SHANNON ESTATE "B"

Oil · District 7C · Lease #13548

Operator: ZEPHYR LONE STAR OPER CO.,L.L.C.

Fields: SHANNON

Cum Oil

0 BBL

Cum Gas

0 MCF

Wells

1

Production

1993-12 — 2026-07

Peak Month

1993-12

Production History

Cum Oil: 0 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2017-07 — current CLARK OIL CO. 109 mo

2005-02 — 2017-06 SUNDOWN ENERGY LP 149 mo

2003-01 — 2005-01 SUNDOWN ENERGY, INC. 25 mo

2002-12 — 2002-12 ZEPHYR LONE STAR OPER CO.,L.L.C. 1 mo

1993-12 — 2002-11 ENERGY PRODUCTION CORPORATION 108 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
14	42-105-03011	CLARK OIL CO.	1	2,068	1991-06-17