RICHARDS '44A'

Oil · District 10 · Lease #43864

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

36k BBL

Cum Gas

0 MCF

Wells

3

Production

2013-02 — 2026-03

Peak Month

2014-04

Production History

Cum Oil: 36,124 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,506 BBL/mo

Di (annual)

409.3%

b-factor

1.0

EUR

23,553 BBL

R-squared

0.776

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.111,4002013-10-02
2PIONEER NATURAL RES. USA, INC.112,3002013-05-28
1PIONEER NATURAL RES. USA, INC.112,1002012-10-04
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