WELL · 42-389-41421 · DISTRICT 8
Mariinsky State B #132H
Reeves County · Wolfbone (Trend Area) field · Horizontal
Mariinsky State B #132H (API 42-389-41421) is a horizontal well in Reeves County operated by Permian Resources Operating LLC, completed March 12, 2025.
The RRC has issued one drilling permit, issued October 4, 2024, permitted to 11,000 ft.
Completion filings report 9 formation tops, including Bell Canyon, Cherry Canyon, Brushy Canyon, Bone Spring.
Its 2 leases have reported 317K barrels of oil and 605K mcf of gas since January 2025, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permian Resources Operating LLC
Midland, TX · P-5 Y, filed Oct 4, 2025 · 608 permits on file · (432) 699-9345
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Permian Resources Operating LLC |
| Production reports | Permian Resources Operating, LLCthrough Apr 2026 |
| Latest permit | Permian Resources Operating, LLCOct 4, 2024 |
- 11,000
- total depth, ft
- 1
- permits on file
- Oct 4, 2024
- last permit issued
- Mar 12, 2025
- completed
- 317K
- cumulative oil, bbl
- 605K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 12, 2025
- Shut in
- —
- Plugged
- —
Surface location
31.301473, -103.349114
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Reeves County.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mariinsky State B O-10-62829 | Wolfbone (Trend Area) | Permian Resources Operating, LLC | 1 | 186K | 268K | Jan 2025 – Jul 2026 |
| Mariinsky State B O-10-64226 | Phantom (Wolfcamp) | Permian Resources Operating, LLC | 1 | 130K | 337K | Sep 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 262,274 · prior 12 54,237(+384%)
Gas, mcf lease total
Last 12 months 537,521 · prior 12 67,307(+699%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Permian Resources Operating, LLCMar 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 903034-99 | Drill | Permian Resources Operating, LLC | Oct 2, 2024 | Oct 4, 2024 | Oct 14, 2024 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-62829 | — | — | — | — |
| — | — O-10-64226 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,671 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bell Canyon | 5,178 | -2,507 |
| Cherry Canyon | 6,072 | -3,401 |
| Brushy Canyon | 7,319 | -4,648 |
| Bone SpringBONE SPRING LIME | 8,215 | -5,544 |
| Bone SpringFIRST BONE SPRING SAND UPPER | 8,760 | -6,089 |
| Bone SpringSECOND BONE SPRING SHALE | 9,166 | -6,495 |
| Bone Spring | — | — |
| CastileCASTILLE | — | — |
| Delaware | — | — |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| DelawareFORD / DELAWARE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN (UNDEFINED) | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,876 | 26,034 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,360 | 12.25 | 770 S |
| 7.625 | 9,935 | 8.75 | 1,380 S |
| 5.5 | 26,075 | 6.75 | 1,915 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 | Dec 16, 2025 | Oct 20, 2025 | — |
| 00 | Dec 10, 2025 | Jun 3, 2025 | — |
| 00 | Jun 30, 2025 | Jun 3, 2025 | — |
| 00 | Apr 10, 2025 | Feb 21, 2025 | 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 42-389-41421 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-41421 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Mariinsky State F42-389-41425
0.0 KM · Permian Resources Operating, LLC · Section with this well →
| Rustler | 844 | 1,828 |
| Lamar | 5,138 | -2,466 |
| Bell Canyon | 5,178 | -2,506 |
| Cherry Canyon | 6,064 | -3,392 |
| Bone Spring | 8,213 | -5,541 |
| Bone Spring | 8,839 | -6,167 |
| Wolfcamp | 10,650 | -7,978 |
| Castile | — |
14 TOPS · FIRST 8
Mariinsky State E42-389-41424
0.0 KM · Permian Resources Operating, LLC · Section with this well →
| Rustler | 761 | 1,910 |
| Lamar | 5,126 | -2,455 |
| Bell Canyon | 5,169 | -2,498 |
| Cherry Canyon | 6,080 | -3,409 |
| Brushy Canyon | 7,304 | -4,633 |
| Bone Spring | 8,216 | -5,545 |
| Wolfcamp | 10,645 | -7,974 |
| Pennsylvanian | — |
14 TOPS · FIRST 8
Mariinsky State B42-389-41419
0.0 KM · Permian Resources Operating, LLC · Section with this well →
| Rustler | 845 | 1,825 |
| Lamar | 5,120 | -2,450 |
| Bell Canyon | 5,171 | -2,501 |
| Cherry Canyon | 6,065 | -3,395 |
| Brushy Canyon | 7,320 | -4,650 |
| Bone Spring | 8,224 | -5,554 |
| Delaware | — | |
| Pennsylvanian | — |
14 TOPS · FIRST 8
Mariinsky State H42-389-41444
0.0 KM · Permian Resources Operating, LLC · Section with this well →
| Bell Canyon | 5,177 | -2,507 |
| Cherry Canyon | 6,075 | -3,405 |
| Wolfcamp | 10,639 | -7,969 |
| Delaware | — | |
| Castile | — | |
| Bone Spring | — | |
| Delaware | — | |
| Delaware | — |
10 TOPS · FIRST 8
Mariinsky State I42-389-41445
0.7 KM · Permian Resources Operating, LLC · Section with this well →
| Rustler | 794 | 1,892 |
| Lamar | 5,153 | -2,467 |
| Bell Canyon | 5,204 | -2,518 |
| Cherry Canyon | 6,086 | -3,400 |
| Brushy Canyon | 7,345 | -4,659 |
| Bone Spring | 8,251 | -5,565 |
| Bone Spring | 8,831 | -6,145 |
| Bone Spring | 9,188 | -6,502 |
16 TOPS · FIRST 8
Mariinsky State C42-389-41422
0.7 KM · Permian Resources Operating, LLC · Section with this well →
| Rustler | 765 | 1,921 |
| Lamar | 5,152 | -2,466 |
| Bell Canyon | 5,194 | -2,508 |
| Cherry Canyon | 6,084 | -3,398 |
| Brushy Canyon | 7,347 | -4,661 |
| Bone Spring | 8,256 | -5,570 |
| Bone Spring | 8,842 | -6,156 |
| Bone Spring | 9,223 | -6,537 |
15 TOPS · FIRST 8
Mariinsky State G42-389-41426
0.7 KM · Permian Resources Operating, LLC · Section with this well →
| Rustler | 762 | 1,923 |
| Lamar | 5,166 | -2,481 |
| Bell Canyon | 5,203 | -2,518 |
| Cherry Canyon | 6,081 | -3,396 |
| Brushy Canyon | 7,351 | -4,666 |
| Bone Spring | 8,253 | -5,568 |
| Bone Spring | 8,863 | -6,178 |
| Bone Spring | 9,236 | -6,551 |
19 TOPS · FIRST 8
Mariinsky State D42-389-41423
0.7 KM · Permian Resources Operating, LLC · Section with this well →
| Rustler | 767 | 1,919 |
| Lamar | 5,166 | -2,480 |
| Bell Canyon | 5,211 | -2,525 |
| Cherry Canyon | 6,085 | -3,399 |
| Brushy Canyon | 7,351 | -4,665 |
| Bone Spring | 8,271 | -5,585 |
| Bone Spring | 8,872 | -6,186 |
| Bone Spring | 9,236 | -6,550 |
19 TOPS · FIRST 8
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/38941421, documented in the API reference.