RANGEL UNIT A ZAV

Oil · District 1 · Lease #15570

Operator: EXCO OPERATING COMPANY, LP

Cum Oil

121k BBL

Cum Gas

0 MCF

Wells

1

Production

2011-06 — 2026-03

Peak Month

2011-12

Production History

Cum Oil: 120,820 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,213 BBL/mo

Di (annual)

12.0%

b-factor

0.0

EUR

121,141 BBL

R-squared

0.340

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCHESAPEAKE OPERATING, INC.19,0002011-05-18
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