FOSTER '73'

Oil · District 08 · Lease #37011

Operator: RELENTLESS PERMIAN OPERATING LLC

Cum Oil

134k BBL

Cum Gas

28k MCF

casinghead

Wells

2

Production

2003-01 — 2026-04

Peak Month

2003-08

Production History

Cum Oil: 133,900 BBL Cum Gas: 27,844 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,305 BBL/mo

Di (annual)

141.5%

b-factor

1.4

EUR

133,354 BBL

R-squared

0.671

type

hyperbolic

Operator History (from monthly production reports)

2024-05 — 2026-07 KEK EXPLORATION LLC 27 mo
2023-01 — 2024-04 NEW HEIGHT ENERGY, LLC 16 mo
2018-01 — 2022-12 RELENTLESS PERMIAN OPERATING LLC 60 mo
2012-03 — 2017-12 PPC OPERATING COMPANY LLC 70 mo
2003-01 — 2012-02 BRIGHT & CO. 110 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1KEK EXPLORATION LLC28,3002002-09-25
1 TKEK EXPLORATION LLC28,3002002-09-25