Oil and gas leases in Upton County

Upton County, Texas has 4,723 oil and gas leases with production on file at the Railroad Commission. 4,170 of them are oil leases and 553 are gas leases. Between them they carry 16,474 wellbores. Reported volumes run from January 1993 to August 2026 and come to 1.3 billion barrels of oil and 772.6 million Mcf of gas. 274 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 Upton County

How many oil and gas leases are in Upton County?: Upton County has 4,723 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Upton County produced?: Leases in Upton County have reported 1,260,311,616 barrels of oil (bbl) and 772,604,328 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
Who are the biggest operators in Upton County?: Pioneer Natural Res. USA, Inc. operates 645 of the 4,723 producing leases in Upton County, more than any other operator on record with the Railroad Commission of Texas.
How many operators are active in Upton County?: 274 operators file production returns for leases in Upton County.
How much are mineral rights in Upton County worth?: There is no single figure: what a mineral or royalty interest in Upton County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 4,723 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.

Pioneer Natural Res. USA, Inc. — 645 leases
Cog Operating LLC — 361 leases
Summit Petroleum LLC — 274 leases
Henry Petroleum LP — 272 leases
Parsley Energy Operations, LLC — 203 leases
Apache Corporation — 171 leases
Cox, John L. — 139 leases
Eog Resources, Inc. — 136 leases
Hunt Oil Company — 134 leases
SM Energy Company — 133 leases
Parker & Parsley Development Co. — 111 leases
Chevron U. S. A. Inc. — 88 leases
TRP Operating LLC — 79 leases
Firebird Energy II LLC — 60 leases
Arco Permian — 58 leases
Henry Resources LLC — 53 leases
Hibernia Resources III, LLC — 45 leases
Pure Resources, L.P. — 44 leases
Endeavor Energy Resources L.P. — 43 leases
Southwest Royalties, Inc. — 43 leases
BP America Production Company — 42 leases
Civitas Permian Operating, LLC — 42 leases
Diamondback E&P LLC — 38 leases
Ovintiv USA Inc. — 37 leases
Thompson, J. Cleo — 36 leases
Mobil Producing TX. & N.M. Inc. — 34 leases
Henry Petroleum Corp. — 33 leases
Exxon Corp. — 32 leases
Prime Operating Company — 30 leases
Stephens, Autry C. — 30 leases
De3 Operating LLC — 29 leases
Texaco E & P Inc. — 29 leases
Xeric Oil & Gas Company — 28 leases
Discovery Operating, Inc. — 26 leases
Encana Oil & Gas(USA) Inc. — 26 leases
Hallwood Energy Corporation — 25 leases
Pennzoil Petroleum Company — 24 leases
Umc Petroleum Corporation — 24 leases
Arco Oil & Gas Co. — 23 leases
Rockport Energy Solutions LLC — 23 leases
Oryx Energy Company — 23 leases
Xto Energy Inc. — 23 leases
Encore Operating, L.P. — 21 leases
Hanley Petroleum Inc. — 20 leases
Emerald Production Company — 19 leases
United Company — 19 leases
Earthstone Operating, LLC — 18 leases
Terrace Petroleum Corporation — 18 leases
Vital Energy, Inc. — 17 leases
Opal Resources Operating Co.,LLC — 17 leases
Driftwood Energy Operating, LLC — 16 leases
Athlon Energy Operating LLC — 15 leases
Mewbourne Oil Company — 15 leases
JM Cox Resources, L.P. — 14 leases
Midpar L.P. — 14 leases
