42-057-31600

Final Completion Directional

MATAGORDA BAY S.T. 150

CALHOUN County · District 2 · SONTERRA OPERATING INC. · MATAGORDA BAY (BOL MEX)

Permits

Max Depth

13,000 ft

First Permit

1999-09-07

Latest Activity

2008-11-15

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2004-10-06

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2000-01

Last Production

2026-07

Operator History

Chain of Custody

UNION OIL COMPANY OF CALIFORNIA 2001-2003→ FLASH GAS & OIL SOUTHWEST, INC. 2003-2007→ SONTERRA OPERATING, INC. 2007-2009

Lease Production

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

Formation Tops (15) Elevation 37 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BOL MEX	8,863 ft	-8,826 ft
BOL MEX	9,110 ft	-9,073 ft
BOLMEX	9,110 ft	-9,073 ft
9200 SAND	9,302 ft	-9,265 ft
9250SAND	9,366 ft	-9,329 ft
9250 SD	9,366 ft	-9,329 ft
9259 SD	9,366 ft	-9,329 ft
9400 SAND	9,515 ft	-9,478 ft
9400 SD	9,515 ft	-9,478 ft
9600 SAND	9,800 ft	-9,763 ft
9600 SD	9,800 ft	-9,763 ft
9700 SAND	9,900 ft	-9,863 ft
9700 SD	9,900 ft	-9,863 ft
9800 SAND	10,052 ft	-10,015 ft
9800 SD	10,052 ft	-10,015 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 (6)

Interval	Type
9,302–9,320 ft	Perforated
9,356–9,374 ft	Perforated
9,710–9,722 ft	Perforated
9,786–9,820 ft	Perforated
9,900–9,908 ft	Perforated
12,580–? ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	3,347 ft	2,305 sx
9.625"	7,500 ft	1,319 sx
9.625"	7,500 ft	1,319 sx

Permit History (3)

#672829 Recompletion Final Completion

STATE TRACT 150-1 · 10,320 ft

2008-11-15

Spud 2008-12-01

#509867 Recompletion Final Completion

AQUAMARINE UNIT · 13,000 ft

2001-06-05

Spud 2001-09-11

#487125 Drill Unperfed Completion

AQUAMARINE UNIT · 11,525 ft

1999-09-07

Spud 1999-10-23

Applications (3)

#672829 A SONTERRA OPERATING, INC.

received 2008-10-09

#509867 A UNION OIL COMPANY OF CALIFORNIA

received 2001-06-05

#487125 A COCKRELL OIL CORPORATION

received 1999-08-31

Records & Logs

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

W-2/G-1 2009-07-02 log on file

W-2/G-1 2009-11-03

W-2/G-1 2004-12-09

W-2/G-1 2003-05-01

W-2/G-1 2001-12-03 log on file

W-2/G-1 2001-08-19

+2 more filings

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 CALHOUN County.

Well Details

Well Number: 1ST
Max Depth: 13,000 ft
Drill Type: Directional
County: CALHOUN
District: 2
Operator: SONTERRA OPERATING INC.
Completed: 2004-10-06

Operator

Name: SONTERRA OPER, INC
Location: HOUSTON
P-5 Status: Delinquent (filed 2010-07-22)
Cum Oil (all leases): — bbl
Cum Gas (all leases): 98,606 mcf
Activities: OPRS/G
Total Permits: 2