TEXAS · WELLS · STARR COUNTY · MONTALVO, I.V. -C- LEASE · API 42-427-31450 · DISTRICT 04
Montalvo I.V. -C- #42
Starr County · Sun North (5030) field · Vertical
Montalvo I.V. -C- #42 (API 42-427-31450) is a plugged well in Starr County, plugged August 22, 2011, last operated by Kerr-Mcgee Oil & Gas Onshore LP.
The RRC has issued 3 drilling permits between 1980 and 1989, permitted to 10,000 ft.
It was permitted by Oryx Energy Company and has since transferred to Kerr-Mcgee Oil & Gas Onshore LP on the wellbore schedule.
Completion filings report one formation top, including Vicksburg.
Operator of record
Kerr-McGee Oil & Gas Onshore LP
Permitted by Oryx Energy Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 14, 2026
- Permits on file
- 234
- Phone
- (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Kerr-McGee Oil & Gas Onshore LP |
| Production reports | none |
| Latest permit | Oryx Energy CompanyJul 18, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 3
- permits on file
- Jul 18, 1989
- last permit issued
- Aug 10, 1989
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 10, 1989
- Shut in
- —
- Plugged
- Aug 22, 2011
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Montalvo, I.V. -C- G-4-132571 | Sun, North (5030) | Kerr-McGee Oil & Gas Onshore LP | 1 | 0 | 0 | Jan 1993 – Aug 2011 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 361684-99 | Recompletion | Oryx Energy Company | Jul 18, 1989 | Jul 18, 1989 | — | 9,473 |
| 219957-99 | Recompletion | Sun Expl. & Prod. Co.-Corpus | Nov 3, 1983 | Nov 7, 1983 | — | 9,473 |
| 88792-99 | Drill | Sun Expl. & Prod. Co.-Corpus | Aug 6, 1980 | Aug 6, 1980 | Jan 17, 1981 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 10, 1989 | Montalvo I.V. -C- G-4-132571 | Sun North (5030) | Kerr-McGee Oil & Gas Onshore LP | Plugged | — |
| Mar 9, 1984 | Montalvo I.V.-C- O-4-10476 | Sun North (Vicksburg 6370) | Oryx Energy Company | Plugged | — |
| Aug 20, 1981 | Montalvo I.V. -C- O-4-9995 | Sun North (Vicksburg 6460) | Sun Expl. & Prod. Co.-Corpus | Plugged | — |
| Aug 20, 1981 | Montalvo I. V. -C- G-4-95777 | Sun North (Vicksburg 6460) | Sun Expl. & Prod. Co.-Corpus | Plugged | — |
| Aug 20, 1981 | Montalvo I.V. -C- O-4-9884 | Sun N. (Vicksburg 6310) | Oryx Energy Company | Plugged | — |
| Aug 20, 1981 | Montalvo I.V. -C- O-4-9884 | Sun N. (Vicksburg 6310) | Oryx Energy Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 363 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,030 | 5,042 | Perforated |
| 6,309 | 6,340 | Perforated |
| 6,380 | 6,386 | Perforated |
| 6,462 | 6,470 | Perforated |
| — | 6,340 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,525 | 14.75 | 850 S |
| 10.75 | 1,525 | — | — |
| 2.375 | 6,263 | — | — |
| 2.375 | 6,411 | — | — |
| 7.625 | 8,106 | 9.625 | 1,390 S |
| 7.625 | 8,106 | — | — |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 26, 1990 | Sep 7, 1989 | Yes |
| 00 | Dec 13, 1989 | — | — |
| 00 | Jun 5, 1984 | Apr 4, 1984 | — |
| 00 | May 15, 1984 | Apr 4, 1984 | — |
| 00 | Jan 12, 1984 | Feb 2, 1982 | — |
| 00 | Jan 12, 1984 | Sep 16, 1981 | — |
| 00 | Jan 12, 1984 | Aug 28, 1981 | — |
| 00 | Jan 12, 1984 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-427-31450 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-31450 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/42731450, documented in the API reference.