COWAN-MCKINNEY "L"

Oil · District 09 · Lease #23776

Operator: R & R OPERATING

Cum Oil

5k BBL

Cum Gas

104 MCF

casinghead

Wells

5

Production

1993-01 — 2002-02

Peak Month

1993-02

Production History

Cum Oil: 5,034 BBL Cum Gas: 104 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

98 BBL/mo

Di (annual)

24.8%

b-factor

0.0

EUR

4,682 BBL

R-squared

0.318

type

exponential

Operator History (from monthly production reports)

2001-08 — 2008-03 EFFICIENCY OPERATING COMPANY 80 mo
2000-05 — 2001-07 R & R OPERATING 15 mo
1995-06 — 2000-04 EFFICIENCY OPERATING COMPANY 59 mo
1993-01 — 1995-05 EFFICIENCY OPERATING SERVICE 29 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5EFFICIENCY OPERATING COMPANY11,6001988-06-30
4EFFICIENCY OPERATING COMPANY11,6001984-12-10
3EFFICIENCY OPERATING COMPANY11,6001983-11-29
2EFFICIENCY OPERATING COMPANY11,6001983-09-27
1EFFICIENCY OPERATING COMPANY11,6001983-07-28