WELL · 42-321-31520 · DISTRICT 3
State Tract 308 #4L
Matagorda County · Oyster Lake W. (4100) field · Vertical
State Tract 308 #4L (API 42-321-31520) is a plugged well in Matagorda County, plugged February 8, 2013, last operated by Main Energy Inc..
The RRC has issued 2 drilling permits (amended once) between 1986 and 1997, permitted to 4,200 ft.
It was permitted by Matagorda Operating Company and has since transferred to Main Energy Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Oyster Lake, W. (3850), Olw (4000), Oyster Lake, W. (4000), Olw (4100).
Operator of record
Permitted by Matagorda Operating Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 2, 2010 · 32 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Main Energy Inc. |
| Production reports | Sterling Expl. & Prod. Co., LLCthrough Nov 2009 |
| Latest permit | Matagorda Operating CompanyFeb 6, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,200
- total depth, ft
- 3
- permits on file
- Feb 6, 1997
- last permit issued
- Sep 3, 1990
- completed
- 0
- cumulative oil, bbl
- 198K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2013
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 3, 1990
- Shut in
- —
- Plugged
- Feb 8, 2013
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| State Tract 308 G-3-164265 | Oyster Lake, W. (3770) | Sterling Expl. & Prod. Co., LLC | 1 | 0 | 198K | Apr 1997 – Feb 2013 |
| State Tract 308 G-3-124965 | Oyster Lake, W. (4100) | Main Energy, Inc. | 1 | 0 | 0 | Jan 1993 – Apr 1997 |
| State Tract 308 G-3-124966 | Oyster Lake, W. (4000) | Main Energy, Inc. | 1 | 0 | 0 | Jan 1993 – Apr 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.
- 1Main Energy, Inc.May 1997 → Oct 2002
- 2Sterling Expl. & Prod. Co., LLCNov 2002 → Nov 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 455332-99 | Recompletion | Matagorda Operating Company | Nov 18, 1996 | Feb 6, 1997 | Apr 18, 1997 | 4,200 |
| 305724-98 | Drill | Sonora Exploration Corporation | Aug 17, 1987 | Aug 27, 1986 | — | 4,200 |
| 305724-99 | Drill | Sonora Exploration Corporation | Aug 27, 1986 | Aug 27, 1986 | — | 4,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-124965 | — | — | — | — |
| — | — G-3-124966 | — | — | — | — |
| — | — G-3-164265 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 38 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Oyster Lake, W. (3850) | 3,776 | -3,738 |
| Olw (4000) | 4,008 | -3,970 |
| Oyster Lake, W. (4000) | 4,014 | -3,976 |
| Olw (4100) | 4,076 | -4,038 |
| Oyster Lake, W. (4100) | 4,076 | -4,038 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,784 | 3,790 | Perforated |
| 4,014 | 4,022 | Perforated |
| 4,076 | 4,080 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 101 | — | — |
| 9.625 | 1,080 | 12.25 | 370 S |
| 5.5 | 4,200 | 8.75 | 190 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 26, 1997 | Sep 23, 1997 | Yes |
| 00 | Sep 15, 1997 | — | — |
| 00 | Feb 13, 1991 | Jan 11, 1991 | — |
| 00 | Sep 25, 1987 | Aug 17, 1987 | Yes |
| 00 | Sep 9, 1987 | — | — |
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 42-321-31520 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-31520 → 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/32131520, documented in the API reference.