< leases

DOBSON RANCH 1

Gas · District 10 · Lease #227890

Operator: SIERRA RESOURCES, INC.

Fields: STILES RANCH (GRANITE WASH) ,STILES RANCH (GRANITE WASH CONS)

Cum Oil

0 BBL

Cum Gas

560k MCF

Wells

1

Production

2007-04 — 2026-04

Peak Month

2007-05

Production History

Cum Oil: 0 BBL Cum Gas: 560,255 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2019-07 — 2026-07 PRESIDIO PETROLEUM LLC 85 mo
2012-05 — 2019-06 APACHE CORPORATION 86 mo
2010-03 — 2012-04 CORDILLERA ENERGY PRTNRS III,LLC 26 mo
2009-06 — 2010-02 SIERRA RESOURCES, INC. 9 mo
2007-04 — 2009-05 CROWN PETROLEUM CORP. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-483-31594PRESIDIO PETROLEUM LLC217,5002006-10-31