DUKE-KEATHLY

Oil · District 8 · Lease #26929

Operator: T-N-T ENGINEERING, INC.

Cum Oil

415k BBL

Cum Gas

0 MCF

Wells

5

Production

1993-06 — 2026-03

Peak Month

1994-10

Production History

Cum Oil: 414,695 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,472 BBL/mo

Di (annual)

10.0%

b-factor

0.7

EUR

468,637 BBL

R-squared

0.941

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5RUSSELL, T. OPERATING INC.13,4001995-07-31
4RUSSELL, T. OPERATING INC.13,3501994-08-10
3RUSSELL, T. OPERATING INC.23,4001994-01-05
2DUKE OIL CO.14,2001985-12-31
1DUKE OIL CO.14,2001985-12-12
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