WELL · 42-479-40924 · DISTRICT 1
San Ambrosia D #4H
Webb County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
San Ambrosia D #4H (API 42-479-40924) is a horizontal well in Webb County operated by SM Energy Company, completed September 12, 2016 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 21, 2010, permitted to 9,500 ft.
It was permitted by ST. Mary Land & Exploration CO. and has since transferred to SM Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by St. Mary Land & Exploration Co.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Jul 4, 2026 · 2,485 permits on file · (432) 563-8316
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | SM Energy Company |
| Production reports | SM Energy Companythrough Apr 2026 |
| Latest permit | St. Mary Land & Exploration Co.May 21, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- May 21, 2010
- last permit issued
- Sep 12, 2016
- completed
- 0
- cumulative oil, bbl
- 1.1M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 12, 2016
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 D G-1-259598 | Briscoe Ranch (Eagleford) | SM Energy Company | 1 | 0 | 1.1M | Sep 2010 – Jul 2026 |
Gas, mcf lease total
Last 12 months 25,247 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1SM Energy CompanySep 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 696290-99 | Drill | St. Mary Land & Exploration Co. | May 19, 2010 | May 21, 2010 | Jul 1, 2010 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-259598 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 729 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 5,874 | -5,145 |
| Austin Chalk | 6,220 | -5,491 |
| Eagle Ford | 6,721 | -5,992 |
| Eagle FordUPPER EAGLEFORD | 6,721 | -5,992 |
| Eagle FordLOWER EAGLEFORD | 6,897 | -6,168 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,349 | 12,853 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,966 | 12.25 | 517 S |
| 5.5 | 12,963 | 8.75 | 2,887 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 13, 2022 | Jan 6, 2022 | — |
| 00 | Mar 7, 2017 | Mar 3, 2017 | — |
| 00 | Mar 6, 2017 | Mar 3, 2017 | — |
| 00 | Apr 20, 2011 | Oct 11, 2010 | Yes |
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 42-479-40924 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-40924 → 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/47940924, documented in the API reference.