WELL · 42-505-35496 · DISTRICT 4
Marshall #1
Zapata County · LA Perla (Lobo Cons.) field · Temp Abandoned · Vertical
Marshall #1 (API 42-505-35496) is a well in Zapata County operated by Protech Oil & Gas Services LLC, completed April 22, 2007 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit, issued February 2, 2006, permitted to 13,000 ft.
It was permitted by Laredo Energy and has since transferred to Protech Oil & Gas Services LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Wilcox, Lobbo Unc., Wills Point.
No lease production has been reported under this well’s leases.
Operator of record
Protech Oil & Gas Services LLC
Permitted by Laredo Energy; the EWA schedule now lists a different operator.
Laredo, TX · P-5 Y, filed May 4, 2026 · (956) 489-0938
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Protech Oil & Gas Services LLC |
| Production reports | Protech Oil & Gas Services, LLCthrough Nov 2017 |
| Latest permit | Laredo EnergyFeb 2, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,000
- total depth, ft
- 1
- permits on file
- Feb 2, 2006
- last permit issued
- Apr 22, 2007
- completed
- 0
- cumulative oil, bbl
- 258K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 22, 2007
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 |
|---|---|---|---|---|---|---|
| Marshall G-4-219528 | LA Perla (Lobo Cons.) | Protech Oil & Gas Services, LLC | 1 | 0 | 258K | Mar 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.
- 1Laredo EnergyMar 2006 → Oct 2006
- 2EL Paso E&P Zapata, L.P.Nov 2006 → Oct 2010
- 3Hibbard Energy, LPNov 2010 → Jun 2013
- 4Protech Oil & Gas Services, LLCJul 2013 → Nov 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 613455-99 | Drill | Laredo Energy | Feb 1, 2006 | Feb 2, 2006 | Feb 5, 2006 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-219528 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 526 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxLOWER WILCOX | 7,800 | -7,274 |
| Lobbo Unc. | 10,200 | -9,674 |
| Wills Point | 11,400 | -10,874 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,640 | 9,658 | Perforated |
| 10,400 | 10,418 | Perforated |
| 11,126 | 11,324 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 760 | 12.25 | 208 S |
| 7 | 7,739 | 8.75 | 160 S |
| 4.5 | 11,499 | 6.125 | 405 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 1, 2007 | May 22, 2007 | — |
| 00 | May 1, 2007 | Feb 9, 2007 | — |
| 00 | Feb 10, 2007 | May 25, 2006 | Yes |
| 00 | Sep 27, 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 42-505-35496 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-35496 → 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/50535496, documented in the API reference.