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
Big John N. (Edwards)TexasEdwardsKarnes00007,841—
Big Lake (Clearfork)TexasClearforkReagan00000—
Big Lake (Ellenburger)TexasEllenburgerReagan0000511,676Apr 2024
Big Lake (Ellenburger 1-11)TexasEllenburger 1 11Reagan00000—
Big Lake (Fusselman)TexasFusselmanReagan000057,104—
Big Lake, N. (Ellenburger)TexasEllenburgerReagan00004,494—
Big Lake (Spraberry)TexasSpraberryReagan0000119,047—
Big Lake (Strawn)TexasStrawnReagan00002,609Jan 2024
Big Lake, W. (Ellenburger)TexasEllenburgerReagan0000107,192Apr 2024
Big Lion (Penn.)TexasPennWard00000—
Big Mac (Lobo 7870)TexasLobo 7870Zapata00000—
Big Max (Leonard, Lower)TexasLeonard LowerAndrews000043,130—
Big Mesa (Queen)TexasQueenPecos00000—
Big Mineral Creek (Atoka)TexasAtokaGrayson000059,129Aug 2018
Big Mineral Creek (Barnes Sand)TexasBarnes SandGrayson0000267,260—
Big Mineral Creek (Q Sand)TexasQ SandGrayson00000—
Big Mineral Creek (Simpson)TexasSimpsonGrayson000032,073Jul 2019
Big Mineral Creek (S Sdstn.)TexasS Sdstn.Grayson +10000580,768—
Big Mineral Creek (Strawn)TexasStrawnGrayson0000455,382—
Big Mineral Creek (Strawn II)TexasStrawn IIGrayson000020,201—
Big Mineral Creek (U Sand)TexasU SandGrayson00006,202—
Big Mineral Creek (UV Sand)TexasUV SandGrayson000097,627—
Big Mineral Creek (V Sdstn.)TexasV Sdstn.Grayson00009,007—
Big Mineral Creek, W. (Viola)TexasViolaGrayson00000—
Big Mineral, E. (Davis Sand)TexasDavis SandGrayson00000—
Big Mineral, SE. (7570 Sand)Texas7570 SandGrayson00000—
Big Mineral, SE. (V LO)TexasV LOGrayson00000—
Big Mineral, SE. (V Lower Gas)TexasV Lower GasGrayson00000—
Big Moose (Canyon)TexasCanyonJones00006,936—
Big Mule (5500 Sand)Texas5500 SandMcMullen0000107,768Feb 2023
Big Mule (Olmos 8850)TexasOlmos 8850McMullen000011,967—
Big -N- (Strawn 5250)TexasStrawn 5250King0000178,081—
Big -N- (Twin Peaks)TexasTwin PeaksKing00001.7M—
Big Oak (Frio 2000)TexasFrio 2000Goliad00000—
Big Oak (Frio 2825)TexasFrio 2825Goliad00000—
Big Oak, N. (Cook Mountain)TexasCook MountainGoliad00000—
Big Oak (Wilcox 10500)TexasWilcox 10500Goliad000024,523Apr 2019
Big Prairie (EY-3)TexasEY-3Jefferson00001,213Jun 2021
Big Reef (Eagleford)TexasEaglefordWebb00003,542—
Big RRR (North, Conglomerate)TexasNorth, ConglomerateKing0000191,106—
Big R (Smackover)TexasSmackoverNavarro0000484,354Oct 2022
Big Saline (Strawn)TexasStrawnPalo Pinto +100000—
Big Salute (Leonard "A")TexasLeonard ASterling000022,318—
Big Sandy Creek (Dale)TexasDaleBastrop00000—
Big -S- (Caddo)TexasCaddoKing000016,759—
Big-S- (Congl)TexasConglKing00000—
Big -S-, E. (Strawn 5400)TexasStrawn 5400King00000—
Big Shorty (Pettit)TexasPettitRusk000019,028Dec 2017
Big Shorty (Rodessa)TexasRodessaRusk0000509—
Big Shorty (Travis Peak)TexasTravis PeakRusk00001,600—

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.