SLEEPING INDIAN A1

Oil · District 08 · Lease #48956

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

539k BBL

Cum Gas

745k MCF

casinghead

Wells

1

Production

2017-09 — 2026-04

Peak Month

2017-10

Production History

Cum Oil: 539,320 BBL Cum Gas: 745,322 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,813 BBL/mo

Di (annual)

19.8%

b-factor

0.0

EUR

533,259 BBL

R-squared

0.447

type

exponential

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2017-09 — 2024-07 CALLON PETROLEUM OPERATING CO 83 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1LAAPACHE CORPORATION211,5502017-06-09