Oil and gas leases in Medina County

Medina County, Texas has 331 oil and gas leases with production on file at the Railroad Commission, all of them in Commission district 01. 298 of them are oil leases and 33 are gas leases. Between them they carry 3,164 wellbores. Reported volumes run from January 1993 to August 2026 and come to 3.5 million barrels of oil and 964 thousand Mcf of gas. 122 operators file returns here. Every lease below has its own page with a decline-curve forecast and an estimate of what the whole lease is worth.

Key facts about Medina County

How many oil and gas leases are in Medina County?: Medina County has 331 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Medina County produced?: Leases in Medina County have reported 3,480,265 barrels of oil (bbl) and 964,329 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
Who are the biggest operators in Medina County?: Harmony Drilling Company, Inc. operates 18 of the 331 producing leases in Medina County, more than any other operator on record with the Railroad Commission of Texas.
How many operators are active in Medina County?: 122 operators file production returns for leases in Medina County.
How much are mineral rights in Medina County worth?: There is no single figure: what a mineral or royalty interest in Medina County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 331 leases listed here has its own page with the full production history the operator reported, a decline-curve forecast, and an estimate of what a royalty interest in it is worth today.

Operators here

The company that runs the wells and issues the royalty cheque.

Harmony Drilling Company, Inc. — 18 leases
Rlu Oil & Gas, Inc. — 15 leases
Seagull Operating Co., Inc. — 15 leases
Hardwick, Ross H. Oil Company — 10 leases
Aztec Drilling & Operating, LLC — 9 leases
Genie Oil Company — 9 leases
Production Resources, Inc. — 9 leases
Ginco Operating Co. — 8 leases
Klaeger, J. H. — 8 leases
V/J Oil Company — 8 leases
Activa Resources, LLC — 7 leases
1859 Operating LLC — 7 leases
Faseler, Robert A &Dora Mcanelly — 7 leases
Gaea Services, Inc. — 7 leases
Jenex Operating Company Of Texas — 7 leases
Rlu Operating, LLC — 6 leases
Texas Secondary Oil Corporation — 6 leases
Activa Resources, Ltd. — 5 leases
Barnes, K. A. — 5 leases
Cooke Energy Company — 5 leases
S.O.C. Investors, Inc. — 5 leases
Virtex Petroleum Company, Inc. — 5 leases
338 Oil & Gas, Inc. — 4 leases
Rao Oil Company — 4 leases
Ackerman, Albert C. — 3 leases
Burns, Jack — 3 leases
Chicken Coop, Inc., The — 3 leases
Dolphin Petroleum — 3 leases
Essaryco — 3 leases
Herber, Carl R. — 3 leases
Hickey, Eugene — 3 leases
Huntsman & Schomberg — 3 leases
Kenilworth Oil Company, Ltd. — 3 leases
Klaeger Services, Inc. — 3 leases
Medina Gas Company — 3 leases
Moebius, Preston F. — 3 leases
Omni Oil & Gas, Inc. — 3 leases
Premier Minerals, Inc. — 3 leases
Resaca Resources, L.L.C. — 3 leases
Stokes, King — 3 leases
Tanos Production, Inc. — 3 leases
Wetzel Oil Company — 3 leases
Aminex USA, Inc. — 2 leases
Cardinal Energy Company — 2 leases
CBR Oil Company — 2 leases
Fohn, E. L. — 2 leases
Grothues, Albert Henry — 2 leases
Jay-Dee Operating Company — 2 leases
Nails Operating Company LLC — 2 leases
Sabinal Resources, Inc. — 2 leases
Aaa Oil Company — 1 lease
Adams, A. G., The Estate Of — 1 lease
Anacacho Production Company — 1 lease
Bar M Petroleum Co. — 1 lease
Barnes Production — 1 lease
Benke, Malvern — 1 lease
Bingham, Clark — 1 lease
Black Creek Oil Company, LLC — 1 lease
Black Jack Well Service, Inc. — 1 lease
Blackbird Oil & Gas, LLC. — 1 lease

