WELL · 42-201-31172 · DISTRICT 3
Tomball Gas Unit 9 #15
Harris County · Tomball (Wilcox 8400) field · Temp Abandoned · Vertical
Tomball Gas Unit 9 #15 (API 42-201-31172) is a well in Harris County operated by Tandem Energy Corporation, completed January 16, 1995 and listed as temp abandoned on the RRC schedule, shut in April 1, 2001.
The RRC has issued 2 drilling permits between 1981 and 1992, permitted to 9,498 ft.
It was permitted by Exxon Corp. and has since transferred to Tandem Energy Corporation on the wellbore schedule.
Completion filings report one formation top, including Tomball (Wilcox 8400).
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
- 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 Mar 2001 |
| Latest permit | Exxon Corp.Mar 31, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,498
- total depth, ft
- 2
- permits on file
- Mar 31, 1992
- last permit issued
- Jan 16, 1995
- completed
- 0
- cumulative oil, bbl
- 270K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 16, 1995
- Shut in
- Apr 1, 2001
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Tomball GU 9 G-3-101195 | Tomball (Wilcox 8860, 2ND) | Tandem Energy Corporation | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Tomball Gas Unit 9 G-3-146082 | Tomball (Wilcox 8400) | Tandem Energy Corporation | 1 | 0 | 270K | Jul 1993 – Jul 2026 |
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.
- 1Exxon Corp.Jul 1993 → Jul 1996
- 2MerencoAug 1996 → Dec 1996
- 3Tandem Energy CorporationJan 1997 → Mar 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 397951-99 | Recompletion | Exxon Corp. | Mar 31, 1992 | Mar 31, 1992 | Jun 28, 1993 | 8,800 |
| 110650-99 | Drill | Exxon Corp. | Mar 4, 1981 | Mar 4, 1981 | Mar 18, 1982 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 16, 1995 | Tomball Gas Unit 9 G-3-146082 | Tomball (Wilcox 8400) | Tandem Energy Corporation | Temp Abandoned · shut in Apr 1, 2001 | 9,498 |
| Jul 1, 1993 | Tomball GU 9 G-3-101195 | Tomball (Wilcox 8860 2ND) | Tandem Energy Corporation | Partial Plug · shut in Oct 1, 2000 | 9,498 |
Formation tops
As filed on W-2/G-1. Subsea from 179 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tomball (Wilcox 8400) | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,611 | 8,641 | Perforated |
| 8,662 | 8,674 | Perforated |
| 8,674 | 8,862 | Perforated |
| 8,862 | 8,868 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,938 | 14.75 | 1,735 S |
| 7.625 | 6,775 | 9.875 | 590 S |
| 2.375 | 8,610 | — | — |
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 | Jun 17, 2020 | Aug 20, 2014 | — |
| 00 | Apr 12, 1995 | Mar 30, 1995 | — |
| 00 | Oct 28, 1993 | Aug 3, 1993 | Yes |
| 00 | Aug 12, 1993 | — | — |
| 00 | Jan 12, 1984 | Jul 19, 1982 | — |
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 42-201-31172 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-201-31172 → 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/20131172, documented in the API reference.