ALLEN OIL UNIT #1

Oil · District 02 · Lease #7121

Operator: SULPHUR RIVER EXPLORATION, INC.

Fields: HALLETTSVILLE (BURNS 9600)

Cum Oil

115k BBL

Cum Gas

365k MCF

casinghead

Wells

1

Production

1993-01 — 2025-08

Peak Month

2007-01

Production History

Cum Oil: 114,851 BBL Cum Gas: 364,865 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2023-06 — 2026-01 CAPITAL STAR OIL & GAS, INC. 32 mo

2018-05 — 2023-05 SULPHUR RIVER EXPLORATION, INC. 61 mo

2008-12 — 2018-04 PIONEER NATURAL RES. USA, INC. 113 mo

2006-05 — 2008-11 CIMAREX ENERGY CO. OF COLORADO 31 mo

2002-04 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 49 mo

1999-07 — 2002-03 PRIZE OPERATING COMPANY 33 mo

1997-09 — 1999-06 PIONEER NATURAL RES. USA, INC. 22 mo

1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo

1994-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 14 mo

1993-01 — 1993-12 HOWELL DRILLING, INC. 12 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-285-30581	CAPITAL STAR OIL & GAS, INC.	2	9,850	1984-11-08