TEXAS · WELLS · STARR COUNTY · I. V. MONTALVO 'C' LEASE · API 42-427-34692 · DISTRICT 04
I. V. Montalvo C #46
Starr County · Sun North (DX-G) field · Producing · Vertical
I. V. Montalvo C #46 (API 42-427-34692) is a well in Starr County operated by Killam Oil CO. Ltd., completed September 18, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 28, 2014, permitted to 6,000 ft.
Completion filings report 8 formation tops, including Catahoula, Vicksburg, Cook Mountain, Jackson.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Laredo, TX
- P-5 status
- Active (A)
- P-5 last filed
- Apr 9, 2026
- Permits on file
- 837
- Phone
- (956) 724-7141
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Killam Oil Co. Ltd. |
| Production reports | Killam Oil Co., Ltd.through Apr 2026 |
| Latest permit | Killam Oil Co., Ltd.May 28, 2014 |
- 6,000
- total depth, ft
- 1
- permits on file
- May 28, 2014
- last permit issued
- Sep 18, 2014
- completed
- 0
- cumulative oil, bbl
- 369K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 18, 2014
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| I. V. Montalvo 'C' G-4-275791 | Sun, North (DX-G) | Killam Oil Co., Ltd. | 1 | 0 | 369K | Jul 2014 – Jul 2026 |
Gas, mcf lease total
Last 12 months 18,863 · prior 12 23,114(-18%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Killam Oil Co., Ltd.Jul 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 785796-99 | Drill | Killam Oil Co., Ltd. | Apr 29, 2014 | May 28, 2014 | Jun 9, 2014 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 18, 2014 | I. V. Montalvo C G-4-275791 | Sun North (DX-G) | Killam Oil Co. Ltd. | Producing | 6,000 |
Formation tops
As filed on W-2/G-1. Subsea from 306 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI | 1,234 | -928 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | 4,024 | -3,718 |
| VicksburgVICKSBURG - INJECTION/DISPOSAL; | 5,741 | -5,435 |
| Cook Mountain | — | — |
| JacksonJACKSON - INJECTION/DISPOSAL | — | — |
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC | — | — |
| Queen CityQUEEN CITY - INJECTION/DISPOSAL | — | — |
| Wilcox | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,680 | 4,686 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,164 | 12.25 | 420 S |
| 4.5 | 5,994 | 7.875 | 550 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 | Feb 19, 2015 | Jan 8, 2015 | 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 42-427-34692 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-34692 → 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/42734692, documented in the API reference.