BAD BRAINS STATE UNIT 272-280W

Oil // district 10 // lease#55819

op: PRIMEXX OPERATING CORPORATION

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

4

production

2021-01 — 2026-03

peak_month

2023-08

-- production_history

cum_oil: 1,171,196 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

64,805 BBL/mo

Di (annual)

87.0%

b-factor

0.0

EUR

893,975 BBL

R-squared

0.936

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17HCALLON PETROLEUM OPERATING CO211,7502022-09-15
1UACALLON PETROLEUM OPERATING CO311,7502022-09-15
9BSCALLON PETROLEUM OPERATING CO311,7502022-09-15
1HPRIMEXX OPERATING CORPORATION313,0002020-10-22
EOF // data source: Texas Railroad Commission // 2026