SANDBAR (BONE SPRING), District 08, Texas

A field is the Railroad Commission's unit of geology and of regulation. Its spacing rule is what decides how many wells an acreage can hold.

Leases
1,428
with a page here
Operators
34
Value, all time
$27.76 bn
86% of the register's 1,654
Discovered
2010-09-15
Oil and gas

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 1,428 leases in this field that have a page here — 86% of the register's 1,654 — 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.

WellsIn the fieldProducingProduced in 2025Also producedCumulative
Oil60448629,832,238 bbl75,908,489 mcfcasinghead143,467,057 bblsince discovery
Gas922631197,038,679 mcf22,969,457 bblcondensate1,406,659,101 mcfsince 1970

The discovery well's oil measured 41.0° API gravity, perforated at 8,487 ft.

Hydrogen sulphide

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasB2015-08-25330 ft0 ft3200 ft
GasO2015-08-25330 ft0 ft2099,999 ft
OilB2015-08-25330 ft0 ft3200 ft
OilO2015-08-25330 ft0 ft2099,999 ft

Commission remarks: DKT08-0319479 ORDER NUNC PRO TUNC REGARDING SWR13

County

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 1,428 leases, by the value we compute. Every one of them is in the sitemap.

LeaseOperatorValue
SMALL EYED 54-1-36-25 UNITANADARKO E&P ONSHORE LLC$203.8 M
WAHAVTX ENERGY OPERATING, LLC$172.4 M
BARRACUDA UNIT 2VTX ENERGY OPERATING, LLC$157.5 M
SILVERTIP 76-18 UNIT MANADARKO E&P ONSHORE LLC$144.8 M
MARLIN 11SVTX ENERGY OPERATING, LLC$136.5 M
WAHOO 53-2-23 LOV UNITPDEH LLC$114.0 M
Z&T 32LRR PECOS VALLEY, LLC$108.6 M
SILVERTIP 76-16 UNIT RANADARKO E&P ONSHORE LLC$97.2 M
MCGREGOR D 5 UNITEOG RESOURCES, INC.$94.0 M
GELLER 54-2 SB UNITPDEH LLC$93.3 M
COPPERHEAD 53-14PETRO-HUNT PERMIAN, LLC$85.7 M
GOLDENEYE 54-2-3 UNITANADARKO E&P ONSHORE LLC$84.3 M
REDFISH UNIT 12AVTX ENERGY OPERATING, LLC$83.4 M
SID M. KYLE 26LRR PECOS VALLEY, LLC$80.9 M
ECHO BS UNIT ACOG OPERATING LLC$77.5 M
STATE KATE OLSON 57-T2-17X8BPX OPERATING COMPANY$71.9 M
STATE ATLAS LEOG RESOURCES, INC.$68.9 M
STATE PONY 57-T2-16X9BPX OPERATING COMPANY$67.7 M
MCGREGOR B 5 UNITEOG RESOURCES, INC.$66.1 M
UNIVERSITY 19-0-7-16 BANADARKO E&P ONSHORE LLC$65.4 M
