SHIRK, OTTO

Oil · District 7C · Lease #8240

Operator: XERIC OIL & GAS CORPORATION

Fields: MCCAMEY

Cum Oil

63 BBL

Cum Gas

14 MCF

casinghead

Wells

2

Production

1993-01 — 1996-06

Peak Month

1995-06

Production History

Cum Oil: 63 BBL Cum Gas: 14 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12 BBL/mo

Di (annual)

459.8%

b-factor

0.7

EUR

56 BBL

R-squared

0.836

type

hyperbolic

Operator History (from monthly production reports)

2014-01 — 2026-07 BUSTOS, MARTIN OIL 151 mo

1996-07 — 2013-12 PHARAOH OIL & GAS, INC. 210 mo

1995-03 — 1996-06 BADGER OIL COMPANY 16 mo

1994-07 — 1995-02 XERIC OIL & GAS CORPORATION 8 mo

1993-11 — 1994-06 CAPPS, RANDALL 8 mo

1993-06 — 1993-10 BLACK BADGER EXPLORATION 5 mo

1993-01 — 1993-05 BOLEN PROPERTIES 5 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-461-31595	BUSTOS MARTIN OIL	1	2,780	1980-06-06
1	42-461-31486	BUSTOS MARTIN OIL	1	2,800	1979-10-02