RICHARDS 41

Oil · District 10 · Lease #39102

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

25k BBL

Cum Gas

0 MCF

Wells

2

Production

2007-04 — 2026-03

Peak Month

2007-09

Production History

Cum Oil: 25,217 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

574 BBL/mo

Di (annual)

88.2%

b-factor

0.7

EUR

20,145 BBL

R-squared

0.722

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.211,0002006-11-29
1PIONEER NATURAL RES. USA, INC.210,5002006-09-21
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