WELL · 42-489-31277 · DISTRICT 4
Thomas Unit #3
Willacy County · Riggan (8500) field · Vertical
Thomas Unit #3 (API 42-489-31277) is a well in Willacy County operated by Dewbre Petroleum Corporation, completed June 13, 2014.
The RRC has issued 2 drilling permits between 2014 and 2015, permitted to 9,200 ft.
Completion filings report 3 formation tops, including Frio, Catahoula, Miocene (undifferentiated).
Its 2 leases have reported 139K barrels of oil and 77.3K mcf of gas since June 2014, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Corpus Christ, TX · P-5 Y, filed Sep 4, 2025 · 366 permits on file · (361) 888-7978
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dewbre Petroleum Corporation |
| Production reports | Dewbre Petroleum Corporationthrough Apr 2026 |
| Latest permit | Dewbre Petroleum CorporationAug 17, 2015 |
- 9,200
- total depth, ft
- 2
- permits on file
- Aug 17, 2015
- last permit issued
- Jun 13, 2014
- completed
- 139K
- cumulative oil, bbl
- 77.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 13, 2014
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Thomas Oil Unit O-4-13963 | Riggan (F-8) | Dewbre Petroleum Corporation | 1 | 139K | 77.3K | Jun 2014 – Jul 2026 |
| Thomas Unit O-4-13908 | Riggan (8500) | Dewbre Petroleum Corporation | 1 | 0 | 0 | Jun 2014 – Oct 2015 |
Oil, barrels lease total
Last 12 months 9,921 · prior 12 2,247(+342%)
Gas, mcf lease total
Last 12 months 1,638 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dewbre Petroleum CorporationJun 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 809141-99 | Field transfer | Dewbre Petroleum Corporation | Aug 4, 2015 | Aug 17, 2015 | Apr 15, 2014 | 9,200 |
| 781389-99 | Drill | Dewbre Petroleum Corporation | Mar 5, 2014 | Apr 1, 2014 | Apr 15, 2014 | 9,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-13908 | — | — | — | — |
| — | — O-4-13963 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 48 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Frio | 6,690 | -6,642 |
| CatahoulaCATAHOULA-ANAHUAC - H2S | — | — |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | — | — |
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,414 | 8,422 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,495 | 12.25 | 435 S |
| 4.5 | 9,075 | 8.75 | 558 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 6, 2015 | Aug 18, 2015 | — |
| 00 | May 28, 2015 | Jun 17, 2014 | 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 42-489-31277 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-489-31277 → 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.
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/48931277, documented in the API reference.