BERTHOLD

Oil · District 03 · Lease #23191

Operator: PRIME OPERATING COMPANY

Cum Oil

14k BBL

Cum Gas

300k MCF

casinghead

Wells

1

Production

1997-01 — 1999-02

Peak Month

1997-12

Production History

Cum Oil: 13,582 BBL Cum Gas: 299,670 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

896 BBL/mo

Di (annual)

150.1%

b-factor

0.6

EUR

16,525 BBL

R-squared

0.862

type

hyperbolic

Operator History (from monthly production reports)

1997-01 — 1999-05 PRIME OPERATING COMPANY 29 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PRIME OPERATING COMPANY39,2112001-07-31