WELL · 42-479-35135 · DISTRICT 4
Casso Ltd #3
Webb County · Laredo (Lobo) field · Vertical
Casso Ltd #3 (API 42-479-35135) is a plugged well in Webb County, plugged July 3, 1991, last operated by Sanchez-O Brien Oil & Gas Corp..
The RRC has issued one drilling permit (amended once), issued December 14, 1990, permitted to 9,500 ft.
Completion filings report 3 formation tops, including Carrizo, Wilcox, Lobo.
Operator of record
Sanchez-O Brien Oil & Gas Corp.
Houston, TX · P-5 Y, filed Jul 6, 1998 · 493 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sanchez-O Brien Oil & Gas Corp. |
| Production reports | none |
| Latest permit | Sanchez-O'Brien Oil & Gas Corp.Dec 14, 1990 |
- 9,500
- total depth, ft
- 2
- permits on file
- Dec 14, 1990
- last permit issued
- Jan 22, 1991
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 22, 1991
- Shut in
- —
- Plugged
- Jul 3, 1991
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 |
|---|---|---|---|---|---|---|
| — G-4-137415 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 382408-98 | Drill | Sanchez-O'Brien Oil & Gas Corp. | Feb 13, 1991 | Dec 14, 1990 | — | 9,500 |
| 382408-99 | Drill | Sanchez-O'Brien Oil & Gas Corp. | Dec 14, 1990 | Dec 14, 1990 | Dec 16, 1990 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-137415 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 493 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,189 | 6,202 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 785 | 12.25 | 315 S |
| 7 | 5,987 | 8.75 | 760 S |
| 2.875 | 6,501 | 6.125 | 130 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 | Apr 11, 1991 | Feb 14, 1991 | Yes |
| 00 | Mar 28, 1991 | — | — |
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 42-479-35135 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35135 → 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/47935135, documented in the API reference.