HOLZGRAF 34

Oil · District 9 · Lease #15429

Operator: DISCOVERY OPERATING, INC.

Cum Oil

585k BBL

Cum Gas

0 MCF

Wells

10

Production

2003-06 — 2026-03

Peak Month

2004-08

Production History

Cum Oil: 584,557 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

6,556 BBL/mo

Di (annual)

26.0%

b-factor

0.7

EUR

633,469 BBL

R-squared

0.756

type

hyperbolic

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10DISCOVERY OPERATING, INC.110,6002013-10-07
9DISCOVERY OPERATING, INC.110,6002010-11-01
8DISCOVERY OPERATING, INC.110,6002004-07-02
7DISCOVERY OPERATING, INC.210,6002004-04-21
6DISCOVERY OPERATING, INC.110,6002004-04-05
5DISCOVERY OPERATING, INC.110,6002004-01-13
3DISCOVERY OPERATING, INC.110,6002003-11-14
4DISCOVERY OPERATING, INC.110,6002003-11-14
1DISCOVERY OPERATING, INC.110,6002003-09-09
2DISCOVERY OPERATING, INC.110,6002003-04-16
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