WELL · 42-501-36768 · DISTRICT 8
Lazy Horse 581 #4XH
Yoakum County · Sable (San Andres) field · Horizontal
Lazy Horse 581 #4XH (API 42-501-36768) is a horizontal well in Yoakum County operated by Riley Permian Operating CO LLC, completed May 9, 2017.
The RRC has issued 2 drilling permits in 2017, permitted to 9,000 ft.
Completion filings report 12 formation tops, including Santa Rosa, Yates, San Andres, Clear Fork.
Its 2 leases have reported 308K barrels of oil and 850K mcf of gas since April 2017, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Riley Permian Operating Co LLC
Oklahoma City, OK · P-5 Y, filed Feb 4, 2026 · 294 permits on file · (713) 412-5490
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Riley Permian Operating Co LLC |
| Production reports | Riley Permian Operating Co, LLCthrough Apr 2026 |
| Latest permit | Riley Permian Operating Co, LLCNov 3, 2017 |
- 9,000
- total depth, ft
- 2
- permits on file
- Nov 3, 2017
- last permit issued
- May 9, 2017
- completed
- 308K
- cumulative oil, bbl
- 850K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 9, 2017
- Shut in
- —
- Plugged
- —
Surface location
33.123839, -102.989642
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Yoakum County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lazy Horse a 581-600 O-11-70623 | Platang (San Andres) | Riley Permian Operating Co, LLC | 2 | 308K | 850K | May 2017 – Jul 2026 |
| Lazy Horse 581 O-11-70603 | Sable (San Andres) | Riley Permian Operating Co, LLC | 2 | 0 | 0 | Apr 2017 – Jan 2018 |
Oil, barrels lease total
Last 12 months 16,638 · prior 12 21,092(-21%)
Gas, mcf lease total
Last 12 months 89,442 · prior 12 125,917(-29%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Riley Permian Operating Co, LLCMay 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 830655-99 | Field transfer | Riley Permian Operating Co, LLC | Sep 5, 2017 | Nov 3, 2017 | Mar 23, 2017 | 5,267 |
| 822338-99 | Drill | Riley Exploration Opg Co, LLC | Jan 20, 2017 | Mar 17, 2017 | Mar 22, 2017 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-70603 | — | — | — | — |
| — | — O-11-70623 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,737 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaRED BED-SANTA ROSA | 2,174 | 1,563 |
| Yates | 3,154 | 583 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,634 | -897 |
| Clear ForkCLEARFORK - ACTIVE CO2 FLOOD | — | — |
| Devonian | — | — |
| DevonianDEVONIAN-SILURIAN | — | — |
| Glorieta | — | — |
| Leonard | — | — |
| Mississippian | — | — |
| Pennsylvanian | — | — |
| Strawn | — | — |
| Wichita-AlbanyWICHITA | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,497 | 10,744 | Perforated |
| 5,794 | 10,744 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,199 | 12.25 | 890 S |
| 5.5 | 10,840 | 7.875 | 1,685 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 15, 2022 | Jan 4, 2022 | — |
| 00 | Dec 13, 2018 | Jul 26, 2018 | — |
| 00 | Nov 10, 2017 | Sep 20, 2017 | — |
| 00 | Aug 30, 2017 | Aug 9, 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 42-501-36768 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-36768 → 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.
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.
Desperado W 53842-501-36767
0.0 KM · Riley Permian Operating Co, LLC · Section with this well →
| Santa Rosa | 2,174 | 1,564 |
| Yates | 3,154 | 584 |
| San Andres | 4,634 | -896 |
| Clear Fork | — | |
| Glorieta | — | |
| Wichita-Albany | — | |
| Wolfcamp | — | |
| Leonard | — |
10 TOPS · FIRST 8
Desperado 53842-501-36834
0.1 KM · Riley Permian Operating Co, LLC · Section with this well →
| Santa Rosa | 2,156 | 1,581 |
| Yates | 3,139 | 598 |
| San Andres | 4,626 | -889 |
| Clear Fork | — | |
| Glorieta | — | |
| Leonard | — | |
| Pennsylvanian | — | |
| Strawn | — |
10 TOPS · FIRST 8
Lazy Horse 581-60042-501-36831
0.1 KM · Riley Permian Operating Co, LLC · Section with this well →
| Santa Rosa | 2,162 | 1,575 |
| Yates | 3,134 | 603 |
| San Andres | 4,624 | -887 |
| Leonard | — | |
| Strawn | — | |
| Clear Fork | — | |
| Pennsylvanian | — | |
| Glorieta | — |
10 TOPS · FIRST 8
Whiteport 53742-501-37283
0.6 KM · Steward Energy II, LLC · Section with this well →
| Santa Rosa | 1,100 | 2,637 |
| Yates | 3,238 | 499 |
| San Andres | 4,635 | -898 |
| Strawn | — | |
| Wolfcamp | — | |
| Wichita-Albany | — | |
| Clear Fork | — | |
| Glorieta | — |
10 TOPS · FIRST 8
Desperado E 53842-501-36962
0.7 KM · Riley Permian Operating Co, LLC · Section with this well →
| Santa Rosa | 2,151 | 1,570 |
| Yates | 3,132 | 589 |
| San Andres | 4,624 | -903 |
| Leonard | — | |
| Wichita-Albany | — | |
| Wolfcamp | — | |
| Clear Fork | — | |
| Glorieta | — |
10 TOPS · FIRST 8
Lazy Horse 58142-501-36963
0.8 KM · Riley Permian Operating Co, LLC · Section with this well →
| Santa Rosa | 400 | 3,320 |
| Yates | 3,120 | 600 |
| San Andres | 4,580 | -860 |
| Clear Fork | — | |
| Glorieta | — | |
| Leonard | — | |
| Pennsylvanian | — | |
| Strawn | — |
10 TOPS · FIRST 8
Lazy Horse 581-600 'C'42-501-36965
0.8 KM · Riley Permian Operating Co, LLC · Section with this well →
| Santa Rosa | 400 | 3,339 |
| Yates | 3,120 | 619 |
| San Andres | 4,580 | -841 |
| Clear Fork | — | |
| Wolfcamp | — | |
| Wichita-Albany | — | |
| Strawn | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Whiteport 53742-501-37025
1.0 KM · Steward Energy II, LLC · Section with this well →
| Santa Rosa | 1,100 | 2,634 |
| Yates | 3,143 | 591 |
| San Andres | 4,595 | -861 |
| Clear Fork | — | |
| Glorieta | — | |
| Pennsylvanian | — | |
| Strawn | — | |
| Wichita-Albany | — |
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/50136768, documented in the API reference.