DOLLARHIDE UNIT

Oil · District 10 · Lease #13870

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

2.0M BBL

Cum Gas

0 MCF

Wells

18

Production

1993-01 — 2026-03

Peak Month

2008-03

Production History

Cum Oil: 1,962,678 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

10,218 BBL/mo

Di (annual)

24.9%

b-factor

0.7

EUR

1,023,010 BBL

R-squared

0.905

type

hyperbolic

Wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2520ECHEVRON MIDCONTINENT, L.P.110,0892014-08-05
4015EPURE RESOURCES, L.P.310,0972002-12-18
4013EPURE RESOURCES, L.P.112,0002001-07-20
1831EPURE RESOURCES, L.P.18,7002001-06-21
2623EUNION OIL COMPANY OF CALIFORNIA12,9501999-01-14
4019EUNION OIL COMPANY OF CALIFORNIA110,0361990-10-31
2516EUNION OIL COMPANY OF CALIFORNIA19,9001988-09-21
1719E42-003-04954--------
2403E42-003-30110--------
2517E42-003-04953--------
2536E42-003-04962--------
2541E42-003-04850--------
2624E42-003-04957--------
3834E42-003-30087--------
3913E42-003-02659--------
399E42-003-02655--------
411E42-003-03598--------
424E42-003-04112--------
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