WELL · 42-025-33577 · DISTRICT 2
Nse O Brien #4
Bee County · Blanconia (4450) field · Vertical
Nse O Brien #4 (API 42-025-33577) is a plugged well in Bee County, plugged November 9, 2012, last operated by North Shore Energy L.L.C..
The RRC has issued one drilling permit, issued May 21, 2008, permitted to 5,100 ft.
Completion filings report 4 formation tops, including Oakville, Catahoula, Frio, Vicksburg.
Operator of record
Austin, TX · P-5 Y, filed Aug 4, 2025 · 38 permits on file · (512) 797-0153
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | North Shore Energy L.L.C. |
| Production reports | North Shore Energy, L.L.C.through Jun 2012 |
| Latest permit | North Shore Energy, L.L.C.May 21, 2008 |
- 5,100
- total depth, ft
- 1
- permits on file
- May 21, 2008
- last permit issued
- May 30, 2008
- completed
- 0
- cumulative oil, bbl
- 250K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2008 THROUGH Nov 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 30, 2008
- Shut in
- —
- Plugged
- Nov 9, 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 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 |
|---|---|---|---|---|---|---|
| Nse O'Brien G-2-238791 | Blanconia (4450) | North Shore Energy, L.L.C. | 1 | 0 | 250K | May 2008 – Nov 2012 |
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.
- 1North Shore Energy, L.L.C.Jun 2008 → Jun 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 661051-99 | Drill | North Shore Energy, L.L.C. | May 2, 2008 | May 21, 2008 | May 23, 2008 | 5,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-238791 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 86 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,466 | 4,474 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 963 | 12.25 | 360 S |
| 2.875 | 5,100 | 7.875 | 1,245 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 24, 2008 | Aug 7, 2008 | Yes |
| 00 | Sep 12, 2008 | — | — |
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 42-025-33577 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-025-33577 → 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/02533577, documented in the API reference.