XB COX 20 "A"

Oil · District 9 · Lease #17133

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

117k BBL

Cum Gas

0 MCF

Wells

2

Production

2010-04 — 2026-03

Peak Month

2014-03

Production History

Cum Oil: 117,401 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,091 BBL/mo

Di (annual)

19.8%

b-factor

0.0

EUR

66,079 BBL

R-squared

0.448

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PARSLEY ENERGY OPERATIONS, LLC213,0002013-03-13
1PARSLEY ENERGY OPERATIONS, LLC111,0002009-12-29
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