Four G Oil Company — 13 leases
Oxy USA Inc. — 13 leases
TSF Operating — 13 leases
De IV Operating, LLC — 12 leases
Kennedy, R. R. Production, Inc. — 12 leases

Railroad Commission districts

District 7C — 4,648 leases
District 08 — 75 leases

Leases — page 1 of 24

PEGASUS FIELD UNIT #3 PF RECORD — gas, Mobil Producing TX. & N.M. Inc., Upton County, 183.5 million reported
MCELROY, J. T., CONS. — oil, Chevron U. S. A. Inc., Upton County, 77.2 million reported
XBC GIDDINGS ESTATE — oil, Pioneer Natural Res. USA, Inc., Upton County, 43.7 million reported
CRIER-MCELROY — oil, Chevron U. S. A. Inc., Upton County, 41.0 million reported
PEGASUS FIELD UNIT 3 — oil, Cog Operating LLC, Upton County, 30.5 million reported
PEMBROOK UNIT — oil, Exxon Corp., Upton County, 21.4 million reported
NORTH PEMBROOK SPRABERRY UNIT — oil, Parker & Parsley Development Co., Upton County, 12.9 million reported
PEGASUS SPRABERRY UNIT — oil, Cog Operating LLC, Upton County, 12.3 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 11.7 million reported
LHS RANCH — oil, Xto Energy Inc., Upton County, 9.5 million reported
UNIVERSITY SECTION 3 — gas, Pure Resources, L.P., Upton County, 7.5 million reported
MCELROY RANCH 129 — gas, Arco Permian, Upton County, 6.8 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 6.4 million reported
MCELROY RANCH 129 — gas, Arco Permian, Upton County, 6.3 million reported
MCELROY RANCH 129 — gas, Arco Oil & Gas Co., Upton County, 6.2 million reported
NEAL — oil, Callon Petroleum Operating Co, Upton County, 6.0 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 6.0 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 6.0 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 5.7 million reported
UNIVERSITY "3-19" — oil, Pioneer Natural Res. USA, Inc., Upton County, 5.4 million reported
RAY REED 32 — oil, Pioneer Natural Res. USA, Inc., Upton County, 5.3 million reported
V. T. AMACKER 106 — gas, Hunt Oil Company, Upton County, 5.3 million reported
AMACKER, V. T. 61 — gas, Hunt Oil Company, Upton County, 5.3 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 5.2 million reported
CC — oil, Mariner Energy, Inc., Upton County, 5.0 million reported
BLUE TOPAZ 102 — gas, Eog Resources, Inc., Upton County, 4.7 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 4.7 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 4.7 million reported
WINDHAM, R. S. "A" — gas, Meridian Oil Inc., Upton County, 4.6 million reported
AMACKER, V. T. 62 — gas, Hunt Oil Company, Upton County, 4.5 million reported
MCELROY RANCH 129 — gas, Arco Oil & Gas Co., Upton County, 4.5 million reported
MCELROY RANCH — gas, Arco Permian, Upton County, 4.5 million reported
V.T. AMACKER 105 — gas, Hunt Oil Company, Upton County, 4.5 million reported
BARNET-AMACKER — gas, Southwest Royalties, Inc., Upton County, 4.3 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 4.3 million reported
AMACKER, V.T. 61 — gas, Hunt Oil Company, Upton County, 4.3 million reported
WINDHAM 108 — gas, Eog Resources, Inc., Upton County, 4.1 million reported
WINDHAM "108" — gas, Eog Resources, Inc., Upton County, 4.1 million reported
LILLIE MIDKIFF 5 — oil, Xto Energy Inc., Upton County, 4.0 million reported
