UNIVERSITY 8-10

Oil · District 08 · Lease #38790

Operator: THREE RIVERS OPERATING CO LLC

Cum Oil

80k BBL

Cum Gas

82k MCF

casinghead

Wells

1

Production

2008-05 — 2026-04

Peak Month

2008-07

Production History

Cum Oil: 80,167 BBL Cum Gas: 82,442 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,583 BBL/mo

Di (annual)

54.2%

b-factor

0.9

EUR

105,772 BBL

R-squared

0.793

type

hyperbolic

Operator History (from monthly production reports)

2012-08 — 2026-07 COG OPERATING LLC 168 mo
2011-01 — 2012-07 THREE RIVERS OPERATING CO LLC 19 mo
2008-05 — 2010-12 SAMSON LONE STAR, LLC 32 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COG OPERATING LLC214,0002007-12-21