WELL · 42-317-44155 · DISTRICT 8
Blackjack 16-21 B #301H
Martin County · Spraberry (Trend Area) field · Horizontal
Blackjack 16-21 B #301H (API 42-317-44155) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed January 1, 2023.
The RRC has issued one drilling permit (amended 3 times), issued February 23, 2022, permitted to 9,400 ft.
Completion filings report 11 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
Its lease has reported 137K barrels of oil and 146K mcf of gas since January 2023, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Diamondback E&P LLCFeb 23, 2022 |
- 9,400
- total depth, ft
- 4
- permits on file
- Feb 23, 2022
- last permit issued
- Jan 1, 2023
- completed
- 137K
- cumulative oil, bbl
- 146K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 1, 2023
- Shut in
- —
- Plugged
- —
Surface location
32.110689, -101.922506
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Martin County.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blackjack 16-21 B O-10-60606 | Spraberry (Trend Area) | Diamondback E&P LLC | 2 | 137K | 146K | Jan 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 136,984 · prior 12 0
Gas, mcf lease total
Last 12 months 146,242 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCOct 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 877178-96 | Drill | Diamondback E&P LLC | Aug 19, 2025 | Feb 23, 2022 | Dec 31, 2022 | 9,400 |
| 877178-97 | Drill | Pbex Operations, LLC | Apr 7, 2025 | Feb 23, 2022 | Dec 31, 2022 | 9,400 |
| 877178-98 | Drill | Diamondback E&P LLC | Mar 10, 2022 | Feb 23, 2022 | Dec 31, 2022 | 9,400 |
| 877178-99 | Drill | Diamondback E&P LLC | Feb 16, 2022 | Feb 23, 2022 | — | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-60606 | — | — | — | — |
| — | — O-10-60606 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,710 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,000 | 1,710 |
| Yates | 2,699 | 11 |
| Queen | 4,100 | -1,390 |
| Grayburg | 4,299 | -1,589 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,699 | -1,989 |
| Clear ForkCLEARFORK | 6,498 | -3,788 |
| Spraberry | 7,403 | -4,693 |
| Dean | 8,701 | -5,991 |
| Wolfcamp | 8,915 | -6,205 |
| Cisco | — | — |
| Dean | — | — |
| Grayburg | — | — |
| Pennsylvanian | — | — |
| Queen | — | — |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | — | — |
| Santa Rosa | — | — |
| Spraberry | — | — |
| Wolfcamp | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,458 | 19,143 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 14.75 | 1,760 | 11.75 | 1,760 S |
| 11.75 | 1,760 | 14.75 | 1,760 S |
| 8.625 | 6,224 | 11 | 1,760 S |
| 5.5 | 19,296 | 7.875 | 2,270 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 10, 2026 | Jun 2, 2026 | — |
| 00 | Mar 31, 2026 | Jan 7, 2026 | — |
| 00 | Sep 4, 2025 | Aug 7, 2025 | Yes |
| 00 | Jun 5, 2025 | Apr 4, 2025 | — |
| 00 | Apr 11, 2024 | Feb 12, 2024 | — |
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 42-317-44155 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-44155 → 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.
Smith Jalonick 16-21 S42-317-44160
0.0 KM · Pbex Operations, LLC · Section with this well →
| Santa Rosa | 999 | 1,712 |
| Yates | 2,699 | 12 |
| Queen | 4,099 | -1,388 |
| Grayburg | 4,299 | -1,588 |
| San Andres | 4,699 | -1,988 |
| Glorieta | 5,352 | -2,641 |
| Spraberry | 5,352 | -2,641 |
| Clear Fork | 6,494 | -3,783 |
12 TOPS · FIRST 8
Smith Jalonick 16-21 Y42-317-44665
0.3 KM · Pbex Operations, LLC · Section with this well →
| Santa Rosa | 1,000 | 1,710 |
| Yates | 2,200 | 510 |
| San Andres | 3,500 | -790 |
| Grayburg | 3,950 | -1,240 |
| Queen | 4,100 | -1,390 |
| Clear Fork | 6,497 | -3,787 |
| Spraberry | 7,410 | -4,700 |
| Jo Mill | 7,916 | -5,206 |
12 TOPS · FIRST 8
Smith Jalonick 16-21 V42-317-44664
0.3 KM · Pbex Operations, LLC · Section with this well →
| Santa Rosa | 999 | 1,712 |
| Yates | 2,504 | 207 |
| Queen | 4,099 | -1,388 |
| San Andres | 4,176 | -1,465 |
| Grayburg | 4,299 | -1,588 |
| San Andres | 4,699 | -1,988 |
| Clear Fork | 6,501 | -3,790 |
| Spraberry | 6,504 | -3,793 |
12 TOPS · FIRST 8
Smith Jalonick 16-21 X42-317-44654
0.3 KM · Pbex Operations, LLC · Section with this well →
| Santa Rosa | 1,742 | 969 |
| Yates | 2,504 | 207 |
| San Andres | 4,176 | -1,465 |
| San Andres | 4,176 | -1,465 |
| Clear Fork | 6,501 | -3,790 |
| Spraberry | 7,408 | -4,697 |
| Cisco | — | |
| Wolfcamp | — |
12 TOPS · FIRST 8
Smith Jalonick 16-21 V42-317-44653
0.3 KM · Pbex Operations, LLC · Section with this well →
| Santa Rosa | 1,742 | 969 |
| Yates | 2,503 | 208 |
| San Andres | 4,174 | -1,463 |
| San Andres | 4,174 | -1,463 |
| Clear Fork | 6,499 | -3,788 |
| Spraberry | 7,410 | -4,699 |
| Wolfcamp | — | |
| Queen | — |
13 TOPS · FIRST 8
Blackjack 16-21 A42-317-46793
0.3 KM · Pbex Operations, LLC · Section with this well →
| Clear Fork | 6,503 | -3,793 |
| Spraberry | 7,407 | -4,697 |
| Dean | 8,714 | -6,004 |
| Wolfcamp | 8,923 | -6,213 |
| Yates | — | |
| Cisco | — | |
| Grayburg | — | |
| Pennsylvanian | — |
11 TOPS · FIRST 8
Pinkerton-Louder 10B42-317-44839
0.5 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,108 | 1,620 |
| Yates | 2,483 | 245 |
| Queen | 3,394 | -666 |
| Grayburg | 3,907 | -1,179 |
| San Andres | 4,094 | -1,366 |
| Clear Fork | 6,469 | -3,741 |
| Spraberry | 7,383 | -4,655 |
| Dean | — |
11 TOPS · FIRST 8
Pinkerton-Louder 10C42-317-44840
0.5 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,108 | 1,620 |
| Yates | 2,489 | 239 |
| Queen | 3,398 | -670 |
| Grayburg | 3,915 | -1,187 |
| San Andres | 4,102 | -1,374 |
| Spraberry | 7,385 | -4,657 |
| Dean | 8,678 | -5,950 |
| Wolfcamp | 8,984 | -6,256 |
10 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/31744155, documented in the API reference.