MINZENMAYER

Oil · District 7C · Lease #15109

Operator: WINDOW OPERATING CO., THE

Cum Oil

15k BBL

Cum Gas

45k MCF

casinghead

Wells

1

Production

2001-02 — 2026-04

Peak Month

2002-07

Production History

Cum Oil: 14,810 BBL Cum Gas: 44,856 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

110 BBL/mo

Di (annual)

8.3%

b-factor

0.0

EUR

15,585 BBL

R-squared

0.675

type

exponential

Operator History (from monthly production reports)

2018-06 — 2026-07 HARDROCK RESOURCES INC. 98 mo
2017-08 — 2018-05 WINDOW OPERATING CO., THE 10 mo
2001-02 — 2017-07 WALSH RESOURCES, INC. 198 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HARDROCK RESOURCES INC.14,6002000-06-19