COWDEN -C-

Oil · District 10 · Lease #29825

Operator: KEYSTONE ENERGY OIL & GAS, INC.

Fields: HENDRICK

Cum Oil

7k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 1998-08

Peak Month

1993-04

Production History

Cum Oil: 6,565 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

142 BBL/mo

Di (annual)

15.4%

b-factor

0.0

EUR

10,964 BBL

R-squared

0.805

type

exponential

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MIDLAND ENERGY, INC. - KEYSTONE13,1001985-02-19
2MIDLAND ENERGY, INC. - KEYSTONE13,1001985-02-19
3MIDLAND ENERGY, INC. - KEYSTONE13,1001985-02-19
Live © 2026 Petrora