TEXAS UNIVERSITY -EE-

Oil · District 08 · Lease #438

Operator: WIND RIVER ENERGY, INC.

Cum Oil

289k BBL

Cum Gas

215k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2000-01

Production History

Cum Oil: 288,989 BBL Cum Gas: 214,579 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,244 BBL/mo

Di (annual)

19.6%

b-factor

0.5

EUR

227,884 BBL

R-squared

0.887

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2026-07 WIND RIVER ENERGY, INC. 403 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WIND RIVER ENERGY, INC.211,0651996-09-19
8DWIND RIVER ENERGY, INC.110,9901982-11-10
242-003-04721WIND RIVER ENERGY, INC.------