Y-BAR 160H UNIT

Oil · District 01 · Lease #21601

Operator: CASTLEROCK EF OPERATING LLC

Cum Oil

207k BBL

Cum Gas

226k MCF

casinghead

Wells

1

Production

2024-09 — 2026-04

Peak Month

2024-10

Production History

Cum Oil: 206,518 BBL Cum Gas: 225,845 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

32,127 BBL/mo

Di (annual)

371.3%

b-factor

0.9

EUR

451,536 BBL

R-squared

0.991

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
160HCASTLEROCK EF OPERATING LLC210,0002024-09-25