MOBIL-COOK

Oil · District 7C · Lease #6330

Operator: THREE RIVERS OPERATING CO LLC

Cum Oil

310k BBL

Cum Gas

3.3M MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

1999-10

Production History

Cum Oil: 310,056 BBL Cum Gas: 3,279,988 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,477 BBL/mo

Di (annual)

4.6%

b-factor

0.0

EUR

343,893 BBL

R-squared

0.747

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 (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1 UEXTEX OPERATING COMPANY210,6501993-10-22
2 UEXTEX OPERATING COMPANY110,5801993-10-21
3EXTEX OPERATING COMPANY110,5651991-02-19
3 UEXTEX OPERATING COMPANY110,5651991-02-19
4 U42-461-30268EXTEX OPERATING COMPANY------
542-461-30390EXTEX OPERATING COMPANY------