WELL · 42-317-35601 · DISTRICT 8
T-Y #11
Martin County · Spraberry (Trend Area) field · Vertical
T-Y #11 (API 42-317-35601) is a plugged well in Martin County, plugged September 18, 2019, last operated by Diamondback E&P LLC.
The RRC has issued 2 drilling permits between 2009 and 2016, permitted to 12,000 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its lease has reported 1.03M barrels of oil and 1.88M mcf of gas since December 2003, last reporting in July 2026. The lease carries 14 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Endeavor Energy Resources L.P.Jul 13, 2016 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Jul 13, 2016
- last permit issued
- Oct 9, 2009
- completed
- 1.03M
- cumulative oil, bbl
- 1.88M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 9, 2009
- Shut in
- —
- Plugged
- Sep 18, 2019
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 14 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| T-Y O-10-37223 | Spraberry (Trend Area) | Diamondback E&P LLC | 14 | 1.03M | 1.88M | Dec 2003 – Jul 2026 |
Oil, barrels lease total
Last 12 months 21,724 · prior 12 21,409(+1%)
Gas, mcf lease total
Last 12 months 26,034 · prior 12 30,581(-15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Terrace Petroleum CorporationDec 2003 → Sep 2005
- 2LCX Energy, LLCOct 2005 → Sep 2009
- 3Endeavor Energy Resources L.P.Oct 2009 → Sep 2016
- 4Guidon Energy Mgmt Services LLCOct 2016 → Dec 2020
- 5Diamondback E&P LLCJan 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 816252-99 | Recompletion | Endeavor Energy Resources L.P. | Jun 10, 2016 | Jul 13, 2016 | — | 11,165 |
| 680321-99 | Drill | LCX Energy, LLC | Apr 9, 2009 | Apr 15, 2009 | Apr 19, 2009 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-37223 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,845 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,593 | 10,960 | Perforated |
| 7,948 | 10,664 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 405 | 17.5 | 440 S |
| 8.625 | 4,533 | 11 | 700 S |
| 4.5 | 11,165 | 7.875 | 1,720 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 | Jul 18, 2016 | Jul 18, 2016 | — |
| 00 | Aug 10, 2010 | Mar 2, 2010 | Yes |
| 00 | Jul 14, 2010 | — | — |
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 42-317-35601 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-35601 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/31735601, documented in the API reference.