Oil and gas leases in Glasscock County

Glasscock County, Texas has 3,398 oil and gas leases with production on file at the Railroad Commission. 3,188 of them are oil leases and 210 are gas leases. Between them they carry 9,588 wellbores. Reported volumes run from January 1993 to August 2026 and come to 717.2 million barrels of oil and 40.8 million Mcf of gas. 279 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 Glasscock County

How many oil and gas leases are in Glasscock County?: Glasscock County has 3,398 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
How much oil and gas has Glasscock County produced?: Leases in Glasscock County have reported 717,153,935 barrels of oil (bbl) and 40,796,511 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
Who are the biggest operators in Glasscock County?: Pioneer Natural Res. USA, Inc. operates 399 of the 3,398 producing leases in Glasscock County, more than any other operator on record with the Railroad Commission of Texas.
How many operators are active in Glasscock County?: 279 operators file production returns for leases in Glasscock County.
How much are mineral rights in Glasscock County worth?: There is no single figure: what a mineral or royalty interest in Glasscock County is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 3,398 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. — 399 leases
Laredo Petroleum, Inc. — 262 leases
Apache Corporation — 242 leases
Energen Resources Corporation — 170 leases
Diamondback E&P LLC — 151 leases
Crownquest Operating, LLC — 133 leases
Texaco E & P Inc. — 86 leases
Endeavor Energy Resources L.P. — 76 leases
Oxy USA Inc. — 74 leases
Stephens, Autry C. — 64 leases
Parsley Energy Operations, LLC — 62 leases
Trilogy Operating, Inc. — 52 leases
Cox, John L. — 46 leases
Xto Energy Inc. — 45 leases
Hunt Oil Company — 40 leases
Hannathon Petroleum II, LLC — 39 leases
Bta Oil Producers — 38 leases
Range Production Company — 37 leases
Hanley Petroleum Inc. — 36 leases
MWJ Producing Company — 36 leases
Trend Exploration Company — 35 leases
Encana Oil & Gas(USA) Inc. — 33 leases
Mcclure Oil Company, Inc. — 28 leases
Costilla Petroleum Corporation — 25 leases
PG&E Resources Company — 25 leases
Tamarack Petroleum Company, Inc. — 25 leases
Vital Energy, Inc. — 24 leases
Cog Operating LLC — 24 leases
Exxon Corp. — 23 leases
Mewbourne Oil Company — 23 leases
Parker & Parsley Development Co. — 22 leases
Arco Oil & Gas Co. — 21 leases
Oxyrock Operating, LLC — 21 leases
Parker & Parsley Development L.P — 21 leases
Wagner & Brown, Ltd. — 21 leases
Odessa Exploration, Inc. — 19 leases
Thompson, J. Cleo — 19 leases
Chevron U. S. A. Inc. — 18 leases
Nadel And Gussman Permian,L.L.C. — 18 leases
Union Pacific Resources Company — 18 leases
Vencer Energy, LLC — 17 leases
Citation Oil & Gas Corp. — 16 leases
De3 Operating LLC — 15 leases
Black Swan Opco, LLC — 14 leases
Dyad Petroleum Company — 14 leases
Laredo Petroleum - Dallas, Inc. — 14 leases
Bluestem Energy Holdings, LLC — 13 leases
Civitas Permian Operating, LLC — 13 leases
Cinnabar Operating, LLC — 13 leases
Fed Operating LLC — 13 leases
RSP Permian, LLC — 12 leases
Element Petroleum Operating, LLC — 11 leases
Ep Operating Limited Partnership — 11 leases
Mariner Energy, Inc. — 11 leases
Parapetroleum — 11 leases
Bta Oil Producers, LLC — 10 leases
Piedra Operating, LLC — 10 leases
Athlon Fe Operating LLC — 9 leases
Brown, Tom Inc. — 9 leases
Burleson Petroleum, Inc. — 9 leases

