WELL · 42-505-31920 · DISTRICT 4
Martinez Arco M. #2
Zapata County · Las Ovejas SW (Lobo) field · Vertical
Martinez Arco M. #2 (API 42-505-31920) is a well in Zapata County operated by Arco Oil & Gas CO., completed January 22, 1985.
The RRC has issued 2 drilling permits between 1984 and 1990, permitted to 13,200 ft.
Completion filings report 2 formation tops, including Queen City, Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Plano, TX · P-5 Y, filed Oct 7, 2005 · 3,065 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Arco Oil & Gas Co. |
| Production reports | Blackbeard Operating, LLCthrough Mar 2020 |
| Latest permit | Arco Oil & Gas Co.Jul 17, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,200
- total depth, ft
- 2
- permits on file
- Jul 17, 1990
- last permit issued
- Jan 22, 1985
- completed
- 0
- cumulative oil, bbl
- 737K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 22, 1985
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Martinez, M. G-4-136399 | Pok - a - Dot (8600) | Varas Energy Operating Company, | 1 | 0 | 737K | Jan 1993 – Jul 2026 |
| — G-4-115024 | — | — | 0 | 0 | 0 | — |
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.
- 1Enron Oil & Gas CompanyJan 1993 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Jul 2013
- 3Bluestone Natural Res. II, LLCAug 2013 → Dec 2019
- 4Blackbeard Operating, LLCMar 2020 → Mar 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 375543-99 | Recompletion | Arco Oil & Gas Co. | Jul 16, 1990 | Jul 17, 1990 | Jun 25, 1990 | 10,600 |
| 252526-99 | Drill | Arco Oil & Gas Co. | Sep 24, 1984 | Sep 25, 1984 | Oct 27, 1984 | 13,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-115024 | — | — | — | — |
| — | — G-4-136399 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 490 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 2,930 | -2,440 |
| Wilcox | 5,450 | -4,960 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,010 | 9,028 | Perforated |
| 9,073 | 9,085 | Perforated |
| 9,166 | 9,175 | Perforated |
| 11,333 | 11,355 | Perforated |
| 11,692 | 11,731 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,005 | 12.25 | 450 S |
| 7 | 7,980 | 8.5 | 1,100 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 | Feb 21, 1991 | Nov 21, 1990 | Yes |
| 00 | Jan 9, 1991 | — | — |
| 00 | Mar 6, 1985 | Feb 18, 1985 | Yes |
| 00 | Mar 1, 1985 | Jan 30, 1985 | — |
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 42-505-31920 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-31920 → 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/50531920, documented in the API reference.