42-427-00597

Final Completion

MONTALVO I.V. -C-

STARR County · District 4 · ORYX ENERGY COMPANY · SUN NORTH (6070)

Permits

Max Depth

7,254 ft

First Permit

1981-08-28

Latest Activity

1989-04-19

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-02-15

Shut-In

—

Plugged

2005-08-09

EWA / Production operator mismatch

Scheduling: ORYX ENERGY COMPANY ≠ Production: KERR-MCGEE OIL & GAS ONSHORE LLC (reported 2003-06)

EWA / Permit operator mismatch

Scheduling: ORYX ENERGY COMPANY ≠ Permit: SUN EXPLORATION & PRODUCTION CO.

Resolved via: scheduling → ORYX ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2005-09

Operator History

Chain of Custody

ORYX ENERGY COMPANY 1993-1999→ KERR-MCGEE CORPORATION 1999-1999→ KERR-MCGEE OIL & GAS ONSHORE LLC 1999-2003

Lease Production

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

Oil

production & DCA →

Formation Tops (3) Elevation 327 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
4220	4,220 ft	-3,893 ft
5750 FRIO	5,750 ft	-5,423 ft
6070	6,108 ft	-5,781 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
4,220–4,230 ft	Perforated
5,810–5,819 ft	Perforated
6,108–6,128 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	1,034 ft	400 sx
2.375"	4,187 ft	—
5.5"	7,254 ft	700 sx

Permit History (3)

#358258 Recompletion Final Completion

MONTALVO, I. V. -C- · 7,254 ft

1989-04-19

#354372 Recompletion Final Completion

MONTALVO, I. V. -C- · 7,254 ft

1988-12-19

#131471 Recompletion Final Completion

MONTALVO, I.V. -C- · 7,254 ft

1981-08-28

Applications (3)

#358258 A SUN EXPLORATION & PRODUCTION CO.

received 1989-04-17

#354372 A SUN EXPLORATION & PRODUCTION CO.

received 1988-12-16

#131471 A SUN EXPL. & PROD. CO.-CORPUS

received 1981-08-28

Records & Logs

7 completion filings on record · 2 with log images at RRC.

W-2/G-1 1989-07-05 log on file

W-2/G-1 1989-08-08

W-2/G-1 1989-03-10 log on file

W-2/G-1 1989-03-17

W-2/G-1 1981-09-30

W-2/G-1 1976-09-20

+1 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 STARR County.

Well Details

Well Number: 29
Max Depth: 7,254 ft
Drill Type: Vertical
County: STARR
District: 4
Operator: ORYX ENERGY COMPANY
Completed: 1989-02-15

Operator

Name: SANCHEZ-O'BRIEN OIL & GAS CORP
Location: DALLAS
P-5 Status: Inactive (filed 1998-03-27)
Cum Oil (all leases): 48,027,931 bbl
Cum Gas (all leases): 270,942,656 mcf
Total Permits: 1,627