DAMRON "A"

Oil · District 7C · Lease #8002

Operator: THREE RIVERS OPERATING CO LLC

Cum Oil

210k BBL

Cum Gas

1.9M MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2005-08

Production History

Cum Oil: 209,630 BBL Cum Gas: 1,865,231 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

729 BBL/mo

Di (annual)

4.1%

b-factor

0.0

EUR

186,038 BBL

R-squared

0.525

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2013-01 — 2021-01 LEGACY RESERVES OPERATING LP 97 mo
2012-08 — 2012-12 COG OPERATING LLC 5 mo
2011-01 — 2012-07 THREE RIVERS OPERATING CO LLC 19 mo
2007-07 — 2010-12 SAMSON LONE STAR, LLC 42 mo
1996-08 — 2007-06 SAMSON LONE STAR LP 131 mo
1995-04 — 1996-07 SAMSON HYDROCARBONS COMPANY 16 mo
1993-01 — 1995-03 ORYX ENERGY COMPANY 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1EXTEX OPERATING COMPANY19,5001979-07-13