WELL · 42-329-39977 · DISTRICT 8
O Brien B #1H
Midland County · Spraberry (Trend Area) field · Producing · Horizontal
O Brien B #1H (API 42-329-39977) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed July 18, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 5, 2014, permitted to 8,920 ft.
Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 2.96M barrels of oil and 9.02M mcf of gas since July 2015, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Dec 5, 2014 |
- 8,920
- total depth, ft
- 1
- permits on file
- Dec 5, 2014
- last permit issued
- Jul 18, 2015
- completed
- 2.96M
- cumulative oil, bbl
- 9.02M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 18, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| O Brien B O-10-46785 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 7 | 2.96M | 9.02M | Jul 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 119,288 · prior 12 126,596(-6%)
Gas, mcf lease total
Last 12 months 678,284 · prior 12 751,738(-10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Jul 2015 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 801260-99 | Drill | Pioneer Natural Res. USA, Inc. | Dec 5, 2014 | Dec 5, 2014 | Mar 3, 2015 | 10,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 18, 2015 | O Brien B O-10-46785 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Producing | 8,920 |
Formation tops
As filed on W-2/G-1. Subsea from 2,635 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 502 | 2,133 |
| Yates | 2,320 | 315 |
| Seven Rivers | 2,570 | 65 |
| Queen | 3,230 | -595 |
| Grayburg | 3,670 | -1,035 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,875 | -1,240 |
| Clear ForkCLEARFORK | 6,019 | -3,384 |
| Spraberry | 7,047 | -4,412 |
| SpraberrySPRABERRY UPPER-DEAN | 8,398 | -5,763 |
| Glorieta | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,203 | 17,544 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,365 | 17.5 | 1,150 S |
| 5.5 | 5,000 | 6.75 | 1,015 S |
| 9.625 | 5,382 | 12.25 | 935 S |
| 5 | 17,680 | 6.75 | 1,015 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 21, 2015 | Aug 28, 2015 | Yes |
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 42-329-39977 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-39977 → 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/32939977, documented in the API reference.