MAMMOTH 54-1-18-19 N

Oil · District 08 · Lease #63638

Operator: ANADARKO E&P ONSHORE LLC

Cum Oil

378k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2025-01 — 2026-04

Peak Month

2025-01

Production History

Cum Oil: 377,952 BBL Cum Gas: 1,247,043 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

73,025 BBL/mo

Di (annual)

505.6%

b-factor

0.8

EUR

639,597 BBL

R-squared

0.964

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
161HANADARKO E&P ONSHORE LLC111,9772024-05-31