CALCOTE UNIT

Oil · District 7C · Lease #14867

Operator: WINDOW OPERATING CO., THE

Cum Oil

43k BBL

Cum Gas

114k MCF

casinghead

Wells

1

Production

1999-03 — 2017-04

Peak Month

1999-07

Production History

Cum Oil: 43,437 BBL Cum Gas: 114,391 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

884 BBL/mo

Di (annual)

81.3%

b-factor

1.0

EUR

48,671 BBL

R-squared

0.734

type

hyperbolic

Operator History (from monthly production reports)

2018-06 — 2023-02 HARDROCK RESOURCES INC. 57 mo
2017-08 — 2018-05 WINDOW OPERATING CO., THE 10 mo
1999-03 — 2017-07 WALSH RESOURCES, INC. 221 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HARDROCK RESOURCES INC.24,7001998-08-18