Y-BAR 170H UNIT

Oil · District 01 · Lease #21596

Operator: CASTLEROCK EF OPERATING LLC

Cum Oil

228k BBL

Cum Gas

195k MCF

casinghead

Wells

1

Production

2024-09 — 2026-04

Peak Month

2024-10

Production History

Cum Oil: 227,709 BBL Cum Gas: 195,425 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

32,114 BBL/mo

Di (annual)

392.8%

b-factor

1.0

EUR

519,407 BBL

R-squared

0.984

type

hyperbolic

Operator History (from monthly production reports)

2024-09 — 2026-07 CASTLEROCK EF OPERATING LLC 23 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
170HCASTLEROCK EF OPERATING LLC210,0002024-03-20