Y-BAR UNIT C

Oil · District 01 · Lease #18268

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

Cum Oil

212k BBL

Cum Gas

191k MCF

casinghead

Wells

2

Production

2014-06 — 2026-04

Peak Month

2014-10

Production History

Cum Oil: 212,439 BBL Cum Gas: 190,572 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,040 BBL/mo

Di (annual)

150.6%

b-factor

0.4

EUR

185,528 BBL

R-squared

0.932

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCASTLEROCK EF OPERATING LLC210,0002014-05-27
2HCASTLEROCK EF OPERATING LLC210,0002014-05-27