SOVEREIGN 28-0-18-7 E

Oil · District 08 · Lease #64000

Operator: ANADARKO E&P ONSHORE LLC

Cum Oil

194k BBL

Cum Gas

355k MCF

casinghead

Wells

1

Production

2025-04 — 2026-04

Peak Month

2025-05

Production History

Cum Oil: 194,221 BBL Cum Gas: 355,330 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

39,396 BBL/mo

Di (annual)

404.1%

b-factor

0.5

EUR

232,810 BBL

R-squared

0.875

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15HANADARKO E&P ONSHORE LLC113,0002024-07-03