PARKS "25"

Oil · District 10 · Lease #38494

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

335k BBL

Cum Gas

0 MCF

Wells

8

Production

2007-10 — 2026-03

Peak Month

2012-01

Production History

Cum Oil: 335,256 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,738 BBL/mo

Di (annual)

16.8%

b-factor

0.6

EUR

340,890 BBL

R-squared

0.558

type

hyperbolic

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.111,8722011-09-27
13PIONEER NATURAL RES. USA, INC.110,8502011-01-27
12PIONEER NATURAL RES. USA, INC.110,9002010-12-09
15PIONEER NATURAL RES. USA, INC.110,9002010-12-09
1PIONEER NATURAL RES. USA, INC.111,0002007-04-14
4PIONEER NATURAL RES. USA, INC.111,0002007-04-14
7PIONEER NATURAL RES. USA, INC.111,0002007-04-14
6PIONEER NATURAL RES. USA, INC.111,0002007-04-11
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