TEXAS · WELLS · HARRIS COUNTY · API 42-201-00835 · DISTRICT 03
Tomball GU 6 #1
Harris County · Tomball (Cockfield Upper 5500) field · Vertical
Tomball GU 6 #1 (API 42-201-00835) is a plugged well in Harris County, plugged September 25, 2014, last operated by Tandem Energy Corporation.
The RRC has issued 2 drilling permits between 1995 and 2002, permitted to 5,569 ft.
Completion filings report one formation top, including Upper Cockfield.
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
What each RRC source says
| Wellbore schedule | Tandem Energy Corporation |
| Production reports | Tandem Energy Corporationthrough Sep 2014 |
| Latest permit | Tandem Energy CorporationAug 19, 2002 |
- 5,569
- total depth, ft
- 2
- permits on file
- Aug 19, 2002
- last permit issued
- Jul 1, 2001
- completed
- 0
- cumulative oil, bbl
- 616K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 1, 2001
- Shut in
- —
- Plugged
- Sep 25, 2014
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tomball GU 6 G-3-190128 | Tomball (Cockfield Upper 5500) | Tandem Energy Corporation | 1 | 0 | 616K | Jul 2001 – Sep 2014 |
| Tomball Gas Unit 6 G-3-157867 | Wildcat | Tandem Energy Corporation | 1 | 0 | 0 | Jan 1996 – Jun 2001 |
| Tomball GU 6 G-3-8583 | Tomball (Cockfield Upper 5500) | Exxon Corp. | 1 | 0 | 0 | Jan 1993 – Jan 1996 |
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 CorporationSep 2002 → Sep 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 520613-99 | Recompletion | Tandem Energy Corporation | Jun 4, 2002 | Aug 19, 2002 | Jun 15, 2001 | 5,569 |
| 438033-99 | Recompletion | Exxon Corp. | Jul 19, 1995 | Jul 19, 1995 | Jul 18, 1995 | 4,505 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 1, 2001 | Tomball GU 6 G-3-190128 | Tomball (Cockfield Upper 5500) | Tandem Energy Corporation | Plugged | — |
| Jan 27, 1996 | Tomball Gas Unit 6 G-3-157867 | Wildcat | Tandem Energy Corporation | Plugged | — |
| Apr 27, 1955 | Tomball GU 6 G-3-8583 | Tomball (Cockfield Upper 5500) | Exxon Corp. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,240 | 4,247 | Perforated |
| 5,478 | 5,516 | Perforated |
| 5,486 | 5,504 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 925 | 14 | 370 S |
| 7 | 5,554 | 9.875 | 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 | Oct 1, 2002 | Jun 3, 2002 | Yes |
| 00 | Aug 30, 2002 | — | — |
| 00 | May 21, 1996 | Mar 25, 1996 | — |
| 00 | May 14, 1996 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-201-00835 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-201-00835 → 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/20100835, documented in the API reference.