CLARK

Oil · District 09 · Lease #24700

Operator: EFFICIENCY OPERATING SERVICE

Cum Oil

694 BBL

Cum Gas

44 MCF

casinghead

Wells

4

Production

1993-01 — 1999-09

Peak Month

1994-03

Production History

Cum Oil: 694 BBL Cum Gas: 44 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

32 BBL/mo

Di (annual)

61.5%

b-factor

0.0

EUR

611 BBL

R-squared

0.532

type

exponential

Operator History (from monthly production reports)

1995-06 — 2003-08 EFFICIENCY OPERATING COMPANY 99 mo
1994-03 — 1995-05 EFFICIENCY OPERATING SERVICE 15 mo
1993-01 — 1994-02 DEFRANCO OIL ACCOUNT 14 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8EFFICIENCY OPERATING COMPANY11,9501989-08-03
5EFFICIENCY OPERATING COMPANY11,9991987-12-08
3EFFICIENCY OPERATING COMPANY11,9991986-05-13
1EFFICIENCY OPERATING COMPANY12,0001984-08-14