WELL · 42-389-41444 · DISTRICT 8
Mariinsky State H #312H
Reeves County · Wolfbone (Trend Area) field · Horizontal
Mariinsky State H #312H (API 42-389-41444) is a horizontal well in Reeves County operated by Permian Resources Operating LLC, completed March 12, 2025.
The RRC has issued 2 drilling permits between 2024 and 2025, permitted to 12,000 ft.
Completion filings report 8 formation tops, including Bell Canyon, Cherry Canyon, Wolfcamp, Bone Spring.
Its 2 leases have reported 174K barrels of oil and 248K mcf of gas since November 2024, 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 17, 2025 |
- 12,000
- total depth, ft
- 2
- permits on file
- Oct 17, 2025
- last permit issued
- Mar 12, 2025
- completed
- 174K
- cumulative oil, bbl
- 248K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 12, 2025
- Shut in
- —
- Plugged
- —
Surface location
31.301471, -103.349431
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 H O-10-63987 | Phantom (Wolfcamp) | Permian Resources Operating, LLC | 1 | 174K | 248K | Mar 2025 – Jul 2026 |
| Mariinsky State H O-10-62840 | Wolfbone (Trend Area) | Permian Resources Operating, LLC | 1 | 0 | 0 | Nov 2024 – Dec 2025 |
Oil, barrels lease total
Last 12 months 144,712 · prior 12 29,021(+399%)
Gas, mcf lease total
Last 12 months 220,409 · prior 12 27,798(+693%)
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 |
|---|---|---|---|---|---|---|
| 911049-99 | Field transfer | Permian Resources Operating, LLC | Oct 10, 2025 | Oct 17, 2025 | — | 11,000 |
| 903183-99 | Drill | Permian Resources Operating, LLC | Oct 10, 2024 | Oct 11, 2024 | Oct 15, 2024 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-62840 | — | — | — | — |
| — | — O-10-63987 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,670 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bell Canyon | 5,177 | -2,507 |
| Cherry Canyon | 6,075 | -3,405 |
| Cherry Canyon | 6,076 | -3,406 |
| Wolfcamp | 10,639 | -7,969 |
| Bone Spring | — | — |
| CastileCASTILLE | — | — |
| Delaware | — | — |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| DelawareFORD / DELAWARE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN (UNDEFINED) | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,370 | 26,657 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,363 | 12.25 | 770 S |
| 7.625 | 10,962 | 8.75 | 1,485 S |
| 5.5 | 26,753 | 6.75 | 2,600 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 | Oct 30, 2025 | Oct 20, 2025 | — |
| 00 | Oct 21, 2025 | Jun 3, 2025 | — |
| 00 | Jul 7, 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 42-389-41444 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-41444 → 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 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 |
| Permian (undifferentiated) | — | |
| Wolfcamp | — |
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 |
| Bone Spring | — |
14 TOPS · FIRST 8
Mariinsky State B42-389-41421
0.0 KM · Permian Resources Operating, LLC · Section with this well →
| Bell Canyon | 5,178 | -2,507 |
| Cherry Canyon | 6,072 | -3,401 |
| Brushy Canyon | 7,319 | -4,648 |
| Bone Spring | 8,215 | -5,544 |
| Bone Spring | 8,760 | -6,089 |
| Bone Spring | 9,166 | -6,495 |
| Wolfcamp | — | |
| Delaware | — |
14 TOPS · FIRST 8
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 |
| Bone Spring | — |
14 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/38941444, documented in the API reference.