WELL · 42-215-31773 · DISTRICT 4
Zamora State #4
Hidalgo County · Flores W. (Vksbrg Geopressure) field · Vertical
Zamora State #4 (API 42-215-31773) is a plugged well in Hidalgo County, plugged June 11, 1999, last operated by Coastal Oil & Gas Corporation.
The RRC has issued 2 drilling permits between 1987 and 1997, permitted to 12,000 ft.
Completion filings report 12 formation tops, including Sulivan 2, Sullivan 2, "O" Sand, "O" Sd..
Operator of record
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Mar 2, 2001
- Permits on file
- 1,543
- Phone
- (713) 420-6346
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Coastal Oil & Gas Corporation |
| Production reports | Greenbrier Oper. Co.through Aug 1996 |
| Latest permit | Coastal Oil & Gas CorporationApr 8, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Apr 8, 1997
- last permit issued
- May 5, 1997
- completed
- 0
- cumulative oil, bbl
- 116K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 5, 1997
- Shut in
- —
- Plugged
- Jun 11, 1999
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 |
|---|---|---|---|---|---|---|
| Zamora State G-4-163788 | Flores, W. (Vksbrg, Geopressure) | Coastal Oil & Gas Corporation | 1 | 0 | 0 | May 1997 – Jun 1999 |
| Zamora-State G-4-126125 | Flores (Vicksburg, Lower) | Coastal Oil & Gas Corporation | 1 | 0 | 116K | Jan 1993 – Jul 1997 |
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.
- 1Greenbrier Oper. Co.Jan 1993 → Aug 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 460866-99 | Recompletion | Coastal Oil & Gas Corporation | Apr 8, 1997 | Apr 8, 1997 | Apr 8, 1997 | 7,850 |
| 332872-99 | Drill | Greenbrier Oper. Co. | Jul 14, 1987 | Jul 22, 1987 | — | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-126125 | — | — | — | — |
| — | — G-4-163788 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 311 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Sulivan 2 | 4,550 | -4,239 |
| Sullivan 2 | 4,550 | -4,239 |
| "O" Sand | 7,300 | -6,989 |
| "O" Sd. | 7,300 | -6,989 |
| "P" Sand | 8,015 | -7,704 |
| "P" Sd. | 8,015 | -7,704 |
| "R" Sand | 8,620 | -8,309 |
| "R" Sd. | 8,620 | -8,309 |
| "S" Sand | 8,930 | -8,619 |
| "S" Sd. | 8,930 | -8,619 |
| "T" Sand | 9,950 | -9,639 |
| "T" Sd. | 9,950 | -9,639 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,432 | 7,732 | Perforated |
| 9,954 | 10,204 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,200 | 17.5 | 790 S |
| 9.625 | 6,292 | 12.25 | 924 S |
| 5.5 | 11,000 | 6.75 | 475 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 | Aug 14, 1997 | Jul 29, 1997 | Yes |
| 00 | Aug 8, 1997 | — | — |
| 00 | Feb 17, 1988 | Jan 6, 1988 | Yes |
| 00 | Jan 28, 1988 | — | — |
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 42-215-31773 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-215-31773 → 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/21531773, documented in the API reference.