STILT EAST I 18-20

Oil // district 10 // lease#56803

op: PIONEER NATURAL RES. USA, INC.

cum_oil

592k BBL

cum_gas

0 MCF

wells

2

production

2021-09 — 2026-03

peak_month

2022-05

-- production_history

cum_oil: 592,482 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

60,119 BBL/mo

Di (annual)

238.9%

b-factor

0.4

EUR

502,764 BBL

R-squared

0.976

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2809HPIONEER NATURAL RES. USA, INC.110,5532021-08-02
4209HPIONEER NATURAL RES. USA, INC.210,5532021-04-01
EOF // data source: Texas Railroad Commission // 2026