SILVERTIP 76-9 UNIT EANADARKO E&P ONSHORE LLC$64.9 M
WHITNEY BRUNSON UNITEOG RESOURCES, INC.$64.4 M
CBR 8-5F-56-1WPX ENERGY PERMIAN, LLC$64.0 M
SILVERTIP 76-17 PANADARKO E&P ONSHORE LLC$63.0 M
SILVERTIP 76-9 UNIT FANADARKO E&P ONSHORE LLC$62.9 M
SILVERTIP 76-18 NANADARKO E&P ONSHORE LLC$62.6 M
MCGREGOR A 5 UNITEOG RESOURCES, INC.$61.8 M
CBR 35-38-56-1WPX ENERGY PERMIAN, LLC$60.1 M
HEAD HONCHO STATE BSCONOCOPHILLIPS COMPANY$58.3 M
CBR 8-5I-56-1WPX ENERGY PERMIAN, LLC$58.2 M
CBR 17-20C-56-1WPX ENERGY PERMIAN, LLC$57.5 M
REDFISH UNIT 12BVTX ENERGY OPERATING, LLC$57.4 M
CBR 35-38-56-1WPX ENERGY PERMIAN, LLC$57.3 M
SHOCKWAVE UNITCOG OPERATING LLC$57.1 M
CBR 16-21B-56-1WPX ENERGY PERMIAN, LLC$56.2 M
CBR 35-38-56-1WPX ENERGY PERMIAN, LLC$56.0 M
LINDSAY 9-4A-55-1WPX ENERGY PERMIAN, LLC$54.3 M
STATE LEE WAY 57-T2-10X3 2BBPX OPERATING COMPANY$53.8 M
STATE ATLAS KEOG RESOURCES, INC.$53.6 M
CBR 17-20E-56-1WPX ENERGY PERMIAN, LLC$53.4 M
SPEEDWAY 1-2VTX ENERGY OPERATING, LLC$52.2 M
CBR 16-21C-56-1WPX ENERGY PERMIAN, LLC$51.9 M
PYTHON 54-1-37-48 FANADARKO E&P ONSHORE LLC$51.8 M
SKY PILOT 57-46 WEST UNIT JCOTERRA ENERGY OPERATING CO.$51.8 M
CBR 17-20F-56-1WPX ENERGY PERMIAN, LLC$51.6 M
CBR 16-21A-56-1WPX ENERGY PERMIAN, LLC$51.5 M
CBR 33-28D-56-1WPX ENERGY PERMIAN, LLC$51.0 M
CBR 17-20G-56-1WPX ENERGY PERMIAN, LLC$50.4 M
CBR 8-5G-56-1WPX ENERGY PERMIAN, LLC$50.4 M
HALEY 31CIRCLE-S ENERGY, LLC$50.2 M
GAR UNITAPACHE CORPORATION$49.8 M
CBR 8-5H-56-1WPX ENERGY PERMIAN, LLC$49.6 M
KYLE 24LRR PECOS VALLEY, LLC$49.4 M
STATE ATLANTIS UNITEOG RESOURCES, INC.$49.4 M
MCGREGOR C 5 UNITEOG RESOURCES, INC.$49.3 M
CBR 9-4H-56-1WPX ENERGY PERMIAN, LLC$49.1 M
GEMINIEOG RESOURCES, INC.$49.0 M
TXL 40/45MEWBOURNE OIL COMPANY$48.9 M
WEBER 26LRR PECOS VALLEY, LLC$48.9 M
CBR 11-2C-56-1WPX ENERGY PERMIAN, LLC$48.6 M
CBR 33-28C-56-1WPX ENERGY PERMIAN, LLC$48.5 M
MAHOGANY 24-13H-56-1WPX ENERGY PERMIAN, LLC$48.3 M
WEBER 26LRR PECOS VALLEY, LLC$48.1 M
CBR 11-2F-56-1WPX ENERGY PERMIAN, LLC$47.5 M
TXL 40/45MEWBOURNE OIL COMPANY$47.3 M
CBR 16-21D-56-1WPX ENERGY PERMIAN, LLC$47.2 M
BURGOO KING 2 ZZ UNITCOTERRA ENERGY OPERATING CO.$47.1 M
THREADFIN 57-1-47-35 AANADARKO E&P ONSHORE LLC$46.4 M