Railroad Commission districts

District 01 — 331 leases

Leases — page 1 of 2

SCHMIDT, IRA G., MRS. — oil, Klaeger Services, Inc., Medina County, 202 thousand reported
MIDDLETON PETROLEUM — oil, Jenex Operating Company Of Texas, Medina County, 159 thousand reported
WOOD, ROBERT W. ET AL -A- — oil, Hughes, Dan A. Company, Medina County, 157 thousand reported
WANJURA — oil, Omni Oil & Gas, Inc., Medina County, 127 thousand reported
WILSON, J. N. — oil, Texas Secondary Oil Corporation, Medina County, 106 thousand reported
HICKEY — gas, Hickey, Eugene, Medina County, 99 thousand reported
GRAY, CLARA UNIT -1- — oil, Jenex Operating Company Of Texas, Medina County, 91 thousand reported
GOSSETT — oil, Medina Gas Company, Medina County, 90 thousand reported
HICKEY — gas, Dolphin Petroleum, Medina County, 85 thousand reported
HICKEY — gas, Dolphin Petroleum, Medina County, 70 thousand reported
MELTON, W. B. — oil, Klaeger Services, Inc., Medina County, 67 thousand reported
HICKEY — gas, Dolphin Petroleum, Medina County, 66 thousand reported
HUTZLER "C" — oil, Klaeger, J. H., Medina County, 64 thousand reported
WARD-WENDLAND — oil, Harmony Drilling Company, Inc., Medina County, 64 thousand reported
ANGERMILLER, E.L. — oil, Briar Hollow Energy Company, Medina County, 63 thousand reported
HICKEY — gas, Activa Resources, Ltd., Medina County, 63 thousand reported
FASELER — gas, Activa Resources, Ltd., Medina County, 63 thousand reported
MCANELLY, G. C. — gas, Activa Resources, Ltd., Medina County, 56 thousand reported
FASELER, DORA M. — gas, Faseler, Robert A &Dora Mcanelly, Medina County, 55 thousand reported
FASELER, DORA M. — gas, Faseler, Robert A &Dora Mcanelly, Medina County, 54 thousand reported
HICKEY — gas, Activa Resources, LLC, Medina County, 52 thousand reported
SCHMIDT, LENORA — oil, Production Resources, Inc., Medina County, 51 thousand reported
W.W.R. INC. — oil, W.W.R. Inc., Medina County, 51 thousand reported
HICKEY — gas, Aminex USA, Inc., Medina County, 51 thousand reported
FASELER, DORA M. — gas, Faseler, Robert A &Dora Mcanelly, Medina County, 50 thousand reported
WILSON, J. N. — oil, Rorico Oil Company, Medina County, 50 thousand reported
HICKEY — gas, Activa Resources, Ltd., Medina County, 50 thousand reported
AZTEC MOEBIUS — oil, Texas Secondary Oil Corporation, Medina County, 46 thousand reported
HICKEY — gas, Hickey, Eugene, Medina County, 44 thousand reported
KELLER — oil, Omni Oil & Gas, Inc., Medina County, 44 thousand reported
BIEDIGER — oil, Rlu Operating, LLC, Medina County, 43 thousand reported
WILSON, J. N. -C- — oil, Klaeger, J. H., Medina County, 41 thousand reported
ROGERS -B- — oil, V/J Oil Company, Medina County, 40 thousand reported
WILSON TERTIARY UNIT — oil, Resaca Resources, L.L.C., Medina County, 39 thousand reported
AZTEC WILSON 'P' UNIT 2 — oil, Aztec Drilling & Operating, LLC, Medina County, 38 thousand reported
SCHMIDT, LENORA -B- — oil, Production Resources, Inc., Medina County, 38 thousand reported
AZTEC WILSON P — oil, Aztec Drilling & Operating, LLC, Medina County, 38 thousand reported
WILSON, J. N. — oil, Production Resources, Inc., Medina County, 36 thousand reported
KENILWORTH — gas, Kenilworth Oil Company, Ltd., Medina County, 35 thousand reported
SCHMIDT, BETTYE — oil, Tanos Production, Inc., Medina County, 34 thousand reported
