← Wells

42-105-35448

Final Completion

SHANNON M. A. EST. -O-

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

Permits

1

Max Depth

2,500 ft

First Permit

1987-10-14

Latest Activity

1987-10-14

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-02-24

Shut-In

—

Plugged

—

!

EWA / Permit operator mismatch

Scheduling: ASPEN OPERATING COMPANY L.L.C. ≠ Permit: MARATHON OIL COMPANY

Resolved via: production → ASPEN OPERATING COMPANY, L.L.C.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

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 (1) Elevation 2,540 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 2,112 ft+428 ft

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 ↗

Perforations (2)

IntervalType
2,097–2,135 ftPerforated
2,097–2,146 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"714 ft600 sx
5.5"2,304 ft475 sx

Permit History (1)

#337335 Drill Final Completion

SHANNON ESTATE "O" · 2,500 ft

1987-10-14

Applications (1)

#337335 A MARATHON OIL COMPANY
received 1987-10-14

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 1988-03-15
W-2/G-1 1988-03-15
W-2/G-1 1987-12-21 log on file
W-2/G-1 1987-12-30
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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in CROCKETT County.

Well Details

Well Number
26
Max Depth
2,500 ft
Drill Type
Vertical
County
CROCKETT
District
7
Operator
ASPEN OPERATING COMPANY L.L.C.
Completed
1988-02-24

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