SOVEREIGN 28-0-18-7 B

Oil · District 08 · Lease #63949

Operator: ANADARKO E&P ONSHORE LLC

Cum Oil

151k BBL

Cum Gas

338k MCF

casinghead

Wells

1

Production

2025-03 — 2026-04

Peak Month

2025-04

Production History

Cum Oil: 151,195 BBL Cum Gas: 338,214 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

40,066 BBL/mo

Di (annual)

774.1%

b-factor

0.7

EUR

190,397 BBL

R-squared

0.781

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 ANADARKO E&P ONSHORE LLC 17 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HANADARKO E&P ONSHORE LLC113,0002024-07-03