CRX YBAR C

Oil · District 01 · Lease #21055

Operator: CASTLEROCK EF OPERATING LLC

Cum Oil

326k BBL

Cum Gas

347k MCF

casinghead

Wells

1

Production

2022-10 — 2026-04

Peak Month

2023-04

Production History

Cum Oil: 326,217 BBL Cum Gas: 347,099 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,386 BBL/mo

Di (annual)

82.9%

b-factor

0.3

EUR

358,824 BBL

R-squared

0.754

type

hyperbolic

Operator History (from monthly production reports)

2022-10 — 2026-07 CASTLEROCK EF OPERATING LLC 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HCASTLEROCK EF OPERATING LLC214,0002022-08-23