SAWYER 576

Oil // district 11 // lease#70617

op: WALSH PETROLEUM, INC.

fields: BRAHANEY

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

6

production

2017-08 — 2026-03

peak_month

2023-07

-- production_history

cum_oil: 1,156,737 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

17,511 BBL/mo

Di (annual)

20.6%

b-factor

2.0

EUR

3,721,216 BBL

R-squared

0.447

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HBURK ROYALTY CO., LTD.26,0002022-12-05
6HBURK ROYALTY CO., LTD.26,0002022-12-05
4HWALSH PETROLEUM, INC.15,5002018-09-19
3HWALSH PETROLEUM, INC.15,5002018-03-09
2HWALSH PETROLEUM, INC.15,5002017-04-03
1HWALSH PETROLEUM, INC.15,5002017-03-31
EOF // data source: Texas Railroad Commission // 2026