DUSEK

Oil · District 03 · Lease #19186

Operator: ERNEST OPERATING COMPANY

Cum Oil

83k BBL

Cum Gas

465k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1995-09

Production History

Cum Oil: 83,077 BBL Cum Gas: 464,996 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,226 BBL/mo

Di (annual)

50.9%

b-factor

0.9

EUR

85,888 BBL

R-squared

0.843

type

hyperbolic

Operator History (from monthly production reports)

2017-02 — 2026-07 ERNEST OPERATING COMPANY 114 mo
1993-01 — 2017-01 BAR-MAC INVESTMENTS INC. 289 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ERNEST OPERATING COMPANY14,3001995-10-10
3ERNEST OPERATING COMPANY14,4001992-10-28
2ERNEST OPERATING COMPANY14,4001992-06-26
1ERNEST OPERATING COMPANY14,4001985-08-29