SHANNON-DYCO

Oil · District 7C · Lease #1274

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

Fields: SHANNON (SAN ANDRES)

Cum Oil

4k BBL

Cum Gas

3k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2005-08

Production History

Cum Oil: 3,550 BBL Cum Gas: 3,184 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2017-07 — 2026-07 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

1997-11 — 2002-11 ENERGY PRODUCTION CORPORATION 61 mo

1993-05 — 1997-10 HAWKEYE TRANSMISSION COMPANY 54 mo

1993-01 — 1993-04 COX, ROBERT G. & ASSOCIATES,INC. 4 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-105-02014	CLARK OIL CO.	2	2,500	2012-07-23
2	42-105-80209	CLARK OIL CO.	1	2,500	2012-07-23