GRUMPY CAT

Oil · District 7B · Lease #32516

Operator: EXTEX OPERATING COMPANY

Cum Oil

55k BBL

Cum Gas

451k MCF

casinghead

Wells

1

Production

2021-06 — 2026-03

Peak Month

2021-10

Production History

Cum Oil: 55,473 BBL Cum Gas: 450,608 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,894 BBL/mo

Di (annual)

308.4%

b-factor

0.8

EUR

66,802 BBL

R-squared

0.974

type

hyperbolic

Operator History (from monthly production reports)

2026-03 — 2026-07 EXTEX OPERATING COMPANY 5 mo
2021-06 — 2026-02 CHOLLA PETROLEUM, INC. 57 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1EXTEX OPERATING COMPANY37,9992020-09-09