WR CHINKAPIN OAK UNIT

Oil · District 08 · Lease #48546

Operator: OXYROCK OPERATING, LLC

Cum Oil

534k BBL

Cum Gas

2.4M MCF

casinghead

Wells

2

Production

2017-03 — 2026-04

Peak Month

2018-07

Production History

Cum Oil: 533,806 BBL Cum Gas: 2,444,328 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,691 BBL/mo

Di (annual)

20.6%

b-factor

0.0

EUR

447,248 BBL

R-squared

0.370

type

exponential

Operator History (from monthly production reports)

2024-08 — 2026-07 OXYROCK OPERATING, LLC 24 mo
2017-03 — 2024-07 CROWNQUEST OPERATING, LLC 89 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15JMOXYROCK OPERATING, LLC17,4002022-02-24
8AAOXYROCK OPERATING, LLC28,8302022-02-10