CHAPPLE, H.

Oil · District 8A · Lease #16597

Operator: WALSH PETROLEUM, INC.

Fields: BRAHANEY

Cum Oil

75k BBL

Cum Gas

191k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2024-05

Production History

Cum Oil: 75,469 BBL Cum Gas: 191,076 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

912 BBL/mo

Di (annual)

16.2%

b-factor

0.0

EUR

67,298 BBL

R-squared

0.447

type

exponential

Operator History (from monthly production reports)

2021-10 — 2026-07 BURK ROYALTY CO., LTD. 58 mo
2005-09 — 2021-09 WALSH PETROLEUM, INC. 193 mo
1999-08 — 2005-08 RHONDA OPERATING COMPANY 73 mo
1993-01 — 1999-07 LANKFORD OIL CO. 79 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BURK ROYALTY CO., LTD.15,5002012-05-05
3BURK ROYALTY CO., LTD.15,5002011-05-27
142-501-01527BURK ROYALTY CO., LTD.------