ANP -153-

Oil · District 7B · Lease #27920

Operator: RICHEY, RAY MANAGEMENT CO., INC.

Cum Oil

84k BBL

Cum Gas

195k MCF

casinghead

Wells

3

Production

1996-08 — 2004-06

Peak Month

1997-08

Production History

Cum Oil: 84,062 BBL Cum Gas: 194,615 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,758 BBL/mo

Di (annual)

108.6%

b-factor

0.3

EUR

59,152 BBL

R-squared

0.876

type

hyperbolic

Operator History (from monthly production reports)

2000-04 — 2020-01 RICHEY, RAY MANAGEMENT CO., INC. 238 mo
1996-08 — 2000-03 MITCHELL ENERGY CORPORATION 44 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3UMITCHELL ENERGY CORPORATION35,3501997-04-30
4RICHEY RAY MANAGEMENT CO. INC.15,4001996-11-07
2MITCHELL ENERGY CORPORATION15,5001996-05-17