WELL · 42-317-44664 · DISTRICT 8
Blackjack 16-21 F #303H
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
Blackjack 16-21 F #303H (API 42-317-44664) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed October 2, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended 3 times), issued August 31, 2022, permitted to 9,400 ft.
Completion filings report 11 formation tops, including Santa Rosa, Yates, Queen, San Andres.
Its lease has reported 207K barrels of oil and 221K mcf of gas since December 2022, last reporting in July 2026.
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 | Pbex Operations, LLCAug 31, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,400
- total depth, ft
- 4
- permits on file
- Aug 31, 2022
- last permit issued
- Oct 2, 2025
- completed
- 207K
- cumulative oil, bbl
- 221K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 2, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.108435, -101.924306
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blackjack 16-21 F O-10-60666 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 207K | 221K | Dec 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 207,226 · prior 12 0
Gas, mcf lease total
Last 12 months 221,359 · 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 |
|---|---|---|---|---|---|---|
| 883378-96 | Drill | Diamondback E&P LLC | Aug 18, 2025 | Aug 31, 2022 | Dec 25, 2022 | 9,400 |
| 883378-97 | Drill | Pbex Operations, LLC | Apr 4, 2025 | Aug 31, 2022 | Dec 25, 2022 | 9,400 |
| 883378-98 | Drill | Diamondback E&P LLC | Oct 12, 2022 | Aug 31, 2022 | Dec 25, 2022 | 9,400 |
| 883378-99 | Drill | Diamondback E&P LLC | Aug 24, 2022 | Aug 31, 2022 | Dec 25, 2022 | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-60666 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,711 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 999 | 1,712 |
| Santa Rosa | 1,742 | 969 |
| Yates | 2,504 | 207 |
| Yates | 2,699 | 12 |
| Queen | 4,099 | -1,388 |
| San Andres | 4,176 | -1,465 |
| Grayburg | 4,299 | -1,588 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,699 | -1,988 |
| Clear ForkCLEARFORK | 6,501 | -3,790 |
| Clear ForkCLEARFORK | 6,504 | -3,793 |
| Spraberry | 6,504 | -3,793 |
| Spraberry | 7,404 | -4,693 |
| Spraberry | 7,408 | -4,697 |
| Dean | 8,716 | -6,005 |
| Wolfcamp | 8,924 | -6,213 |
| 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 |
|---|---|---|
| 9,522 | 19,307 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,749 | 14.75 | 1,215 S |
| 9.625 | 6,201 | 11 | 1,760 S |
| 5.5 | 19,346 | 7.875 | 2,325 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 | Aug 7, 2026 | Jun 4, 2026 | — |
| 00 | Feb 11, 2026 | Jan 12, 2026 | — |
| 00 | Sep 30, 2025 | Sep 9, 2025 | — |
| 00 | Sep 15, 2025 | Mar 24, 2025 | — |
| 00 | Apr 19, 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 42-317-44664 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-44664 → 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 Y42-317-44665
0.0 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 X42-317-44654
0.0 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 |
| Wolfcamp | — | |
| Queen | — |
12 TOPS · FIRST 8
Smith Jalonick 16-21 V42-317-44653
0.0 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 |
| Dean | — | |
| Cisco | — |
13 TOPS · FIRST 8
Blackjack 16-21 A42-317-46793
0.0 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 |
| Pennsylvanian | — | |
| Queen | — | |
| San Andres | — | |
| Santa Rosa | — |
11 TOPS · FIRST 8
Smith Jalonick 16-21 R42-317-44155
0.3 KM · Pbex Operations, LLC · Section with this well →
| Santa Rosa | 1,000 | 1,710 |
| Yates | 2,699 | 11 |
| Queen | 4,100 | -1,390 |
| Grayburg | 4,299 | -1,589 |
| San Andres | 4,699 | -1,989 |
| Clear Fork | 6,498 | -3,788 |
| Spraberry | 7,403 | -4,693 |
| Dean | 8,701 | -5,991 |
11 TOPS · FIRST 8
Smith Jalonick 16-21 S42-317-44160
0.3 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 O42-317-44017
0.5 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,742 | 968 |
| Cisco | — | |
| Dean | — | |
| Grayburg | — | |
| Pennsylvanian | — | |
| Queen | — | |
| San Andres | — | |
| Spraberry | — |
10 TOPS · FIRST 8
Smith Jalonick 16-21 N42-317-44015
0.5 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,742 | 968 |
| Cisco | — | |
| Spraberry | — | |
| San Andres | — | |
| Queen | — | |
| Pennsylvanian | — | |
| Grayburg | — | |
| Dean | — |
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/31744664, documented in the API reference.