STUMBERG ESTATE UNIT A

Oil · District 01 · Lease #18892

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

Cum Oil

682k BBL

Cum Gas

1.4M MCF

casinghead

Wells

3

Production

2016-10 — 2026-04

Peak Month

2024-08

Production History

Cum Oil: 682,109 BBL Cum Gas: 1,394,490 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

64,981 BBL/mo

Di (annual)

496.4%

b-factor

0.7

EUR

468,537 BBL

R-squared

0.983

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMURPHY EXPL. & PROD. CO. - USA19,0002023-11-03
2HMURPHY EXPL. & PROD. CO. - USA19,0002023-10-27
1HMURPHY EXPL. & PROD. CO. - USA113,0002016-02-18