NEAL 26 — gas, Pure Resources, L.P., Upton County, 4.0 million reported
PEGASUS ELLENBURGER UNIT — oil, Mobil Producing TX. & N.M. Inc., Upton County, 3.9 million reported
DAVIDSON UNIT 1 — oil, Xto Energy Inc., Upton County, 3.9 million reported
BLOXOM — gas, Pure Resources, L.P., Upton County, 3.9 million reported
AMERICAN REPUBLICS "A" — oil, Cog Operating LLC, Upton County, 3.9 million reported
DORCUS — oil, Henry Petroleum LP, Upton County, 3.9 million reported
MCELROY RANCH 129 — gas, Arco Permian, Upton County, 3.8 million reported
MCELROY RANCH CO. 119 — gas, Arco Permian, Upton County, 3.7 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 3.7 million reported
MCELROY RANCH CO 129 — gas, Exxon Corp., Upton County, 3.7 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 3.7 million reported
MELINDA — oil, Summit Petroleum LLC, Upton County, 3.6 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 3.5 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 3.5 million reported
MCELROY RANCH 129 — gas, Arco Permian, Upton County, 3.5 million reported
MCELROY RANCH 129 — gas, Chevron U. S. A. Inc., Upton County, 3.4 million reported
MCELROY RANCH — gas, Arco Permian, Upton County, 3.4 million reported
AMACKER, V. T. 62 — gas, Hunt Oil Company, Upton County, 3.3 million reported
NEAL RANCH 57 UNIT — oil, Cog Operating LLC, Upton County, 3.3 million reported
MIDCROSS DEV. UNIT — oil, Shell Western E&P Inc., Upton County, 3.3 million reported
BARNETT 21 — gas, Eog Resources, Inc., Upton County, 3.3 million reported
DAVIDSON UNIT 2 — oil, Xto Energy Inc., Upton County, 3.2 million reported
CARBON 12-13 UNIT 2 — oil, Endeavor Energy Resources L.P., Upton County, 3.2 million reported
WINDHAM 103 — gas, Eog Resources, Inc., Upton County, 3.2 million reported
CARBON 12-13 UNIT 1 — oil, Endeavor Energy Resources L.P., Upton County, 3.1 million reported
MCELROY RANCH CO. #130 — gas, Exxon Corp., Upton County, 3.1 million reported
AMACKER "A" 88 — gas, Eog Resources, Inc., Upton County, 3.1 million reported
WINDHAM, R. S. — gas, Chevron U. S. A. Inc., Upton County, 3.1 million reported
BLOXOM — gas, Pure Resources, L.P., Upton County, 3.1 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 3.1 million reported
UNIVERSITY "3-14" — oil, Pioneer Natural Res. USA, Inc., Upton County, 3.0 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 3.0 million reported
MCELROY RANCH CO #129 — gas, Exxon Corp., Upton County, 3.0 million reported
GARNET 108 — gas, Eog Resources, Inc., Upton County, 3.0 million reported
PEGASUS SPRABERRY UNIT — oil, Mobil Producing TX. & N.M. Inc., Upton County, 3.0 million reported
WINDHAM, R. S. — gas, Arco Oil & Gas Co., Upton County, 3.0 million reported
MCELROY RANCH CO. #130 — gas, Exxon Corp., Upton County, 2.9 million reported
WINDHAM, R. S. — gas, Arco Permian, Upton County, 2.9 million reported
MCELROY RANCH 129 — gas, Arco Permian, Upton County, 2.9 million reported
PEMBROOK 4 — oil, Pioneer Natural Res. USA, Inc., Upton County, 2.9 million reported
FOUR CORNERS TXL FEE — oil, Chevron U. S. A. Inc., Upton County, 2.9 million reported
AMACKER-TIPPETT "A" POOL UNIT — oil, Hunt Oil Company, Upton County, 2.8 million reported
