ZIMMER, JOHN

Oil · District 2 · Lease #4505

Operator: PETRA OLEUM CORP.

Cum Oil

345k BBL

Cum Gas

0 MCF

Wells

8

Production

1993-01 — 2026-03

Peak Month

2008-03

Production History

Cum Oil: 345,224 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,660 BBL/mo

Di (annual)

43.1%

b-factor

1.1

EUR

250,625 BBL

R-squared

0.694

type

hyperbolic

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12PETRA OLEUM CORP.12,9002018-12-31
7PETRA OLEUM CORP.43,6002008-03-26
1PETRA OLEUM CORP.12,3602006-08-30
6PETRA OLEUM CORP.32,8002005-11-01
2PETRA OLEUM CORP.12,6572003-09-30
11HOWELL PETROLEUM CORPORATION15,0001984-05-24
342-469-01271--------
442-469-01272--------
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