WELL · 42-479-36164 · DISTRICT 4
San Ambrosia A #1
Webb County · San Ambrosia (San Miguel-Olmos) field · Vertical
San Ambrosia A #1 (API 42-479-36164) is a plugged well in Webb County, plugged March 26, 2009, last operated by ST. Mary Land & Exploration CO..
The RRC has issued 2 drilling permits between 1994 and 2001, permitted to 5,300 ft.
It was permitted by Lewis Petro Properties, Inc. and has since transferred to ST. Mary Land & Exploration CO. on the wellbore schedule.
Completion filings report 3 formation tops, including Escondido, Olmos, San Miguel.
Operator of record
St. Mary Land & Exploration Co.
Permitted by Lewis Petro Properties, Inc.; the EWA schedule now lists a different operator.
- Based in
- Denver, CO
- P-5 status
- Inactive (I)
- P-5 last filed
- Oct 2, 2009
- Permits on file
- 553
- Phone
- (303) 861-8140
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | St. Mary Land & Exploration Co. |
| Production reports | St. Mary Land & Exploration Co.through Oct 2008 |
| Latest permit | Lewis Petro Properties, Inc.Jul 31, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,300
- total depth, ft
- 2
- permits on file
- Jul 31, 2001
- last permit issued
- Mar 14, 2001
- completed
- 0
- cumulative oil, bbl
- 77.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1994 THROUGH Mar 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 14, 2001
- Shut in
- —
- Plugged
- Mar 26, 2009
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 |
|---|---|---|---|---|---|---|
| San Ambrosia A G-4-153481 | Wildcat | St. Mary Land & Exploration Co. | 1 | 0 | 77.6K | Sep 1994 – Mar 2009 |
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.
- 1Lewis Petro Properties, Inc.Feb 2001 → Oct 2002
- 2Crimson Energy Company, LCNov 2002 → Mar 2004
- 3Huber Energy Panhandle L.P.Jun 2004 → Sep 2004
- 4Huber Energy L.P.Oct 2004 → Sep 2006
- 5Rockford Energy Partners II, LLCAug 2007 → Sep 2007
- 6St. Mary Land & Exploration Co.Oct 2007 → Oct 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 512085-99 | Field transfer | Lewis Petro Properties, Inc. | Jul 31, 2001 | Jul 31, 2001 | Aug 23, 1994 | 4,275 |
| 427078-99 | Drill | Enron Oil & Gas Company | Aug 17, 1994 | Aug 17, 1994 | Aug 22, 1994 | 5,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-153481 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 603 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Escondido | 1,371 | -768 |
| Olmos | 2,503 | -1,900 |
| San Miguel | 4,069 | -3,466 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,221 | 3,234 | Perforated |
| 3,231 | 3,234 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 659 | 12.25 | 260 S |
| 2.875 | 4,258 | 7.875 | 1,104 S |
| 2.5 | 4,260 | — | — |
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 | Oct 23, 2001 | Jun 5, 2001 | — |
| 00 | May 24, 1995 | Feb 2, 1995 | Yes |
| 00 | Apr 3, 1995 | — | — |
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 42-479-36164 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36164 → 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/47936164, documented in the API reference.