VAN,SW LEWISVILLE UNIT

Oil · District 5 · Lease #1943

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

1.1M BBL

Cum Gas

0 MCF

Wells

68

Production

1993-01 — 2026-03

Peak Month

1994-12

Production History

Cum Oil: 1,058,074 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

7,617 BBL/mo

Di (annual)

12.5%

b-factor

0.3

EUR

953,034 BBL

R-squared

0.939

type

hyperbolic

Wells (68)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6803UNION OIL COMPANY OF CALIFORNIA12,9992004-01-09
4202UNION OIL COMPANY OF CALIFORNIA12,2002001-02-23
4405UNION OIL COMPANY OF CALIFORNIA12,4501997-04-21
4406UNION OIL COMPANY OF CALIFORNIA23,2161997-03-25
4201UNION OIL COMPANY OF CALIFORNIA13,0171995-10-11
4204UNION OIL COMPANY OF CALIFORNIA12,9771995-08-23
4211UNION OIL COMPANY OF CALIFORNIA13,2701994-10-13
4716UNION EXPL. PARTNERS, LTD.13,0111988-06-23
6809UNION OIL COMPANY OF CALIFORNIA13,5001981-03-06
6614UNION OIL COMPANY OF CALIFORNIA13,0001981-02-23
4407UNION OIL COMPANY OF CALIFORNIA13,0001979-11-21
6808UNION OIL COMPANY OF CALIFORNIA13,0001979-11-16
125142-467-00960--------
125242-467-00959--------
125342-467-00957--------
125442-467-00961--------
1255W42-467-00958--------
126142-467-00962--------
126442-467-00963--------
420642-467-00971--------
420742-467-00981--------
420842-467-30103--------
440142-467-00969--------
440242-467-00946--------
440342-467-00944--------
471242-467-01140--------
471742-467-00886--------
472042-467-30106--------
472142-467-30104--------
472242-467-30141--------
660142-467-00888--------
660242-467-00892--------
660342-467-00891--------
660442-467-00890--------
660642-467-00893--------
660742-467-00889--------
660842-467-00896--------
660942-467-00895--------
661042-467-00897--------
661142-467-00894--------
661242-467-30055--------
661342-467-30063--------
670142-467-00899--------
670442-467-00904--------
670742-467-00898--------
670842-467-30105--------
680142-467-00942--------
680242-467-00947--------
680442-467-00943--------
680542-467-00948--------
680642-467-01292--------
680742-467-30107--------
690142-467-00955--------
690242-467-00953--------
690342-467-00952--------
690442-467-00951--------
690542-467-00954--------
690642-467-00949--------
690742-467-00950--------
690842-467-00956--------
700142-467-00934--------
700242-467-00941--------
700342-467-00938--------
7004W42-467-00939--------
700542-467-00935--------
700742-467-01300--------
700842-467-00936--------
700942-467-00937--------
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