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.

46,247 ON FILE · PAGE 286 OF 925

Field or poolStateFormationCountyActive completionsOperatorsOil, 12 moGas, 12 moLifetime oilLast reported
North Elm Creek (Strawn)TexasStrawnThrockmorton110040,870Aug 2025
Northern Ranch (Hurd Sand)TexasHurd SandMatagorda110062,145—
Northern Ranch, South (Greta)TexasGretaMatagorda110098,250Jun 2025
Novice, North (Gray)TexasGrayColeman110075,578May 2017
N.reyes (Hockley)TexasHockleyDuval11001,085Feb 2024
Nueces Bay (11220)Texas11220Nueces1100149,699Jun 2019
Nueces Bay, W.(8000 Sand)Texas8000 SandSan Patricio11000—
Nursery (2800)Texas2800Victoria11000—
Nursery, S. (1000)Texas1000Victoria11000—
Nursery (Yegua 5700)TexasYegua 5700Victoria110026,079Dec 2018
Oak Creek (James Lime)TexasJames LimeNacogdoches11000—
Oak Grove (Cotton Valley Lime)TexasCotton Valley LimeRobertson11000Dec 2021
Oakhurst (Wilcox 9900)TexasWilcox 9900San Jacinto +1110073,174—
Oakville (Hockley A)TexasOakvilleLive Oak110012,135Dec 2024
Oakville (Mid Wilcox 9200)TexasMid Wilcox 9200Live Oak1100310,407Aug 2025
Oakville (Queen City 5350)TexasQueen City 5350Live Oak11000—
Oasis; Abo (Gas)New MexicoAboChaves110021,974Oct 2015
Odem (4900)Texas4900San Patricio11001,321Mar 2025
Odem (5050,S.)Texas5050,S.San Patricio11000—
Odem (5200 Frio Middle, S)Texas5200 Frio Middle, SSan Patricio11006,074Jun 2025
Odem (6700 Stray)Texas6700 StraySan Patricio110049,558Mar 2025
Odem (7300)Texas7300San Patricio11008,648Jul 2025
Ohern (1600)Texas1600Duval +111000Jan 2020
Old Ocean (F-23)TexasF-23Brazoria1100115,762Aug 2019
Old Waverly (Wilcox "D")TexasWilcox DSan Jacinto11001,089—
Oletha (Cotton Valley Sand)TexasCotton Valley SandLimestone110012,185May 2020
Olga JO (6200)Texas6200Foard110055,626Jun 2025
O. L. Hill (Woodbine)TexasWoodbineNavarro11003,397—
Oliver (Frio 8750,E.)TexasFrio 8750 EBrazoria1100168Apr 2019
Oneil (4550)Texas4550San Patricio11000—
Oran (4230 Congl)Texas4230 ConglPalo Pinto1100550Jun 2025
Orange (5400)Texas5400Orange1100140,657Aug 2025
Orange (6400)Texas6400Orange11000—
Orange GroveTexas—Jim Wells110023,396Jul 2025
Orange, NorthTexas—Orange11000—
Owen (3700)Texas3700Webb11000—
Owen (Escondido)TexasEscondidoWebb110015,539May 2025
Oxford (Caddo 4260)TexasCaddo 4260Shackelford +111001,362—
Oyster Bayou (FB-2, Frio 1)TexasFB-2, Frio 1Chambers1100407—
Oyster Bayou (Frio 2)TexasFrio 2Chambers1100319—
Oyster Creek (Frio 7100)TexasFrio 7100Brazoria110026,081Aug 2021
Oyster Lake, W. (1400)Texas1400Matagorda11000—
Ozona (Clear Fork 2890)TexasClear Fork 2890Crockett11000—
Ozona, East (Spraberry)TexasSpraberryCrockett1100745—
Ozona (Ellenburger)TexasEllenburgerCrockett11003,798—
Padgett (Yegua Y-3)TexasYegua y 3Polk110035,624Nov 2022
Paint Rock (Devonian)TexasDevonianReagan11000—
Paisano Creek (Yegua)TexasYeguaLive Oak11004,647Aug 2025
Palmeras (Olmos)TexasOlmosZavala +1110081,242May 2025
Palo Alto (6600 Frio)Texas6600 FrioVictoria110016,391—

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.