FIELDS AND POOLS · UNITED STATES

US fields and pools

A regulator names each reservoir it oversees: a field in Texas, a pool in New Mexico. The name carries the formation, which is how one formation can be followed across a state line.

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Field or poolStateFormationCountyActive completionsOperatorsOil, 12 moGas, 12 moLifetime oilLast reported
Lojon (Strawn)TexasStrawnMcCulloch +165000—
Many Rocks Gallup, NorthNew Mexico—San Juan6100357,804Jun 2015
Platang, South (Devonian)TexasDevonianYoakum62000—
Santa Rosa (Tansil)TexasSanta RosaEctor +363001,030Apr 2021
Susan Denman (Gunsight)TexasGunsightArcher6100183,315Sep 2020
SWD; FusselmanNew MexicoFusselmanChaves +266000—
SWD; VermejoNew MexicoVermejoColfax61000—
Tocito Dome Miss,no(gas)New Mexico—San Juan61001,683Mar 2025
Trickham (Crosscut)TexasCrosscutColeman6300212—
Waha (Gas Storage)TexasGas StorageReeves61000—
Walsh Ranch (Lower Big Saline)TexasLower Big SalineParker +16100632—
Walsh Ranch (Upper Big Saline)TexasUpper Big SalineParker +16100415—
West Ranch (Mitchell)TexasMitchellJackson6100262,635May 2016
WildcatTexas—Gaines +19650032,548Mar 2019
Battleaxe (Delaware)TexasDelawareLoving520021,919—
Bethel (Woodbine)TexasWoodbineAnderson53000—
Bitter Lake; San Andres, WestNew MexicoSan AndresChaves510025,583Jun 2019
Bivins Ranch (Wolfcamp)TexasWolfcampPotter +153000—
Brookesmith,e(marble Falls Reef)TexasMarble Falls ReefBrown51000Feb 2024
Brownwood, South (Marble Falls)TexasMarble FallsBrown53000Feb 2024
Brownwood, West (Marble Falls)TexasMarble FallsBrown53000Oct 2022
Charco RedondoTexas—Zapata510071,381Jan 2016
Clack (Flippen Lime)TexasFlippen LimeTaylor510030,701Feb 2024
Encinal (Olmos 8200)TexasOlmos 8200La Salle51001,964—
Eustace (Smackover)TexasSmackoverHenderson51000Apr 2016
Giddings (Midway)TexasMidwayMilam +151000—
Glass (Grayburg)TexasGrayburgMartin +151000—
Hill Ranch (Fusselman)TexasFusselmanMartin +15300542,588May 2017
Hospah DakotaNew Mexico—McKinley5100149,866Jun 2013
Katy (Combined)TexasCombinedWaller +1510036,217Sep 2023
K C B S (Flippen Lime)TexasFlippen LimeJones5200146,348Sep 2024
LPG Storage Well; SaladoNew MexicoSaladoLea +152000—
Newark, East (Atoka 5)TexasAtoka 5Wise +152000May 2016
Old Ocean (F-25)TexasF-25Brazoria510013,142—
Pecan Station (Canyon Lime)TexasCanyon LimeTom Green510011,090—
Pyote Bay (Brushy Canyon)TexasBrushy CanyonWard +1510091,164Jan 2025
Reeves-Block 4 (del. 4430)TexasDel. 4430Reeves540034,451Nov 2019
RM (Clearfork)TexasClearforkCrane5200355,178—
Siete; San AndresNew MexicoSan AndresChaves5100509,775Feb 2020
Strong (4700)Texas4700Starr510030,682Jun 2020
SWD; AboNew MexicoAboLea +253000—
SWD; Seven Rivers-QueenNew MexicoSeven Rivers-QueenLea53000Nov 2022
West Ranch (80-A)Texas80-AJackson51000—
WildcatTexas—Eastland +23540017,452May 2019
Winn-Dulce (del Monte-Oil)TexasDel Monte-OilZavala510051,234Sep 2022
WSW; Santa RosaNew MexicoSanta RosaLea54000—
Zuma (Delaware)TexasDelawareLoving +1520046,694Aug 2019
Agi; WolfcampNew MexicoWolfcampLea42000—
American (Spraberry B)TexasSpraberry BCrockett410012,673Oct 2024
Arno, N. (Delaware)TexasDelawareReeves42001,044—

OIL IN BBL · GAS IN MCF · TWELVE MONTHS THROUGH THE STATE'S REPORTED-THROUGH MONTH

About this data

Each state regulator's field and pool registry, with the completions and the reported volumes of each. The formation is read from the name the regulator gave it and matched to one registry shared by every state; a name that gives no single formation has none. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields, documented in the API reference.