< leases

NELSON

Oil · District 8A · Lease #65774

Operator: WALSH PETROLEUM, INC.

Fields: BRAHANEY

Cum Oil

171k BBL

Cum Gas

31k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2012-07

Production History

Cum Oil: 171,054 BBL Cum Gas: 31,301 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

880 BBL/mo

Di (annual)

8.0%

b-factor

0.1

EUR

139,894 BBL

R-squared

0.626

type

hyperbolic

Operator History (from monthly production reports)

2021-10 — 2026-07 BURK ROYALTY CO., LTD. 58 mo
2008-05 — 2021-09 WALSH PETROLEUM, INC. 161 mo
1996-07 — 2008-04 SOUTHWESTERN ENERGY PROD. CO. 142 mo
1993-01 — 1996-06 SIMMONS, L.B. ENERGY, INC. 42 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-501-35830BURK ROYALTY CO., LTD.25,4002011-08-02
242-501-35574BURK ROYALTY CO., LTD.15,4002008-11-05
142-501-10627BURK ROYALTY CO., LTD.211,2321986-04-11