MADISON-CALLAWAY 27I

Oil // district 10 // lease#62218

op: PIONEER NATURAL RES. USA, INC.

cum_oil

132k BBL

cum_gas

0 MCF

wells

1

production

2024-09 — 2026-03

peak_month

2025-05

-- production_history

cum_oil: 132,067 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

26,851 BBL/mo

Di (annual)

271.4%

b-factor

0.0

EUR

119,225 BBL

R-squared

0.943

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.110,6302024-05-20
EOF // data source: Texas Railroad Commission // 2026