UNIVERSITY SECTION 3 — gas, Pure Resources, L.P., Upton County, 2.8 million reported
UPTON 'Z' FEE — oil, Texaco E & P Inc., Upton County, 2.8 million reported
WINDHAM, R. S. ET AL 128 — gas, Chevron U. S. A. Inc., Upton County, 2.8 million reported
RAILWAY RANCH 9 — gas, Eog Resources, Inc., Upton County, 2.8 million reported
MCELROY RANCH 129 — gas, Arco Permian, Upton County, 2.8 million reported
WILSON TXL POWELL — oil, SM Energy Company, Upton County, 2.8 million reported
AMACKER, V. T. 77 — oil, Hunt Oil Company, Upton County, 2.8 million reported
AMACKER, V. T. 78 — gas, Hunt Oil Company, Upton County, 2.8 million reported
WINDHAM, ELIZABETH — gas, Southwest Royalties, Inc., Upton County, 2.8 million reported
MCELROY RANCH 129 — gas, Arco Permian, Upton County, 2.7 million reported
WINDHAM, R.S. — gas, Arco Oil & Gas Co., Upton County, 2.7 million reported
AMACKER, BARNETT — gas, Southwest Royalties, Inc., Upton County, 2.7 million reported
MCELROY RANCH CO. "130" — gas, Arco Permian, Upton County, 2.7 million reported
SHIRK 13 — gas, Eog Resources, Inc., Upton County, 2.7 million reported
AMACKER, V. T. 78 — gas, Hunt Oil Company, Upton County, 2.7 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 2.7 million reported
HALFF ESTATE "20" — gas, Eog Resources, Inc., Upton County, 2.7 million reported
MCELROY RANCH CO. 119 — gas, Chevron U. S. A. Inc., Upton County, 2.7 million reported
UNIVERSITY 3-310 PU — oil, Pioneer Natural Res. USA, Inc., Upton County, 2.6 million reported
WEIR, GEORGE 14 — gas, Eog Resources, Inc., Upton County, 2.6 million reported
MCELROY RANCH CO. 130 — gas, Arco Permian, Upton County, 2.5 million reported
AMACKER ALLEN 80 — gas, Eog Resources, Inc., Upton County, 2.5 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 2.4 million reported
DAVIES, DOVIE 16 — gas, Eog Resources, Inc., Upton County, 2.4 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 2.4 million reported
AMACKER, V. T. 78 — gas, Hunt Oil Company, Upton County, 2.4 million reported
AMACKER, V. T. 79 — gas, Hunt Oil Company, Upton County, 2.4 million reported
MCELROY RANCH — gas, Marathon Oil Company, Upton County, 2.4 million reported
AMACKER, V. T. 62 — gas, Hunt Oil Company, Upton County, 2.3 million reported
FOUR CORNERS TXL FEE "C" — oil, Chevron U. S. A. Inc., Upton County, 2.3 million reported
AMACKER-BARNETT 21 UNIT — gas, Eog Resources, Inc., Upton County, 2.3 million reported
BLUE TOPAZ 102 — gas, Eog Resources, Inc., Upton County, 2.3 million reported
SHIRK 13 — gas, Eog Resources, Inc., Upton County, 2.3 million reported
FRANK POWELL 30-31 — oil, Xto Energy Inc., Upton County, 2.3 million reported
AMACKER, V. T. 105 — gas, Hunt Oil Company, Upton County, 2.2 million reported
DARBY-WILDHORSE 110 UNIT — gas, Eog Resources, Inc., Upton County, 2.2 million reported
V.T. AMACKER 105 — gas, Hunt Oil Company, Upton County, 2.2 million reported
AMACKER, V. T. 61 — gas, Hunt Oil Company, Upton County, 2.2 million reported
KENNETT 29-41 — oil, Endeavor Energy Resources L.P., Upton County, 2.2 million reported
UNIVERSITY 7 — gas, Pure Resources, L.P., Upton County, 2.2 million reported
HALFF ESTATE "20" — gas, Eog Resources, Inc., Upton County, 2.2 million reported
