WELL · 42-329-30893 · DISTRICT 8
O Brien -B- #1
Midland County · Spraberry (Trend Area) field · Vertical
O Brien -B- #1 (API 42-329-30893) is a plugged well in Midland County, plugged October 14, 2009, last operated by Northstar Operating Company.
The RRC has issued one drilling permit, issued April 3, 1980, permitted to 8,600 ft.
It was permitted by Mwj Producing Company and has since transferred to Northstar Operating Company on the wellbore schedule.
Its lease has reported 104K barrels of oil and 45.5K mcf of gas since January 1993, last reporting in February 2010.
Operator of record
Permitted by MWJ Producing Company; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Sep 6, 2019 · 39 permits on file · (432) 684-5765
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Northstar Operating Company |
| Production reports | Northstar Operating Companythrough Oct 2008 |
| Latest permit | MWJ Producing CompanyApr 3, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,600
- total depth, ft
- 1
- permits on file
- Apr 3, 1980
- last permit issued
- Sep 22, 1990
- completed
- 104K
- cumulative oil, bbl
- 45.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 22, 1990
- Shut in
- —
- Plugged
- Oct 14, 2009
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 |
|---|---|---|---|---|---|---|
| O'Brien -B- O-10-25954 | Spraberry (Trend Area) | Northstar Operating Company | 1 | 104K | 45.5K | Jan 1993 – Feb 2010 |
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.
- 1MWJ Producing CompanyJan 1993 → Jan 1996
- 2Limark CorporationFeb 1996 → Dec 2003
- 3Northstar Operating CompanyJan 2004 → Oct 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 77227-99 | Drill | MWJ Producing Company | Apr 3, 1980 | Apr 3, 1980 | — | 8,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-25954 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,055 | 7,200 | Perforated |
| 7,829 | 8,559 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,095 | 11 | 1,100 S |
| 2.375 | 7,491 | — | — |
| 5.5 | 8,608 | 7.875 | 600 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 | Jan 14, 1991 | Nov 20, 1990 | — |
| 00 | Jan 12, 1984 | Jun 12, 1980 | — |
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 42-329-30893 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-30893 → 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/32930893, documented in the API reference.