UNIVERSITY"58-7"

Oil // district 9 // lease#16498

op: PIONEER NATURAL RES. USA, INC.

cum_oil

280k BBL

cum_gas

0 MCF

wells

8

production

2008-01 — 2026-03

peak_month

2010-10

-- production_history

cum_oil: 280,108 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,393 BBL/mo

Di (annual)

26.7%

b-factor

0.0

EUR

241,963 BBL

R-squared

0.893

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8PIONEER NATURAL RES. USA, INC.110,8002010-12-20
10PIONEER NATURAL RES. USA, INC.110,7002010-11-30
6PIONEER NATURAL RES. USA, INC.111,0002010-03-04
4PIONEER NATURAL RES. USA, INC.110,5002008-10-30
5PIONEER NATURAL RES. USA, INC.210,5002008-10-30
3PIONEER NATURAL RES. USA, INC.110,5002008-05-08
2PIONEER NATURAL RES. USA, INC.110,5002007-12-17
1PIONEER NATURAL RES. USA, INC.110,3252007-10-16
EOF // multi-state drilling data platform // 2026