CRX YBAR E

Oil · District 01 · Lease #21296

Operator: CASTLEROCK EF OPERATING LLC

Cum Oil

173k BBL

Cum Gas

194k MCF

casinghead

Wells

1

Production

2023-12 — 2026-04

Peak Month

2024-01

Production History

Cum Oil: 172,918 BBL Cum Gas: 194,130 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,472 BBL/mo

Di (annual)

510.2%

b-factor

1.0

EUR

320,063 BBL

R-squared

0.995

type

hyperbolic

Operator History (from monthly production reports)

2023-12 — 2026-07 CASTLEROCK EF OPERATING LLC 32 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HCASTLEROCK EF OPERATING LLC114,0002023-09-01