LONGHORN -213-

Oil · District 10 · Lease #33781

Operator: VIN FISHER OPERATING, INC.

Cum Oil

295k BBL

Cum Gas

0 MCF

Wells

7

Production

1993-03 — 2026-03

Peak Month

1994-03

Production History

Cum Oil: 294,597 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,434 BBL/mo

Di (annual)

13.6%

b-factor

0.3

EUR

283,265 BBL

R-squared

0.880

type

hyperbolic

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5RUST OIL CORP.14,7501999-11-24
4RUST OIL CORP.14,7501995-01-02
3RUST OIL CORP.14,7501993-11-05
1XRUST OIL CORP.14,7001993-05-27
2XRUST OIL CORP.14,7001993-05-27
1RUST OIL CORP.14,7001993-03-03
2RUST OIL CORP.14,7001993-03-03
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