WINDHAM "D"

Oil // district 9 // lease#10653

op: PIONEER NATURAL RES. USA, INC.

cum_oil

102k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2010-03

-- production_history

cum_oil: 101,623 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,284 BBL/mo

Di (annual)

36.0%

b-factor

0.3

EUR

60,343 BBL

R-squared

0.788

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,0002009-11-13
1PARKER & PARSLEY, INC.19,2501984-02-03
EOF // multi-state drilling data platform // 2026