RANKIN Field Activity and Well Summary

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Total wells

13
RANKIN field

Drill activity

—
drill dates not in our copy of this source

The RANKIN oil & gas field in Wyoming contains 13 wells on file.

Top operators: CHEYENNE RIVER LLC, DAVIS OIL COMPANY, and others.

Most recent well: 18-3H, operated by CHEYENNE RIVER LLC — last updated March 2026.

RANKIN field coverage

Counties the RANKIN field intersects.

Lincoln CountyFremont CountyUinta CountyBig Horn CountyHot Springs CountyWashakie CountyConverse CountySweetwater CountyCrook CountyCarbon CountyCampbell CountyNatrona CountyLaramie CountyPlatte CountyWeston CountyAlbany CountyPark CountyJohnson CountySheridan CountyNiobrara — 13 wellsTeton CountySublette CountyGoshen County
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Recent wells

Well Name County Last activity Updates Operator API
18-3H Niobrara 2026-03-18 CHEYENNE RIVER LLC 2726953
8-2H Niobrara 2026-03-18 CHEYENNE RIVER LLC 2726874
8-3H Niobrara 2026-03-18 CHEYENNE RIVER LLC 2726875
8-4H Niobrara 2026-03-18 CHEYENNE RIVER LLC 2726876
18-1H Niobrara 2026-03-18 CHEYENNE RIVER LLC 2726948
18-2H Niobrara 2026-03-18 CHEYENNE RIVER LLC 2726949
18-4H Niobrara 2026-03-18 CHEYENNE RIVER LLC 2726952
8-1H Niobrara 2014-11-05 CENTURY OIL AND GAS LLC 2726873
RANKIN #1 Niobrara 1981-01-15 DAVIS OIL COMPANY 2720467
RANKIN #1 Niobrara 1959-12-02 DAVIS OIL COMPANY 2705989

Top Operators in the RANKIN field by total wells

CHEYENNE RIVER LLC7DAVIS OIL COMPANY3CENTURY OIL AND GAS LLC1GREAT BASINS PETROLEUM1MON-O-CO1

Operators: Cheyenne River Llc, Davis Oil Company, Century Oil And Gas Llc, Great Basins Petroleum, Mon-O-Co.

Counties Intersected by the RANKIN field

Niobrara13
Niobrara

Other Major Fields in Wyoming most active by total wells

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