TEXAS · WELLS · STARR COUNTY · API 42-427-00569 · DISTRICT 04
Montalvo I. V. -C- #1
Starr County · Sun North (C-5) field · Vertical
Montalvo I. V. -C- #1 (API 42-427-00569) is a plugged well in Starr County, plugged December 26, 2007, last operated by Kerr-Mcgee Oil & Gas Onshore LP.
The RRC has issued 3 drilling permits (amended once) between 1986 and 1995, permitted to 6,611 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 5 formation tops, including C-5, D-3,, D-3, D-3, (D-3-D-3) Prop..
Its 2 leases have reported 3.5K mcf of gas since January 1993, with no volume in the three years through April 2026.
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 | Kerr-McGee Oil & Gas Onshore LPthrough May 1993 |
| Latest permit | Oryx Energy CompanyJul 18, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,611
- total depth, ft
- 4
- permits on file
- Jul 18, 1995
- last permit issued
- Jul 27, 1995
- completed
- 0
- cumulative oil, bbl
- 3.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 1993
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 27, 1995
- Shut in
- —
- Plugged
- Dec 26, 2007
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 2 leases 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-4-142977 | Sun, North (C-5) | Kerr-McGee Oil & Gas Onshore LP | 1 | 0 | 3.5K | Jan 1993 – May 1993 |
| — G-4-122162 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Oryx Energy CompanyJan 1993 → May 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 437995-99 | Recompletion | Oryx Energy Company | Jul 18, 1995 | Jul 18, 1995 | Jul 19, 1995 | 6,611 |
| 380211-98 | Recompletion | Oryx Energy Company | Oct 23, 1992 | Oct 26, 1990 | Nov 5, 1992 | 6,611 |
| 380211-99 | Recompletion | Oryx Energy Company | Oct 26, 1990 | Oct 26, 1990 | — | 6,611 |
| 303473-99 | Recompletion | Sun Expl. & Prod. Co.-Corpus | Jun 20, 1986 | Jun 23, 1986 | — | 6,341 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 27, 1995 | Montalvo I. V. -C- G-4-142977 | Sun North (C-5) | Kerr-McGee Oil & Gas Onshore LP | Plugged | — |
| Jul 27, 1995 | Montalvo I. V. -C- G-4-142977 | Sun North (C-5) | Kerr-McGee Oil & Gas Onshore LP | Plugged | — |
| Sep 5, 1986 | Montalvo I.V. -C- G-4-122162 | Sun North (D-3 D-3) | Oryx Energy Company | Plugged | — |
| Jul 1, 1981 | Montalvo I. V. -C- O-4-3109 | Sun North | Oryx Energy Company | Plugged | — |
| — | Montalvo I. V. -C- O-4-5710 | Sun North (Clark Upper I) | Sun Expl. & Prod. Co.-Corpus | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 320 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| C-5 | 4,670 | -4,350 |
| D-3, | 4,838 | -4,518 |
| D-3, D-3 | 4,838 | -4,518 |
| (D-3-D-3) Prop. | 4,988 | -4,668 |
| Sun, North | 5,377 | -5,057 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,672 | 4,684 | Perforated |
| 4,988 | 5,000 | Perforated |
| — | 5,386 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,115 | 12.25 | 325 S |
| 5.5 | 5,434 | 8.75 | 375 S |
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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Nov 9, 1995 | Aug 17, 1995 | — |
| 00 | Jan 15, 1993 | Nov 23, 1992 | Yes |
| 00 | Dec 2, 1992 | — | — |
| 00 | Oct 10, 1986 | Sep 18, 1986 | Yes |
| 00 | Oct 3, 1986 | — | — |
| 00 | Jan 12, 1984 | — | Yes |
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 42-427-00569 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-00569 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/42700569, documented in the API reference.