UNIVERSITY -P-

Oil · District 7C · Lease #462

Operator: MARATHON OIL COMPANY

Cum Oil

116k BBL

Cum Gas

345k MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

1993-09

Production History

Cum Oil: 115,818 BBL Cum Gas: 344,999 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

670 BBL/mo

Di (annual)

7.1%

b-factor

0.0

EUR

110,171 BBL

R-squared

0.742

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 (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7EXTEX OPERATING COMPANY12,7501987-07-16
8EXTEX OPERATING COMPANY12,7501987-07-16
5EXTEX OPERATING COMPANY12,7501987-05-28
6EXTEX OPERATING COMPANY12,7501987-05-28
142-105-02324EXTEX OPERATING COMPANY------
242-105-02333EXTEX OPERATING COMPANY------
342-105-02343EXTEX OPERATING COMPANY------
442-105-02352EXTEX OPERATING COMPANY------