WELL · 42-321-31522 · DISTRICT 3
State Tract 181 #4
Matagorda County · Matagorda Bay S (Miocene 3600) field · Vertical
State Tract 181 #4 (API 42-321-31522) is a plugged well in Matagorda County, plugged December 16, 2012, last operated by Matagorda Operating Company.
The RRC has issued 2 drilling permits (amended once) between 1986 and 1997, permitted to 4,237 ft.
Completion filings report 3 formation tops, including 2750 Miocene, 3600 Miocene, 4100 Miocene.
Operator of record
Kilgore, TX · P-5 Y, filed Jun 8, 2007 · 5 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Matagorda Operating Company |
| Production reports | Matagorda Operating Companythrough Jun 1999 |
| Latest permit | Matagorda Operating CompanyMay 16, 1997 |
- 4,237
- total depth, ft
- 3
- permits on file
- May 16, 1997
- last permit issued
- Sep 19, 1990
- completed
- 0
- cumulative oil, bbl
- 36.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 19, 1990
- Shut in
- —
- Plugged
- Dec 16, 2012
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 |
|---|---|---|---|---|---|---|
| State Tract 181 G-3-172966 | Wildcat | Sterling Expl. & Prod. Co., LLC | 1 | 0 | 810 | May 1997 – Dec 2012 |
| State Tract 181 G-3-122740 | Matagorda Bay, S (Miocene 3600) | Matagorda Operating Company | 1 | 0 | 35.6K | Jan 1993 – Aug 2000 |
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.
- 1Matagorda Operating CompanyNov 1997 → Jun 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 461962-99 | Recompletion | Matagorda Operating Company | May 5, 1997 | May 16, 1997 | May 9, 1997 | 4,237 |
| 305739-98 | Drill | Sonora Exploration Corporation | Dec 4, 1986 | Aug 28, 1986 | — | 4,237 |
| 305739-99 | Drill | Sonora Exploration Corporation | Aug 27, 1986 | Aug 28, 1986 | — | 4,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-122740 | — | — | — | — |
| — | — G-3-172966 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 27 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| 2750 Miocene | 2,784 | -2,757 |
| 3600 Miocene | 3,647 | -3,620 |
| 4100 Miocene | 4,109 | -4,082 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,686 | 2,702 | Perforated |
| 3,648 | 3,654 | Perforated |
| 3,648 | 3,658 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 240 | — | — |
| 9.625 | 1,045 | 12.25 | 370 S |
| 5.5 | 4,215 | 8.75 | 325 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 | Sep 13, 2002 | Oct 30, 1997 | Yes |
| 00 | Jun 8, 1999 | — | — |
| 00 | May 16, 1991 | Jan 11, 1991 | — |
| 00 | Jan 2, 1987 | Nov 12, 1986 | Yes |
| 00 | Dec 11, 1986 | — | — |
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 42-321-31522 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-31522 → 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/32131522, documented in the API reference.