WELL · 42-479-33017 · DISTRICT 4
Saldivar Estate #4
Webb County · LA Rosita (Lobo) field · Vertical
Saldivar Estate #4 (API 42-479-33017) is a plugged well in Webb County, plugged February 2, 1998, last operated by Conoco Inc..
The RRC has issued one drilling permit, issued April 24, 1981, permitted to 11,880 ft.
It was permitted by Mesa Petroleum CO. and has since transferred to Conoco Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Wilcox, Lobo Unconformity, Lobo 1, Lobo 6.
Operator of record
Permitted by Mesa Petroleum Co.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Aug 1, 2011
- Permits on file
- 4,644
- Phone
- (281) 293-5562
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Conoco Inc. |
| Production reports | Conoco Inc.through Dec 1996 |
| Latest permit | Mesa Petroleum Co.Apr 24, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,880
- total depth, ft
- 1
- permits on file
- Apr 24, 1981
- last permit issued
- Oct 30, 1981
- completed
- 0
- cumulative oil, bbl
- 45.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 1998
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 30, 1981
- Shut in
- —
- Plugged
- Feb 2, 1998
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 |
|---|---|---|---|---|---|---|
| Saldivar Estate G-4-98207 | LA Rosita (Lobo) | Conoco Inc. | 1 | 0 | 45.2K | Jan 1993 – Feb 1998 |
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.
- 1Conoco Inc.Jan 1993 → Dec 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 115976-99 | Drill | Mesa Petroleum Co. | Apr 24, 1981 | Apr 24, 1981 | Jun 6, 1981 | 11,880 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-98207 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 18 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,446 | 10,460 | Perforated |
| 11,514 | 11,766 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,553 | 14.75 | 1,260 S |
| 7.625 | 7,810 | 9.625 | 1,400 S |
| 2.375 | 11,345 | — | — |
| 5.5 | 11,854 | 6.75 | 300 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 | Jun 28, 1994 | May 11, 1994 | — |
| 00 | Jan 12, 1984 | Dec 3, 1981 | — |
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 42-479-33017 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-33017 → 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/47933017, documented in the API reference.