WILSON, J. N., -A- — oil, Klaeger, J. H., Medina County, 34 thousand reported
HUTZLER -A- — oil, Klaeger, J. H., Medina County, 32 thousand reported
WYATT, GEORGE L. — oil, Genie Oil Company, Medina County, 30 thousand reported
AZTEC BETTY A — oil, Aztec Drilling & Operating, LLC, Medina County, 29 thousand reported
BENDELE, HELEN, ETAL — oil, Harmony Drilling Company, Inc., Medina County, 28 thousand reported
SCHMIDT, OSCAR — oil, Production Resources, Inc., Medina County, 26 thousand reported
SCHMIDT, G.E. — oil, Gaea Services, Inc., Medina County, 26 thousand reported
BARRERA, CARLOS M. — oil, Mig-Leo Oil Co., Medina County, 26 thousand reported
SCHWEERS, M. F. — oil, Harmony Drilling Company, Inc., Medina County, 26 thousand reported
RALL, GEORGE E. — oil, Genie Oil Company, Medina County, 25 thousand reported
DRYDEN, E. J. — oil, Rlu Oil & Gas, Inc., Medina County, 25 thousand reported
BENDELE, HENRY — oil, Cardinal Energy Company, Medina County, 25 thousand reported
BAILEY, JAMES JR. — oil, Jay-Dee Operating Company, Medina County, 25 thousand reported
HERRING-HOLLOWAY — oil, Production Resources, Inc., Medina County, 25 thousand reported
N. N. H. UNIT — gas, Schafer Oil Co., Inc., Medina County, 25 thousand reported
WILSON, J. N. -B- — oil, Production Resources, Inc., Medina County, 25 thousand reported
SCHMIDT, IRA G., MRS. — oil, Chessher, Otto Drilling Company, Medina County, 23 thousand reported
SCHMIDT, BETTYE -B- — oil, Harmony Drilling Company, Inc., Medina County, 22 thousand reported
ADAMS RANCH "D" — oil, Kenilworth Oil Company, Ltd., Medina County, 21 thousand reported
KELLER — oil, Omni Oil & Gas, Inc., Medina County, 21 thousand reported
AZTEC-SCHMIDT S — oil, Aztec Drilling & Operating, LLC, Medina County, 20 thousand reported
WILSON, J. N. "P" — oil, Moebius, Preston F., Medina County, 19 thousand reported
SCHMIDT, BETTIE "S" — oil, S. & S. Oil Properties, Medina County, 19 thousand reported
BIRY TRACT II — oil, Gaea Services, Inc., Medina County, 19 thousand reported
AZTEC GE — oil, Aztec Drilling & Operating, LLC, Medina County, 19 thousand reported
NEUMANN, V. H. -B- — oil, Production Resources, Inc., Medina County, 19 thousand reported
BROWN, OLGA — oil, Brown, Al, MRS., Medina County, 18 thousand reported
AZTEC-SCHWEERS — oil, Resaca Resources, L.L.C., Medina County, 18 thousand reported
WILSON, J. N. "G" — oil, Gaea Services, Inc., Medina County, 18 thousand reported
ECHTLE, FRANCIS — oil, Niemeyer, L. C., Medina County, 17 thousand reported
PMI FOSTER — oil, Premier Minerals, Inc., Medina County, 17 thousand reported
GREEN, NOBLE J. — oil, Green Field Production Company, Medina County, 17 thousand reported
NEUMANN, V. H. — oil, Production Resources, Inc., Medina County, 16 thousand reported
MELTON, W. B. — oil, Mite Energy Co., Medina County, 16 thousand reported
MEDINA -A- — oil, Rlu Oil & Gas, Inc., Medina County, 16 thousand reported
SCHAUTTEET, R. — oil, Klaeger Services, Inc., Medina County, 15 thousand reported
NEWMAN, LEE R. — oil, Newman, Lee R., Medina County, 15 thousand reported
SCHMIDT, OSCAR B — oil, Wealth Quest International, Inc, Medina County, 15 thousand reported
DORFMEISTER, L. — oil, Hardwick, Ross H. Oil Company, Medina County, 15 thousand reported
HABY-MANGOLD — oil, Ackerman, Albert C., Medina County, 15 thousand reported
