← Wells

42-105-35509

Final Completion Horizontal

SHANNON ESTATE

CROCKETT County · District 7 · ASPEN OPERATING COMPANY L.L.C. · OLSON

Permits

2

Max Depth

2,500 ft

First Permit

1988-04-20

Latest Activity

2018-08-21

Lifespan

30 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-06-15

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Inactive UIC #000102443 permitted 2011-01-13

Permitted Volume

20,000 bbl/d

Max Pressure

1,015 psi

Injection Interval

2,030–2,797 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-07-01)

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-1999→ GRASHA, MATTHEW P. 1993-1993→ LAS ANIMAS PRODUCTION COMPANY 1993-1994→ GRESHAM OIL & GAS (USA) INC. 1994-1996→ TRACY PRODUCTION 1999-2007→ HENRY PETROLEUM CORP. 1999-2001→ HENRY PETROLEUM LP 2001-2004→ ASPEN OPERATING COMPANY, L.L.C. 2005-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (9) Elevation 2,515 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 1,500 ft+1,015 ft
SAN ANDRES 2,050 ft+465 ft
SAN ANDRES 2,080 ft+435 ft
CANYON ——
DEVONIAN ——
ELLENBURGER ——
LEONARD ——
STRAWN ——
WOLFCAMP ——

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-105-41075 SHANNON ESTATE · ASPEN OPERATING COMPANY, L.L.C.
0.1 mi
Queen 1,500'Queen 1,725'Queen 1,818'Grayburg 1,973'San Andres 2,035'San Andres 2,037'San Andres 2,046'Strawn —Canyon —Leonard —Devonian —Wolfcamp — +1 more
✓ 42-105-41060 SHANNON ESTATE · ASPEN OPERATING COMPANY, L.L.C.
0.3 mi
Yates 1,258'Seven Rivers 1,379'Queen 1,854'San Andres 2,016'San Andres 2,188'Leonard 3,100'
✓ 42-105-02313 SHANNON ESTATE · ASPEN OPERATING COMPANY, L.L.C.
0.4 mi
Queen 1,656'San Andres 1,860'Canyon —Leonard —Ellenburger —Devonian —Wolfcamp —Strawn —
✓ 42-105-35953 SHANNON ESTATE 'M-1' · MARATHON OIL COMPANY
0.6 mi
Salado 779'Yates 1,073'Seven Rivers 1,200'Queen 1,688'Queen 1,720'GREYBURG 1,900'San Andres 1,900'San Andres 1,998'San Andres 2,000'Ellenburger —Strawn —Canyon — +3 more
✓ 42-105-02307 SHANNON ESTATE -M-1- · HENRY PETROLEUM CORP.
0.6 mi
Yates 1,214'Seven Rivers 1,332'Queen 1,804'San Andres 2,124'
✓ 42-105-42467 SHANNON HOSPITAL 1 · EASTLAND OIL COMPANY, THE
0.6 mi
Rustler 658'Yates 1,115'Seven Rivers 1,270'Queen 1,778'GREYBURG 1,980'San Andres 2,043'Leonard 3,790'Wolfcamp 5,215'Strawn —Canyon —
✓ 42-105-32511 SHANNON ESTATE · SUN EXPLORATION & PRODUCTION CO.
0.7 mi
SOMA SAND 1,314'Queen 1,990'San Andres 2,134'Ellenburger —Devonian —Leonard —Strawn —Canyon —Wolfcamp —
✓ 42-105-42552 SHANNON HOSPITAL 1C · STONE CREEK OPERATING, LLC
1.3 mi
Queen 2,250'San Andres 2,475'Leonard 3,845'Wolfcamp 5,766'Ellenburger —Devonian —Strawn —Canyon —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (3)

IntervalType
2,042–2,057 ftOpen hole
2,065–2,093 ftPerforated
2,275–2,763 ftOpen hole

Casing (2)

SizeSet DepthCement
8.625"705 ft505 sx
5.5"2,304 ft900 sx

Permit History (2)

#843698 Recompletion Final Completion

SHANNON ESTATE · 2,315 ft

2018-08-21

#344995 Drill Final Completion

SHANNON ESTATE "O" · 2,500 ft

1988-04-20

Applications (2)

#843698 A ASPEN OPERATING COMPANY, L.L.C.
received 2018-08-16
#344995 A MARATHON OIL COMPANY
received 1988-04-11

Records & Logs

4 completion filings on record · 3 with log images at RRC.

W-2/G-1 2018-10-19 log on file
W-2/G-1 1988-07-05 log on file
W-2/G-1 1988-07-05 log on file
W-2/G-1 1988-07-13
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Google Maps → Explorer Map →
Lat 30.833991
Lon -101.734714

Well Details

Well Number
O 28HA
Max Depth
2,500 ft
Drill Type
Horizontal
County
CROCKETT
District
7
Operator
ASPEN OPERATING COMPANY L.L.C.
Completed
1988-06-15

Operator

Location
FORT WORTH
P-5 Status
Active (filed 2026-01-12)
Cum Oil (all leases)
4,610,944 bbl
Cum Gas (all leases)
9,640,400 mcf
Activities
OPRS/G, OPRS/O
Total Permits
124