SMS -181-

Oil · District 7B · Lease #28205

Operator: MITCHELL ENERGY CORPORATION

Cum Oil

5k BBL

Cum Gas

12k MCF

casinghead

Wells

1

Production

1997-06 — 1999-02

Peak Month

1997-07

Production History

Cum Oil: 5,142 BBL Cum Gas: 12,123 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

724 BBL/mo

Di (annual)

904.2%

b-factor

1.5

EUR

15,005 BBL

R-squared

0.819

type

hyperbolic

Operator History (from monthly production reports)

1997-06 — 1999-05 MITCHELL ENERGY CORPORATION 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MITCHELL ENERGY CORPORATION15,4001996-12-13