TEXAS · WELLS · DAWSON COUNTY · O'BRIEN LEASE · API 42-115-32193 · DISTRICT 7B
O Brien #1
Dawson County · Patricia West (Spraberry) field · Vertical
O Brien #1 (API 42-115-32193) is a plugged well in Dawson County, plugged June 23, 2001, last operated by Discovery Operating Inc..
The RRC has issued one drilling permit, issued April 12, 1985, permitted to 9,300 ft.
Completion filings report 3 formation tops, including San Andres, Spraberry, Jo Mills.
Its lease has reported 6.67K barrels of oil and 17.9K mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 31, 2026
- Permits on file
- 712
- Phone
- (432) 683-5203
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Discovery Operating Inc. |
| Production reports | Discovery Operating, Inc.through Oct 2000 |
| Latest permit | Discovery Operating, Inc.Apr 12, 1985 |
- 9,300
- total depth, ft
- 1
- permits on file
- Apr 12, 1985
- last permit issued
- Jun 19, 1985
- completed
- 6.67K
- cumulative oil, bbl
- 17.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2000
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 19, 1985
- Shut in
- —
- Plugged
- Jun 23, 2001
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 O-11-65444 | Patricia, West (Spraberry) | Discovery Operating, Inc. | 1 | 6.67K | 17.9K | Jan 1993 – Oct 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.
- 1Discovery Operating, Inc.Jan 1993 → Aug 2000
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 272280-99 | Drill | Discovery Operating, Inc. | Apr 11, 1985 | Apr 12, 1985 | — | 9,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 19, 1985 | O Brien O-11-65444 | Patricia West (Spraberry) | Discovery Operating Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,950 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 4,990 | -2,040 |
| SpraberryUPPER SPRABERRY | 7,760 | -4,810 |
| SpraberryLOWER SPRABERRY | 8,080 | -5,130 |
| JO Mills | 8,382 | -5,432 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,382 | 8,424 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 375 | 17.5 | 375 S |
| 8.625 | 4,383 | 11 | 300 S |
| 4.5 | 8,520 | 7.5 | 990 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 14, 1985 | Aug 2, 1985 | — |
| 00 | Aug 10, 1985 | — | — |
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 42-115-32193 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-32193 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/11532193, documented in the API reference.