ESTES

Oil · District 08 · Lease #28128

Operator: VALLA ENERGY CORPORATION

Cum Oil

7k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

1993-01 — 1998-09

Peak Month

1997-03

Production History

Cum Oil: 7,186 BBL Cum Gas: 5,291 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

969 BBL/mo

Di (annual)

306.9%

b-factor

0.0

EUR

3,806 BBL

R-squared

0.561

type

exponential

Operator History (from monthly production reports)

2000-09 — 2003-05 ENDEAVOR ENERGY RESOURCES L.P. 33 mo
1997-07 — 2000-08 STEPHENS, AUTRY C. 38 mo
1997-03 — 1997-06 VALLA ENERGY CORPORATION 4 mo
1993-01 — 1997-02 JMW RESOURCES, INC. 50 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENDEAVOR ENERGY RESOURCES L.P.19,3501982-07-12