CURTIS "K"

Oil // district 10 // lease#33078

op: PIONEER NATURAL RES. USA, INC.

cum_oil

295k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2015-01

peak_month

2013-05

-- production_history

cum_oil: 294,933 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,872 BBL/mo

Di (annual)

101.2%

b-factor

2.0

EUR

418,243 BBL

R-squared

0.566

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.112,3002012-02-21
7PIONEER NATURAL RES. USA, INC.112,3002012-02-21
6PIONEER NATURAL RES. USA, INC.111,6502010-09-29
8PIONEER NATURAL RES. USA, INC.110,1002005-07-14
4PARKER & PARSLEY DEVELOPMENT CO.19,7501991-03-18
2PARKER & PARSLEY, LTD.19,7751991-02-04
3PARKER & PARSLEY, LTD.19,7501991-01-30
1PARKER & PARSLEY, LTD.29,7501990-12-28
EOF // multi-state drilling data platform // 2026