WELL · 42-489-31281 · DISTRICT 4
Yturria RR #35RR
Willacy County · LA Sara (3830) field · Shut IN · Vertical
Yturria RR #35RR (API 42-489-31281) is a well in Willacy County operated by Texas Oil And Gas Operating LLC, completed April 16, 2015 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued April 1, 2015, permitted to 3,200 ft.
It was permitted by La Sara Operating Company, LLC and has since transferred to Texas Oil And Gas Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Catahoula, Miocene (undifferentiated).
Its lease has reported 1.59K barrels of oil since May 2013, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Texas Oil and Gas Operating LLC
Permitted by LA Sara Operating Company, LLC; the EWA schedule now lists a different operator.
Friendswood, TX · P-5 Y, filed Sep 4, 2025 · 7 permits on file · (281) 317-8221
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texas Oil and Gas Operating LLC |
| Production reports | LA Sara Operating Company, LLCthrough Mar 2015 |
| Latest permit | LA Sara Operating Company, LLCApr 1, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,200
- total depth, ft
- 1
- permits on file
- Apr 1, 2015
- last permit issued
- Apr 16, 2015
- completed
- 1.59K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 16, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Yturria RR O-4-13852 | LA Sara (3830) | Texas Oil and Gas Operating, LLC | 3 | 1.59K | 0 | May 2013 – 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.
- 1Risco la Sara Operations, LLCJun 2014 → Aug 2014
- 2LA Sara Operating Company, LLCSep 2014 → Mar 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 805055-99 | Drill | LA Sara Operating Company, LLC | Mar 26, 2015 | Apr 1, 2015 | Apr 10, 2015 | 3,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-13852 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 35 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CatahoulaCATAHOULA-ANAHUAC - H2S | — | — |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | — | — |
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC | — | — |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,000 | 12.25 | 360 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 8, 2016 | Dec 10, 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 42-489-31281 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-489-31281 → 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/48931281, documented in the API reference.