PATTERSON 5-8

Oil // district 10 // lease#50513

op: PIONEER NATURAL RES. USA, INC.

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

3

production

2017-12 — 2026-03

peak_month

2018-01

-- production_history

cum_oil: 1,188,711 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

49,393 BBL/mo

Di (annual)

344.7%

b-factor

1.4

EUR

1,634,681 BBL

R-squared

0.710

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2801HPARSLEY ENERGY OPERATIONS, LLC28,5002017-04-26
4201HPARSLEY ENERGY OPERATIONS, LLC29,0002017-04-26
4301HPARSLEY ENERGY OPERATIONS, LLC29,5002017-04-26
EOF // data source: Texas Railroad Commission // 2026