GRAEF C 16-17

Oil · District 10 · Lease #39870

Operator: SHELL WESTERN E&P

Cum Oil

10k BBL

Cum Gas

0 MCF

Wells

1

Production

2009-04 — 2020-07

Peak Month

2010-01

Production History

Cum Oil: 10,054 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

407 BBL/mo

Di (annual)

82.1%

b-factor

0.3

EUR

8,366 BBL

R-squared

0.640

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CHESAPEAKE OPERATING, INC.120,0002008-09-22
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