WELL · 42-475-35781 · DISTRICT 8
Monroe 34-221 Unit #1H
Ward County · Sandbar (Bone Spring) field · Producing · Horizontal
Monroe 34-221 Unit #1H (API 42-475-35781) is a horizontal well in Ward County operated by Permian Resources Operating LLC, completed September 2, 2011 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 2011 and 2017, permitted to 11,263 ft.
It was permitted by Anadarko E&P Onshore LLC and has since transferred to Permian Resources Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Bone Spring, Bone Spring3.
Its 2 leases have reported 846K barrels of oil and 1.26M mcf of gas since September 2011, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permian Resources Operating LLC
Permitted by Anadarko E&P Onshore LLC; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 25, 2025
- Permits on file
- 608
- Phone
- (432) 695-4222
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Anadarko E&P Onshore LLC |
| Production reports | Anadarko E&P Onshore LLCthrough Apr 2026 |
| Latest permit | Anadarko E&P Onshore LLCFeb 7, 2017 |
- 11,263
- total depth, ft
- 3
- permits on file
- Feb 7, 2017
- last permit issued
- Sep 2, 2011
- completed
- 846K
- cumulative oil, bbl
- 1.26M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 2, 2011
- 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 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Monroe 34-221 Unit O-10-42356 | Phantom (Wolfcamp) | Anadarko E&P Onshore LLC | 2 | 654K | 996K | Sep 2011 – Jul 2026 |
| Monroe 34-221 Unit O-10-48255 | Sandbar (Bone Spring) | Anadarko E&P Onshore LLC | 1 | 192K | 260K | Nov 2016 – Jul 2026 |
Oil, barrels lease total
Last 12 months 27,696 · prior 12 20,384(+36%)
Gas, mcf lease total
Last 12 months 45,350 · prior 12 53,569(-15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Anadarko Petroleum CorporationSep 2011 → Mar 2013
- 2Anadarko E&P Onshore LLCApr 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 822650-99 | Field transfer | Anadarko E&P Onshore LLC | Jan 30, 2017 | Feb 7, 2017 | Jul 2, 2011 | 16,000 |
| 714262-98 | Drill | Anadarko Petroleum Corporation | Aug 17, 2011 | Apr 19, 2011 | Jul 2, 2011 | 16,000 |
| 714262-99 | Drill | Anadarko Petroleum Corporation | Apr 14, 2011 | Apr 19, 2011 | Jul 5, 2011 | 16,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 2, 2011 | Monroe 34-221 Unit O-10-48255 | Sandbar (Bone Spring) | Permian Resources Operating LLC | Producing | 11,263 |
| Sep 2, 2011 | Monroe 34-221 Unit O-10-42356 | Phantom (Wolfcamp) | Permian Resources Operating LLC | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,697 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bone SpringBONE SPRING 1 | 9,436 | -6,739 |
| Bone SpringBONE SPRING 2 | 10,163 | -7,466 |
| Bone SpringBONE SPRING 3 | 11,002 | -8,305 |
| Bone SPRING3 | 11,002 | -8,305 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,814 | 15,369 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,000 | 12.25 | 1,550 S |
| 7 | 11,742 | 8.75 | 1,080 S |
| 9.625 | — | 12.25 | 220 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 | Mar 2, 2017 | Feb 8, 2017 | Yes |
| 00 | Aug 18, 2014 | Feb 21, 2014 | — |
| 00 | Apr 10, 2013 | Feb 15, 2012 | 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 42-475-35781 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-35781 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/47535781, documented in the API reference.