BRADFORD "D"

Oil // district 10 // lease#34451

op: PIONEER NATURAL RES. USA, INC.

cum_oil

345k BBL

cum_gas

0 MCF

wells

6

production

1995-04 — 2026-03

peak_month

2012-06

-- production_history

cum_oil: 344,788 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,312 BBL/mo

Di (annual)

28.2%

b-factor

0.2

EUR

122,341 BBL

R-squared

0.577

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.111,3452011-11-23
7PIONEER NATURAL RES. USA, INC.111,3452011-11-01
4PARKER & PARSLEY DEVELOPMENT L.P19,2501997-03-11
3PARKER & PARSLEY DEVELOPMENT L.P19,2001996-06-27
1PARKER & PARSLEY DEVELOPMENT L.P29,4501996-01-16
2PARKER & PARSLEY DEVELOPMENT L.P29,4501996-01-16
EOF // data source: Texas Railroad Commission // 2026