Railroad Commission districts

District 08 — 3,263 leases
District 7C — 135 leases

Leases — page 1 of 17

SPRABERRY DRIVER UNIT — oil, PG&E Resources Company, Glasscock County, 39.3 million reported
ZANT — oil, Piedra Operating, LLC, Glasscock County, 7.7 million reported
GLASSCOCK, HOWARD W. (G-S) UNIT — oil, Sheridan Production Company, LLC, Glasscock County, 6.0 million reported
HILGER-KOLB UNIT — oil, Cobra Oil & Gas Corporation, Glasscock County, 5.7 million reported
POWELL, E.L. — oil, Oxy USA Inc., Glasscock County, 5.1 million reported
COLT 45 — oil, Crownquest Operating, LLC, Glasscock County, 5.1 million reported
CALVERLEY 37-36 — oil, RSP Permian, LLC, Glasscock County, 4.7 million reported
GLASSCOCK, HOWARD W. (G-S) UNIT — oil, Oryx Energy Company, Glasscock County, 4.4 million reported
KOONCE WEST 46-34 UNIT 1 — oil, Endeavor Energy Resources L.P., Glasscock County, 4.1 million reported
BERRY — oil, Piedra Operating, LLC, Glasscock County, 4.0 million reported
CALVERLEY 9-4 — oil, RSP Permian, LLC, Glasscock County, 3.7 million reported
ZANT-HURT-BLALOCK UNIT 1 — oil, Xto Energy Inc., Glasscock County, 3.6 million reported
WOODY 3-46 — oil, RSP Permian, LLC, Glasscock County, 3.6 million reported
CALVERLEY 22-27 — oil, RSP Permian, LLC, Glasscock County, 3.0 million reported
CHEATHAM HOUSTON B — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 3.0 million reported
BALLENGER — oil, Apache Corporation, Glasscock County, 3.0 million reported
CHEATHAM HOUSTON A — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 2.7 million reported
KOONCE SOUTH 46-3 UNIT 1 — oil, Endeavor Energy Resources L.P., Glasscock County, 2.6 million reported
FOWLER-SMITH 12-7 — oil, De3 Operating LLC, Glasscock County, 2.6 million reported
ZANT WEYMAN UNIT 2 — oil, Xto Energy Inc., Glasscock County, 2.6 million reported
POWELL 08 UNIT — oil, Oxy USA Inc., Glasscock County, 2.5 million reported
FLANAGAN 14-LLOYD B — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 2.5 million reported
ZANT HURT — oil, Xto Energy Inc., Glasscock County, 2.3 million reported
CROUCH 16 — oil, De3 Operating LLC, Glasscock County, 2.2 million reported
COLE RANCH -35- — oil, Energen Resources Corporation, Glasscock County, 2.1 million reported
ZANT WEYMAN UNIT 1 — oil, Xto Energy Inc., Glasscock County, 2.0 million reported
HOUSTON RANCH 12-FOWLER A — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 2.0 million reported
FLANAGAN 14-LLOYD A — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 2.0 million reported
J.E. COX — oil, Laredo Petroleum, Inc., Glasscock County, 1.9 million reported
HOUSTON RANCH UNIT 2 — oil, Xto Energy Inc., Glasscock County, 1.8 million reported
HOUSTON RANCH UNIT 1 — oil, Xto Energy Inc., Glasscock County, 1.8 million reported
REMINGTON — oil, Crownquest Operating, LLC, Glasscock County, 1.8 million reported
LEXINGTON — oil, Crownquest Operating, LLC, Glasscock County, 1.8 million reported
PRIDDY-FISCHER 10 — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 1.7 million reported
GLASSCOCK -N- FEE — oil, Texaco E & P Inc., Glasscock County, 1.7 million reported
ZANT HURT BLALOCK EAST UNIT 1 — oil, Xto Energy Inc., Glasscock County, 1.7 million reported
PORT HUDSON F — oil, Crownquest Operating, LLC, Glasscock County, 1.7 million reported
DANIEL SN 7-6 UNIT — oil, Energen Resources Corporation, Glasscock County, 1.6 million reported
KOONCE NORTH 39-34 UNIT 1 — oil, Endeavor Energy Resources L.P., Glasscock County, 1.6 million reported
