WELL · 42-317-40638 · DISTRICT 8
T y Ranch #81S
Martin County · Spraberry (Trend Area) field · Shut IN · Horizontal
T Y Ranch #81S (API 42-317-40638) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed June 11, 2017 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 21, 2016, permitted to 11,000 ft.
It was permitted by Exl Petroleum Operating Inc. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Santa Rosa, Spraberry, Dean, Wolfcamp.
Its lease has reported 3.65M barrels of oil and 5.31M mcf of gas since September 2016, last reporting in July 2026. The lease carries 11 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by EXL Petroleum Operating Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 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 | EXL Petroleum Operating Inc.Dec 21, 2016 |
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
- Dec 21, 2016
- last permit issued
- Jun 11, 2017
- completed
- 3.65M
- cumulative oil, bbl
- 5.31M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2016 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 11, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.389428, -101.990617
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Martin County.
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 11 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| T y Ranch O-10-48855 | Spraberry (Trend Area) | Diamondback E&P LLC | 11 | 3.65M | 5.31M | Sep 2016 – Jul 2026 |
Oil, barrels lease total
Last 12 months 182,208 · prior 12 217,391(-16%)
Gas, mcf lease total
Last 12 months 392,076 · prior 12 583,118(-33%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EXL Petroleum Operating Inc.Sep 2016 → Jun 2019
- 2Diamondback E&P LLCJul 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 821136-98 | Drill | EXL Petroleum Operating Inc. | Feb 20, 2018 | Dec 21, 2016 | Dec 29, 2016 | 11,000 |
| 821136-99 | Drill | EXL Petroleum Operating Inc. | Dec 9, 2016 | Dec 21, 2016 | Dec 29, 2016 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-48855 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,861 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,400 | 1,461 |
| Spraberry | 7,808 | -4,947 |
| Dean | 9,164 | -6,303 |
| Wolfcamp | 9,400 | -6,539 |
| Cisco | — | — |
| Grayburg | — | — |
| Pennsylvanian | — | — |
| Queen | — | — |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,744 | 17,411 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,010 | 17.5 | 1,280 S |
| 9.625 | 9,389 | 12.25 | 1,050 S |
| 9 | 9,389 | 12.25 | 1,750 S |
| 5.5 | 17,462 | 8.75 | 2,475 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 | Sep 6, 2018 | Jul 27, 2018 | Yes |
| 00 | Mar 6, 2018 | Nov 30, 2017 | 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 42-317-40638 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-40638 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
TY Ranch West42-317-44350
0.7 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,377 | 1,477 |
| Yates | 2,730 | 124 |
| Queen | 3,654 | -800 |
| Grayburg | 3,756 | -902 |
| San Andres | 4,214 | -1,360 |
| Clear Fork | 6,393 | -3,539 |
| Spraberry | 7,821 | -4,967 |
| Cisco | — |
10 TOPS · FIRST 8
TY Ranch West42-317-44346
0.7 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,377 | 1,477 |
| Yates | 2,730 | 124 |
| Queen | 3,654 | -800 |
| Grayburg | 3,756 | -902 |
| San Andres | 4,214 | -1,360 |
| Spraberry | 7,828 | -4,974 |
| Cisco | — | |
| Dean | — |
10 TOPS · FIRST 8
TY Ranch West42-317-44352
0.7 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,377 | 1,477 |
| Yates | 2,730 | 124 |
| Queen | 3,654 | -800 |
| Grayburg | 3,756 | -902 |
| San Andres | 4,214 | -1,360 |
| Spraberry | 7,820 | -4,966 |
| Dean | 9,651 | -6,797 |
| Wolfcamp | 9,733 | -6,879 |
10 TOPS · FIRST 8
TY Ranch West42-317-44354
0.7 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,377 | 1,477 |
| Yates | 2,730 | 124 |
| Queen | 3,654 | -800 |
| Grayburg | 3,756 | -902 |
| San Andres | 4,214 | -1,360 |
| Spraberry | 7,824 | -4,970 |
| Dean | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
TY Ranch West42-317-44347
0.7 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,377 | 1,477 |
| Yates | 2,730 | 124 |
| Queen | 3,654 | -800 |
| Grayburg | 3,756 | -902 |
| San Andres | 4,214 | -1,360 |
| Spraberry | 7,822 | -4,968 |
| Cisco | — | |
| Dean | — |
10 TOPS · FIRST 8
TY Ranch West42-317-44353
0.7 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,377 | 1,477 |
| Yates | 2,730 | 124 |
| Queen | 3,654 | -800 |
| Grayburg | 3,756 | -902 |
| San Andres | 4,214 | -1,360 |
| Clear Fork | 6,390 | -3,536 |
| Spraberry | 7,820 | -4,966 |
| Dean | 9,653 | -6,799 |
10 TOPS · FIRST 8
TY Ranch West42-317-44691
0.7 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,377 | 1,477 |
| Yates | 2,730 | 124 |
| Queen | 3,654 | -800 |
| Grayburg | 3,756 | -902 |
| San Andres | 4,214 | -1,360 |
| Clear Fork | 6,390 | -3,536 |
| Spraberry | 7,820 | -4,966 |
| Dean | — |
10 TOPS · FIRST 8
T y Ranch42-317-41111
0.7 KM · EXL Petroleum Operating Inc. · Section with this well →
| Santa Rosa | 1,500 | 1,355 |
| Clear Fork | 6,384 | -3,529 |
| Spraberry | 7,812 | -4,957 |
| Cisco | — | |
| San Andres | — | |
| Queen | — | |
| Grayburg | — | |
| Dean | — |
10 TOPS · FIRST 8
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/31740638, documented in the API reference.