WELL · 42-427-33416 · DISTRICT 4
Margo A #2A
Starr County · Margo (C- 2200) field · Producing · Vertical
Margo A #2A (API 42-427-33416) is a well in Starr County operated by Starr Operating LLC, completed January 16, 2004 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 2001 and 2004, permitted to 4,500 ft.
It was permitted by Newgulf Petroleum, LLC and has since transferred to Starr Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Yegua, Cook Mountain, Crockett, Cook Mtn..
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Newgulf Petroleum, LLC; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Jun 4, 2026 · 1 permits on file · (956) 330-1922
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Starr Operating LLC |
| Production reports | Starr Operating, LLCthrough Apr 2026 |
| Latest permit | Newgulf Petroleum, LLCFeb 13, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,500
- total depth, ft
- 2
- permits on file
- Feb 13, 2004
- last permit issued
- Jan 16, 2004
- completed
- 0
- cumulative oil, bbl
- 1.06M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2001 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 16, 2004
- 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 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 |
|---|---|---|---|---|---|---|
| Margo "A" G-4-186800 | Arroyo Grande, W. (Cook Mt.) | Starr Operating, LLC | 1 | 0 | 1.02M | Dec 2001 – Jul 2026 |
| Margo "A" G-4-200449 | Margo (C- 2200) | Starr Operating, LLC | 1 | 0 | 39.3K | Jan 2004 – Jul 2026 |
Gas, mcf lease total
Last 12 months 14,036 · prior 12 15,724(-11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Newgulf Petroleum, LLCJan 2002 → Sep 2017
- 2Starr Operating, LLCOct 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 542022-99 | Recompletion | Newgulf Petroleum, LLC | Feb 13, 2004 | Feb 13, 2004 | Jan 14, 2004 | 4,000 |
| 514546-99 | Drill | Newgulf Petroleum, LLC | Oct 17, 2001 | Oct 17, 2001 | Oct 27, 2001 | 4,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-186800 | — | — | — | — |
| — | — G-4-200449 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 418 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 450 | -32 |
| Cook Mountain | 1,800 | -1,382 |
| Crockett | 2,000 | -1,582 |
| Cook Mtn. | 2,800 | -2,382 |
| Queen City | 3,000 | -2,582 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,234 | 2,244 | Perforated |
| 2,882 | 2,892 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,047 | 12.25 | — |
| 4.5 | 4,312 | 7.875 | 800 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 | May 11, 2004 | Apr 7, 2004 | Yes |
| 00 | May 7, 2004 | Apr 7, 2004 | Yes |
| 00 | Apr 16, 2004 | — | — |
| 00 | Mar 5, 2002 | Jan 18, 2002 | Yes |
| 00 | Feb 11, 2002 | — | — |
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 42-427-33416 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-33416 → 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/42733416, documented in the API reference.