STUMBERG ESTATE UNIT B

Oil · District 01 · Lease #18891

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

Cum Oil

329k BBL

Cum Gas

609k MCF

casinghead

Wells

1

Production

2016-10 — 2026-04

Peak Month

2017-03

Production History

Cum Oil: 328,554 BBL Cum Gas: 608,665 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,407 BBL/mo

Di (annual)

30.0%

b-factor

0.0

EUR

216,423 BBL

R-squared

0.341

type

exponential

Operator History (from monthly production reports)

2016-10 — 2026-07 MURPHY EXPL. & PROD. CO. - USA 118 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMURPHY EXPL. & PROD. CO. - USA113,0002016-02-18