COWAN & MCKINNEY

Oil · District 09 · Lease #23325

Operator: JOHNSON & ERNST OPERATING CO.

Cum Oil

4k BBL

Cum Gas

21 MCF

casinghead

Wells

2

Production

1993-01 — 1998-06

Peak Month

1993-09

Production History

Cum Oil: 3,534 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

69 BBL/mo

Di (annual)

13.5%

b-factor

0.0

EUR

6,074 BBL

R-squared

0.577

type

exponential

Operator History (from monthly production reports)

1993-01 — 2000-05 JOHNSON & ERNST OPERATING CO. 89 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3JOHNSON & ERNST OPERATING CO.11,6001983-11-04
1JOHNSON & ERNST OPERATING CO.15,0001983-03-31