HARPER, J.C.

Oil · District 8A · Lease #67220

Operator: SPRINGFIELD OIL SERVICES, INC.

Cum Oil

5k BBL

Cum Gas

49 MCF

casinghead

Wells

1

Production

1994-03 — 1994-10

Peak Month

1994-04

Production History

Cum Oil: 5,020 BBL Cum Gas: 49 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2014-10 — 2017-06 SADDLE RIM ENERGY (TEXAS), LLC 33 mo
1995-04 — 2014-09 SPRINGFIELD OIL SERVICES, INC. 234 mo
1994-03 — 1995-03 CENTURY RESOURCES, INC. 13 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1301ASADDLE RIM ENERGY (TEXAS), LLC311,5002017-03-07