WELL · 42-479-35317 · DISTRICT 4
Wright-Richter Unit #7ST
Webb County · Rodriguez (Lobo 6) field · Directional · Sidetrack
Wright-Richter Unit #7ST (API 42-479-35317) is a plugged well in Webb County, plugged January 2, 2000, last operated by Cliffwood Production CO..
The RRC has issued 2 drilling permits between 1991 and 1996, permitted to 7,000 ft.
It was permitted by Sonat Exploration CO. - Houston and has since transferred to Cliffwood Production CO. on the wellbore schedule.
Completion filings report one formation top, including Lobo.
Operator of record
Permitted by Sonat Exploration Co. - Houston; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 13, 2001 · 24 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cliffwood Production Co. |
| Production reports | Sonat Exploration Co. - Houstonthrough Dec 1997 |
| Latest permit | Sonat Exploration Co. - HoustonDec 13, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,000
- total depth, ft
- 2
- permits on file
- Dec 13, 1996
- last permit issued
- Jun 27, 1997
- completed
- 0
- cumulative oil, bbl
- 279K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2000
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 27, 1997
- Shut in
- —
- Plugged
- Jan 2, 2000
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 |
|---|---|---|---|---|---|---|
| Wright-Richter Unit G-4-165866 | Rodriguez (Lobo 6) | Cliffwood Production Co. | 1 | 0 | 212K | Jun 1997 – Jan 2000 |
| Wright G-4-140543 | Aguas Calientes (Lobo 1) | Sonat Exploration Co. - Houston | 1 | 0 | 66.5K | Jan 1993 – Jun 1997 |
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.
- 1TDC Engineering, Inc.Jan 1993 → Feb 1993
- 2Sonat Exploration Company -TylerMar 1993 → Nov 1993
- 3Sonat Exploration Co. - HoustonDec 1993 → Dec 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 456267-99 | Recompletion · sidetrack | Sonat Exploration Co. - Houston | Dec 12, 1996 | Dec 13, 1996 | Apr 30, 1997 | 6,700 |
| 392873-99 | Drill | TDC Engineering, Inc. | Oct 14, 1991 | Oct 14, 1991 | Oct 17, 1991 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-140543 | — | — | — | — |
| — | — G-4-165866 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 435 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo | 6,100 | -5,665 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,105 | 6,167 | Perforated |
| 6,456 | 6,464 | Perforated |
| 6,474 | 6,480 | Perforated |
| 6,496 | 6,520 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 510 | 13.5 | 415 S |
| 7 | 4,950 | 8.75 | 195 S |
| 4.5 | 6,850 | 6.125 | 250 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 | Jan 27, 1998 | Aug 18, 1997 | Yes |
| 00 | Jan 13, 1998 | — | — |
| 00 | Mar 17, 1992 | Dec 20, 1991 | Yes |
| 00 | Feb 13, 1992 | — | — |
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 42-479-35317 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35317 → 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/47935317, documented in the API reference.