< leases

CUNNINGHAM

Oil · District 8A · Lease #66073

Operator: THREE RIVERS OPERATING CO LLC

Fields: SLAUGHTER

Cum Oil

77k BBL

Cum Gas

266k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1994-11

Production History

Cum Oil: 76,657 BBL Cum Gas: 266,321 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

239 BBL/mo

Di (annual)

5.2%

b-factor

0.0

EUR

50,667 BBL

R-squared

0.435

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 SAMSON RESOURCES COMPANY 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2A42-219-35092EXTEX OPERATING COMPANY15,0001987-06-19