NOELKE "20"

Oil · District 7C · Lease #14608

Operator: MARATHON OIL COMPANY

Fields: OLSON

Cum Oil

506k BBL

Cum Gas

1k MCF

casinghead

Wells

5

Production

1997-07 — 2026-04

Peak Month

2010-12

Production History

Cum Oil: 505,845 BBL Cum Gas: 1,103 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,998 BBL/mo

Di (annual)

31.1%

b-factor

0.0

EUR

308,420 BBL

R-squared

0.496

type

exponential

Operator History (from monthly production reports)

2005-01 — 2026-07 ASPEN OPERATING COMPANY, L.L.C. 259 mo
2001-04 — 2004-12 HENRY PETROLEUM LP 45 mo
1999-12 — 2001-03 HENRY PETROLEUM CORP. 16 mo
1997-07 — 1999-11 MARATHON OIL COMPANY 29 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5ASPEN OPERATING COMPANY, L.L.C.12,9002009-10-09
4ASPEN OPERATING COMPANY, L.L.C.22,9002008-12-03
2ASPEN OPERATING COMPANY, L.L.C.22,8002007-12-19
2HASPEN OPERATING COMPANY, L.L.C.22,8002007-12-19
1ASPEN OPERATING COMPANY, L.L.C.12,8001997-04-29