42-007-30589

Final Completion

STATE TRACT 12

ARANSAS County · District 4 · MITCHELL ENERGY OFFSHORE CORP. · MESQUITE BAY (FRIO MF-1)

Permits

Max Depth

13,100 ft

First Permit

1978-03-16

Latest Activity

1991-04-22

Lifespan

13 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1978-09-29

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: MITCHELL ENERGY OFFSHORE CORP. ≠ Production: TR OFFSHORE, LLC (reported 2025-05)

EWA / Permit operator mismatch

Scheduling: MITCHELL ENERGY OFFSHORE CORP. ≠ Permit: MITCHELL ENERGY CORPORATION

Resolved via: scheduling → MITCHELL ENERGY OFFSHORE CORP.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MITCHELL ENERGY CORPORATION 1993-2000→ MITCHELL ENERGY COMPANY L.P. 2001-2002→ DEVON ENERGY OPERATING CO., L.P. 2002-2004→ DEVON ENERGY PRODUCTION CO, L.P. 2004-2005→ LEGEND NATURAL GAS II, LP 2005-2005→ CHAPARRAL ENERGY, L.L.C. 2005-2017→ TR OFFSHORE, LLC 2017-2025

Lease Production

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

Formation Tops (3) Elevation 24 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ANAHUAC	6,482 ft	-6,458 ft
UPPER FRIO SAND (Frio)	8,750 ft	-8,726 ft
MIDDLE FRIO SAND (Frio)	10,892 ft	-10,868 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 (3)

Interval	Type
9,280–9,285 ft	Perforated
9,322–9,333 ft	Perforated
10,894–10,923 ft	Perforated

Casing (6)

Size	Set Depth	Cement
20"	100 ft	—
13.375"	3,005 ft	2,000 sx
13.375"	3,005 ft	2,050 sx
9.625"	8,623 ft	750 sx
2.375"	10,741 ft	—
7"	12,500 ft	950 sx

Permit History (2)

#386910 Recompletion Final Completion

STATE TRACT 12 · 12,500 ft

1991-04-22

Spud 1991-07-19

#20203 Drill Long String Casing

STATE TRACT 12 · 13,100 ft

1978-03-16

Applications (2)

#386910 A MITCHELL ENERGY CORPORATION

received 1991-04-18

#20203 A MITCHELL ENERGY OFFSHORE CORP.

received 1978-03-16

Records & Logs

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

W-2/G-1 1991-10-21 log on file

W-2/G-1 1991-10-31

W-2/G-1 1983-10-12

W-2/G-1 1978-12-18

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 ARANSAS County.

Well Details

Well Number: 1
Max Depth: 13,100 ft
Drill Type: Vertical
County: ARANSAS
District: 4
Operator: MITCHELL ENERGY OFFSHORE CORP.
Completed: 1978-09-29

Operator

Name: MITCHELL ENGY OFFSHORE CORP
Location: THE WOODLAN, DS
P-5 Status: Inactive (filed 1985-06-28)
Total Permits: 61