WERNETTE, LOUIS J. — oil, Wernette, Louis J., Medina County, 14 thousand reported
WILSON, J. N. "H" — oil, Harmony Drilling Company, Inc., Medina County, 14 thousand reported
HICKEY — oil, Activa Resources, LLC, Medina County, 14 thousand reported
FOSTER, J.R. — oil, Barnes Production, Medina County, 14 thousand reported
HAASS, JEANNE C. — oil, Essaryco, Medina County, 14 thousand reported
RACKLEY, HENRY — oil, Rlu Oil & Gas, Inc., Medina County, 13 thousand reported
ROGERS, F.H. — oil, Aaa Oil Company, Medina County, 13 thousand reported
ROGERS, C. C. UNIT -1- — oil, Jenex Operating Company Of Texas, Medina County, 13 thousand reported
WEIMERS, ALFRED B. -A- — oil, Jay-Dee Operating Company, Medina County, 12 thousand reported
AZTEC-WOODS — oil, Resaca Resources, L.L.C., Medina County, 12 thousand reported
SCHMIDT, CHESTER R. — gas, Medina Gas Company, Medina County, 12 thousand reported
WEINSTROM PETROLEUM — oil, Hoese Petroleum, Medina County, 12 thousand reported
ADKINS — oil, Rex Oil, A Texas Partnership, Medina County, 12 thousand reported
LILLY — oil, Seagull Operating Co., Inc., Medina County, 11 thousand reported
FASELER, DORA M. — gas, Activa Resources, Ltd., Medina County, 11 thousand reported
KOEMEL, J.J. — oil, Harmony Drilling Company, Inc., Medina County, 11 thousand reported
GODDEN, AMZI — oil, V/J Oil Company, Medina County, 11 thousand reported
RALPH & SONS FARMS, INC. — oil, Premier Minerals, Inc., Medina County, 11 thousand reported
HERBER, EMMERT -A- — oil, Herber, Carl R., Medina County, 11 thousand reported
K. KOHLLEPPEL — oil, Rlu Operating, LLC, Medina County, 10 thousand reported
LAMON, JOSEPH — oil, Genie Oil Company, Medina County, 10 thousand reported
MENCHACA — oil, Premier Minerals, Inc., Medina County, 10 thousand reported
GOSSETT — oil, Black Creek Oil Company, LLC, Medina County, 10 thousand reported
WILSON, J. N. — oil, Klaeger, J. H., Medina County, 10 thousand reported
POERNER, LOUISE — oil, Source Petroleum Inc., Medina County, 10 thousand reported
MONTEZ-DRYDEN — oil, Rlu Oil & Gas, Inc., Medina County, 10 thousand reported
MCWILLIAMS, GLENN — oil, Chicken Coop, Inc., The, Medina County, 9 thousand reported
AZTEC-WILSON A — oil, Aztec Drilling & Operating, LLC, Medina County, 9 thousand reported
REIMHERR, ROBERT N. — oil, Genie Oil Company, Medina County, 9 thousand reported
SHULLANBERGER — oil, S.O.C. Investors, Inc., Medina County, 9 thousand reported
LAMM, ROBERT P. — oil, Hardwick, Ross H. Oil Company, Medina County, 9 thousand reported
FASELER, ROBERT A. ET UX — oil, Faseler, Robert A &Dora Mcanelly, Medina County, 9 thousand reported
IRWIN — oil, Harmony Drilling Company, Inc., Medina County, 8 thousand reported
NEUMAN, CLARA T. — oil, Moebius, Preston F., Medina County, 8 thousand reported
FOHN, E. L. -A- — oil, Fohn, E. L., Medina County, 8 thousand reported
JETTON, LESTER — oil, Genie Oil Company, Medina County, 8 thousand reported
HAIRRELL, GLADYS — oil, Tanos Production, Inc., Medina County, 8 thousand reported
BAILEY, JAMES — oil, Harmony Drilling Company, Inc., Medina County, 8 thousand reported
GODDEN, C.C. — oil, V/J Oil Company, Medina County, 8 thousand reported
WALTHER — oil, Ackerman, Albert C., Medina County, 8 thousand reported
BAILEY, JAMES & REGINA — oil, V/J Oil Company, Medina County, 8 thousand reported
