GRAHAM UNIT 140-141

Oil · District 08 · Lease #56671

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

795k BBL

Cum Gas

2.8M MCF

casinghead

Wells

3

Production

2021-08 — 2026-04

Peak Month

2022-01

Production History

Cum Oil: 794,980 BBL Cum Gas: 2,840,010 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

58,308 BBL/mo

Di (annual)

205.6%

b-factor

0.8

EUR

1,139,308 BBL

R-squared

0.962

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2021-08 — 2024-07 CALLON PETROLEUM OPERATING CO 36 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HAPACHE CORPORATION113,0002021-04-09
6HAPACHE CORPORATION113,0002021-04-09
7HAPACHE CORPORATION113,0002021-04-09