E.L. POWELL BC — oil, Range Production Company, Glasscock County, 1.6 million reported
KOONCE NORTH 39-34 UNIT 1A — oil, Endeavor Energy Resources L.P., Glasscock County, 1.6 million reported
POWELL "9A" — oil, Trend Exploration Company, Glasscock County, 1.6 million reported
COLORADO — oil, Energen Resources Corporation, Glasscock County, 1.5 million reported
TRINITY -16- — oil, Energen Resources Corporation, Glasscock County, 1.5 million reported
POWELL -4- A — oil, Trend Exploration Company, Glasscock County, 1.5 million reported
DANIEL UNIT "3" — gas, Energen Resources Corporation, Glasscock County, 1.5 million reported
NIX 16 — oil, Apache Corporation, Glasscock County, 1.5 million reported
SHACKELTON 31 — oil, Apache Corporation, Glasscock County, 1.4 million reported
JURECEK "A" — gas, Ep Operating Limited Partnership, Glasscock County, 1.4 million reported
BEARKAT — oil, Laredo Petroleum, Inc., Glasscock County, 1.4 million reported
HUTCHISON-TEELE 10 — oil, Hunt Oil Company, Glasscock County, 1.4 million reported
EDMONDSON A — oil, Range Production Company, Glasscock County, 1.3 million reported
CURRIE — oil, Henry Petroleum LP, Glasscock County, 1.3 million reported
CONCORD — oil, Crownquest Operating, LLC, Glasscock County, 1.2 million reported
CONCORD H — oil, Crownquest Operating, LLC, Glasscock County, 1.2 million reported
WTH 20-8 G — oil, Endeavor Energy Resources L.P., Glasscock County, 1.2 million reported
PRINCETON H — oil, Crownquest Operating, LLC, Glasscock County, 1.2 million reported
COOK 21 — oil, Apache Corporation, Glasscock County, 1.2 million reported
WOODY 4 — oil, RSP Permian, LLC, Glasscock County, 1.2 million reported
CALVERLEY, J. B., -A- — oil, Mewbourne Oil Company, Glasscock County, 1.2 million reported
ZANT 2321 — oil, Xto Energy Inc., Glasscock County, 1.2 million reported
PATTERSON 5-8 — oil, Parsley Energy Operations, LLC, Glasscock County, 1.2 million reported
DRIVER '33' — oil, Mcclure Oil Company, Inc., Glasscock County, 1.2 million reported
SQUIRE — oil, Apache Corporation, Glasscock County, 1.2 million reported
CURRIE 41-29-E — oil, Parsley Energy Operations, LLC, Glasscock County, 1.1 million reported
SARATOGA F — oil, Oxyrock Operating, LLC, Glasscock County, 1.1 million reported
BRUNSON 42-6-E — oil, Parsley Energy Operations, LLC, Glasscock County, 1.1 million reported
BOONE-COFFEE 80 — oil, Hunt Oil Company, Glasscock County, 1.1 million reported
TCG — oil, Trilogy Operating, Inc., Glasscock County, 1.1 million reported
NICHOLS — oil, Apache Corporation, Glasscock County, 1.1 million reported
POWELL "11A" — oil, Range Production Company, Glasscock County, 1.1 million reported
BODINE-C- — oil, Laredo Petroleum - Dallas, Inc., Glasscock County, 1.1 million reported
HENRY — oil, Crownquest Operating, LLC, Glasscock County, 1.0 million reported
CURRIE, G. W. — gas, Texaco E & P Inc., Glasscock County, 1.0 million reported
HOUSTON-WELLS W47C — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 1.0 million reported
LEXINGTON F — oil, Crownquest Operating, LLC, Glasscock County, 1.0 million reported
BRUNSON 42-43 — oil, Parsley Energy Operations, LLC, Glasscock County, 1.0 million reported
YORKTOWN H — oil, Oxyrock Operating, LLC, Glasscock County, 1.0 million reported
SCHROCK, W. M.-24 — oil, Arco Oil & Gas Co., Glasscock County, 1.0 million reported
PORT HUDSON — oil, Crownquest Operating, LLC, Glasscock County, 1.0 million reported