DIAS, LUCILLE — oil, Hardwick, Ross H. Oil Company, Medina County, 8 thousand reported
KING, J. H. — oil, Barnes, K. A., Medina County, 8 thousand reported
COBB LEASE UNIT #1-STEWART — oil, Rlu Oil & Gas, Inc., Medina County, 8 thousand reported
NAEGELIN, JOHN E. ET UX — gas, Regency Energy, Inc., Medina County, 7 thousand reported
FOHN, EDWARD UNIT II — oil, V/J Oil Company, Medina County, 7 thousand reported
MAYHEW, GUY — oil, Mayhew, Rex, Medina County, 7 thousand reported
GROSS, JOSEPH — oil, Barnes, K. A., Medina County, 7 thousand reported
MOEBIUS, F. — oil, Moebius, Preston F., Medina County, 7 thousand reported
REICHERZER, WALLACE — oil, Ackerman, Albert C., Medina County, 7 thousand reported
MIDDLETON PETROLEUM A — oil, Wetzel Oil Company, Medina County, 7 thousand reported
CHANEY, TOM FEE — oil, Chaney, Tom, Medina County, 7 thousand reported
BIRY TRSCT III — oil, Gaea Services, Inc., Medina County, 7 thousand reported
RHODES, J.E. "S" — oil, Harmony Drilling Company, Inc., Medina County, 7 thousand reported
SCHMIDT, J.D. UNIT I — oil, P-H Investments, Medina County, 7 thousand reported
GROTHUES,G B OIL #1 — oil, Grothues, Albert Henry, Medina County, 7 thousand reported
LEPPERT, E. G. — oil, Four Forty One Oil Co., Medina County, 7 thousand reported
GROTHUES,G B OIL #2 — oil, Grothues, Albert Henry, Medina County, 6 thousand reported
COBB LEASE UNIT #1-CARTER — oil, Rlu Oil & Gas, Inc., Medina County, 6 thousand reported
MEIER, VICTOR C — oil, Herber, Carl R., Medina County, 6 thousand reported
BLATZ — oil, Seagull Operating Co., Inc., Medina County, 6 thousand reported
DOWNING, DOUGLAS V. — oil, Downing, Douglas V., Medina County, 6 thousand reported
WILSON 'P' UNIT 3 — oil, Texas Secondary Oil Corporation, Medina County, 6 thousand reported
WALTON, S.L. — oil, V/J Oil Company, Medina County, 6 thousand reported
COBB LEASE UNIT #1-MENDOZA — oil, Rlu Oil & Gas, Inc., Medina County, 6 thousand reported
BOND — oil, 338 Oil & Gas, Inc., Medina County, 5 thousand reported
GREEN, NOBLE J. I — oil, Black Jack Well Service, Inc., Medina County, 5 thousand reported
TAMPKE, BILL — oil, Park Avenue Resources, Inc., Medina County, 5 thousand reported
AZTEC OSCAR C — oil, Aztec Drilling & Operating, LLC, Medina County, 5 thousand reported
BROWN, JAMES — oil, Genie Oil Company, Medina County, 5 thousand reported
JUNGMAN, GEO. — oil, Barnes, K. A., Medina County, 5 thousand reported
ADAMS 'A' — oil, Activa Resources, LLC, Medina County, 5 thousand reported
AZTEC OSCAR D — oil, Aztec Drilling & Operating, LLC, Medina County, 5 thousand reported
JANICKE, FRANK — oil, Harmony Drilling Company, Inc., Medina County, 5 thousand reported
RODRIGUEZ, MARIO E. — oil, Burns, Jack, Medina County, 5 thousand reported
RHODES, J. E. — oil, Harmony Drilling Company, Inc., Medina County, 5 thousand reported
WEINSTROM, HERBERT & JANET ELAIN — oil, Harmony Drilling Company, Inc., Medina County, 5 thousand reported
STIEGLER, HAROLD — oil, S.O.C. Investors, Inc., Medina County, 5 thousand reported
POERNER, A. — oil, Klaeger, J. H., Medina County, 5 thousand reported
WARD, J. W., JR. — oil, Hardwick, Ross H. Oil Company, Medina County, 4 thousand reported
BIRY, FRANK -A- — oil, Gaea Services, Inc., Medina County, 4 thousand reported
J. N. WILSON K — oil, Texas Secondary Oil Corporation, Medina County, 4 thousand reported
