BARBER, J.DELL SR. TRUSTEE

Oil · District 08 · Lease #26143

Operator: QMAX CO., AN ARIZONA CORPORATION

Fields: COLEMAN RANCH

Cum Oil

181k BBL

Cum Gas

19 MCF

casinghead

Wells

10

Production

1993-01 — 2026-04

Peak Month

1997-12

Production History

Cum Oil: 181,212 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

902 BBL/mo

Di (annual)

19.1%

b-factor

1.6

EUR

174,401 BBL

R-squared

0.726

type

hyperbolic

Operator History (from monthly production reports)

2023-01 — 2026-07 CEDAR BEND OIL COMPANY 43 mo
2008-01 — 2022-12 NEFF, MICKEY OIL COMPANY INC. 180 mo
1993-01 — 2007-12 QMAX CO., AN ARIZONA CORPORATION 180 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ACEDAR BEND OIL COMPANY13,3501989-11-06
8CEDAR BEND OIL COMPANY23,5001984-06-04
7CEDAR BEND OIL COMPANY13,5001981-08-24
9CEDAR BEND OIL COMPANY13,5001981-08-24
5CEDAR BEND OIL COMPANY13,5001981-07-07
6CEDAR BEND OIL COMPANY13,5001981-07-07
3CEDAR BEND OIL COMPANY13,5001981-01-23
4CEDAR BEND OIL COMPANY13,5001981-01-23
2CEDAR BEND OIL COMPANY13,5001980-06-30
1CEDAR BEND OIL COMPANY13,5001980-05-02