DR STATE WISE UNIT 1CHEVRON U. S. A. INC.$46.4 M
CBR 35-38-56-1WPX ENERGY PERMIAN, LLC$46.3 M
CBR 9-4R-56-1WPX ENERGY PERMIAN, LLC$46.2 M
RED BLUFF 57-T1-1X12MEWBOURNE OIL COMPANY$46.0 M
CBR 9-4Q-56-1WPX ENERGY PERMIAN, LLC$45.7 M
CBR 10-3A-56-1WPX ENERGY PERMIAN, LLC$45.7 M
TONOPAH 53-2 SB UNITPDEH LLC$45.6 M
CBR 35-38-56-1WPX ENERGY PERMIAN, LLC$45.6 M
TXL 19MEWBOURNE OIL COMPANY$45.4 M
TXL 40/45MEWBOURNE OIL COMPANY$45.3 M
MAHOGANY 24-13O-56-1WPX ENERGY PERMIAN, LLC$45.1 M
APOLLO 48 UNITCOTERRA ENERGY OPERATING CO.$44.7 M
CBR 22-27CWPX ENERGY PERMIAN, LLC$44.6 M
CBR 17-20D-56-1WPX ENERGY PERMIAN, LLC$44.6 M
CBR 6-7-56-1WPX ENERGY PERMIAN, LLC$44.5 M
BURGOO KING 2 ZZ UNITCOTERRA ENERGY OPERATING CO.$44.3 M
CBR 33-28E-56-1WPX ENERGY PERMIAN, LLC$44.2 M
BRUNSONCOG OPERATING LLC$44.2 M
CBR 9-4MWPX ENERGY PERMIAN, LLC$44.0 M
CBR 35-38-56-1WPX ENERGY PERMIAN, LLC$44.0 M
SKY PILOT 57-46 WEST UNIT KCOTERRA ENERGY OPERATING CO.$44.0 M
GO FOR GIN 27 STATE UNITCOTERRA ENERGY OPERATING CO.$43.7 M
TAYLOR RANCH STATE UNITCHEVRON U. S. A. INC.$43.6 M
CBR 11-2WPX ENERGY PERMIAN, LLC$43.4 M
CBR 11-2E-56-1WPX ENERGY PERMIAN, LLC$43.4 M
STATE MERCURY FEOG RESOURCES, INC.$43.3 M
DR STATE WISE UNIT 1CHEVRON U. S. A. INC.$43.2 M
Z&T 42LRR PECOS VALLEY, LLC$43.0 M
CBR 8-5A-56-1WPX ENERGY PERMIAN, LLC$43.0 M
CBR 6-7-56-1WPX ENERGY PERMIAN, LLC$42.8 M
CASSWIN MEOG RESOURCES, INC.$42.8 M
COTTONWOOD 55-1-14-11 AANADARKO E&P ONSHORE LLC$42.6 M
STATE ATLANTIS UNITEOG RESOURCES, INC.$42.4 M
CBR 33-28B-56-1WPX ENERGY PERMIAN, LLC$42.2 M
LINDSAY 10-15T-55-1WPX ENERGY PERMIAN, LLC$42.1 M
BURGOO KING 2 ZZ UNITCOTERRA ENERGY OPERATING CO.$41.8 M
MONGOOSE UNIT 20VTX ENERGY OPERATING, LLC$41.7 M
ZUMA 57-T1-3X10 AMEWBOURNE OIL COMPANY$41.6 M
OXTAIL 54-2-40 SB UNITPDEH LLC$41.6 M
HUEY STATE 24PERMIAN RESOURCES OPERATING, LLC$41.6 M
FALCON STATE UNITAPACHE CORPORATION$41.3 M
SKY PILOT 57-46 EAST UNIT NCOTERRA ENERGY OPERATING CO.$41.1 M
ATLAS AEOG RESOURCES, INC.$41.1 M
LINDSAY 3-10D-55-1WPX ENERGY PERMIAN, LLC$40.9 M
SILVERTIP 76-7 UNIT AANADARKO E&P ONSHORE LLC$40.9 M
YELLOWJACKET UL UNIT 19-3ANADARKO E&P ONSHORE LLC$40.8 M
MAHOGANY 24-13I-56-1WPX ENERGY PERMIAN, LLC$40.8 M
