FIELDS AND POOLS · UNITED STATES

Texas fields

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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FieldFormationCountyLeasesActive completionsOperatorsOil, 12 moGas, 12 moLifetime oilLast reported
Alta Mesa, East (7760 Vicksburg)7760 VicksburgBrooks50010284,696Mar 2026
Osburn (Palo Pinto)Palo PintoConcho600104,795Jun 2026
Swenson -207- (Caddo)CaddoThrockmorton3001031,463Oct 2025
Westover, S. (Mississippian)MississippianBaylor4001018,326Jun 2026
Savell (Bossier Sand)Bossier SandRobertson8671305.6M972Aug 2026
Pawnee (Edwards)EdwardsBee +211370202.3M1,395Aug 2026
John Amoruso (Bossier)BossierRobertson9048102.2M4,337Aug 2026
JM (Ellenburger)EllenburgerCrockett +12822201.5M1,557Jul 2026
Opelika (Travis Peak)Travis PeakHenderson16793201.5M41,556Aug 2026
Fandango (Wilcox Consolidated)Wilcox ConsolidatedZapata3914401.1M119Aug 2026
Rosita, NW (Wilcox Cons.)Wilcox ConsDuval4921301.1M22,734Jul 2026
Pearwood (Cotton Valley Lime)Cotton Valley LimeLeon32101.1M107Aug 2026
Gomez (Devonian)DevonianPecos241860930,7061,112Aug 2026
Vinegarone (Strawn)StrawnVal Verde805840924,3822,052Aug 2026
Toro (Ellenburger)EllenburgerReeves11720894,94869Aug 2026
Rojo Caballos, South (Devonian)DevonianPecos +1211030873,4573,525Aug 2026
Mills Ranch (Hunton)HuntonWheeler10820843,71277Aug 2026
Tri-Cities (Travis Peak Lower)Travis Peak LowerHenderson925620774,4842,917Aug 2026
Brown-Bassett (Ellenburger)EllenburgerTerrell +1624220741,61818,172Aug 2026
Bohlwhite (Cotton Valley Lime)Cotton Valley LimeRobertson17410688,2122,292Aug 2026
Seven Sisters, E. (Howell Sand)Howell SandDuval7310665,054322Aug 2026
Cliffside—Potter252110662,8710Oct 2025
Adams-Baggett Ranch (Canyon Sd.)Canyon SDCrockett61250350625,41519,838Aug 2026
Bob West (L-24, 25, 26)L-24, 25, 26Starr +1684020597,834211Aug 2026
Bob West (L-18, 20, 21, 22)L-18, 20, 21, 22Starr +1956420512,820651Aug 2026
Coyanosa (Ellenburger)EllenburgerPecos14730481,9355,924Aug 2026
Vinegarone, E. (Penn. Sand)Penn SandEdwards584510451,4620Aug 2026
Cuba Libre (Wilcox Cons.)Wilcox ConsWebb21820420,51633,580Aug 2026
High Island BLK 24L (LJ)LJHigh IS-LB2110369,177525,733Aug 2026
Simpson-Mann (Canyon)CanyonCrockett +120517160361,86444,967Aug 2026
Coyanosa (Devonian)DevonianPecos18930361,56913,566Aug 2026
Big Reef (Edwards)EdwardsWebb433210353,5031,369Aug 2026
Oates, NE. (Devonian)DevonianPecos18720334,83688Aug 2026
Thompsonville, NE. (13700)13700Jim Hogg +120920321,2325,307Aug 2026
Bob West (L-27, 28, 29)L-27, 28, 29Starr +1433320296,85498Aug 2026
Waha (Montoya)MontoyaReeves +110330287,34434,340Aug 2026
Lopeno ( Reklaw B)Reklaw BZapata21520285,83523,837Aug 2026
Waha (Ellenburger)EllenburgerReeves +19320283,2405,017Aug 2026
Howe Ranch (Hunton)HuntonHemphill6210255,740153Jul 2026
Three Rivers (Edwards)EdwardsLive Oak221310254,423705Aug 2026
Waha (Devonian)DevonianPecos +16220247,0502,793Aug 2026
Opelika (Cotton Valley)Cotton ValleyHenderson291410245,22650Aug 2026
Quinduno (Albany Dolomite, Lo.)Albany Dolomite, Lo.Roberts1335520230,527265,100Aug 2026
Stuart City (Edwards Lime)Edwards LimeLa Salle322520226,5631,248Aug 2026
Bob West (L-34-47)L-34-47Starr221210216,686118Aug 2026
JM, N. (Ellenburger)EllenburgerCrockett +16520211,9252,449Jun 2026
Bob West (L-12, 13, 14, 15)L-12, 13, 14, 15Starr +1875720207,405354Aug 2026
Headlee (Devonian)DevonianEctor +11831720206,21467,467Aug 2026
Frances Hill (Penn)PennEdwards +1392750199,56617,525Aug 2026
Worsham-Bayer (Ellen.)Ellen.Reeves9630190,46410,520Aug 2026

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.