WELL · 42-427-00597 · DISTRICT 4
Montalvo I.V. -C- #29
Starr County · Sun North (6070) field · Vertical
Montalvo I.V. -C- #29 (API 42-427-00597) is a plugged well in Starr County, plugged August 9, 2005, last operated by Oryx Energy Company.
The RRC has issued 3 drilling permits between 1981 and 1989, permitted to 7,254 ft.
It was permitted by Sun Exploration & Production CO. and has since transferred to Oryx Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including 4220, 5750 Frio, 6070.
Its lease has reported 110K barrels of oil and 103K mcf of gas since January 1993, last reporting in September 2005.
Operator of record
Permitted by Sun Exploration & Production Co.; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Mar 27, 1998
- Permits on file
- 1,627
- Phone
- (972) 715-4000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Oryx Energy Company |
| Production reports | Kerr-McGee Oil & Gas Onshore LLCthrough Jun 2003 |
| Latest permit | Sun Exploration & Production Co.Apr 19, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,254
- total depth, ft
- 3
- permits on file
- Apr 19, 1989
- last permit issued
- Feb 15, 1989
- completed
- 110K
- cumulative oil, bbl
- 103K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2005
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 15, 1989
- Shut in
- —
- Plugged
- Aug 9, 2005
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- O-4-11649 | Sun, North (5810) | Kerr-McGee Oil & Gas Onshore LLC | 1 | 110K | 103K | Jan 1993 – Sep 2005 |
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 → Mar 1999
- 2Kerr-McGee CorporationApr 1999 → Sep 1999
- 3Kerr-McGee Oil & Gas Onshore LLCOct 1999 → Jun 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 358258-99 | Recompletion | Sun Exploration & Production Co. | Apr 17, 1989 | Apr 19, 1989 | — | 7,254 |
| 354372-99 | Recompletion | Sun Exploration & Production Co. | Dec 16, 1988 | Dec 19, 1988 | — | 7,254 |
| 131471-99 | Recompletion | Sun Expl. & Prod. Co.-Corpus | Aug 28, 1981 | Aug 28, 1981 | — | 7,254 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-11649 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 327 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| 4220 | 4,220 | -3,893 |
| 5750 Frio | 5,750 | -5,423 |
| 6070 | 6,108 | -5,781 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,220 | 4,230 | Perforated |
| 5,810 | 5,819 | Perforated |
| 6,108 | 6,128 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,034 | 13.75 | 400 S |
| 2.375 | 4,187 | — | — |
| 5.5 | 7,254 | 8.75 | 700 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 18, 1989 | Jul 5, 1989 | Yes |
| 00 | Aug 8, 1989 | — | — |
| 00 | Apr 12, 1989 | Mar 10, 1989 | Yes |
| 00 | Mar 17, 1989 | — | — |
| 00 | Jan 12, 1984 | Sep 30, 1981 | — |
| 00 | Jan 12, 1984 | Sep 20, 1976 | — |
| 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 42-427-00597 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-00597 → 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/42700597, documented in the API reference.