CASPER 37

Oil · District 08 · Lease #50597

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

383k BBL

Cum Gas

816k MCF

casinghead

Wells

1

Production

2018-08 — 2026-04

Peak Month

2018-09

Production History

Cum Oil: 382,738 BBL Cum Gas: 815,570 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,898 BBL/mo

Di (annual)

37.4%

b-factor

0.0

EUR

285,609 BBL

R-squared

0.451

type

exponential

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2018-08 — 2024-07 CALLON PETROLEUM OPERATING CO 72 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
99UAAPACHE CORPORATION211,6802018-05-11