CURTIS "H"

Oil // district 10 // lease#33076

op: PIONEER NATURAL RES. USA, INC.

cum_oil

197k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2015-01

peak_month

2013-04

-- production_history

cum_oil: 196,889 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,475 BBL/mo

Di (annual)

52.1%

b-factor

0.1

EUR

63,239 BBL

R-squared

0.582

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.112,4002012-02-21
4PIONEER NATURAL RES. USA, INC.111,6502010-10-07
3PIONEER NATURAL RES. USA, INC.110,0502006-02-24
2PARKER & PARSLEY, LTD.19,7501991-02-26
1PARKER & PARSLEY, LTD.29,7501990-12-28
EOF // multi-state drilling data platform // 2026