MUSTANG WEST D 8-27

Oil // district 9 // lease#21406

op: PIONEER NATURAL RES. USA, INC.

cum_oil

373k BBL

cum_gas

0 MCF

wells

1

production

2021-09 — 2026-03

peak_month

2021-10

-- production_history

cum_oil: 372,935 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

13,704 BBL/mo

Di (annual)

51.6%

b-factor

0.1

EUR

354,333 BBL

R-squared

0.632

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4304HDE3 OPERATING LLC19,7102021-03-02
EOF // data source: Texas Railroad Commission // 2026