ANP -135-

Oil · District 7B · Lease #28713

Operator: RICHEY, RAY MANAGEMENT CO., INC.

Cum Oil

17k BBL

Cum Gas

20k MCF

casinghead

Wells

1

Production

1999-12 — 2002-01

Peak Month

2000-01

Production History

Cum Oil: 16,593 BBL Cum Gas: 19,876 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,326 BBL/mo

Di (annual)

602.1%

b-factor

1.3

EUR

45,963 BBL

R-squared

0.865

type

hyperbolic

Operator History (from monthly production reports)

2000-04 — 2019-12 RICHEY, RAY MANAGEMENT CO., INC. 237 mo
1999-12 — 2000-03 MITCHELL ENERGY CORPORATION 4 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1URICHEY RAY MANAGEMENT CO. INC.25,4001999-10-19