THUNDERBIRD G 50-51

Oil // district 10 // lease#56619

op: PIONEER NATURAL RES. USA, INC.

cum_oil

345k BBL

cum_gas

0 MCF

wells

1

production

2022-01 — 2026-03

peak_month

2022-05

-- production_history

cum_oil: 345,497 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

11,735 BBL/mo

Di (annual)

47.4%

b-factor

0.0

EUR

297,200 BBL

R-squared

0.419

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4307HPIONEER NATURAL RES. USA, INC.210,3602021-02-04
EOF // data source: Texas Railroad Commission // 2026