NORMAN STATE 14PERMIAN RESOURCES OPERATING, LLC$40.7 M
CAPTAIN CALLCOG OPERATING LLC$40.6 M
PYTHON 54-1-37-48 EANADARKO E&P ONSHORE LLC$40.6 M
STATE PATHFINDEREOG RESOURCES, INC.$40.5 M
PYTHON 54-1-37-48 DANADARKO E&P ONSHORE LLC$40.4 M
RIO STATE 57-T2-34X27 3IBPX OPERATING COMPANY$40.4 M
BUTTERNUT 55-1-39-27 CANADARKO E&P ONSHORE LLC$40.4 M
CBR 8-5C-56-1WPX ENERGY PERMIAN, LLC$40.4 M
BARNETT TRUST 90-TTT-B01 WF DMATADOR PRODUCTION COMPANY$40.2 M
DEETSCOG OPERATING LLC$39.8 M
CBR 6-7-56-1WPX ENERGY PERMIAN, LLC$39.6 M
CBR 6-7-56-1WPX ENERGY PERMIAN, LLC$39.6 M
REVOLVER C UNITCOG OPERATING LLC$39.4 M
PYTHON 54-1-37-48 CANADARKO E&P ONSHORE LLC$39.4 M
DR STATE WISE UNIT 1CHEVRON U. S. A. INC.$39.4 M
BARNETT TRUST 90-TTT-B01 WF CMATADOR PRODUCTION COMPANY$39.2 M
LINDSAY 10-15R-55-1WPX ENERGY PERMIAN, LLC$39.2 M
SID M. KYLE 26LRR PECOS VALLEY, LLC$39.1 M
QUEEN ROBYN W2W2 QCIVITAS PERMIAN OPERATING, LLC$39.0 M
MAHOGANY 24-13J-56-1WPX ENERGY PERMIAN, LLC$38.9 M
DR STATE WISE UNIT 1CHEVRON U. S. A. INC.$38.8 M
TAYLOR RANCH STATE UNITCHEVRON U. S. A. INC.$38.7 M
LINDSAY 3-10C-55-1WPX ENERGY PERMIAN, LLC$38.7 M
APOLLO 48 UNITCOTERRA ENERGY OPERATING CO.$38.6 M
SKY PILOT 57-46 EAST UNIT MCOTERRA ENERGY OPERATING CO.$38.6 M
CASSWIN LEOG RESOURCES, INC.$38.4 M
GO FOR GIN 27 STATE UNITCOTERRA ENERGY OPERATING CO.$38.3 M
CASSWIN JEOG RESOURCES, INC.$37.9 M
BARNETT TRUST 90-TTT-B01 WF BMATADOR PRODUCTION COMPANY$37.9 M
STATE LEE WAY 57-T2-10X3 3QBPX OPERATING COMPANY$37.9 M
LINDSAY 3-10E-55-1WPX ENERGY PERMIAN, LLC$37.9 M
CBR 11-2D-56-1WPX ENERGY PERMIAN, LLC$37.8 M
CBR 17-20A-56-1WPX ENERGY PERMIAN, LLC$37.7 M
RED BLUFF 57-T1-1X12MEWBOURNE OIL COMPANY$37.7 M
MAHOGANY 24-13K-56-1WPX ENERGY PERMIAN, LLC$37.7 M
CBR 33-28A-56-1WPX ENERGY PERMIAN, LLC$37.6 M
WIGGINS 1-48-47 AANADARKO E&P ONSHORE LLC$37.6 M
CBR 8-5D-56-1WPX ENERGY PERMIAN, LLC$37.5 M
CBR 8-5B-56-1WPX ENERGY PERMIAN, LLC$37.4 M
HAY MARTIN 41/44CHEVRON U. S. A. INC.$37.3 M
CALYPSO 29-0-16-9 UNIT AANADARKO E&P ONSHORE LLC$37.3 M
DR STATE WISE UNIT 1CHEVRON U. S. A. INC.$37.2 M
HUEY STATE 24PERMIAN RESOURCES OPERATING, LLC$37.0 M
LAVERNE 58-T2-12X1 3BBPX OPERATING COMPANY$36.8 M
