MAMMOTH 54-1-18-19 M

Oil · District 08 · Lease #63792

Operator: ANADARKO E&P ONSHORE LLC

Cum Oil

452k BBL

Cum Gas

1.5M MCF

casinghead

Wells

1

Production

2025-01 — 2026-04

Peak Month

2025-01

Production History

Cum Oil: 452,223 BBL Cum Gas: 1,509,572 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

75,704 BBL/mo

Di (annual)

290.6%

b-factor

0.5

EUR

618,260 BBL

R-squared

0.985

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 ANADARKO E&P ONSHORE LLC 19 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
151HANADARKO E&P ONSHORE LLC211,9772024-05-31