SAWYER 576

Oil · District 8A · Lease #70617

Operator: WALSH PETROLEUM, INC.

Fields: BRAHANEY

Cum Oil

1.2M BBL

Cum Gas

2.5M MCF

casinghead

Wells

6

Production

2017-08 — 2026-04

Peak Month

2025-07

Production History

Cum Oil: 1,209,505 BBL Cum Gas: 2,487,265 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,055 BBL/mo

Di (annual)

16.5%

b-factor

2.0

EUR

3,951,648 BBL

R-squared

0.423

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 (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HBURK ROYALTY CO., LTD.26,0002022-12-05
6HBURK ROYALTY CO., LTD.26,0002022-12-05
4HBURK ROYALTY CO., LTD.15,5002018-09-19
3HBURK ROYALTY CO., LTD.15,5002018-03-09
2HBURK ROYALTY CO., LTD.15,5002017-04-03
1HBURK ROYALTY CO., LTD.15,5002017-03-31