STILT WEST F 18-20

Oil // district 10 // lease#56786

op: PIONEER NATURAL RES. USA, INC.

cum_oil

577k BBL

cum_gas

0 MCF

wells

2

production

2021-09 — 2026-03

peak_month

2022-06

-- production_history

cum_oil: 577,066 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

41,008 BBL/mo

Di (annual)

422.4%

b-factor

1.1

EUR

748,594 BBL

R-squared

0.857

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2806HPIONEER NATURAL RES. USA, INC.210,5532021-03-31
4206HPIONEER NATURAL RES. USA, INC.210,5532021-03-31
EOF // data source: Texas Railroad Commission // 2026