WELL · 42-201-02904 · DISTRICT 3
Stalmach Unit #7
Harris County · Clinton (3700 Sand) field · Vertical
Stalmach Unit #7 (API 42-201-02904) is a plugged well in Harris County, plugged August 16, 1996, last operated by Norwill Investment Corporation.
The RRC has issued one drilling permit, issued August 11, 1986, permitted to 5,512 ft.
It was permitted by Universal Petroleum Corporation and has since transferred to Norwill Investment Corporation on the wellbore schedule.
Operator of record
Norwill Investment Corporation
Permitted by Universal Petroleum Corporation; the EWA schedule now lists a different operator.
Kingwood, TX · P-5 Y, filed Jun 7, 1996
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Norwill Investment Corporation |
| Production reports | none |
| Latest permit | Universal Petroleum CorporationAug 11, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,512
- total depth, ft
- 1
- permits on file
- Aug 11, 1986
- last permit issued
- Aug 19, 1986
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2003
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 19, 1986
- Shut in
- —
- Plugged
- Aug 16, 1996
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 |
|---|---|---|---|---|---|---|
| Stalmach Unit O-3-8204 | Clinton (3700 Sand) | Norwill Investment Corporation | 1 | 0 | 0 | Jan 1993 – Aug 2003 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 305091-99 | Recompletion | Universal Petroleum Corporation | Jul 7, 1986 | Aug 11, 1986 | — | 5,512 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-8204 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,666 | 2,674 | Perforated |
| 3,706 | 3,726 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 512 | 14 | 250 S |
| 8.625 | 512 | — | — |
| 2.375 | 3,589 | — | — |
| 5.5 | 5,465 | 7.875 | 260 S |
| 5.5 | 5,465 | — | — |
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 | Sep 25, 1986 | Sep 9, 1986 | Yes |
| 00 | Jan 12, 1984 | Apr 22, 1966 | — |
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 42-201-02904 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-201-02904 → 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/20102904, documented in the API reference.