THUNDERBIRD RC F 50-51

Oil // district 10 // lease#56604

op: PIONEER NATURAL RES. USA, INC.

cum_oil

230k BBL

cum_gas

0 MCF

wells

1

production

2021-05 — 2026-03

peak_month

2022-04

-- production_history

cum_oil: 229,513 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

20,175 BBL/mo

Di (annual)

261.7%

b-factor

1.0

EUR

451,982 BBL

R-squared

0.979

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4201HPIONEER NATURAL RES. USA, INC.210,3602021-02-12
EOF // data source: Texas Railroad Commission // 2026