ADAMS RANCH — gas, Activa Resources, LLC, Medina County, 4 thousand reported
YOUNG — oil, Proex Energy Management, L.L.C., Medina County, 4 thousand reported
FRAZIER, E. — oil, Hardwick, Ross H. Oil Company, Medina County, 4 thousand reported
SCHMIDT, O. K. — oil, Production Resources, Inc., Medina County, 4 thousand reported
NAEGELIN, JOHN ET UX — gas, Krueger, M. A., Operator, Medina County, 4 thousand reported
LANFORD, S. T. — oil, Mayo Oil Co., Medina County, 4 thousand reported
LEWIS — oil, Seagull Operating Co., Inc., Medina County, 4 thousand reported
LILLY, -B- — oil, Seagull Operating Co., Inc., Medina County, 4 thousand reported
BEAUCHAMP — oil, Seagull Operating Co., Inc., Medina County, 4 thousand reported
BIRY, ALFRED — oil, Harmony Drilling Company, Inc., Medina County, 4 thousand reported
BOHL — oil, Seagull Operating Co., Inc., Medina County, 4 thousand reported
WILSON, J. N. -B- — oil, Klaeger, J. H., Medina County, 4 thousand reported
DAVID RIHN, JR. — oil, Stokes, King, Medina County, 4 thousand reported
PIERCE, JAMES — oil, Hardwick, Ross H. Oil Company, Medina County, 4 thousand reported
MIDDLETON PETROLEUM B — oil, Wetzel Oil Company, Medina County, 4 thousand reported
BOENIG, R.L. — oil, Adams, A. G., The Estate Of, Medina County, 4 thousand reported
SCHMIDT, OSCAR "C" — oil, Emerald Bay Energy, Inc., Medina County, 4 thousand reported
JCA OIL — oil, Jca Oil Co., Medina County, 4 thousand reported
KNOPP, EDNA MAE — oil, MC Oil, A Texas Partnership, Medina County, 4 thousand reported
OVERLAND UNIT "B" — oil, Jenex Operating Company Of Texas, Medina County, 3 thousand reported
RODRIGUEZ, ROBERTO S. — oil, Burns, Jack, Medina County, 3 thousand reported
WARD, J. W., JR. — oil, Ward, J. W. III, Medina County, 3 thousand reported
DENNY, FRANK — oil, Rlu Oil & Gas, Inc., Medina County, 3 thousand reported
HAIRRELL, GLADYS -C- — oil, Harmony Drilling Company, Inc., Medina County, 3 thousand reported
CHAPAL — oil, Rlu Operating, LLC, Medina County, 3 thousand reported
RODRIGUEZ — oil, Genie Oil Company, Medina County, 3 thousand reported
RUSKIN — oil, Mills, Lois, Medina County, 3 thousand reported
RACKLEY, HENRY OIL UNIT — oil, Rlu Oil & Gas, Inc., Medina County, 3 thousand reported
LILLY -A- — oil, Seagull Operating Co., Inc., Medina County, 3 thousand reported
EVANS,LESTER J. & LETTIE B. — oil, Harmony Drilling Company, Inc., Medina County, 3 thousand reported
OVERLAND UNIT "A" — oil, Jenex Operating Company Of Texas, Medina County, 3 thousand reported
HAAS, JEAN — oil, Texas Secondary Oil Corporation, Medina County, 3 thousand reported
BOENIG, R. L. — oil, Bar M Petroleum Co., Medina County, 3 thousand reported
JACOB DE LA O 14-A — oil, Rlu Oil & Gas, Inc., Medina County, 3 thousand reported
JACKSON OIL CO — oil, Jackson Company, Medina County, 3 thousand reported
FASELER, DORA M. — gas, Faseler, Robert A &Dora Mcanelly, Medina County, 3 thousand reported
BOND, FLOYD C. — oil, Hardwick, Ross H. Oil Company, Medina County, 3 thousand reported
LOWE, SAMMY A. — oil, Rlu Oil & Gas, Inc., Medina County, 3 thousand reported

Production figures are as reported to the Railroad Commission of Texas. Values shown on lease pages are estimates produced by fitting a decline curve to that reported history; they are not offers or appraisals.