SHANNON ESTATE

Oil · District 7C · Lease #1138

Operator: TRACY PRODUCTION

Fields: OLSON

Cum Oil

1.3M BBL

Cum Gas

25 MCF

casinghead

Wells

50

Production

1993-01 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 1,324,868 BBL Cum Gas: 25 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,204 BBL/mo

Di (annual)

18.1%

b-factor

2.0

EUR

3,617,578 BBL

R-squared

0.788

type

hyperbolic

Operator History (from monthly production reports)

2008-01 — 2026-07 ASPEN OPERATING COMPANY, L.L.C. 223 mo
1999-02 — 2007-12 TRACY PRODUCTION 107 mo
1994-10 — 1999-01 GRESHAM OIL & GAS (USA) INC. 52 mo
1993-10 — 1994-09 LAS ANIMAS PRODUCTION COMPANY 12 mo
1993-01 — 1993-09 GRASHA, MATTHEW P. 9 mo

Wells (50)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
M 35ASPEN OPERATING COMPANY, L.L.C.12,1762024-07-18
033ASPEN OPERATING COMPANY, L.L.C.42,9002022-11-03
O 33HAASPEN OPERATING COMPANY, L.L.C.42,9002022-11-03
15ASPEN OPERATING COMPANY, L.L.C.32,9002022-07-18
15HAASPEN OPERATING COMPANY, L.L.C.32,9002022-07-18
M121HAASPEN OPERATING COMPANY, L.L.C.12,1232021-06-15
M120ASPEN OPERATING COMPANY, L.L.C.52,6002019-03-07
M120HCASPEN OPERATING COMPANY, L.L.C.52,6002019-03-07
028ASPEN OPERATING COMPANY, L.L.C.22,5002018-08-21
O 28HAASPEN OPERATING COMPANY, L.L.C.22,5002018-08-21
032ASPEN OPERATING COMPANY, L.L.C.22,9002018-08-15
O 32HAASPEN OPERATING COMPANY, L.L.C.22,9002018-08-15
M118HASPEN OPERATING COMPANY, L.L.C.42,3002018-07-05
013ASPEN OPERATING COMPANY, L.L.C.12,1422014-11-12
M 18ASPEN OPERATING COMPANY, L.L.C.12,0702014-09-15
M 17ASPEN OPERATING COMPANY, L.L.C.12,0722014-09-04
W 7ASPEN OPERATING COMPANY, L.L.C.12,0722014-09-04
034ASPEN OPERATING COMPANY, L.L.C.13,0002011-04-15
035ASPEN OPERATING COMPANY, L.L.C.22,9002011-04-15
20ASPEN OPERATING COMPANY, L.L.C.12,9002011-02-17
O 15ASPEN OPERATING COMPANY, L.L.C.12,2482010-08-17
3ASPEN OPERATING COMPANY, L.L.C.12,6002008-04-17
012ASPEN OPERATING COMPANY, L.L.C.12,7002006-04-06
01ASPEN OPERATING COMPANY, L.L.C.12,6002000-12-19
024ASPEN OPERATING COMPANY, L.L.C.37,1001998-01-30
M216RASPEN OPERATING COMPANY, L.L.C.22,6001994-06-20
M212RASPEN OPERATING COMPANY, L.L.C.12,6001991-05-20
030ASPEN OPERATING COMPANY, L.L.C.12,5001989-10-27
018ASPEN OPERATING COMPANY, L.L.C.12,6701988-07-20
029ASPEN OPERATING COMPANY, L.L.C.12,5001988-04-20
027ASPEN OPERATING COMPANY, L.L.C.12,5001987-10-15
026ASPEN OPERATING COMPANY, L.L.C.12,5001987-10-14
025ASPEN OPERATING COMPANY, L.L.C.12,7001983-12-15
W 6ASPEN OPERATING COMPANY, L.L.C.22,5001983-11-04
16ASPEN OPERATING COMPANY, L.L.C.17,6001980-05-12
01042-105-03557ASPEN OPERATING COMPANY, L.L.C.------
01642-105-02304ASPEN OPERATING COMPANY, L.L.C.------
1042-105-03002ASPEN OPERATING COMPANY, L.L.C.------
1242-105-03006ASPEN OPERATING COMPANY, L.L.C.------
1342-105-03008ASPEN OPERATING COMPANY, L.L.C.------
242-105-02985ASPEN OPERATING COMPANY, L.L.C.------
442-105-02990ASPEN OPERATING COMPANY, L.L.C.------
6W42-105-02994ASPEN OPERATING COMPANY, L.L.C.------
742-105-02996ASPEN OPERATING COMPANY, L.L.C.------
7W42-105-02996ASPEN OPERATING COMPANY, L.L.C.------
942-105-03000ASPEN OPERATING COMPANY, L.L.C.------
W 142-105-01229ASPEN OPERATING COMPANY, L.L.C.------
W 242-105-01230ASPEN OPERATING COMPANY, L.L.C.------
W 342-105-01231ASPEN OPERATING COMPANY, L.L.C.------
W 442-105-01232ASPEN OPERATING COMPANY, L.L.C.------