SOVEREIGN 28-0-18-7 D

Oil · District 08 · Lease #64032

Operator: ANADARKO E&P ONSHORE LLC

Cum Oil

229k BBL

Cum Gas

412k MCF

casinghead

Wells

1

Production

2025-04 — 2026-04

Peak Month

2025-05

Production History

Cum Oil: 228,703 BBL Cum Gas: 411,767 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

40,273 BBL/mo

Di (annual)

242.0%

b-factor

0.1

EUR

222,541 BBL

R-squared

0.874

type

hyperbolic

Operator History (from monthly production reports)

2025-04 — 2026-07 ANADARKO E&P ONSHORE LLC 16 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14HANADARKO E&P ONSHORE LLC113,0002024-07-03