UNIVERSITY

Oil · District 7C · Lease #4420

Operator: MARATHON OIL COMPANY

Cum Oil

112k BBL

Cum Gas

196k MCF

casinghead

Wells

7

Production

1993-01 — 2010-11

Peak Month

1998-08

Production History

Cum Oil: 112,189 BBL Cum Gas: 196,231 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

591 BBL/mo

Di (annual)

29.1%

b-factor

0.0

EUR

24,292 BBL

R-squared

0.364

type

exponential

Operator History (from monthly production reports)

2009-06 — 2024-11 APACHE CORPORATION 186 mo
1993-01 — 2009-05 MARATHON OIL COMPANY 197 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
195APACHE CORPORATION27,0002011-05-04
199APACHE CORPORATION27,1002009-09-25
4APACHE CORPORATION29,3122004-09-09
198APACHE CORPORATION27,1001989-11-09
200APACHE CORPORATION29,5001988-07-05
197APACHE CORPORATION17,1001987-08-17
2 C42-383-00377APACHE CORPORATION------