HERBST UNIT B

Oil · District 01 · Lease #16118

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

Cum Oil

161k BBL

Cum Gas

198k MCF

casinghead

Wells

1

Production

2012-07 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 160,844 BBL Cum Gas: 198,292 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,917 BBL/mo

Di (annual)

66.9%

b-factor

0.4

EUR

173,711 BBL

R-squared

0.896

type

hyperbolic

Operator History (from monthly production reports)

2012-07 — 2026-07 MURPHY EXPL. & PROD. CO. - USA 169 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMURPHY EXPL. & PROD. CO. - USA19,8002012-04-20