CURTIS "I"

Oil // district 10 // lease#33031

op: PIONEER NATURAL RES. USA, INC.

cum_oil

98k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2015-01

peak_month

2011-05

-- production_history

cum_oil: 97,711 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,111 BBL/mo

Di (annual)

64.6%

b-factor

0.2

EUR

48,934 BBL

R-squared

0.913

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.211,5342010-08-19
3PIONEER NATURAL RES. USA, INC.111,5002009-09-24
2PIONEER NATURAL RES. USA, INC.210,0002004-12-16
1PARKER & PARSLEY, LTD.19,7501990-12-21
EOF // multi-state drilling data platform // 2026