TEXAS · WELLS · LA SALLE COUNTY · SOUTH TEXAS SYNDICATE II-A LEASE · API 42-283-31907 · DISTRICT 01
South Texas Syndicate II-A #11
La Salle County · Washburn (Edwards) field · Producing · Vertical
South Texas Syndicate II-A #11 (API 42-283-31907) is a well in La Salle County operated by Crescent Energy Operating LLC, completed September 22, 2006 and listed as producing on the RRC schedule, shut in December 1, 2018.
The RRC has issued one drilling permit (amended once), issued November 7, 2005, permitted to 10,880 ft.
It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Aug 28, 2025
- Permits on file
- 54
- Phone
- (713) 337-4600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Crescent Energy Operating LLC |
| Production reports | Sea Eagle Ford, LLCthrough Nov 2018 |
| Latest permit | Pioneer Natural Res. USA, Inc.Nov 7, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,880
- total depth, ft
- 2
- permits on file
- Nov 7, 2005
- last permit issued
- Sep 22, 2006
- completed
- 0
- cumulative oil, bbl
- 2.87M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 22, 2006
- Shut in
- Dec 1, 2018
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 |
|---|---|---|---|---|---|---|
| South Texas Syndicate II-A G-1-221403 | Washburn (Edwards) | Crescent Energy Operating, LLC | 1 | 0 | 2.87M | Sep 2006 – Jul 2026 |
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.
- 1Pioneer Natural Res. USA, Inc.Sep 2006 → Apr 2018
- 2Sea Eagle Ford, LLCMay 2018 → Nov 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 608919-98 | Drill | Pioneer Natural Res. USA, Inc. | Nov 14, 2005 | Nov 7, 2005 | — | 11,000 |
| 608919-99 | Drill | Pioneer Natural Res. USA, Inc. | Nov 3, 2005 | Nov 7, 2005 | May 8, 2006 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 22, 2006 | South Texas Syndicate II-A G-1-221403 | Washburn (Edwards) | Crescent Energy Operating LLC | Producing · shut in Dec 1, 2018 | 10,880 |
Formation tops
As filed on W-2/G-1. Subsea from 408 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 9,410 | -9,002 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,283 | 10,292 | Perforated |
| 10,312 | 10,356 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,014 | 12.25 | 1,045 S |
| 5.5 | 10,840 | 8.75 | 800 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 7, 2007 | Oct 11, 2006 | Yes |
| 00 | Nov 14, 2006 | — | — |
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 42-283-31907 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-31907 → 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/28331907, documented in the API reference.