SHANNON, J. M. EST. -B-

Oil · District 7C · Lease #2790

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

Cum Oil

8k BBL

Cum Gas

41 MCF

casinghead

Wells

3

Production

1993-01 — 2010-04

Peak Month

2000-12

Production History

Cum Oil: 8,037 BBL Cum Gas: 41 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2005-02 — 2012-09 SUNDOWN ENERGY LP 92 mo
2003-01 — 2005-01 SUNDOWN ENERGY, INC. 25 mo
2002-12 — 2002-12 ZEPHYR LONE STAR OPER CO.,L.L.C. 1 mo
1999-11 — 2002-11 KLASSEN ENERGY, INC. 37 mo
1998-04 — 1999-10 J. C. OIL COMPANY 19 mo
1994-05 — 1998-03 ENERGY PRODUCTION CORPORATION 47 mo
1993-01 — 1994-04 TEXCAL RESOURCES, INC. 16 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SUNDOWN ENERGY LP12,6001993-01-28
142-105-03221SUNDOWN ENERGY LP------
242-105-03226SUNDOWN ENERGY LP------