WELL · 42-409-32313 · DISTRICT 4
Roots Jr. W.L. #4
San Patricio County · Taft field · Vertical
Roots JR. W.L. #4 (API 42-409-32313) is a plugged well in San Patricio County, plugged March 29, 1994, last operated by Lampert Exploration Corporation.
The RRC has issued one drilling permit (amended once), issued September 7, 1989, permitted to 4,240 ft.
It was permitted by Dalport Oil Corporation and has since transferred to Lampert Exploration Corporation on the wellbore schedule.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Oakville, Catahoula.
Operator of record
Lampert Exploration Corporation
Permitted by Dalport Oil Corporation; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jun 7, 2002 · 1 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Lampert Exploration Corporation |
| Production reports | Trident Corporationthrough Aug 1993 |
| Latest permit | Dalport Oil CorporationSep 7, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,240
- total depth, ft
- 2
- permits on file
- Sep 7, 1989
- last permit issued
- Oct 10, 1989
- completed
- 0
- cumulative oil, bbl
- 8.51K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 1994
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 10, 1989
- Shut in
- —
- Plugged
- Mar 29, 1994
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 |
|---|---|---|---|---|---|---|
| Roots, Jr. W.L. G-4-132655 | Taft | Lampert Exploration Corporation | 1 | 0 | 8.51K | Jan 1993 – Mar 1994 |
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.
- 1Dalport Oil CorporationJan 1993 → Apr 1993
- 2Trident CorporationMay 1993 → Aug 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 363406-98 | Drill | Dalport Oil Corporation | Dec 4, 1989 | Sep 7, 1989 | — | 4,240 |
| 363406-99 | Drill | Dalport Oil Corporation | Aug 31, 1989 | Sep 7, 1989 | — | 4,240 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-132655 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 50 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 1 | 49 |
| Oakville | 3,256 | -3,206 |
| Catahoula | 3,883 | -3,833 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,945 | 3,949 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 608 | 12.25 | 210 S |
| 4.5 | 4,213 | 8.75 | 310 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 | Mar 21, 1990 | Nov 3, 1989 | Yes |
| 00 | Feb 13, 1990 | — | — |
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 42-409-32313 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-32313 → 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/40932313, documented in the API reference.