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ALMA

Oil · District 08 · Lease #7001

Operator: THREE RIVERS OPERATING CO LLC

Fields: TXL (SILURIAN)

Cum Oil

52k BBL

Cum Gas

132k MCF

casinghead

Wells

5

Production

1993-01 — 2017-10

Peak Month

2009-10

Production History

Cum Oil: 52,097 BBL Cum Gas: 132,175 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

295 BBL/mo

Di (annual)

27.2%

b-factor

0.0

EUR

12,996 BBL

R-squared

0.366

type

exponential

Operator History (from monthly production reports)

2023-03 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 41 mo
2013-01 — 2023-02 LEGACY RESERVES OPERATING LP 122 mo
2012-08 — 2012-12 COG OPERATING LLC 5 mo
2010-04 — 2012-07 THREE RIVERS OPERATING CO LLC 28 mo
2004-05 — 2010-03 CHESAPEAKE OPERATING, INC. 71 mo
2000-05 — 2004-04 PERMIAN RESOURCES, INC. 48 mo
1995-10 — 2000-04 MERIT ENERGY COMPANY 55 mo
1993-01 — 1995-09 PHILLIPS PETROLEUM COMPANY 33 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-135-02437HIGHMARK ENERGY OPERATING, LLC19,8772009-07-13
7 T42-135-02440HIGHMARK ENERGY OPERATING, LLC39,8772009-03-02
342-135-02436HIGHMARK ENERGY OPERATING, LLC29,4202002-05-06
9 U42-135-20250HIGHMARK ENERGY OPERATING, LLC19,0421983-04-20
242-135-02435HIGHMARK ENERGY OPERATING LLC------