TEXAS · WELLS · STARR COUNTY · MONTALVO HEIRS 'B' LEASE · API 42-427-34708 · DISTRICT 04
Montalvo Heirs B #3
Starr County · Sun North (5030) field · Temp Abandoned · Vertical
Montalvo Heirs B #3 (API 42-427-34708) is a well in Starr County operated by Killam Oil CO. Ltd., completed March 13, 2017 and listed as temp abandoned on the RRC schedule, shut in February 1, 2017.
The RRC has issued one drilling permit (amended once), issued September 3, 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 Jan 2017 |
| Latest permit | Killam Oil Co., Ltd.Sep 3, 2014 |
- 6,000
- total depth, ft
- 2
- permits on file
- Sep 3, 2014
- last permit issued
- Mar 13, 2017
- completed
- 0
- cumulative oil, bbl
- 26.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 13, 2017
- Shut in
- Feb 1, 2017
- 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 |
|---|---|---|---|---|---|---|
| Montalvo Heirs 'B' G-4-277543 | Sun, North (5030) | Killam Oil Co., Ltd. | 1 | 0 | 26.7K | May 2015 – Jul 2026 |
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.
- 1Killam Oil Co., Ltd.Jun 2015 → Jan 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 794009-98 | Drill | Killam Oil Co., Ltd. | Jun 23, 2015 | Sep 3, 2014 | Oct 6, 2014 | 6,000 |
| 794009-99 | Drill | Killam Oil Co., Ltd. | Aug 12, 2014 | Sep 3, 2014 | — | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 13, 2017 | Montalvo Heirs B G-4-277543 | Sun North (5030) | Killam Oil Co. Ltd. | Temp Abandoned · shut in Feb 1, 2017 | 6,000 |
Formation tops
As filed on W-2/G-1. Subsea from 316 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CatahoulaCATAHOULA-ANAHUAC | 1,165 | -849 |
| CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI | 1,165 | -849 |
| CatahoulaCATAHOULA-FRIO | 4,096 | -3,780 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | 4,096 | -3,780 |
| Vicksburg | 5,551 | -5,235 |
| VicksburgVICKSBURG - INJECTION/DISPOSAL; | 5,551 | -5,235 |
| 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 |
|---|---|---|
| 4,842 | 4,846 | Perforated |
| 4,973 | 4,975 | Perforated |
| 4,985 | 4,991 | Perforated |
| 5,025 | 5,029 | Perforated |
| 5,045 | 5,047 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,054 | 12.25 | 400 S |
| 4.5 | 5,978 | 7.875 | 654 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 | Jun 29, 2017 | Jun 6, 2017 | — |
| 00 | Jan 30, 2017 | Jan 27, 2017 | — |
| 00 | Aug 20, 2015 | Jul 14, 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 42-427-34708 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-34708 → 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/42734708, documented in the API reference.