FOSTER E

Oil · District 08 · Lease #55255

Operator: OXYROCK OPERATING, LLC

Cum Oil

223k BBL

Cum Gas

702k MCF

casinghead

Wells

1

Production

2019-12 — 2026-03

Peak Month

2020-01

Production History

Cum Oil: 223,043 BBL Cum Gas: 701,697 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,433 BBL/mo

Di (annual)

357.6%

b-factor

1.2

EUR

399,807 BBL

R-squared

0.933

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 15 mo
2024-08 — 2025-04 OXYROCK OPERATING, LLC 9 mo
2019-12 — 2024-07 CROWNQUEST OPERATING, LLC 56 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HDCIVITAS PERMIAN OPERATING, LLC110,0002019-05-03