WELL · 42-409-33130 · DISTRICT 4
Hay Day Unit #1
San Patricio County · Directional
Hay Day Unit #1 (API 42-409-33130) is a permitted well in San Patricio County filed by Sandalwood Exploration, L.P.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 2021 and 2023, permitted to 9,085 ft.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Catahoula, Vicksburg.
Operator of record
Houston, TX · P-5 Y, filed Oct 4, 2025 · 118 permits on file · (713) 557-5504
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Sandalwood Exploration, L.P.through Jul 2023 |
| Latest permit | Sandalwood Exploration, L.P.Jul 12, 2023 |
- 9,085
- total depth, ft
- 2
- permits on file
- Jul 12, 2023
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 742K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2021 THROUGH Jun 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
27.983190, -97.483505
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in San Patricio 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hay Day Unit G-4-295309 | Sodville, West (7100) | Sandalwood Exploration, L.P. | 1 | 0 | 368K | Nov 2022 – Jun 2024 |
| Hay Day Unit G-4-291644 | Sodville (8800' Risen) | Sandalwood Exploration, L.P. | 1 | 0 | 374K | Jun 2021 – Nov 2022 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sandalwood Exploration, L.P.Sep 2021 → Jul 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 886876-99 | Recompletion | Sandalwood Exploration, L.P. | Dec 28, 2022 | Jul 12, 2023 | Nov 8, 2022 | 9,085 |
| 868500-99 | Drill | Sandalwood Exploration, L.P. | Mar 19, 2021 | Mar 22, 2021 | Mar 24, 2021 | 9,049 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-291644 | — | — | — | — |
| — | — G-4-295309 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 56 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC | 800 | -744 |
| CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI | 4,369 | -4,313 |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | 5,271 | -5,215 |
| Vicksburg | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,242 | 7,247 | Perforated |
| 9,172 | 9,197 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,705 | 12.25 | 695 S |
| 5.5 | 9,403 | 8.75 | 590 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 | Aug 21, 2023 | Jul 17, 2023 | — |
| 00 | Dec 16, 2021 | Jul 19, 2021 | 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 42-409-33130 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-33130 → 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.
Frwl42-409-33135
6.4 KM · Poco LLC · Section with this well →
| Miocene (undifferentiated) | 100 | -48 |
| Catahoula | 3,605 | -3,553 |
| Vicksburg | — | |
| Catahoula | — |
Southwest Texas Corp42-409-33116
6.9 KM · Wapiti Operating, LLC · Section with this well →
| Miocene (undifferentiated) | 100 | -50 |
| Catahoula | 3,563 | -3,513 |
| Catahoula | 3,563 | -3,513 |
| Greta | 4,188 | -4,138 |
| Sinton | 5,518 | -5,468 |
| Basil Frio | 7,199 | -7,149 |
| Frio | 7,199 | -7,149 |
| Vicksburg | 8,106 | -8,056 |
Dungan-Key Trust42-409-33122
8.7 KM · Wapiti Operating, LLC · Section with this well →
| Miocene (undifferentiated) | 3,050 | -2,985 |
| Catahoula | 3,050 | -2,985 |
| Catahoula | 4,360 | -4,295 |
| Vicksburg | 7,050 | -6,985 |
Nye42-409-33060
8.9 KM · Nye Exploration & Prod, L.L.C. · Section with this well →
| Miocene (undifferentiated) | 1,170 | -1,120 |
| Catahoula | 2,900 | -2,850 |
| Catahoula | 3,990 | -3,940 |
| Vicksburg | — |
LLD-Moonraker Unit42-409-33133
9.0 KM · Poco LLC · Section with this well →
| Miocene (undifferentiated) | 100 | -23 |
| Catahoula | 3,800 | -3,723 |
| Catahoula | 4,880 | -4,803 |
| Vicksburg | 8,350 | -8,273 |
Dungan-Key Trust42-409-33104
9.0 KM · Wapiti Operating, LLC · Section with this well →
| Catahoula | 3,050 | -2,988 |
| Miocene (undifferentiated) | 3,050 | -2,988 |
| Catahoula | 4,360 | -4,298 |
| Vicksburg | 7,050 | -6,988 |
LLD-Moonraker Unit42-409-33126
9.2 KM · Poco LLC · Section with this well →
| Miocene (undifferentiated) | 100 | -23 |
| Catahoula | 3,800 | -3,723 |
| Catahoula | 4,880 | -4,803 |
| Vicksburg | 8,350 | -8,273 |
Baylor Whatley Unit42-409-32788
9.3 KM · Poco LLC · Section with this well →
| Catahoula | 3,616 | -3,538 |
| Frio | 3,890 | -3,812 |
| Sinton | 5,460 | -5,382 |
| Frio | 6,952 | -6,874 |
| Hightower | 7,174 | -7,096 |
| Miocene (undifferentiated) | — | |
| Catahoula | — | |
| Vicksburg | — |
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/40933130, documented in the API reference.