MCELROY RANCH CO. "L" — gas, Chevron U. S. A. Inc., Upton County, 2.2 million reported
PERIDOT 101 — gas, Eog Resources, Inc., Upton County, 2.2 million reported
AMACKER, V. T. 62 — gas, Hunt Oil Company, Upton County, 2.2 million reported
MCELROY RANCH — gas, Arco Oil & Gas Co., Upton County, 2.2 million reported
COLTER TRUST — gas, Pure Resources, L.P., Upton County, 2.1 million reported
R S WINDHAM "A" — gas, Eog Resources, Inc., Upton County, 2.1 million reported
RAILWAY RANCH 9 — gas, Eog Resources, Inc., Upton County, 2.1 million reported
DOVIE DAVIES 16 — gas, Eog Resources, Inc., Upton County, 2.1 million reported
RATLIFF 28 — oil, Parsley Energy Operations, LLC, Upton County, 2.1 million reported
RAILWAY RANCH 21 — gas, Eog Resources, Inc., Upton County, 2.1 million reported
UNIVERSITY RED — oil, PT Petroleum, LLC, Upton County, 2.1 million reported
UNIVERSITY 3-35 — oil, Hunt Oil Company, Upton County, 2.1 million reported
NEAL 39A — oil, Encana Oil & Gas(USA) Inc., Upton County, 2.0 million reported
MCELROY RANCH CO. #130 — gas, Exxon Corp., Upton County, 2.0 million reported
HALFF ESTATE "20" — gas, Eog Resources, Inc., Upton County, 2.0 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 2.0 million reported
ZAIN 26 — oil, Parsley Energy Operations, LLC, Upton County, 2.0 million reported
COX 27 — gas, Pure Resources, L.P., Upton County, 2.0 million reported
MCELROY RANCH CO. "L" — gas, Chevron U. S. A. Inc., Upton County, 1.9 million reported
AMACKER, V. T. 62 — gas, Hunt Oil Company, Upton County, 1.9 million reported
POWELL 26E — oil, Encana Oil & Gas(USA) Inc., Upton County, 1.9 million reported
RAILWAY RANCH 20 — gas, Eog Resources, Inc., Upton County, 1.9 million reported
PEGASUS PENNSYLVANIAN UNIT — oil, Mobil Producing TX. & N.M. Inc., Upton County, 1.9 million reported
XBC GIDDINGS ESTATE R40 — oil, Pioneer Natural Res. USA, Inc., Upton County, 1.9 million reported
LANE, J. F. -A--A/C 1 — gas, Xeric Oil & Gas Company, Upton County, 1.9 million reported
WEIR, GEORGE "14" — gas, Eog Resources, Inc., Upton County, 1.9 million reported
RAILWAY RANCH 17 UNIT — gas, Eog Resources, Inc., Upton County, 1.8 million reported
DAVIDSON 34B — oil, Ovintiv USA Inc., Upton County, 1.8 million reported
MCELROY RANCH CO. #129 — gas, Exxon Corp., Upton County, 1.8 million reported
MCELROY RANCH CO. 119 — gas, BP America Production Company, Upton County, 1.8 million reported
UNIVERSITY 10-3 — oil, Hunt Oil Company, Upton County, 1.8 million reported
AEGIS 1918 — oil, Xto Energy Inc., Upton County, 1.8 million reported
AMACKER-ALLEN 80 — gas, Eog Resources, Inc., Upton County, 1.8 million reported
AMACKER, V. T. 63 — gas, Hunt Oil Company, Upton County, 1.8 million reported
GIDDINGS ESTATE FEE — oil, Exxon Corp., Upton County, 1.8 million reported
PEGASUS FIELD UNIT #3 — gas, Quantum Resources Management,LLC, Upton County, 1.7 million reported
AMACKER, V. T. 61 — gas, Hunt Oil Company, Upton County, 1.7 million reported
AMACKER ALLEN "80" — gas, Eog Resources, Inc., Upton County, 1.7 million reported
WINDHAM, ELIZABETH — gas, Southwest Royalties, Inc., Upton County, 1.7 million reported
RAILWAY RANCH 15 A — gas, Eog Resources, Inc., Upton County, 1.7 million reported