CBR 6-7-56-1WPX ENERGY PERMIAN, LLC$36.7 M
COLLIE A EASTPERMIAN RESOURCES OPERATING, LLC$36.6 M
LINDSAY 3-10B-55-1WPX ENERGY PERMIAN, LLC$36.5 M
HAMMERHEAD 54-1-35ANADARKO E&P ONSHORE LLC$36.4 M
REEDBUCK STATE UNIT 25A61VTX ENERGY OPERATING, LLC$36.2 M
MEERKAT STATE UNIT 17W34VTX ENERGY OPERATING, LLC$36.2 M
STATE PATHFINDEREOG RESOURCES, INC.$36.2 M
CBR 32-29E-56-1WPX ENERGY PERMIAN, LLC$36.2 M
CBR 32-29D-56-1WPX ENERGY PERMIAN, LLC$36.1 M
REEDBUCK STATE UNIT 25A62VTX ENERGY OPERATING, LLC$35.9 M
ALL IN BSCONOCOPHILLIPS COMPANY$35.8 M
HAY MARTIN 41/44CHEVRON U. S. A. INC.$35.8 M
MEERKAT STATE UNIT 17W61VTX ENERGY OPERATING, LLC$35.8 M
DR STATE WISE UNIT 1CHEVRON U. S. A. INC.$35.8 M
PRICELESS C26-1 UNIT CANADARKO E&P ONSHORE LLC$35.7 M
LORENACOG OPERATING LLC$35.5 M
LORENACOG OPERATING LLC$35.5 M
HILL 34-171 UNITANADARKO E&P ONSHORE LLC$35.4 M
CARLSBAD 54-1-28 UNITANADARKO E&P ONSHORE LLC$35.4 M
SILVERTON STATE 27-34 UNIT ECOTERRA ENERGY OPERATING CO.$35.2 M
LINDSAY 9-4A-55-1WPX ENERGY PERMIAN, LLC$35.1 M
BOOMERANG BCOG OPERATING LLC$35.1 M
UL DINO JUICE 18-40-45 1B1CRESCENT ENERGY OPERATING, LLC$34.9 M
LORENACOG OPERATING LLC$34.9 M
CBR 32-29C-56-1WPX ENERGY PERMIAN, LLC$34.9 M
PREWIT-BARBARO 23 J FEECOTERRA ENERGY OPERATING CO.$34.9 M
CASSWIN OEOG RESOURCES, INC.$34.4 M
CBR 8-5J-56-1WPX ENERGY PERMIAN, LLC$34.2 M
MESQUITE 37ABRAXAS PETROLEUM CORPORATION$34.2 M
MEERKAT STATE UNIT 17W31VTX ENERGY OPERATING, LLC$34.1 M
SKY PILOT 57-46 WEST UNIT LCOTERRA ENERGY OPERATING CO.$34.0 M
HAY EVELYNN 17/20CHEVRON U. S. A. INC.$34.0 M
CBR 15-10-3D-56-1WPX ENERGY PERMIAN, LLC$34.0 M
CBR 14-23-26C-56-1WPX ENERGY PERMIAN, LLC$33.9 M
QUEEN ROBYN W2E2 WCIVITAS PERMIAN OPERATING, LLC$33.8 M
CBR 11-2B-56-1WPX ENERGY PERMIAN, LLC$33.4 M
CBR 6-7-56-1WPX ENERGY PERMIAN, LLC$33.4 M
JOHNSON RANCH 1-49ANADARKO E&P ONSHORE LLC$33.4 M
CBR 14-23-26F-56-1WPX ENERGY PERMIAN, LLC$33.3 M
APOLLO 48 UNITCOTERRA ENERGY OPERATING CO.$33.0 M
BOOMERANG CCOG OPERATING LLC$33.0 M

Field number 80544500, from the Railroad Commission's field register. The register's own index resolves 1,654 leases and 2,003 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.