WELL · 42-501-35279 · DISTRICT 8
Willard #4
Yoakum County · Wasson field · Vertical
Willard #4 (API 42-501-35279) is a well in Yoakum County operated by Salty Brine 1 Ltd., completed April 10, 2006.
The RRC has issued 2 drilling permits between 2005 and 2015, permitted to 2,900 ft.
Completion filings report 2 formation tops, including Rustler, Salado.
No lease production has been reported under this well’s leases.
It holds an active disposal or injection permit, with 178K barrels injected in the 12 months reported through September 2025.
Operator of record
Denver City, TX · P-5 Y, filed Jul 4, 2026 · 11 permits on file · (806) 215-1194
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Salty Brine 1 Ltd. |
| Production reports | none |
| Latest permit | Salty Brine 1, Ltd.Jul 24, 2015 |
- 2,900
- total depth, ft
- 2
- permits on file
- Jul 24, 2015
- last permit issued
- Apr 10, 2006
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 10, 2006
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Willard O-11-61410 | Wasson | Wasson Solid Waste Disp Sys Ltd. | 12 | 0 | 0 | Jan 1993 – Jul 2026 |
| Willard O-11-67879 | Wasson | Salty Brine 1, Ltd. | 7 | 0 | 0 | Jul 1997 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 808418-99 | Recompletion | Salty Brine 1, Ltd. | Jul 14, 2015 | Jul 24, 2015 | May 19, 2016 | 2,900 |
| 608253-99 | Drill | Salty Brine 1, Ltd. | Oct 20, 2005 | Nov 1, 2005 | Mar 27, 2006 | 2,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-61410 | — | — | — | — |
| — | — O-11-67879 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,547 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,258 | 2,900 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 351 | 17.5 | 415 S |
| 8.625 | 2,258 | 11 | 675 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 14, 2016 | Sep 7, 2016 | — |
| 00 | Sep 29, 2006 | Apr 12, 2006 | Yes |
| 00 | May 15, 2006 | — | — |
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 42-501-35279 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-501-35279 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 178K
- bbl, last 12 reported months
- 1.34M
- bbl, all reported
- Sep 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000095906 | W-14 Disposal | Active | 5,000 | 500 | 2,258–2,900 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 177,552 · prior 12 193,960(-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/50135279, documented in the API reference.