HARPER, J.C.

Oil · District 11 · Lease #67220

Operator: SPRINGFIELD OIL SERVICES, INC.

Cum Oil

5k BBL

Cum Gas

0 MCF

Wells

1

Production

1994-03 — 2017-06

Peak Month

1994-04

Production History

Cum Oil: 5,020 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,483 BBL/mo

Di (annual)

642.1%

b-factor

0.0

EUR

2,835 BBL

R-squared

0.997

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1301ASPRINGFIELD OIL SERVICES INC.311,5002017-03-07
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