SHANNON ESTATE

Oil // district 9 // lease#1138

op: TRACY PRODUCTION

fields: OLSON

cum_oil

1.3M BBL

cum_gas

0 MCF

wells

49

production

1993-01 — 2026-03

peak_month

2023-05

-- production_history

cum_oil: 1,278,649 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

16,215 BBL/mo

Di (annual)

18.3%

b-factor

2.0

EUR

3,605,891 BBL

R-squared

0.765

type

hyperbolic

-- wells (49)

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
15SUN EXPLORATION & PRODUCTION CO.32,9002022-07-18
15HASUN EXPLORATION & PRODUCTION CO.32,9002022-07-18
M121HAASPEN OPERATING COMPANY, L.L.C.12,1232021-06-15
M120MARATHON OIL COMPANY52,6002019-03-07
M120HCMARATHON OIL COMPANY52,6002019-03-07
028MARATHON OIL COMPANY22,5002018-08-21
O 28HAMARATHON OIL COMPANY22,5002018-08-21
032ASPEN OPERATING COMPANY, L.L.C.22,9002018-08-15
O 32HAASPEN OPERATING COMPANY, L.L.C.22,9002018-08-15
M118HHENRY PETROLEUM CORP.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
3ASPEN OPERATING COMPANY, L.L.C.12,6002008-04-17
012ASPEN OPERATING COMPANY, L.L.C.12,7002006-04-06
01HENRY PETROLEUM CORP.12,6002000-12-19
024MARATHON OIL COMPANY37,1001998-01-30
M216RMARATHON OIL COMPANY22,6001994-06-20
M212RMARATHON OIL COMPANY12,6001991-05-20
030MARATHON OIL COMPANY12,5001989-10-27
018MARATHON OIL COMPANY12,6701988-07-20
029MARATHON OIL COMPANY12,5001988-04-20
027MARATHON OIL COMPANY12,5001987-10-15
026MARATHON OIL COMPANY12,5001987-10-14
025MARATHON OIL COMPANY12,7001983-12-15
W 6THREE-B OIL COMPANY, THE22,5001983-11-04
16SUN EXPLORATION & PRODUCTION CO.17,6001980-05-12
01042-105-03557--------
01642-105-02304--------
1042-105-03002--------
1242-105-03006--------
1342-105-03008--------
242-105-02985--------
442-105-02990--------
6W42-105-02994--------
742-105-02996--------
7W42-105-02996--------
942-105-03000--------
W 142-105-01229--------
W 242-105-01230--------
W 342-105-01231--------
W 442-105-01232--------
EOF // data source: Texas Railroad Commission // 2026