CUMMINS, H.E. -J-

Oil · District 08 · Lease #35176

Operator: SLANT OPERATING, LLC

Cum Oil

10k BBL

Cum Gas

63k MCF

casinghead

Wells

1

Production

1996-11 — 2025-12

Peak Month

2025-11

Production History

Cum Oil: 9,622 BBL Cum Gas: 62,860 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

223 BBL/mo

Di (annual)

77.1%

b-factor

0.9

EUR

11,369 BBL

R-squared

0.720

type

hyperbolic

Operator History (from monthly production reports)

2023-11 — 2026-05 FORMENTERA OPERATIONS LLC 31 mo
2021-07 — 2023-10 SLANT OPERATING, LLC 28 mo
2007-04 — 2021-06 APACHE CORPORATION 171 mo
1996-11 — 2007-03 ANADARKO PETROLEUM CORPORATION 125 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2FORMENTERA OPERATIONS LLC15,7771996-12-17