GILLIAM

Oil · District 01 · Lease #11579

Operator: THREE FORKS OPERATING CO, LLC

Cum Oil

29k BBL

Cum Gas

39k MCF

casinghead

Wells

2

Production

1993-01 — 2016-05

Peak Month

2013-02

Production History

Cum Oil: 28,834 BBL Cum Gas: 39,429 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

139 BBL/mo

Di (annual)

5.4%

b-factor

0.0

EUR

28,893 BBL

R-squared

0.326

type

exponential

Operator History (from monthly production reports)

2025-02 — 2026-07 BRAZOS GEOLOGICAL CONSULTING LT 18 mo
2010-12 — 2025-01 SELLERS LEASE SERVICE, INC. 170 mo
2006-11 — 2010-11 THREE FORKS OPERATING CO, LLC 49 mo
1993-01 — 2006-10 HEARTLAND RESOURCES, INC. 166 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BRAZOS GEOLOGICAL CONSULTING LT23,1002016-06-06
2BRAZOS GEOLOGICAL CONSULTING LT23,1002013-02-13