BLANCO-FULLERTON -E-

Oil · District 08 · Lease #36615

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Cum Oil

81k BBL

Cum Gas

101k MCF

casinghead

Wells

1

Production

2001-01 — 2026-04

Peak Month

2002-06

Production History

Cum Oil: 81,154 BBL Cum Gas: 100,584 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,194 BBL/mo

Di (annual)

80.8%

b-factor

1.3

EUR

88,975 BBL

R-squared

0.803

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2010-09 — 2021-01 LEGACY RESERVES OPERATING LP 125 mo
2007-08 — 2010-08 SHERIDAN PRODUCTION COMPANY, LLC 37 mo
2003-08 — 2007-07 SAGE ENERGY COMPANY 48 mo
2001-01 — 2003-07 BLANCO OIL CO. 31 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18EXTEX OPERATING COMPANY18,3082000-10-24