL RESOURCES, INC $3 k LAMKIN, W. H. CRYSTAL RESOURCES, INC $3 k
Field number 30007001 , from the Railroad Commission's field register. The register's own index resolves 434 leases and 1,614 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.