WELL · 42-283-37846 · DISTRICT 1
Washburn Ranch 01 #21H
LA Salle County · Horizontal
Washburn Ranch 01 #21H (API 42-283-37846) is a permitted horizontal well in La Salle County filed by Silverbow Resources Oper, LLC; no completion report is on file yet.
The RRC has issued one drilling permit (amended once), issued October 9, 2025, permitted to 11,000 ft.
Completion filings report 10 formation tops, including Midway, Escondido, Olmos, Navarro.
Operator of record
Houston, TX · P-5 Y, filed Mar 4, 2026 · 460 permits on file · (469) 575-3805
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Silverbow Resources Oper, LLCOct 9, 2025 |
- 11,000
- total depth, ft
- 2
- permits on file
- Oct 9, 2025
- last permit issued
- —
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
28.397775, -98.878367
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in LA Salle County.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 910935-98 | Drill | Silverbow Resources Oper, LLC | Sep 25, 2026 | Oct 9, 2025 | Nov 24, 2025 | 11,000 |
| 910935-99 | Drill | Silverbow Resources Oper, LLC | Oct 6, 2025 | Oct 9, 2025 | Nov 24, 2025 | 9,000 |
Formation tops
As filed on W-2/G-1. Subsea from 446 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 5,726 | -5,280 |
| Escondido | 6,819 | -6,373 |
| OlmosOLMOS - DISPOSAL | 7,807 | -7,361 |
| Navarro | 9,163 | -8,717 |
| Annacacho | 9,424 | -8,978 |
| Austin Chalk | 9,931 | -9,485 |
| Queen City | — | — |
| Sparta | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,237 | 27,469 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,757 | 12.25 | 1,914 S |
| 5.5 | 27,513 | 8.75 | 4,316 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 | Oct 20, 2026 | Sep 7, 2026 | 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 42-283-37846 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-37846 → 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.
Washburn Ranch 0142-283-37847
0.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Midway | 5,733 | -5,287 |
| Escondido | 6,825 | -6,379 |
| Olmos | 7,802 | -7,356 |
| Navarro | 9,160 | -8,714 |
| Annacacho | 9,425 | -8,979 |
| Austin Chalk | 9,941 | -9,495 |
| Sparta | — | |
| Yegua | — |
10 TOPS · FIRST 8
Washburn Ranch 0142-283-37841
0.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Midway | 5,729 | -5,283 |
| Escondido | 6,790 | -6,344 |
| Olmos | 7,747 | -7,301 |
| Navarro | 9,028 | -8,582 |
| Annacacho | 9,371 | -8,925 |
| Austin Chalk | 9,896 | -9,450 |
| Queen City | — | |
| Yegua | — |
10 TOPS · FIRST 8
Naylor Jones Unit 18542-283-36455
2.7 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 403 | -37 |
| Sparta | 1,057 | -691 |
| Queen City | 1,329 | -963 |
| Wilcox | 2,907 | -2,541 |
| Carrizo | 2,908 | -2,542 |
| Escondido | 5,540 | -5,174 |
| Olmos | 7,586 | -7,220 |
| Anacacho | 9,147 | -8,781 |
12 TOPS · FIRST 8
Naylor Jones Unit 18542-283-36454
2.7 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 411 | -45 |
| Sparta | 1,065 | -699 |
| Queen City | 1,337 | -971 |
| Wilcox | 2,915 | -2,549 |
| Carrizo | 2,916 | -2,550 |
| Escondido | 5,540 | -5,174 |
| Olmos | 7,590 | -7,224 |
| Anacacho | 9,124 | -8,758 |
10 TOPS · FIRST 8
Silverbrite A42-283-36685
3.0 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 372 | -5 |
| Sparta | 1,026 | -659 |
| Queen City | 1,298 | -931 |
| Escondido | 2,876 | -2,509 |
| Wilcox | 2,876 | -2,509 |
| Carrizo | 2,877 | -2,510 |
| Olmos | 7,539 | -7,172 |
| Anacacho | 9,071 | -8,704 |
12 TOPS · FIRST 8
Silverbrite B42-283-36686
3.0 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 371 | -5 |
| Sparta | 1,025 | -659 |
| Queen City | 1,297 | -931 |
| Escondido | 2,875 | -2,509 |
| Wilcox | 2,875 | -2,509 |
| Carrizo | 2,876 | -2,510 |
| Olmos | 7,538 | -7,172 |
| Anacacho | 9,078 | -8,712 |
12 TOPS · FIRST 8
Silverbrite C42-283-36687
3.0 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 372 | -6 |
| Sparta | 1,026 | -660 |
| Queen City | 1,298 | -932 |
| Wilcox | 2,876 | -2,510 |
| Escondido | 2,876 | -2,510 |
| Carrizo | 2,877 | -2,511 |
| Olmos | 7,540 | -7,174 |
| Anacacho | 9,087 | -8,721 |
10 TOPS · FIRST 8
Silverbrite D42-283-36688
3.0 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 371 | -5 |
| Sparta | 1,025 | -659 |
| Queen City | 1,297 | -931 |
| Escondido | 2,875 | -2,509 |
| Wilcox | 2,875 | -2,509 |
| Carrizo | 2,876 | -2,510 |
| Olmos | 7,539 | -7,173 |
| Anacacho | 9,060 | -8,694 |
12 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/28337846, documented in the API reference.