WELL · 42-427-32360 · DISTRICT 4
Yturria L & L #4
Starr County · Yturria NE. (5000 Sand) field · Vertical
Yturria L & L #4 (API 42-427-32360) is a plugged well in Starr County, plugged February 19, 2018, last operated by Trap Rock Oil Ltd..
The RRC has issued 3 drilling permits between 1989 and 2014, permitted to 5,500 ft.
Completion filings report 9 formation tops, including Catahoula, Frio, Vicksburg, Cook Mountain.
Its 4 leases have reported 50.1K barrels of oil and 81.5K mcf of gas since January 1993, last reporting in February 2018. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Sep 4, 2025 · 41 permits on file · (617) 686-0238
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trap Rock Oil Ltd. |
| Production reports | Trap Rock Oil, Ltd.through Aug 2014 |
| Latest permit | Trap Rock Oil, Ltd.Jul 8, 2014 |
- 5,500
- total depth, ft
- 3
- permits on file
- Jul 8, 2014
- last permit issued
- —
- completed
- 50.1K
- cumulative oil, bbl
- 81.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Feb 19, 2018
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 4 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Yturria L & L G-4-274895 | Yturria, NE. (Frio 4000) | Trap Rock Oil, Ltd. | 1 | 0 | 2.04K | Sep 2012 – Feb 2018 |
| Yturria L & L O-4-12038 | Yturria, NE. (5000 Sand) | Trap Rock Oil, Ltd. | 2 | 50.1K | 62K | Jan 1993 – Dec 2014 |
| Yturria L&L G-4-133849 | Yturria, NE (4550 Frio) | Merit Energy Company | 1 | 0 | 146 | Jan 1993 – Feb 1994 |
| Yturria L & L G-4-144372 | Yturria, NE. (5000 Sand) | Merit Energy Company | 1 | 0 | 17.3K | Feb 1993 – Jan 1994 |
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.
- 1Merit Energy CompanyJan 1993 → Nov 1998
- 2Bison Energy Partners, Inc.Dec 1998 → Aug 2001
- 3Bison Energy Partners, Ltd.Sep 2001 → Apr 2002
- 4White Oak Operating Company LLCMay 2002 → Jun 2004
- 5Opex Energy, LLCJul 2004 → Sep 2006
- 6L & B Oil and Gas Equipment, LLCOct 2006 → Oct 2007
- 7Trap Rock Oil, Ltd.Jun 2014 → Aug 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 788230-99 | Recompletion | Trap Rock Oil, Ltd. | May 29, 2014 | Jul 8, 2014 | May 20, 2014 | 4,800 |
| 407352-99 | Recompletion | Merit Energy Company | Dec 17, 1992 | Jan 20, 1993 | Jan 25, 1993 | 5,410 |
| 363659-99 | Drill | Tasca Exploration Company | Sep 7, 1989 | Sep 11, 1989 | — | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-133849 | — | — | — | — |
| — | — G-4-144372 | — | — | — | — |
| — | — G-4-274895 | — | — | — | — |
| — | — O-4-12038 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 377 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | 3,900 | -3,523 |
| Frio | 3,900 | -3,523 |
| Vicksburg | 5,000 | -4,623 |
| VicksburgVICKSBURG - INJECTION/DISPOSAL; | 5,000 | -4,623 |
| CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI | — | — |
| 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 |
|---|---|---|
| 4,150 | 4,154 | Perforated |
| 4,549 | 4,553 | Perforated |
| 4,968 | 4,972 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 504 | 12.25 | 220 S |
| 4.5 | 5,400 | 7.125 | 908 S |
| 4.5 | 5,406 | 7.875 | 908 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 | Dec 3, 2014 | Aug 7, 2014 | — |
| 00 | Mar 21, 1994 | Mar 4, 1993 | — |
| 00 | Feb 8, 1994 | Oct 6, 1993 | — |
| 00 | Dec 3, 1993 | — | — |
| 00 | Apr 29, 1993 | Mar 4, 1993 | Yes |
| 00 | Mar 23, 1993 | — | — |
| 00 | Apr 26, 1990 | Mar 14, 1990 | Yes |
| 00 | Apr 3, 1990 | — | — |
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 42-427-32360 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-32360 → 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/42732360, documented in the API reference.