HOLZGRAF 34

Oil · District 7C · Lease #15429

Operator: DISCOVERY OPERATING, INC.

Cum Oil

587k BBL

Cum Gas

958k MCF

casinghead

Wells

10

Production

2003-06 — 2026-04

Peak Month

2004-08

Production History

Cum Oil: 587,131 BBL Cum Gas: 957,700 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,627 BBL/mo

Di (annual)

26.4%

b-factor

0.7

EUR

633,763 BBL

R-squared

0.758

type

hyperbolic

Operator History (from monthly production reports)

2003-06 — 2026-07 DISCOVERY OPERATING, INC. 278 mo

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