UNIVERSITY -M-

Oil · District 7C · Lease #9749

Operator: MARATHON OIL COMPANY

Cum Oil

194k BBL

Cum Gas

668k MCF

casinghead

Wells

15

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 194,184 BBL Cum Gas: 667,830 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,218 BBL/mo

Di (annual)

7.5%

b-factor

0.0

EUR

190,493 BBL

R-squared

0.825

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2006-04 — 2021-01 LEGACY RESERVES OPERATING LP 178 mo
1999-11 — 2006-03 BROTHERS PRODUCTION COMPANY INC. 77 mo
1993-01 — 1999-10 MARATHON OIL COMPANY 82 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15EXTEX OPERATING COMPANY12,7501985-11-01
16EXTEX OPERATING COMPANY12,7501985-11-01
11EXTEX OPERATING COMPANY12,7001985-07-12
12EXTEX OPERATING COMPANY12,7001985-07-12
13EXTEX OPERATING COMPANY12,7001985-07-12
14EXTEX OPERATING COMPANY12,7001985-07-12
10EXTEX OPERATING COMPANY12,7001984-10-22
9EXTEX OPERATING COMPANY12,7001982-10-25
8EXTEX OPERATING COMPANY12,7001981-10-14
142-105-02322EXTEX OPERATING COMPANY------
242-105-02331EXTEX OPERATING COMPANY------
442-105-02350EXTEX OPERATING COMPANY------
542-105-02359EXTEX OPERATING COMPANY------
642-105-02361EXTEX OPERATING COMPANY------
742-105-02362EXTEX OPERATING COMPANY------