WELL · 42-489-31203 · DISTRICT 4
Yturria #10
Willacy County · LA Sara (No. 40 Sand) field · Vertical
Yturria #10 (API 42-489-31203) is a well in Willacy County operated by La Sara Operating Company LLC, completed June 17, 2008.
The RRC has issued 2 drilling permits between 2008 and 2015, permitted to 11,000 ft.
Completion filings report 3 formation tops, including G3, La Sara Nw (3000), G5b, La Sara (4300), Yb1a, La Sara Ne (6070).
Its 3 leases have reported 94.1K barrels of oil and 265K mcf of gas since August 2008, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Jun 2, 2017 · 13 permits on file · (713) 819-6077
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | LA Sara Operating Company LLC |
| Production reports | Texas Oil and Gas Operating, LLCthrough Oct 2025 |
| Latest permit | LA Sara Operating Company, LLCJan 23, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 2
- permits on file
- Jan 23, 2015
- last permit issued
- Jun 17, 2008
- completed
- 94.1K
- cumulative oil, bbl
- 265K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 17, 2008
- 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Yturria O-4-13960 | LA Sara (3850) | Texas Oil and Gas Operating, LLC | 1 | 86.4K | 0 | Dec 2014 – Jul 2026 |
| Yturria G-4-253806 | LA Sara (No. 40 Sand) | LA Sara Operating Company, LLC | 1 | 0 | 157K | Aug 2009 – Dec 2015 |
| Yturria O-4-13521 | LA Sara (No. 40 Sand) | Blakenergy Operating, LLC | 1 | 7.75K | 108K | Aug 2008 – Feb 2010 |
Oil, barrels lease total
Last 12 months 687 · prior 12 2,401(-71%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Blakenergy Operating, LLCAug 2008 → Apr 2019
- 2Risco la Sara Operations, LLCMar 2011 → Sep 2013
- 3LA Sara Operating Company, LLCSep 2014 → Dec 2015
- 4MK Operating Company LLCJan 2016 → Mar 2017
- 5Texas Oil and Gas Operating, LLCMay 2019 → Oct 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 802882-99 | Recompletion | LA Sara Operating Company, LLC | Jan 19, 2015 | Jan 23, 2015 | Nov 19, 2014 | 4,500 |
| 661177-99 | Drill | Blakenergy Operating, LLC | May 5, 2008 | May 21, 2008 | Jun 3, 2008 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-253806 | — | — | — | — |
| — | — O-4-13521 | — | — | — | — |
| — | — O-4-13960 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 33 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| G3, la Sara NW (3000) | 2,916 | -2,883 |
| G5B, la Sara (4300) | 4,271 | -4,238 |
| YB1A, la Sara NE (6070) | 6,066 | -6,033 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,880 | 3,896 | Perforated |
| 9,892 | 9,904 | Perforated |
| 9,914 | 9,925 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,090 | 12.25 | — |
| 4.5 | 10,110 | 7.875 | — |
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 | Sep 30, 2015 | Jan 27, 2015 | Yes |
| 00 | Mar 24, 2010 | Aug 20, 2009 | — |
| 00 | Jan 6, 2010 | — | — |
| 00 | Jul 7, 2009 | Mar 25, 2009 | — |
| 00 | Jan 26, 2009 | Aug 29, 2008 | Yes |
| 00 | Dec 29, 2008 | — | — |
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 42-489-31203 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-489-31203 → 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/48931203, documented in the API reference.