NENTWICH, J.

Oil · District 01 · Lease #10675

Operator: STARR OPERATING COMPANY

Fields: FAIRFIELD

Cum Oil

5k BBL

Cum Gas

42 MCF

casinghead

Wells

3

Production

1993-01 — 2026-03

Peak Month

1993-07

Production History

Cum Oil: 5,164 BBL Cum Gas: 42 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2014-01 — 2026-07 SIMCO OIL, LLC 151 mo

2006-05 — 2013-12 SIMCO OIL 92 mo

1997-12 — 2006-04 DIAMOND TRADING & PIPELINE CORP 101 mo

1993-03 — 1997-11 STARR OPERATING COMPANY 57 mo

1993-01 — 1993-02 CALK, J. M. OPERATING CO. 2 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-029-36642	SIMCO OIL, LLC	1	1,300	1985-08-21
1	42-029-36643	SIMCO OIL, LLC	1	1,300	1985-08-15
3	42-029-36645	SIMCO OIL, LLC	1	1,300	1985-08-15