SEALY -90-

Oil · District 08 · Lease #34800

Operator: VISTA RESOURCES, INC. (A)

Fields: WAR-WINK (CHERRY CANYON)

Cum Oil

141k BBL

Cum Gas

151k MCF

casinghead

Wells

6

Production

1995-12 — 2026-04

Peak Month

1997-12

Production History

Cum Oil: 140,737 BBL Cum Gas: 151,033 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,811 BBL/mo

Di (annual)

36.8%

b-factor

0.5

EUR

106,424 BBL

R-squared

0.682

type

hyperbolic

Operator History (from monthly production reports)

2025-12 — 2026-07 TS OIL, LLC 8 mo

2023-01 — 2025-11 JETTA OPERATING COMPANY, INC. 35 mo

2019-06 — 2022-12 MCDANIEL COMPANY, INC., THE 43 mo

2006-05 — 2019-05 CIMAREX ENERGY CO. OF COLORADO 157 mo

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

2000-03 — 2002-03 PRIZE OPERATING COMPANY 25 mo

1998-10 — 2000-02 VISTA RESOURCES, INC. (A) 17 mo

1995-12 — 1998-09 IP PETROLEUM COMPANY, INC. 34 mo

Wells (6)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
8	42-495-32721	TS OIL, LLC	1	7,900	1998-04-27
7	42-495-32713	TS OIL, LLC	2	7,800	1997-12-08
6	42-495-32698	TS OIL, LLC	1	7,400	1997-08-28
5	42-495-32636	TS OIL, LLC	1	7,400	1997-02-26
2	42-495-32514	TS OIL, LLC	1	7,400	1995-12-27
1	42-495-32496	TS OIL, LLC	1	7,200	1995-10-16