HEALD

Oil · District 10 · Lease #40419

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

41k BBL

Cum Gas

0 MCF

Wells

1

Production

2010-08 — 2026-03

Peak Month

2010-10

Production History

Cum Oil: 40,726 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

328 BBL/mo

Di (annual)

7.7%

b-factor

0.0

EUR

50,172 BBL

R-squared

0.337

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.211,0002008-09-15
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