WELL · 42-161-31580 · DISTRICT 5
Lancaster A #A 4
Freestone County · Dew (Rodessa) field · Producing · Vertical
Lancaster A #A 4 (API 42-161-31580) is a well in Freestone County operated by Corsa Resources LLC, completed September 1, 2006 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 30, 1999, permitted to 8,450 ft.
It was permitted by Anadarko Petroleum Corp. and has since transferred to Corsa Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Glen Rose, Massive Anhydrite (marker), Rodessa.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Anadarko Petroleum Corp.; the EWA schedule now lists a different operator.
- Based in
- Kemah, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 12, 2025
- Permits on file
- 1
- Phone
- (281) 636-2078
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Corsa Resources LLC |
| Production reports | Corsa Resources, LLCthrough Apr 2026 |
| Latest permit | Anadarko Petroleum Corp.Apr 30, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,450
- total depth, ft
- 1
- permits on file
- Apr 30, 1999
- last permit issued
- Sep 1, 2006
- completed
- 0
- cumulative oil, bbl
- 1.88M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 1, 2006
- Shut in
- —
- 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 |
|---|---|---|---|---|---|---|
| Lancaster "A" G-5-173623 | Dew (Rodessa) | Corsa Resources, LLC | 1 | 0 | 1.88M | May 1999 – Jul 2026 |
Gas, mcf lease total
Last 12 months 51,177 · prior 12 3,264(+1468%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Anadarko Petroleum CorporationMay 1999 → Feb 2013
- 2Anadarko E&P Onshore LLCJul 2013 → Jun 2015
- 3Legacy Reserves Operating LPOct 2015 → Jan 2020
- 4Corsa Resources, LLCMar 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 484234-99 | Drill | Anadarko Petroleum Corp. | Apr 30, 1999 | Apr 30, 1999 | May 3, 1999 | 8,450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-5-173623 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 459 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Glen RoseUPPER GLEN ROSE | 6,578 | -6,119 |
| Massive Anhydrite (marker)MASSIVE ANHYDRITE | 8,020 | -7,561 |
| Rodessa | 8,165 | -7,706 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,164 | 8,250 | Perforated |
| 8,242 | 8,250 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,502 | 12.25 | 629 S |
| 5.5 | 8,450 | 7.875 | 210 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 21, 2007 | Sep 27, 2006 | — |
| 00 | Aug 13, 1999 | Jun 23, 1999 | Yes |
| 00 | Aug 2, 1999 | — | — |
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 42-161-31580 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-161-31580 → 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/16131580, documented in the API reference.