CURTIS "J"

Oil // district 10 // lease#33080

op: PIONEER NATURAL RES. USA, INC.

cum_oil

143k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2015-01

peak_month

2011-04

-- production_history

cum_oil: 143,464 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,856 BBL/mo

Di (annual)

151.5%

b-factor

1.0

EUR

167,006 BBL

R-squared

0.924

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.211,5002013-10-11
3PIONEER NATURAL RES. USA, INC.111,5002010-04-01
2PIONEER NATURAL RES. USA, INC.210,1002004-12-16
1PARKER & PARSLEY, LTD.29,7501991-01-08
EOF // multi-state drilling data platform // 2026