DEVON 21

Oil · District 9 · Lease #19051

Operator: PRESTONWOOD OPERATING LLC

Cum Oil

35k BBL

Cum Gas

0 MCF

Wells

4

Production

2015-03 — 2026-03

Peak Month

2018-11

Production History

Cum Oil: 35,361 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

434 BBL/mo

Di (annual)

6.6%

b-factor

0.0

EUR

76,087 BBL

R-squared

0.519

type

exponential

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BANNER OPERATING, LLC12,0002018-06-18
3BANNER OPERATING, LLC12,0002018-02-05
2BANNER OPERATING, LLC12,0002015-07-28
1BANNER OPERATING, LLC12,0002015-02-10
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