WELL · 42-479-40419 · DISTRICT 4
Las Blancas #1
Webb County · Schwarz (8700) field · Vertical
Las Blancas #1 (API 42-479-40419) is a well in Webb County operated by Encina Resources LLC, completed February 5, 2005.
The RRC has issued 2 drilling permits between 2008 and 2012, permitted to 10,500 ft.
It was permitted by Laredo Energy and has since transferred to Encina Resources LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Wilcox, Lobo Uncomformity, Lobo Unconformity, Wills Point.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Laredo Energy; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 4, 2026 · (833) 270-5173
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Encina Resources LLC |
| Production reports | Encina Resources, LLCthrough Jan 2018 |
| Latest permit | Laredo EnergyAug 7, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 2
- permits on file
- Aug 7, 2012
- last permit issued
- Feb 5, 2005
- completed
- 0
- cumulative oil, bbl
- 93.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 5, 2005
- Shut in
- —
- Plugged
- —
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Las Blancas G-4-270043 | Schwarz (Lobo) | Lucky Lad Energy, LLC | 1 | 0 | 26.9K | Nov 2012 – Jul 2026 |
| Las Blancas G-4-248826 | Schwarz (8700) | Encina Resources, LLC | 1 | 0 | 66.9K | Feb 2009 – Dec 2025 |
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.
- 1Laredo EnergyFeb 2009 → Apr 2014
- 2Laredo Energy Operating, LLCMay 2014 → Oct 2014
- 3Encina Resources, LLCNov 2014 → Jan 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 745432-99 | Recompletion | Laredo Energy | Jul 26, 2012 | Aug 7, 2012 | Oct 25, 2012 | 9,800 |
| 672805-99 | Drill | Laredo Energy | Oct 9, 2008 | Oct 15, 2008 | Nov 28, 2008 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-248826 | — | — | — | — |
| — | — G-4-270043 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 579 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 4,300 | -3,721 |
| WilcoxLOWER WILCOX | 7,000 | -6,421 |
| Lobo Uncomformity | 7,300 | -6,721 |
| Lobo Unconformity | 7,300 | -6,721 |
| Wills Point | 9,300 | -8,721 |
| Top of Cretaceous | 9,400 | -8,821 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,024 | 8,120 | Perforated |
| 8,700 | 8,716 | Perforated |
| 8,972 | 9,056 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,525 | 12.25 | 511 S |
| 7 | 7,130 | 8.75 | 400 S |
| 4.5 | 9,690 | 6.125 | 325 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 | Oct 8, 2013 | Feb 25, 2013 | — |
| 00 | Oct 28, 2009 | Sep 10, 2009 | — |
| 00 | Aug 18, 2009 | May 4, 2009 | Yes |
| 00 | Jul 2, 2009 | — | — |
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 42-479-40419 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-40419 → 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/47940419, documented in the API reference.