MCDONALD, ROLAND & BRENDA

Oil · District 01 · Lease #10765

Operator: STARR OPERATING COMPANY

Fields: SOMERSET

Cum Oil

5k BBL

Cum Gas

86 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1999-01

Production History

Cum Oil: 4,857 BBL Cum Gas: 86 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

46 BBL/mo

Di (annual)

37.3%

b-factor

0.8

EUR

3,669 BBL

R-squared

0.366

type

hyperbolic

Operator History (from monthly production reports)

2014-01 — 2026-07 PETRO LIONS, LLC 151 mo

2011-04 — 2013-12 BAR M PETROLEUM CO. 33 mo

2002-05 — 2011-03 CLAMP OPERATING INCORPORATED 107 mo

1999-01 — 2002-04 CLAMP OPERATING 40 mo

1998-01 — 1998-12 DIAMOND TRADING & PIPELINE CORP 12 mo

1993-12 — 1997-12 STARR OPERATING COMPANY 49 mo

1993-01 — 1993-11 CASIAS OIL WELL SERVICE, INC. 11 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-013-32408	PETRO LIONS, LLC	1	1,550	1983-10-24