ROOF, JOHN H.

Oil · District 01 · Lease #8209

Operator: UNDERBRINK OIL

Fields: FAIRFIELD

Cum Oil

3k BBL

Cum Gas

18 MCF

casinghead

Wells

4

Production

1993-01 — 2021-07

Peak Month

1996-09

Production History

Cum Oil: 2,957 BBL Cum Gas: 18 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2021-06 — 2026-07 PETROSAURUS, INC. 62 mo

2010-01 — 2021-05 CIVRON PETROLEUM RES., LLC 137 mo

2004-06 — 2009-12 UNDERBRINK OIL 67 mo

1993-01 — 2004-05 CALK, ROGER D. 137 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-029-31873	PETROSAURUS INC.	1	1,400	1981-11-30
2	42-029-31874	PETROSAURUS INC.	1	1,400	1981-11-30
3	42-029-31875	PETROSAURUS INC.	1	1,400	1981-11-30
4	42-029-31876	PETROSAURUS INC.	1	1,400	1981-11-30