CUMMINS -K-

Oil · District 08 · Lease #38000

Operator: OXY USA WTP LP

Cum Oil

19k BBL

Cum Gas

117k MCF

casinghead

Wells

4

Production

2006-11 — 2026-03

Peak Month

2007-10

Production History

Cum Oil: 19,075 BBL Cum Gas: 117,283 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

232 BBL/mo

Di (annual)

203.8%

b-factor

1.8

EUR

15,642 BBL

R-squared

0.453

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 OCTANE ENERGY OPERATING, LLC 9 mo
2023-07 — 2025-10 FIVESTONES ENERGY LLC 28 mo
2006-11 — 2023-06 OXY USA WTP LP 200 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OCTANE ENERGY OPERATING, LLC212,5002017-02-17
3OCTANE ENERGY OPERATING, LLC19,1031979-09-07
6OCTANE ENERGY OPERATING, LLC15,8501977-06-23
942-135-20386OCTANE ENERGY OPERATING, LLC------