TEXAS · WELLS · YOAKUM COUNTY · WASSON NORTH CLEARFORK UNIT LEASE · API 42-501-35235 · DISTRICT 7B
Wasson North Clearfork Unit #81R
Yoakum County · Wasson NE. (Clear Fork) field · Injection · Directional
Wasson North Clearfork Unit #81R (API 42-501-35235) is a well in Yoakum County operated by Occidental Permian Ltd., completed April 9, 2024 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued July 25, 2005, permitted to 8,666 ft.
Completion filings report 9 formation tops, including Rustler, Yates, Seven Rivers, Queen.
Its lease has reported 15M barrels of oil and 4.41M mcf of gas since January 1993, last reporting volume in April 2026. The lease carries 193 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 35.8K barrels injected in the 12 months reported through September 2025.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 2, 2026
- Permits on file
- 6,251
- Phone
- (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.Jul 25, 2005 |
- 8,666
- total depth, ft
- 2
- permits on file
- Jul 25, 2005
- last permit issued
- Apr 9, 2024
- completed
- 15M
- cumulative oil, bbl
- 4.41M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 9, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 193 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wasson North Clearfork Unit O-11-62689 | Wasson, NE. (Clear Fork) | Occidental Permian Ltd. | 193 | 15M | 4.41M | Jan 1993 – Apr 2026 |
Oil, barrels lease total
Last 12 months 128,284 · prior 12 153,783(-17%)
Gas, mcf lease total
Last 12 months 138,202 · prior 12 94,108(+47%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Shell Western E&P Inc.Jan 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 |
|---|---|---|---|---|---|---|
| 603854-98 | Drill | Occidental Permian Ltd. | Sep 12, 2005 | Jul 25, 2005 | Oct 28, 2005 | 8,900 |
| 603854-99 | Drill | Occidental Permian Ltd. | Jul 22, 2005 | Jul 25, 2005 | Oct 28, 2005 | 8,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 9, 2024 | Wasson North Clearfork Unit O-11-62689 | Wasson NE. (Clear Fork) | Occidental Permian Ltd. | Injection | 8,666 |
Formation tops
As filed on W-2/G-1. Subsea from 3,539 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 2,405 | 1,134 |
| Yates | 3,207 | 332 |
| Seven Rivers | 3,463 | 76 |
| Queen | 4,000 | -461 |
| Grayburg | 4,398 | -859 |
| San Andres | 4,697 | -1,158 |
| Glorieta | 6,092 | -2,553 |
| Clear ForkUPPER CLEARFORK | 6,301 | -2,762 |
| Clear ForkUPPER CLEARFORK | 6,301 | -2,762 |
| Tubb | 7,712 | -4,173 |
| Clear ForkLOWER CLEARFORK | 7,716 | -4,177 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,832 | 8,292 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 40 | 26 | 130 S |
| 8.625 | 2,445 | 12.25 | 1,150 S |
| 5.5 | 8,731 | 7.875 | 2,450 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 28, 2024 | May 6, 2024 | — |
| 00 | Aug 15, 2024 | Oct 26, 2023 | — |
| 00 | Jun 15, 2006 | Dec 22, 2005 | Yes |
| 00 | Feb 3, 2006 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-501-35235 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-35235 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 35.8K
- bbl, last 12 reported months
- 1.67M
- bbl, all reported
- Sep 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000095720 | H-1 Injection | Active | 2,000 | 2,500 | 6,400–8,600 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 35,757 · prior 12 5,137
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/50135235, documented in the API reference.