MAMMOTH 54-1-18-19 P

Oil · District 08 · Lease #63639

Operator: ANADARKO E&P ONSHORE LLC

Cum Oil

453k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2025-01 — 2026-04

Peak Month

2025-03

Production History

Cum Oil: 452,865 BBL Cum Gas: 1,601,423 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

52,291 BBL/mo

Di (annual)

293.6%

b-factor

1.2

EUR

1,465,004 BBL

R-squared

0.935

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
171HANADARKO E&P ONSHORE LLC111,9772024-05-31