SCHARBAUER

Oil // district 10 // lease#29540

op: PIONEER NATURAL RES. USA, INC.

cum_oil

34k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2017-07

-- production_history

cum_oil: 34,331 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

417 BBL/mo

Di (annual)

471.0%

b-factor

0.0

EUR

1,073 BBL

R-squared

0.606

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
138HCW EXPLORATION, INC.213,5001985-02-22
438HCW EXPLORATION, INC.110,2021984-10-30
EOF // data source: Texas Railroad Commission // 2026