WELL · 42-131-35405 · DISTRICT 4
Marshall State #1
Duval County · Hermanas Siete (Wilcox 14500) field · Vertical
Marshall State #1 (API 42-131-35405) is a well in Duval County operated by Hilcorp Energy Company, completed January 24, 1982.
The RRC has issued 2 drilling permits between 1981 and 1998, permitted to 15,500 ft.
Completion filings report one formation top, including Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,454 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Open Choke Exploration, LLCthrough May 2011 |
| Latest permit | Hilcorp Energy CompanyJan 23, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,500
- total depth, ft
- 2
- permits on file
- Jan 23, 1998
- last permit issued
- Jan 24, 1982
- completed
- 0
- cumulative oil, bbl
- 255K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 24, 1982
- Shut in
- —
- Plugged
- —
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Marshall-State G-4-167237 | Hermanas Siete (O-55) | Open Choke Exploration, LLC | 1 | 0 | 138K | Jan 1998 – Jul 2026 |
| Marshall State G-4-97852 | Hermanas Siete (Wilcox 14500) | Hilcorp Energy Company | 1 | 0 | 117K | Jan 1993 – Jan 1998 |
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.
- 1Citrus Energy CorporationJan 1993 → May 1997
- 2Hilcorp Energy CompanyJun 1997 → Aug 1999
- 3Clay Exploration, Inc.Sep 1999 → Apr 2005
- 4Rockwell Energy, LLCJun 2005 → Nov 2008
- 5Open Choke Exploration, LLCDec 2008 → May 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 472587-99 | Recompletion | Hilcorp Energy Company | Jan 23, 1998 | Jan 23, 1998 | Dec 11, 1997 | 14,666 |
| 132440-99 | Drill | Hamilton Brothers Oil Co. | Sep 3, 1981 | Sep 3, 1981 | Sep 9, 1981 | 15,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-97852 | — | — | — | — |
| — | — G-4-167237 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 588 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,252 | 13,280 | Perforated |
| 14,501 | 14,580 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,949 | 17.5 | 1,240 S |
| 13.375 | 1,990 | 17.5 | 1,240 S |
| 9.625 | 9,800 | 12.25 | 1,730 S |
| 9.625 | 9,816 | 12.25 | 1,730 S |
| 2.875 | 13,892 | — | — |
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 | May 5, 1998 | Feb 20, 1998 | Yes |
| 00 | Mar 31, 1998 | — | Yes |
| 00 | Jan 12, 1984 | Feb 16, 1982 | — |
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 42-131-35405 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-131-35405 → 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/13135405, documented in the API reference.