COTE BLANCHE ISLAND Field Activity and Well Summary

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Total wells

278
COTE BLANCHE ISLAND field

Drill activity

—
drill dates not in our copy of this source

The COTE BLANCHE ISLAND oil & gas field in Louisiana contains 278 wells on file.

Top operators: TEXACO E & P INC., TEXACO, INC., and others.

Most recent well: SL 340 COTE BLANCHE ISLAND, operated by SOLDIER OPERATING LLC — last updated November 2025.

COTE BLANCHE ISLAND field coverage

Parishes the COTE BLANCHE ISLAND 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 ParishBossier 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
< 278278+278+278+278+

Recent wells

Well Name Parish Last activity Updates Operator API
SL 340 COTE BLANCHE ISLAND ST MARY 2025-11-20 SOLDIER OPERATING LLC 17101221280000
SL 340 COTE BLANCHE ISLAND ST MARY 2025-08-24 TRI-STAR OPCO LLC 17101009050000
SL 340 COTE BLANCHE ISLAND ST MARY 2025-08-01 TRI-STAR OPCO LLC 17101022260000
SL 340 COTE BLANCHE ISLAND ST MARY 2025-02-01 TRI-STAR OPCO LLC 17101009030000
SL 340 COTE BLANCHE ISLAND ST MARY 2025-02-01 TRI-STAR OPCO LLC 17101218310000
SL 340 COTE BLANCHE ISLAND ST MARY 2024-04-30 TRI-STAR OPCO LLC 17101222500000
SL 340 COTE BLANCHE ISLAND ST MARY 2023-06-12 TRI-STAR OPCO LLC 17101009470000
SL 340 COTE BLANCHE ISLAND ST MARY 2023-05-03 TRI-STAR OPCO LLC 17101223250000
SL 340 COTE BLANCHE ISLAND ST MARY 2022-10-17 TRI-STAR OPCO LLC 17101009060000
SL 340 COTE BLANCHE ISLAND ST MARY 2022-06-02 TRI-STAR OPCO LLC 17101021180000

Top Operators in the COTE BLANCHE ISLAND field by total wells

TEXACO E & P INC.90TEXACO, INC.76TRI-STAR OPCO LLC70SHELL OIL COMPANY8TEXACO PRODUCING INC.6SWIFT ENERGY OPERATING, LLC5HUMBLE OIL AND REFINING CO.3KERR-MCGEE OIL INDUSTRIES INC2ALTA MESA SERVICES, LP2FMP OPERATING COMPANY, LTD PTN2

Operators: Texaco E & P Inc., Texaco, Inc., Tri-Star Opco Llc, Shell Oil Company, Texaco Producing Inc., Swift Energy Operating, Llc, Humble Oil And Refining Co., Kerr-Mcgee Oil Industries Inc, Alta Mesa Services, Lp, Fmp Operating Company, Ltd Ptn.

Parishes Intersected by the COTE BLANCHE ISLAND field

ST MARY278
ST MARY

Other Major Fields in Louisiana most active by total wells

Compare the COTE BLANCHE ISLAND field against the other busiest oil and gas fields in Louisiana: