UNIVERSITY

Oil · District 7C · Lease #12586

Operator: MARATHON OIL COMPANY

Cum Oil

505k BBL

Cum Gas

3.0M MCF

casinghead

Wells

9

Production

1993-01 — 2024-04

Peak Month

1993-10

Production History

Cum Oil: 504,910 BBL Cum Gas: 3,046,295 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,860 BBL/mo

Di (annual)

52.6%

b-factor

1.2

EUR

436,513 BBL

R-squared

0.455

type

hyperbolic

Operator History (from monthly production reports)

2009-06 — 2025-03 APACHE CORPORATION 190 mo
1993-01 — 2009-05 MARATHON OIL COMPANY 197 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
212APACHE CORPORATION38,9001998-01-05
12CAPACHE CORPORATION18,5751990-05-04
18CAPACHE CORPORATION18,3011990-05-04
7CAPACHE CORPORATION18,8251990-05-04
15CAPACHE CORPORATION18,6091990-05-03
17CAPACHE CORPORATION18,2691990-05-03
10CAPACHE CORPORATION18,5501990-05-02
204APACHE CORPORATION19,5001988-09-21
205APACHE CORPORATION19,5001988-09-21