WELL · 42-505-31680 · DISTRICT 4
State Tract M-88890 #1S
Zapata County · J.C. Martin W. (Lobo 7600) field · Vertical
State Tract M-88890 #1S (API 42-505-31680) is a plugged well in Zapata County, plugged August 18, 1990, last operated by Coastal Oil & Gas Corporation.
The RRC has issued one drilling permit, issued August 13, 1984, permitted to 9,610 ft.
Completion filings report 4 formation tops, including Queen City, Carrizo, Wilcox, Lower Wwlcox Unconformity.
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 | none |
| Latest permit | Coastal Oil & Gas CorporationAug 13, 1984 |
- 9,610
- total depth, ft
- 1
- permits on file
- Aug 13, 1984
- last permit issued
- Nov 12, 1984
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 12, 1984
- Shut in
- —
- Plugged
- Aug 18, 1990
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 |
|---|---|---|---|---|---|---|
| — G-4-114653 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 251119-99 | Drill | Coastal Oil & Gas Corporation | Nov 28, 1984 | Aug 13, 1984 | — | 9,610 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-114653 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 340 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 1,230 | -890 |
| CarrizoCARRIZO WILCOX | 3,640 | -3,300 |
| WilcoxLOWER WILCOX UNCONF. | 7,520 | -7,180 |
| Lower Wwlcox Unconformity | 7,520 | -7,180 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,965 | 8,132 | Perforated |
| 7,965 | 8,134 | Perforated |
| 8,504 | 8,573 | Perforated |
| 8,898 | 9,042 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 315 | 12.25 | 160 S |
| 7 | 6,380 | 8.75 | 305 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 | Oct 21, 1987 | Jul 9, 1987 | — |
| 00 | Feb 12, 1985 | Nov 28, 1984 | — |
| 00 | Feb 5, 1985 | Nov 12, 1984 | — |
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 42-505-31680 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-31680 → 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/50531680, documented in the API reference.