WALKING O C3-28

Oil · District 10 · Lease #46679

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

443k BBL

Cum Gas

0 MCF

Wells

2

Production

2015-06 — 2026-03

Peak Month

2015-08

Production History

Cum Oil: 443,262 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

9,912 BBL/mo

Di (annual)

37.9%

b-factor

0.4

EUR

502,684 BBL

R-squared

0.798

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HANADARKO E&P ONSHORE LLC113,0002015-06-25
4HANADARKO E&P ONSHORE LLC113,0002015-01-29
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