WELL · 42-201-00586 · DISTRICT 3
Tomball Gas Unit 6 #4
Harris County · Tomball (Cockfield Upper 5500) field · Vertical
Tomball Gas Unit 6 #4 (API 42-201-00586) is a plugged well in Harris County, plugged June 20, 2025, last operated by Tandem Energy Corporation.
The RRC has issued one drilling permit, issued August 2, 2007, permitted to 5,561 ft.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 24, 2026
- Permits on file
- 138
- Phone
- (713) 364-7822
SOURCE · RRC EWA WELLBORE SCHEDULE
- 5,561
- total depth, ft
- 1
- permits on file
- Aug 2, 2007
- last permit issued
- Jan 30, 2008
- completed
- 0
- cumulative oil, bbl
- 21.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2008 THROUGH Jun 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 30, 2008
- Shut in
- —
- Plugged
- Jun 20, 2025
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tomball Gas Unit "6" G-3-254610 | Tomball (Cockfield Upper 5500) | Tandem Energy Corporation | 1 | 0 | 21.4K | Feb 2008 – Jun 2025 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Tandem Energy CorporationApr 2009 → Sep 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 639164-99 | Reenter | Tandem Energy Corporation | May 16, 2007 | Aug 2, 2007 | Dec 13, 2007 | 5,561 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-254610 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,429 | 5,439 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 992 | — | 585 S |
| 7 | 5,555 | — | 200 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 | May 17, 2010 | Nov 6, 2009 | Yes |
| 00 | Feb 18, 2010 | — | — |
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 42-201-00586 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-201-00586 → 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/20100586, documented in the API reference.