HOLZGRAF 22

Oil · District 08 · Lease #37005

Operator: DISCOVERY OPERATING, INC.

Cum Oil

563k BBL

Cum Gas

1.2M MCF

casinghead

Wells

10

Production

2003-02 — 2026-04

Peak Month

2004-07

Production History

Cum Oil: 563,279 BBL Cum Gas: 1,185,289 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,408 BBL/mo

Di (annual)

59.8%

b-factor

1.1

EUR

636,809 BBL

R-squared

0.873

type

hyperbolic

Operator History (from monthly production reports)

2003-02 — 2026-07 DISCOVERY OPERATING, INC. 282 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9DISCOVERY OPERATING, INC.110,6002010-02-24
7RDISCOVERY OPERATING, INC.110,6002004-12-03
8DISCOVERY OPERATING, INC.110,6002004-07-27
7DISCOVERY OPERATING, INC.110,6002004-05-11
6DISCOVERY OPERATING, INC.110,6002004-01-08
5DISCOVERY OPERATING, INC.110,6002003-10-29
2DISCOVERY OPERATING, INC.110,6002003-02-14
3DISCOVERY OPERATING, INC.110,6002003-02-14
4DISCOVERY OPERATING, INC.110,6002003-02-14
1DISCOVERY OPERATING, INC.110,6002002-10-31