UNIVERSITY -19W-

Oil · District 08 · Lease #28406

Operator: VIN FISHER OPERATING, INC.

Fields: FUHRMAN-MASCHO

Cum Oil

55k BBL

Cum Gas

39k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 55,324 BBL Cum Gas: 38,506 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

306 BBL/mo

Di (annual)

8.8%

b-factor

0.5

EUR

57,414 BBL

R-squared

0.830

type

hyperbolic

Operator History (from monthly production reports)

2009-10 — 2026-07 REDCO OIL & GAS, INC. 202 mo

2008-06 — 2009-09 VIN FISHER OPERATING, INC. 16 mo

2005-02 — 2008-05 VIN FISHER OIL COMPANY 40 mo

1993-01 — 2005-01 REDCO OIL & GAS INC. 145 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-003-33691	REDCO OIL & GAS, INC.	1	4,950	1983-08-11