SURFSIDE A1

Oil · District 08 · Lease #60135

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

189k BBL

Cum Gas

232k MCF

casinghead

Wells

1

Production

2023-04 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 188,836 BBL Cum Gas: 231,695 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,050 BBL/mo

Di (annual)

65.6%

b-factor

0.0

EUR

183,835 BBL

R-squared

0.590

type

exponential

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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3LAAPACHE CORPORATION211,8002022-12-27