MADISON-CALLAWAY 27D

Oil // district 10 // lease#62221

op: PIONEER NATURAL RES. USA, INC.

cum_oil

234k BBL

cum_gas

0 MCF

wells

1

production

2024-09 — 2026-03

peak_month

2025-04

-- production_history

cum_oil: 234,206 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

48,320 BBL/mo

Di (annual)

225.6%

b-factor

0.0

EUR

257,724 BBL

R-squared

0.983

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HPIONEER NATURAL RES. USA, INC.110,6302024-06-07
EOF // data source: Texas Railroad Commission // 2026