BRANDYWINE G — oil, Oxyrock Operating, LLC, Glasscock County, 1.0 million reported
GOODSPEED A — oil, Apache Corporation, Glasscock County, 1.0 million reported
BARBEE 37 — oil, Hannathon Petroleum, LLC, Glasscock County, 997 thousand reported
FOSTER 4344 — oil, Crownquest Operating, LLC, Glasscock County, 989 thousand reported
POWELL "8" — oil, Trend Exploration Company, Glasscock County, 985 thousand reported
BOONE-COFFEE 60 — oil, Hunt Oil Company, Glasscock County, 979 thousand reported
REMINGTON E — oil, Crownquest Operating, LLC, Glasscock County, 976 thousand reported
LEXINGTON E — oil, Crownquest Operating, LLC, Glasscock County, 971 thousand reported
LAWSON — oil, Page Operating, LLC, Glasscock County, 970 thousand reported
WTH 20-8 C — oil, Endeavor Energy Resources L.P., Glasscock County, 968 thousand reported
HARRIS-COOK 80 — oil, Hunt Oil Company, Glasscock County, 965 thousand reported
LAZY E — oil, Laredo Petroleum, Inc., Glasscock County, 959 thousand reported
PRINCETON — oil, Crownquest Operating, LLC, Glasscock County, 956 thousand reported
EPO NO. 1 DANIEL UNIT — gas, Energen Resources Corporation, Glasscock County, 947 thousand reported
TXL-SCHROCK 3538 D — oil, Apache Corporation, Glasscock County, 935 thousand reported
POWELL "9D" — oil, Trend Exploration Company, Glasscock County, 930 thousand reported
CURRIE-NEAL 47 — oil, Parsley Energy Operations, LLC, Glasscock County, 929 thousand reported
ARROW 22-27 B — oil, Diamondback E&P LLC, Glasscock County, 920 thousand reported
TCG 34 — oil, Trilogy Operating, Inc., Glasscock County, 919 thousand reported
WTH 20-8 D — oil, Endeavor Energy Resources L.P., Glasscock County, 913 thousand reported
ZANT 2303 — oil, Xto Energy Inc., Glasscock County, 912 thousand reported
JERSEY 38-47-A — oil, Parsley Energy Operations, LLC, Glasscock County, 909 thousand reported
WTH 20-8 B — oil, Endeavor Energy Resources L.P., Glasscock County, 904 thousand reported
CALVERLEY — oil, Dyad Petroleum Company, Glasscock County, 901 thousand reported
MCDANIEL B-CHRIESMAN 80 — oil, Vencer Energy, LLC, Glasscock County, 899 thousand reported
HALFMANN 21 H — oil, Vital Energy, Inc., Glasscock County, 897 thousand reported
HOUSTON RANCH EAST O 13-7 — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 893 thousand reported
CALVERLEY B-REED 60 — oil, Hunt Oil Company, Glasscock County, 893 thousand reported
BRUNSON 42-6-G — oil, Parsley Energy Operations, LLC, Glasscock County, 891 thousand reported
HARRIS-COOK 70 — oil, Hunt Oil Company, Glasscock County, 891 thousand reported
JERSEY 35-23-H — oil, Parsley Energy Operations, LLC, Glasscock County, 891 thousand reported
AMBERJACK 39 — oil, Apache Corporation, Glasscock County, 886 thousand reported
THREE SISTERS — oil, Hannathon Petroleum, LLC, Glasscock County, 886 thousand reported
HOUSTON-WELLS W47D — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 883 thousand reported
HARRIS-COOK 50 — oil, Hunt Oil Company, Glasscock County, 880 thousand reported
JONES -A- — oil, Plains Petroleum Operating Co., Glasscock County, 880 thousand reported
EDMONDSON A — oil, Wagner & Brown, Ltd., Glasscock County, 877 thousand reported
ALICE COOPER 34E — oil, Ovintiv USA Inc., Glasscock County, 873 thousand reported
CALVERLEY B-REED 50 — oil, Hunt Oil Company, Glasscock County, 868 thousand reported
HOUSTON-WELLS 2W — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 863 thousand reported
HOUSTON-WELLS 2V — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 861 thousand reported
