WELL · 42-501-31177 · DISTRICT 8
Wasson Odc Unit #509
Yoakum County · Wasson field · Producing · Vertical
Wasson Odc Unit #509 (API 42-501-31177) is a well in Yoakum County operated by Occidental Permian Ltd., completed January 26, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 14, 2017, permitted to 5,400 ft.
Completion filings report 3 formation tops, including Santa Rosa, Yates, San Andres.
Its lease has reported 117M barrels of oil and 293M mcf of gas since January 1993, last reporting in July 2026. The lease carries 848 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2025 · 6,251 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Occidental Permian Ltd. |
| Production reports | Occidental Permian Ltd.through Apr 2026 |
| Latest permit | Occidental Permian Ltd.Dec 14, 2017 |
- 5,400
- total depth, ft
- 1
- permits on file
- Dec 14, 2017
- last permit issued
- Jan 26, 2024
- completed
- 117M
- cumulative oil, bbl
- 293M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 26, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
33.013057, -102.767249
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 lease this well is completed on; they carry 848 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wasson Odc Unit O-11-60000 | Wasson | Occidental Permian Ltd. | 848 | 117M | 293M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,890,196 · prior 12 1,976,337(-4%)
Gas, mcf lease total
Last 12 months 2,931,966 · prior 12 3,123,778(-6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Amoco Production CompanyJan 1993 → Feb 1997
- 2Altura Energy Ltd.Mar 1997 → Apr 2000
- 3Occidental Permian Ltd.May 2000 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 833887-99 | Recompletion | Occidental Permian Ltd. | Dec 5, 2017 | Dec 14, 2017 | Aug 14, 2017 | 5,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-60000 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,547 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaRED BED-SANTA ROSA | 1,100 | 2,447 |
| Yates | 2,800 | 747 |
| San Andres | 4,500 | -953 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,845 | 5,070 | Open hole |
| 4,845 | 5,323 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 450 | 14.75 | 575 S |
| 7 | 4,845 | 8.75 | 1,200 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 | Jun 9, 2025 | May 7, 2025 | — |
| 00 | Mar 21, 2018 | Dec 5, 2017 | — |
| 00 | Apr 27, 2009 | Feb 23, 2009 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-501-31177 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-31177 → 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.
Wasson Odc Unit42-501-37102
0.2 KM · Occidental Permian Ltd. · Section with this well →
| Santa Rosa | 1,634 | |
| Rustler | 2,319 | |
| Yates | 3,109 | |
| Queen | 3,884 | |
| San Andres | 4,490 | |
| Wichita-Albany | — | |
| Leonard | — | |
| Glorieta | — |
10 TOPS · FIRST 8
Wasson Odc Unit42-501-37079
0.3 KM · Occidental Permian Ltd. · Section with this well →
| Santa Rosa | 1,641 | |
| Yates | 3,085 | |
| San Andres | 4,493 | |
| Strawn | — | |
| Wolfcamp | — | |
| Clear Fork | — | |
| Glorieta | — | |
| Leonard | — |
10 TOPS · FIRST 8
Scorpion 342-501-37116
0.3 KM · Occidental Permian Ltd. · Section with this well →
| Santa Rosa | 1,914 | 1,642 |
| Yates | 3,114 | 442 |
| San Andres | 4,536 | -980 |
| Glorieta | 5,911 | -2,355 |
| Leonard | — | |
| Strawn | — | |
| Wichita-Albany | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Wasson Odc Unit42-501-31179
0.3 KM · Occidental Permian Ltd. · Section with this well →
| San Andres | 4,510 | |
| Clear Fork | — | |
| Yates | — | |
| Wolfcamp | — | |
| Wichita-Albany | — | |
| Strawn | — | |
| Glorieta | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Scorpion East42-501-37123
0.4 KM · Occidental Permian Ltd. · Section with this well →
| Santa Rosa | 1,911 | 1,633 |
| Yates | 3,088 | 456 |
| San Andres | 4,492 | -948 |
| Glorieta | 5,852 | -2,308 |
| Clear Fork | — | |
| Wolfcamp | — | |
| Wichita-Albany | — | |
| Strawn | — |
10 TOPS · FIRST 8
Wasson Odc Unit42-501-30616
0.4 KM · Occidental Permian Ltd. · Section with this well →
| Yates | 2,647 | 904 |
| Queen | 3,903 | -352 |
| San Andres | 4,580 | -1,029 |
Wasson Odc Unit42-501-31181
0.4 KM · Occidental Permian Ltd. · Section with this well →
| San Andres | 4,392 | -857 |
Scorpion East42-501-37121
0.5 KM · Occidental Permian Ltd. · Section with this well →
| Santa Rosa | 1,973 | 1,580 |
| Yates | 3,136 | 417 |
| San Andres | 4,464 | -911 |
| Glorieta | 5,822 | -2,269 |
| Wolfcamp | — | |
| Pennsylvanian | — | |
| Leonard | — | |
| 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/50131177, documented in the API reference.