THELMA NELSON

Oil · District 8A · Lease #70609

Operator: WALSH PETROLEUM, INC.

Fields: BRAHANEY

Cum Oil

450k BBL

Cum Gas

958k MCF

casinghead

Wells

2

Production

2017-08 — 2026-04

Peak Month

2026-04

Production History

Cum Oil: 450,400 BBL Cum Gas: 957,840 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,661 BBL/mo

Di (annual)

15.7%

b-factor

0.4

EUR

634,112 BBL

R-squared

0.486

type

hyperbolic

Operator History (from monthly production reports)

2021-10 — 2026-07 BURK ROYALTY CO., LTD. 58 mo
2017-08 — 2021-09 WALSH PETROLEUM, INC. 50 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HBURK ROYALTY CO., LTD.15,5002019-03-28
4HBURK ROYALTY CO., LTD.15,5002017-02-03