BIGBY WEST F 10-3 — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 857 thousand reported
PRINCETON F — oil, Crownquest Operating, LLC, Glasscock County, 850 thousand reported
TOM-MILLS 48C — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 848 thousand reported
HUTCHISON-TEELE 40 — oil, Hunt Oil Company, Glasscock County, 848 thousand reported
CALVERLEY B-REED 20 — oil, Hunt Oil Company, Glasscock County, 836 thousand reported
BLALOCK 1382 — oil, Xto Energy Inc., Glasscock County, 834 thousand reported
ZANT 3829 — oil, Xto Energy Inc., Glasscock County, 831 thousand reported
ZANT BRIDGET 2605 — oil, Xto Energy Inc., Glasscock County, 830 thousand reported
HUTCHISON-TEELE 20 — oil, Hunt Oil Company, Glasscock County, 827 thousand reported
BOOKS 16-9 (ALLOC-H) — oil, Laredo Petroleum, Inc., Glasscock County, 825 thousand reported
PORT HUDSON E — oil, Crownquest Operating, LLC, Glasscock County, 820 thousand reported
RED SNAPPER-NEAL — oil, Apache Corporation, Glasscock County, 818 thousand reported
GOODSPEED B — oil, Apache Corporation, Glasscock County, 804 thousand reported
DRIVER '28' — oil, Mcclure Oil Company, Inc., Glasscock County, 803 thousand reported
ARROW 22-27 A — oil, Diamondback E&P LLC, Glasscock County, 801 thousand reported
BARBEE — oil, Fiml Natural Resources, LLC, Glasscock County, 794 thousand reported
HARRIS-COOK 60 — oil, Hunt Oil Company, Glasscock County, 785 thousand reported
ANGELINA SN 33-28 07 — gas, Hannathon Petroleum II, LLC, Glasscock County, 782 thousand reported
HUBBARD 26-35 — oil, Parsley Energy Operations, LLC, Glasscock County, 781 thousand reported
HOUSTON 14 — oil, De3 Operating LLC, Glasscock County, 781 thousand reported
POWELL "16A" — oil, Trend Exploration Company, Glasscock County, 778 thousand reported
HOUSTON RANCH EAST J 13-7 — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 772 thousand reported
CURRIE 41-44 — oil, Parsley Energy Operations, LLC, Glasscock County, 769 thousand reported
CALVERLEY-LANE 80 — oil, Hunt Oil Company, Glasscock County, 766 thousand reported
KOONCE NORTH 39-34 UNIT 1B — oil, Endeavor Energy Resources L.P., Glasscock County, 766 thousand reported
CALVERLEY B-REED 70 — oil, Hunt Oil Company, Glasscock County, 761 thousand reported
CALVERLEY B-REED 80 — oil, Hunt Oil Company, Glasscock County, 760 thousand reported
HOUSTON-WELLS W47E — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 758 thousand reported
CALVERLEY B-REED 30 — oil, Hunt Oil Company, Glasscock County, 758 thousand reported
TOM-MILLS 48D — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 758 thousand reported
G. SCHWARTZ 17-8 (ALLOC-A) — oil, Laredo Petroleum, Inc., Glasscock County, 753 thousand reported
'L' FEE-CALVERLEY UNIT — oil, Texaco E & P Inc., Glasscock County, 753 thousand reported
AUGUST 27-22-H — oil, Parsley Energy Operations, LLC, Glasscock County, 753 thousand reported
COOPER 34 — oil, Page Operating, LLC, Glasscock County, 742 thousand reported
TCG — oil, Trilogy Operating, Inc., Glasscock County, 739 thousand reported
BRANDYWINE E — oil, Oxyrock Operating, LLC, Glasscock County, 732 thousand reported
CONCORD G — oil, Crownquest Operating, LLC, Glasscock County, 731 thousand reported
CALVERLEY-LANE 50 — oil, Hunt Oil Company, Glasscock County, 719 thousand reported
CALVERLEY B-REED 40 — oil, Hunt Oil Company, Glasscock County, 718 thousand reported
GLASSCOCK -L- FEE — oil, Texaco E & P Inc., Glasscock County, 711 thousand reported
