ELK BASIN Field Activity and Well Summary

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Total wells

662
ELK BASIN field

Drill activity

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drill dates not in our copy of this source

The ELK BASIN oil & gas field in Wyoming contains 662 wells on file.

Top operators: CONTANGO RESOURCES LLC, HOWELL PETROLEUM CORP, and others.

Most recent well: ELK BASIN #366, operated by BP AMERICA PRODUCTION COMPANY — last updated March 2026.

ELK BASIN field coverage

Counties the ELK BASIN field intersects.

Lincoln CountyFremont CountyUinta CountyBig Horn CountyHot Springs CountyWashakie CountyConverse CountySweetwater CountyCrook CountyCarbon CountyCampbell CountyNatrona CountyLaramie CountyPlatte CountyWeston CountyAlbany CountyPark — 662 wellsJohnson CountySheridan CountyNiobrara CountyTeton CountySublette CountyGoshen County
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Recent wells

Well Name County Last activity Updates Operator API
ELK BASIN #366 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921568
ELK BASIN #374 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921563
ELK BASIN #372 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921560
ELK BASIN #376 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921561
ELK BASIN #337 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921520
ELK BASIN #375 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921562
ELK BASIN #373 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921558
ELK BASIN #350 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921541
ELK BASIN #351 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921548
ELK BASIN #371 Park 2026-03-18 BP AMERICA PRODUCTION COMPANY 2921569

Top Operators in the ELK BASIN field by total wells

CONTANGO RESOURCES LLC332HOWELL PETROLEUM CORP77BP AMERICA PRODUCTION COMPANY73MARATHON OIL COMPANY25STANOLIND OIL & GAS COMPANY21ANADARKO E&P ONSHORE LLC20HENDERSON PETROLEUM CORP19GRIZZLY OPERATING LLC15WBI ENERGY TRANSMISSION INC14CONOCO INC12

Operators: Contango Resources Llc, Howell Petroleum Corp, Bp America Production Company, Marathon Oil Company, Stanolind Oil & Gas Company, Anadarko E&p Onshore Llc, Henderson Petroleum Corp, Grizzly Operating Llc, Wbi Energy Transmission Inc, Conoco Inc.

Counties Intersected by the ELK BASIN field

Park662
Park

Other Major Fields in Wyoming most active by total wells

Compare the ELK BASIN field against the other busiest oil and gas fields in Wyoming: