42-427-31450

Final Completion

MONTALVO I.V. -C-

STARR County · District 4 · KERR-MCGEE OIL & GAS ONSHORE LP · SUN NORTH (5030)

Permits

Max Depth

10,000 ft

First Permit

1980-08-06

Latest Activity

1989-07-18

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-08-10

Shut-In

—

Plugged

2011-08-22

EWA / Permit operator mismatch

Scheduling: KERR-MCGEE OIL & GAS ONSHORE LP ≠ Permit: ORYX ENERGY COMPANY

Resolved via: scheduling → KERR-MCGEE OIL & GAS ONSHORE LP

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2011-08

Operator History

originally filed by ORYX ENERGY COMPANY — asset transferred

Lease Production

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

Gas

production & DCA →

Formation Tops (2) Elevation 363 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
VICKSBURG 6310 (Vicksburg)	6,309 ft	-5,946 ft
VICKSBURG 6460 (Vicksburg)	6,462 ft	-6,099 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 (5)

Interval	Type
5,030–5,042 ft	Perforated
6,309–6,340 ft	Perforated
6,380–6,386 ft	Perforated
6,462–6,470 ft	Perforated
?–6,340 ft	Perforated

Casing (6)

Size	Set Depth	Cement
10.75"	1,525 ft	850 sx
10.75"	1,525 ft	—
2.375"	6,263 ft	—
2.375"	6,411 ft	—
7.625"	8,106 ft	1,390 sx
7.625"	8,106 ft	—

Permit History (3)

#361684 Recompletion Final Completion

MONTALVO, I.V. -C- · 9,473 ft

1989-07-18

#219957 Recompletion Final Completion

MONTALVO, I. V. -C- · 9,473 ft

1983-11-07

#88792 Drill Final Completion

MONTALVO, I. V. -C- · 10,000 ft

1980-08-06

Spud 1981-01-17

Applications (3)

#361684 A ORYX ENERGY COMPANY

received 1989-07-18

#219957 A SUN EXPL. & PROD. CO.-CORPUS

received 1983-11-03

#88792 A SUN EXPL. & PROD. CO.-CORPUS

received 1980-08-06

Records & Logs

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

W-2/G-1 1989-09-07 log on file

W-2/G-1 1989-12-13

W-2/G-1 1984-04-04

W-2/G-1 1982-02-02

W-2/G-1 1981-09-16

+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 STARR County.

Well Details

Well Number: 42
Max Depth: 10,000 ft
Drill Type: Vertical
County: STARR
District: 4
Operator: KERR-MCGEE OIL & GAS ONSHORE LP
Completed: 1989-08-10

Operator

Name: KERR-MCGEE OIL & GAS ONSHORE LP
Location: HOUSTON
P-5 Status: Active (filed 2026-01-14)
Cum Oil (all leases): 2,199,132 bbl
Cum Gas (all leases): 184,804,225 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 234