LONGHORN -213-

Oil · District 08 · Lease #33781

Operator: VIN FISHER OPERATING, INC.

Cum Oil

295k BBL

Cum Gas

464k MCF

casinghead

Wells

7

Production

1993-03 — 2026-04

Peak Month

1995-06

Production History

Cum Oil: 295,368 BBL Cum Gas: 464,020 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,440 BBL/mo

Di (annual)

13.7%

b-factor

0.3

EUR

283,347 BBL

R-squared

0.880

type

hyperbolic

Operator History (from monthly production reports)

2024-02 — 2026-07 VIN FISHER OPERATING, INC. 30 mo
2023-09 — 2024-01 HARVEST PETROLEUM INC. 5 mo
2017-12 — 2023-08 MERCURY OPERATING, LLC 69 mo
2016-06 — 2017-11 VIN FISHER OPERATING, INC. 18 mo
2000-03 — 2016-05 FOSSIL ROCK RESOURCES, INC. 195 mo
1999-10 — 2000-02 RUST OPERATING CO., INC. 5 mo
1993-03 — 1999-09 RUST OIL CORP. 79 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5VIN FISHER OPERATING, INC.14,7501999-11-24
4VIN FISHER OPERATING, INC.14,7501995-01-02
3VIN FISHER OPERATING, INC.14,7501993-11-05
1XVIN FISHER OPERATING, INC.14,7001993-05-27
2XVIN FISHER OPERATING, INC.14,7001993-05-27
1VIN FISHER OPERATING, INC.14,7001993-03-03
2VIN FISHER OPERATING, INC.14,7001993-03-03