Y-BAR WEST

Oil · District 01 · Lease #18302

Operator: MURPHY EXPL. & PROD. CO. - USA

Cum Oil

198k BBL

Cum Gas

207k MCF

casinghead

Wells

1

Production

2014-06 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 197,559 BBL Cum Gas: 206,952 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,218 BBL/mo

Di (annual)

676.3%

b-factor

1.4

EUR

154,528 BBL

R-squared

0.441

type

hyperbolic

Operator History (from monthly production reports)

2022-08 — 2026-07 CASTLEROCK EF OPERATING LLC 48 mo
2014-06 — 2022-07 MURPHY EXPL. & PROD. CO. - USA 98 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCASTLEROCK EF OPERATING LLC110,0002014-03-24