ANP -135-

Oil · District 8 · Lease #28090

Operator: RICHEY, RAY MANAGEMENT CO., INC.

Cum Oil

45k BBL

Cum Gas

0 MCF

Wells

2

Production

1997-01 — 2006-07

Peak Month

1997-04

Production History

Cum Oil: 44,928 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,075 BBL/mo

Di (annual)

86.0%

b-factor

0.2

EUR

53,556 BBL

R-squared

0.944

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MITCHELL ENERGY CORPORATION25,4001999-10-19
1LMITCHELL ENERGY CORPORATION25,4001999-10-19
Live © 2026 Petrora