ST MARIA 40-45

Oil // district 10 // lease#56700

op: HIGHPEAK ENERGY HOLDINGS, LLC

cum_oil

258k BBL

cum_gas

0 MCF

wells

2

production

2021-11 — 2026-03

peak_month

2022-01

-- production_history

cum_oil: 258,163 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

25,312 BBL/mo

Di (annual)

379.0%

b-factor

0.9

EUR

349,638 BBL

R-squared

0.981

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HDHANNATHON PETROLEUM, LLC110,0002021-04-09
4HDHANNATHON PETROLEUM, LLC110,0002021-04-09
EOF // data source: Texas Railroad Commission // 2026