WELL · 42-321-32017 · DISTRICT 3
Mad Island Unit No. 1 #1
Matagorda County · Mad Island (Lower Frio) field · Directional
Mad Island Unit NO. 1 #1 (API 42-321-32017) is a plugged well in Matagorda County, plugged March 15, 2023, last operated by Caskids Operating Company.
The RRC has issued 2 drilling permits between 2004 and 2011, permitted to 20,000 ft.
Completion filings report 4 formation tops, including Discorbis Gravelli, Frio, Textularia Mississippi Ensis, Textularia Mississippiensis.
Operator of record
Houston, TX · P-5 Y, filed Apr 4, 2026 · 80 permits on file · (713) 249-4815
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Caskids Operating Company |
| Production reports | Caskids Operating Companythrough Mar 2015 |
| Latest permit | Caskids Operating CompanySep 28, 2011 |
- 20,000
- total depth, ft
- 2
- permits on file
- Sep 28, 2011
- last permit issued
- Mar 30, 2013
- completed
- 0
- cumulative oil, bbl
- 418K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 30, 2013
- Shut in
- —
- Plugged
- Mar 15, 2023
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 |
|---|---|---|---|---|---|---|
| Mad Island Unit No. 1 G-3-212789 | Mad Island (Lower Frio) | Caskids Operating Company | 1 | 0 | 418K | May 2005 – 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.
- 1EL Paso Production Oil & Gas Co.May 2005 → Feb 2006
- 2Zenergy, Inc.Dec 2006 → Aug 2007
- 3Pegasus Exploration, LLCSep 2007 → Jun 2010
- 4Ops Group LimitedJul 2010 → Jul 2011
- 5Caskids Operating CompanyOct 2014 → Mar 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 724752-99 | Recompletion | Caskids Operating Company | Sep 21, 2011 | Sep 28, 2011 | Sep 22, 2011 | 19,000 |
| 548135-99 | Drill | EL Paso Production Oil & Gas Co. | Jul 12, 2004 | Jul 14, 2004 | Aug 6, 2004 | 20,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-212789 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 4 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Discorbis Gravelli | 6,710 | -6,706 |
| FrioFRIO UPPER | 9,420 | -9,416 |
| Textularia Mississippi Ensis | 17,420 | -17,416 |
| Textularia Mississippiensis | 17,420 | -17,416 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 16,192 | 16,198 | Perforated |
| 17,619 | 20,428 | Perforated |
| 19,523 | 19,553 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 2,980 | 27.5 | 5,100 S |
| 13.625 | 7,700 | 17.5 | 3,700 S |
| 5 | 16,882 | 6.75 | 690 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 17, 2016 | May 7, 2015 | — |
| 00 | Feb 4, 2016 | Dec 4, 2013 | Yes |
| 00 | May 18, 2007 | Feb 16, 2007 | — |
| 00 | Feb 27, 2006 | Jul 5, 2005 | Yes |
| 00 | Dec 21, 2005 | — | 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 42-321-32017 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-32017 → 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/32132017, documented in the API reference.