WINDHAM "T"

Oil // district 9 // lease#3901

op: PIONEER NATURAL RES. USA, INC.

cum_oil

135k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

2003-08

-- production_history

cum_oil: 134,834 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,360 BBL/mo

Di (annual)

24.1%

b-factor

0.4

EUR

104,823 BBL

R-squared

0.808

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.19,2302003-02-24
5PIONEER NATURAL RES. USA, INC.29,2302003-02-24
3DCB OIL & GAS, INC.19,1001985-11-07
142-461-01174--------
242-461-01205--------
EOF // multi-state drilling data platform // 2026