SURFSIDE UNIT

Oil · District 08 · Lease #60116

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

895k BBL

Cum Gas

1.1M MCF

casinghead

Wells

3

Production

2023-04 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 894,839 BBL Cum Gas: 1,098,119 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

80,260 BBL/mo

Di (annual)

162.1%

b-factor

0.5

EUR

1,160,249 BBL

R-squared

0.949

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2023-04 — 2024-07 CALLON PETROLEUM OPERATING CO 16 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11UAAPACHE CORPORATION211,8002022-11-28
12UAAPACHE CORPORATION211,8002022-11-22
4LAAPACHE CORPORATION211,8002022-11-22