ISAACS 80

Oil · District 10 · Lease #5243

Operator: PRIZE OPERATING COMPANY

Fields: GEM-HEMPHILL (DOUGLAS LO.)

Cum Oil

61k BBL

Cum Gas

467k MCF

casinghead

Wells

4

Production

1993-01 — 2023-09

Peak Month

1994-03

Production History

Cum Oil: 60,671 BBL Cum Gas: 467,309 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

388 BBL/mo

Di (annual)

7.6%

b-factor

0.0

EUR

59,910 BBL

R-squared

0.543

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 BCE-MACH III LLC 62 mo

2006-05 — 2021-05 CIMAREX ENERGY CO. OF COLORADO 181 mo

2002-04 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 49 mo

1999-07 — 2002-03 PRIZE OPERATING COMPANY 33 mo

1997-09 — 1999-06 PIONEER NATURAL RES. USA, INC. 22 mo

1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo

1993-11 — 1995-02 MIDPAR L.P. 16 mo

1993-01 — 1993-10 GRAHAM ROYALTY, LTD. 10 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-211-31136	BCE-MACH III LLC	2	8,523	1990-04-12
3080	42-211-31136	BCE-MACH III LLC	2	8,523	1990-04-12
1	42-211-31001	BCE-MACH III LLC	2	8,500	1982-12-03
1080	42-211-31001	BCE-MACH III LLC	2	8,500	1982-12-03