HARPER, J.C.

Oil // district 11 // lease#67220

op: 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
EOF // multi-state drilling data platform // 2026