GLASS -3-

Oil · District 08 · Lease #30110

Operator: THOMPSON, J. CLEO

Fields: SPRABERRY (TREND AREA)

Cum Oil

29k BBL

Cum Gas

13k MCF

casinghead

Wells

1

Production

1993-01 — 2019-10

Peak Month

2010-05

Production History

Cum Oil: 28,914 BBL Cum Gas: 13,066 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2018-08 — 2023-07 COG OPERATING LLC 60 mo

2015-08 — 2018-07 RSP PERMIAN, LLC 36 mo

2010-02 — 2015-07 THOMPSON, J. CLEO 66 mo

1993-01 — 2010-01 DISCOVERY OPERATING, INC. 205 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-317-33156	COG OPERATING LLC	1	10,500	1985-04-08