PINTAIL WEST D 31-30

Oil // district 10 // lease#55761

op: PIONEER NATURAL RES. USA, INC.

cum_oil

830k BBL

cum_gas

0 MCF

wells

3

production

2021-04 — 2026-03

peak_month

2021-08

-- production_history

cum_oil: 830,326 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

110,742 BBL/mo

Di (annual)

272.9%

b-factor

0.4

EUR

811,863 BBL

R-squared

0.953

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2804HDE3 OPERATING LLC110,0002020-12-15
4204HDE3 OPERATING LLC110,0002020-12-15
4304HDE3 OPERATING LLC110,0002020-12-15
EOF // data source: Texas Railroad Commission // 2026