MCCLINTIC UNIT — oil, Citation Oil & Gas Corp., Upton County, 1.7 million reported
PEMBROOK X-1 — oil, Pioneer Natural Res. USA, Inc., Upton County, 1.7 million reported
MCELROY RANCH CO. "M" — oil, Chevron U. S. A. Inc., Upton County, 1.7 million reported
WINDHAM, R. S. — gas, Exxon Corp., Upton County, 1.7 million reported
MANN 22 — gas, Eog Resources, Inc., Upton County, 1.7 million reported
AMACKER-BELL 99 UNIT — gas, Eog Resources, Inc., Upton County, 1.7 million reported
BARNETT "21" — gas, Eog Resources, Inc., Upton County, 1.7 million reported
RAILWAY RANCH 15 — gas, Eog Resources, Inc., Upton County, 1.7 million reported
WINDHAM, R. S. 118 — gas, Encore Operating, L.P., Upton County, 1.7 million reported
NEAL RANCH 42B UNIT — oil, Cog Operating LLC, Upton County, 1.7 million reported
LOUIS — oil, Three Rivers Operating Co II LLC, Upton County, 1.7 million reported
PEGASUS FIELD UNIT # 3 — gas, Quantum Resources Management,LLC, Upton County, 1.7 million reported
CODY C UNIT — gas, Eog Resources, Inc., Upton County, 1.7 million reported
CODY C UNIT — gas, Eog Resources, Inc., Upton County, 1.7 million reported
BARNETT AMACKER — gas, Southwest Royalties, Inc., Upton County, 1.6 million reported
KENNETT SHERROD 42-43 UNIT 2 — oil, Endeavor Energy Resources L.P., Upton County, 1.6 million reported
AMACKER, V. T. 106 — gas, Hunt Oil Company, Upton County, 1.6 million reported
HENSLEY 41D — oil, Ovintiv USA Inc., Upton County, 1.6 million reported
WINDHAM, ELIZABETH — gas, Southwest Royalties, Inc., Upton County, 1.6 million reported
TOMADOR "99" — gas, Brown, Tom Inc., Upton County, 1.6 million reported
XBC GIDDINGS ESTATE C — oil, Pioneer Natural Res. USA, Inc., Upton County, 1.6 million reported
AMACKER, V. T. 62 — gas, Hunt Oil Company, Upton County, 1.6 million reported
UNIVERSITY 178B — oil, Pioneer Natural Res. USA, Inc., Upton County, 1.6 million reported
BARNETT AMACKER — gas, Southwest Royalties, Inc., Upton County, 1.6 million reported
AMACKER — oil, Henry Petroleum LP, Upton County, 1.6 million reported
PECK, J.F. — oil, Texaco E & P Inc., Upton County, 1.6 million reported
WINDHAM, R. S. ET AL 118 — gas, Arco Permian, Upton County, 1.6 million reported
CINDY 2413A — oil, Firebird Energy II LLC, Upton County, 1.6 million reported
MCELROY 131 — gas, Encore Operating, L.P., Upton County, 1.6 million reported
CONNELL 47 — oil, Apache Corporation, Upton County, 1.6 million reported
AMACKER, V. T. 62 — gas, Hunt Oil Company, Upton County, 1.6 million reported
PEGASUS FIELD UNIT #3 — gas, Mobil Producing TX. & N.M. Inc., Upton County, 1.6 million reported
NEAL RANCH 36 UNIT — oil, Cog Operating LLC, Upton County, 1.5 million reported
PEGASUS ELLEN. UNIT PF RECORD — gas, Mobil Producing TX. & N.M. Inc., Upton County, 1.5 million reported
NORTH BROOK NE34 — oil, Pioneer Natural Res. USA, Inc., Upton County, 1.5 million reported
MCELROY RANCH CO."L" — oil, Chevron U. S. A. Inc., Upton County, 1.5 million reported
MCELROY RANCH "A" 135 — gas, BP America Production Company, Upton County, 1.5 million reported
POWELL 33C — oil, Encana Oil & Gas(USA) Inc., Upton County, 1.5 million 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.