CASTOR Field Activity and Well Summary

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Total wells

39
CASTOR field

Drill activity

—
drill dates not in our copy of this source

The CASTOR oil & gas field in Louisiana contains 39 wells on file.

Top operators: BRAMMER ENGINEERING, INC., CABOT OIL & GAS CORPORATION, and others.

Most recent well: HOSS RA SU39;MAYNARD 36, operated by FONTAINEBLEAU OPERATING, LLC — last updated February 2026.

CASTOR field coverage

Parishes the CASTOR field intersects.

Calcasieu ParishUnion ParishTangipahoa ParishCaldwell ParishTensas ParishJackson ParishGrant ParishLincoln ParishJefferson Davis ParishLafayette ParishVermilion ParishEast Carroll ParishEast Feliciana ParishSt. Bernard ParishIberville ParishRichland ParishSt. Martin ParishClaiborne ParishEvangeline ParishSt. Landry ParishPointe Coupee ParishLaSalle ParishWebster ParishSt. James ParishPlaquemines ParishMorehouse ParishRapides ParishAvoyelles ParishWinn ParishVernon ParishCatahoula ParishAssumption ParishDe Soto ParishCaddo ParishRed River ParishWashington ParishSabine ParishJefferson ParishSt. Tammany ParishCameron ParishEast Baton Rouge ParishIberia ParishNatchitoches ParishTerrebonne ParishBIENVILLE — 39 wellsBossier ParishAllen ParishOuachita ParishSt. John the Baptist ParishSt. Helena ParishWest Feliciana ParishSt. Mary ParishLafourche ParishWest Carroll ParishConcordia ParishLivingston ParishWest Baton Rouge ParishMadison ParishOrleans ParishAscension ParishAcadia ParishSt. Charles ParishBeauregard ParishFranklin Parish
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Recent wells

Well Name Parish Last activity Updates Operator API
HOSS RA SU39;MAYNARD 36 BIENVILLE 2026-02-14 FONTAINEBLEAU OPERATING, LLC 17013223520000
HOSS RA SU29;WEYERHAEUSER CO24 BIENVILLE 2019-08-03 GRAYROCK ENERGY IV OPERATING COMPANY LLC 17013215310000
HOSS RA SU25;RED RIVER 15-3 BIENVILLE 2018-03-21 SKLAR EXPLORATION COMPANY, L.L.C. 17013221560000
HOSS RA SU22;WEYERHAEUSER 9 BIENVILLE 2017-10-12 WILL-DRILL OPERATING LLC 17013005050000
HOSS RA SU24;J B EVANS 11-4 BIENVILLE 2017-07-26 BRAMMER ENGINEERING, INC. 17013221590000
HOSS RA SU15;THOMAS 2-13 BIENVILLE 2017-07-18 SKLAR EXPLORATION COMPANY, L.L.C. 17013221600000
HOSS RA SU23;ECHO PAPA 10-10 BIENVILLE 2016-12-14 BRAMMER ENGINEERING, INC. 17013221470000
HOSS RA SU23;ECHO PAPA 10-10 BIENVILLE 2015-04-13 SKLAR EXPLORATION COMPANY, L.L.C. 17013221470000
TOBIN 19 BIENVILLE 2010-12-13 WILDHORSE RESOURCES, LLC 17013214010000
WEYERHAEUSER BIENVILLE 2007-11-29 SUNLAND PRODUCTION CO., INC. 17013217390000

Top Operators in the CASTOR field by total wells

BRAMMER ENGINEERING, INC.4CABOT OIL & GAS CORPORATION3SKLAR EXPLORATION COMPANY, L.L.C.3GRAYROCK ENERGY IV OPERATING COMPANY LLC3SONAT EXPLORATION CO.3SAMSON CONTOUR ENERGY E&P, LLC2CYPRESS OPERATING INC.2HILLIARD PETROLEUM INC.1GOLDSBERRY OPERATING CO, INC.1DIAMOND SHAMROCK CORPORATION1

Operators: Brammer Engineering, Inc., Cabot Oil & Gas Corporation, Sklar Exploration Company, L.l.c., Grayrock Energy Iv Operating Company Llc, Sonat Exploration Co., Samson Contour Energy E&p, Llc, Cypress Operating Inc., Hilliard Petroleum Inc., Goldsberry Operating Co, Inc., Diamond Shamrock Corporation.

Parishes Intersected by the CASTOR field

BIENVILLE39
BIENVILLE

Other Major Fields in Louisiana most active by total wells

Compare the CASTOR field against the other busiest oil and gas fields in Louisiana: