WELL · 42-131-38811 · DISTRICT 4
Marchbanks-Cadena GU#1 #122
Duval County · Orcones (Frio-Vksbg Cons.) field · Vertical
Marchbanks-Cadena GU#1 #122 (API 42-131-38811) is a plugged well in Duval County, plugged April 8, 2021, last operated by Green Exploration Company.
The RRC has issued one drilling permit, issued June 3, 2005, permitted to 6,200 ft.
It was permitted by Magnum Producing, LP and has since transferred to Green Exploration Company on the wellbore schedule.
Completion filings report 4 formation tops, including Hockley, Top Of Hockley, Hiawatha, Top Of Hiawatha.
Its 2 leases have reported 7.96K barrels of oil and 14.2K mcf of gas since May 2005, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Magnum Producing, LP; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed Sep 4, 2025 · (512) 914-8109
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Green Exploration Company |
| Production reports | Voyager Gas Corporationthrough Sep 2010 |
| Latest permit | Magnum Producing, LPJun 3, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,200
- total depth, ft
- 1
- permits on file
- Jun 3, 2005
- last permit issued
- Nov 12, 2008
- completed
- 7.96K
- cumulative oil, bbl
- 14.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 12, 2008
- Shut in
- —
- Plugged
- Apr 8, 2021
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 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Marchbanks-Cadena GU#1 O-4-13326 | Orcones (Frio-Vksbg Cons.) | Green Exploration Company | 2 | 4.09K | 14.2K | Jan 2006 – Jul 2026 |
| Marchbanks-Cadena O-4-13313 | Atlee | Magnum Producing, LP | 3 | 3.87K | 0 | May 2005 – May 2006 |
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.
- 1Magnum Producing, LPMay 2005 → May 2006
- 2Voyager Gas CorporationJun 2006 → Sep 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 601534-99 | Drill | Magnum Producing, LP | Jun 2, 2005 | Jun 3, 2005 | Jun 17, 2005 | 6,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-13313 | — | — | — | — |
| — | — O-4-13326 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 380 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Hockley | 4,950 | -4,570 |
| Top of Hockley | 4,950 | -4,570 |
| Hiawatha | 5,800 | -5,420 |
| Top of Hiawatha | 5,800 | -5,420 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,936 | 4,946 | Perforated |
| 5,012 | 5,018 | Perforated |
| 6,108 | 6,121 | Perforated |
| 6,126 | 6,129 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 665 | 12.25 | 268 S |
| 4.5 | 6,163 | 7.875 | 700 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 2, 2009 | Apr 9, 2009 | — |
| 00 | May 7, 2007 | Mar 1, 2007 | — |
| 00 | Feb 28, 2006 | Sep 30, 2005 | Yes |
| 00 | Jan 17, 2006 | — | — |
| 00 | Dec 16, 2005 | — | — |
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 42-131-38811 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-38811 → 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/13138811, documented in the API reference.