WELL · 42-317-40881 · DISTRICT 8
Vineyard HZ B Unit #0601MS
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
Vineyard HZ B Unit #0601MS (API 42-317-40881) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed January 18, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued June 6, 2017, permitted to 9,000 ft.
It was permitted by Ajax Resources, LLC and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 9 formation tops, including San Andres, Clear Fork, Spraberry, Cisco.
Its lease has reported 2.32M barrels of oil and 1.73M mcf of gas since October 2017, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Ajax Resources, LLC; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 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 | Ajax Resources, LLCJun 6, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 2
- permits on file
- Jun 6, 2017
- last permit issued
- Jan 18, 2022
- completed
- 2.32M
- cumulative oil, bbl
- 1.73M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 18, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.522971, -102.178044
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Vineyard HZ B Unit O-10-49874 | Spraberry (Trend Area) | Diamondback E&P LLC | 5 | 2.32M | 1.73M | Oct 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 233,110 · prior 12 389,082(-40%)
Gas, mcf lease total
Last 12 months 302,280 · prior 12 300,288(+1%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ajax Resources, LLCOct 2017 → Oct 2018
- 2Diamondback E&P LLCNov 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 826998-98 | Drill | Ajax Resources, LLC | Feb 26, 2018 | Jun 6, 2017 | Jul 6, 2017 | 8,755 |
| 826998-99 | Drill | Ajax Resources, LLC | May 22, 2017 | Jun 6, 2017 | Jul 6, 2017 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-49874 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,926 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,605 | -1,679 |
| Clear ForkCLEARFORK | 6,407 | -3,481 |
| Spraberry | 8,279 | -5,353 |
| SpraberryMIDDLE SPRABERRY | 8,806 | -5,880 |
| Cisco | — | — |
| Dean | — | — |
| Grayburg | — | — |
| Queen | — | — |
| Santa Rosa | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,410 | 20,276 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,771 | 17.5 | 1,928 S |
| 9.625 | 6,520 | 12.25 | 1,115 S |
| 5.5 | 20,455 | 8.75 | 3,164 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 17, 2022 | Feb 24, 2022 | — |
| 00 | Jun 7, 2018 | Mar 22, 2018 | 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 42-317-40881 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-40881 → 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.
Vineyard HZ B Unit42-317-40786
0.0 KM · Ajax Resources, LLC · Section with this well →
| Santa Rosa | 1,000 | 1,926 |
| Yates | 2,700 | 226 |
| Queen | 4,100 | -1,174 |
| Grayburg | 4,300 | -1,374 |
| San Andres | 4,605 | -1,679 |
| Clear Fork | 6,407 | -3,481 |
| Spraberry | 8,279 | -5,353 |
| Dean | 9,520 | -6,594 |
10 TOPS · FIRST 8
Vineyard HZ B Unit42-317-40680
0.0 KM · Ajax Resources, LLC · Section with this well →
| Santa Rosa | 1,000 | 1,924 |
| Yates | 2,700 | 224 |
| Queen | 4,100 | -1,176 |
| Grayburg | 4,300 | -1,376 |
| San Andres | 4,573 | -1,649 |
| Clear Fork | 6,407 | -3,483 |
| Spraberry | 8,247 | -5,323 |
| Spraberry | 8,971 | -6,047 |
10 TOPS · FIRST 8
UL Davis Creek 15-29 D42-317-45699
2.1 KM · Diamondback E&P LLC · Section with this well →
| Dean | — | |
| Cisco | — | |
| Grayburg | — | |
| Pennsylvanian | — | |
| Queen | — | |
| San Andres | — | |
| Santa Rosa | — | |
| Spraberry | — |
10 TOPS · FIRST 8
UL Davis Creek 15-28 A42-317-45698
2.1 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Cisco | — | |
| Dean | — | |
| Grayburg | — | |
| Pennsylvanian | — | |
| Queen | — | |
| San Andres | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
UL Davis Creek 15-28 B42-317-46226
2.1 KM · Diamondback E&P LLC · Section with this well →
| Cisco | — | |
| Yates | — | |
| Dean | — | |
| Grayburg | — | |
| Pennsylvanian | — | |
| Queen | — | |
| San Andres | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
UL Davis Creek 15-29 C42-317-45700
2.2 KM · Diamondback E&P LLC · Section with this well →
| Cisco | — | |
| Dean | — | |
| Grayburg | — | |
| Pennsylvanian | — | |
| Queen | — | |
| San Andres | — | |
| Santa Rosa | — | |
| Spraberry | — |
10 TOPS · FIRST 8
UL Davis Creek 15-29 A42-317-45702
2.2 KM · Diamondback E&P LLC · Section with this well →
| Ellenburger | — | |
| Fusselman | — | |
| Grayburg | — | |
| Precambrian (Undifferentiated) | — | |
| Queen | — | |
| San Andres | — | |
| Santa Rosa | — | |
| Silurian (undifferentiated) | — |
10 TOPS · FIRST 8
UL Davis Creek 15-29 B42-317-45701
2.2 KM · Diamondback E&P LLC · Section with this well →
| Yates | — | |
| Wolfcamp | — | |
| Spraberry | — | |
| Santa Rosa | — | |
| San Andres | — | |
| Queen | — | |
| Pennsylvanian | — | |
| Grayburg | — |
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/31740881, documented in the API reference.