WELL · 42-505-32659 · DISTRICT 4
Marshall S.G. #19
Zapata County · Pok - a - Dot (8600) field · Producing · Vertical
Marshall S.G. #19 (API 42-505-32659) is a well in Zapata County operated by Mountain V Texas LLC, completed June 27, 1990 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 27, 1990, permitted to 10,600 ft.
It was permitted by Arco Oil & Gas CO. and has since transferred to Mountain V Texas LLC on the wellbore schedule.
Completion filings report one formation top, including Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Arco Oil & Gas Co.; the EWA schedule now lists a different operator.
Buckhannon, WV · P-5 Y, filed Jun 4, 2026 · (304) 472-1613
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mountain V Texas LLC |
| Production reports | Mountain V Texas, LLCthrough Apr 2026 |
| Latest permit | Arco Oil & Gas Co.Mar 27, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,600
- total depth, ft
- 1
- permits on file
- Mar 27, 1990
- last permit issued
- Jun 27, 1990
- completed
- 0
- cumulative oil, bbl
- 749K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 27, 1990
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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, S.G. G-4-135145 | Pok - a - Dot (8600) | Mountain V Texas, LLC | 1 | 0 | 749K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 6,290 · prior 12 6,358(-1%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyJan 1993 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Aug 2016
- 3Smith Production Inc.Sep 2016 → Mar 2026
- 4Mountain V Texas, LLCApr 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 371372-99 | Drill | Arco Oil & Gas Co. | Mar 23, 1990 | Mar 27, 1990 | — | 10,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-135145 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 528 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxMIDDLE WILCOX | 8,640 | -8,112 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,671 | 8,680 | Perforated |
| 8,671 | 9,179 | Perforated |
| 8,686 | 8,697 | Perforated |
| 8,793 | 8,812 | Perforated |
| 9,052 | 9,068 | Perforated |
| 9,159 | 9,179 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,038 | 12.25 | 410 S |
| 7 | 7,624 | 8.75 | 200 S |
| 2.875 | 9,610 | 6 | 390 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 | Jul 23, 2003 | Jun 27, 2003 | — |
| 00 | Sep 11, 1990 | Aug 10, 1990 | Yes |
| 00 | Sep 10, 1990 | Jul 6, 1990 | — |
| 00 | Jul 31, 1990 | — | — |
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 42-505-32659 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-32659 → 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/50532659, documented in the API reference.