WELL · 42-317-46895 · DISTRICT 10
Greystoke 1-5 A #1MS
Martin County · Horizontal
Greystoke 1-5 A #1MS (API 42-317-46895) is a permitted horizontal well in Martin County filed by Diamondback E&P LLC; no completion report is on file yet.
The RRC has issued one drilling permit, issued July 10, 2025, permitted to 9,563 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
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 | none |
| Production reports | none |
| Latest permit | Diamondback E&P LLCJul 10, 2025 |
- 9,563
- total depth, ft
- 1
- permits on file
- Jul 10, 2025
- last permit issued
- —
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
32.236708, -102.031528
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Martin County.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 909080-99 | Drill | Diamondback E&P LLC | Jul 7, 2025 | Jul 10, 2025 | Aug 7, 2025 | 9,563 |
Formation tops
As filed on W-2/G-1. Subsea from 2,786 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,862 | 924 |
| Yates | 2,729 | 57 |
| Queen | 3,594 | -808 |
| Grayburg | 4,199 | -1,413 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,557 | -1,771 |
| Clear ForkCLEARFORK | 6,518 | -3,732 |
| Spraberry | 7,776 | -4,990 |
| Cisco | — | — |
| Dean | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,621 | 21,363 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 1,855 | 14.75 | 1,115 S |
| 8.625 | 6,220 | 9.875 | 615 S |
| 5.5 | 21,382 | 7.875 | 2,115 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 12, 2026 | May 28, 2026 | 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 42-317-46895 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-46895 → 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.
Greystoke 1-5 A42-317-46894
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,856 | 929 |
| Yates | 2,728 | 57 |
| Queen | 3,603 | -818 |
| Grayburg | 4,205 | -1,420 |
| San Andres | 4,564 | -1,779 |
| Clear Fork | 6,522 | -3,737 |
| Spraberry | 7,788 | -5,003 |
| Jo Mill | 8,283 | -5,498 |
10 TOPS · FIRST 8
Greystoke 1-5 B42-317-46898
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,855 | 930 |
| Yates | 2,727 | 58 |
| Queen | 3,587 | -802 |
| Grayburg | 4,192 | -1,407 |
| San Andres | 4,551 | -1,766 |
| Clear Fork | 6,509 | -3,724 |
| Spraberry | 7,781 | -4,996 |
| Jo Mill | 8,275 | -5,490 |
10 TOPS · FIRST 8
Greystoke 1-5 B42-317-46899
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,842 | 943 |
| Yates | 2,715 | 70 |
| Queen | 3,577 | -792 |
| Grayburg | 4,182 | -1,397 |
| San Andres | 4,541 | -1,756 |
| Clear Fork | 6,509 | -3,724 |
| Spraberry | 7,771 | -4,986 |
| Jo Mill | 8,280 | -5,495 |
10 TOPS · FIRST 8
Greystoke 1-5 F42-317-46896
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,214 | 1,571 |
| Yates | 2,712 | 73 |
| Queen | 3,587 | -802 |
| Grayburg | 3,587 | -802 |
| San Andres | 4,602 | -1,817 |
| Spraberry | 7,771 | -4,986 |
| Dean | 9,090 | -6,305 |
| Wolfcamp | 9,323 | -6,538 |
10 TOPS · FIRST 8
Greystoke 1-5 G42-317-46905
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,833 | 952 |
| Yates | 2,712 | 73 |
| Queen | 3,583 | -798 |
| Grayburg | 4,182 | -1,397 |
| San Andres | 4,528 | -1,743 |
| Clear Fork | 6,511 | -3,726 |
| Spraberry | 7,776 | -4,991 |
| Jo Mill | 8,277 | -5,492 |
10 TOPS · FIRST 8
Greystoke 1-5 C42-317-46903
0.0 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,849 | 936 |
| Yates | 2,723 | 62 |
| Queen | 3,579 | -794 |
| Grayburg | 4,184 | -1,399 |
| San Andres | 4,535 | -1,750 |
| Clear Fork | 6,520 | -3,735 |
| Spraberry | 7,783 | -4,998 |
| Dean | — |
10 TOPS · FIRST 8
Anaconda 5-4 Unit 242-317-43727
0.1 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,320 | 1,468 |
| Yates | 2,700 | 88 |
| Queen | 3,740 | -952 |
| Grayburg | 4,360 | -1,572 |
| San Andres | 4,734 | -1,946 |
| Spraberry | 7,768 | -4,980 |
| Cisco | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Greystoke 1-5 C42-317-46902
0.1 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,227 | 1,558 |
| Yates | 2,710 | 75 |
| Queen | 3,584 | -799 |
| Grayburg | 4,183 | -1,398 |
| San Andres | 4,542 | -1,757 |
| Clear Fork | 6,527 | -3,742 |
| Spraberry | 7,792 | -5,007 |
| Jo Mill | 8,292 | -5,507 |
12 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/31746895, documented in the API reference.