WELL · 42-173-31550 · DISTRICT 8
Brunson #4
Glasscock County · Powell (8300) field · Vertical
Brunson #4 (API 42-173-31550) is a well in Glasscock County operated by Parsley Energy Operations LLC, completed March 6, 1984.
The RRC has issued 2 drilling permits between 1984 and 2010, permitted to 8,800 ft.
It was permitted by Pecos Operating Company, LLC and has since transferred to Parsley Energy Operations LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Yates, San Andres, Clear Fork, Spraberry.
Its 2 leases have reported 38.7K barrels of oil and 376K mcf of gas since January 1993, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Pecos Operating Company, LLC; the EWA schedule now lists a different operator.
Irving, TX · P-5 Y, filed Apr 6, 2023 · 2,477 permits on file · (432) 563-8432
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Parsley Energy Operations LLC |
| Production reports | Parsley Energy Operations, LLCthrough Jan 2021 |
| Latest permit | Pecos Operating Company, LLCMar 31, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,800
- total depth, ft
- 2
- permits on file
- Mar 31, 2010
- last permit issued
- Mar 6, 1984
- completed
- 38.7K
- cumulative oil, bbl
- 376K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 6, 1984
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Brunson O-10-40208 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 17.8K | 18.5K | Jun 2010 – Jul 2026 |
| Brunson O-10-27996 | Powell (8300) | Parsley Energy Operations, LLC | 3 | 20.8K | 357K | Jan 1993 – Feb 2020 |
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.
- 1Simpson Bros. Oil Co.Jan 1993 → Feb 1994
- 2Simpson Bros. Oil Co.-LongviewMar 1994 → Nov 1997
- 3White's Industrial Engine'sDec 1997 → Dec 2009
- 4Pecos Operating Company, LLCMay 2010 → Jul 2014
- 5RSP Permian, LLCAug 2014 → Nov 2016
- 6DE Operating LLCDec 2016 → Apr 2017
- 7Parsley Energy Operations, LLCMay 2017 → Jan 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 693547-99 | Recompletion | Pecos Operating Company, LLC | Mar 26, 2010 | Mar 31, 2010 | Apr 26, 2010 | 8,750 |
| 227902-99 | Drill | Monsanto Oil Company | Jan 30, 1984 | Jan 30, 1984 | Feb 7, 1984 | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-27996 | — | — | — | — |
| — | — O-10-40208 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,685 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,142 | 543 |
| San Andres | 3,335 | -650 |
| Clear ForkCLEARFORK | 6,150 | -3,465 |
| Spraberry | 7,158 | -4,473 |
| Wolfcamp | 8,166 | -5,481 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,185 | 7,507 | Perforated |
| 8,008 | 8,141 | Perforated |
| 8,196 | 8,381 | Perforated |
| 8,540 | 8,544 | Perforated |
| 8,564 | 8,594 | Perforated |
| 8,602 | 8,612 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.875 | 400 | 17.5 | 375 S |
| 13.375 | 400 | 17.5 | 375 S |
| 8.625 | 4,550 | 12.25 | 700 S |
| 5.5 | 8,750 | 7.875 | 750 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 | Feb 10, 2020 | Jan 21, 2020 | — |
| 00 | Oct 11, 2010 | Jun 29, 2010 | Yes |
| 00 | Oct 4, 2010 | — | — |
| 00 | Apr 3, 1984 | Mar 12, 1984 | — |
| 00 | Mar 22, 1984 | Mar 12, 1984 | — |
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 42-173-31550 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-31550 → 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/17331550, documented in the API reference.