LEXINGTON G — oil, Crownquest Operating, LLC, Glasscock County, 709 thousand reported
MCMILLAN 30 UNIT — gas, Laredo Petroleum, Inc., Glasscock County, 706 thousand reported
POWELL "11F" — oil, Range Production Company, Glasscock County, 702 thousand reported
TCG 34 — oil, Trilogy Operating, Inc., Glasscock County, 699 thousand reported
POWELL, E. L. "C" — oil, Amoco Production Company, Glasscock County, 697 thousand reported
CURRY 14 — oil, Laredo Petroleum, Inc., Glasscock County, 697 thousand reported
RAY 3427 B — oil, Diamondback E&P LLC, Glasscock County, 697 thousand reported
SARATOGA E — oil, Oxyrock Operating, LLC, Glasscock County, 696 thousand reported
WTH 20-8 E — oil, Endeavor Energy Resources L.P., Glasscock County, 690 thousand reported
LEFEVRE UNIT — gas, Costilla Petroleum Corporation, Glasscock County, 686 thousand reported
HOELSCHER, F. J. "B" — gas, Kindred Petroleum Company, Glasscock County, 686 thousand reported
MCDANIEL B-CHRIESMAN 50 — oil, Hunt Oil Company, Glasscock County, 686 thousand reported
DRIVER, J.W. -36- — oil, Arco Oil & Gas Co., Glasscock County, 683 thousand reported
PALMITO RANCH — oil, Crownquest Operating, LLC, Glasscock County, 682 thousand reported
WTH 20-8 A — oil, Endeavor Energy Resources L.P., Glasscock County, 682 thousand reported
SARATOGA — oil, Oxyrock Operating, LLC, Glasscock County, 680 thousand reported
HANCOCK-TOM 6F — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 677 thousand reported
HUTCHISON-DRIVER 1830A — oil, Vencer Energy, LLC, Glasscock County, 676 thousand reported
HOUSTON-HERZOG W12C — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 670 thousand reported
7613 JV-P CALVERLEY -26- — oil, Bta Oil Producers, Glasscock County, 669 thousand reported
LPI-COX 21-16 (ALLOC-B) — oil, Laredo Petroleum, Inc., Glasscock County, 669 thousand reported
TROPICANA EAST K 14-26 — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 668 thousand reported
JIM TOM E41S — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 667 thousand reported
BRUNSON 5D — oil, Encana Oil & Gas(USA) Inc., Glasscock County, 666 thousand reported
JIM TOM E41T — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 663 thousand reported
JIM TOM 42C — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 662 thousand reported
BLALOCK 1313 — oil, Xto Energy Inc., Glasscock County, 661 thousand reported
HARRIS-HUTCHISON 80 — oil, Hunt Oil Company, Glasscock County, 661 thousand reported
TOM-MILLS 48E — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 660 thousand reported
POWELL,E.L."B" — oil, Amoco Production Company, Glasscock County, 655 thousand reported
HOUSTON 30G — oil, Encana Oil & Gas(USA) Inc., Glasscock County, 655 thousand reported
FT SUMTER — oil, Crownquest Operating, LLC, Glasscock County, 654 thousand reported
JULIA 45-4-B — oil, Parsley Energy Operations, LLC, Glasscock County, 652 thousand reported
G. SCHWARTZ 17-8 (ALLOC-H) — oil, Laredo Petroleum, Inc., Glasscock County, 652 thousand reported
LPI-KLOESEL 31-19 (ALLOC-A) — oil, Laredo Petroleum, Inc., Glasscock County, 650 thousand reported
RILEY — oil, Mariner Energy, Inc., Glasscock County, 644 thousand reported
BLALOCK 1321 — oil, Xto Energy Inc., Glasscock County, 641 thousand reported
QUAHADI 'B' — oil, Cinnabar Operating, LLC, Glasscock County, 639 thousand reported
JIM TOM E42K — oil, Pioneer Natural Res. USA, Inc., Glasscock County, 638 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.