WELL · 42-317-46908 · DISTRICT 10

Greystoke 1-5 D #2WA

N

Martin County  · Horizontal

Greystoke 1-5 D #2WA (API 42-317-46908) 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

Diamondback E&P LLC

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 schedulenone
Production reportsnone
Latest permitDiamondback 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

32.237258, -102.029184

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin County.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
909094-99DrillDiamondback E&P LLCJul 8, 2025Jul 10, 2025Aug 14, 20259,563

Formation tops

As filed on W-2/G-1. Subsea from 2,786 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,4051,381
Yates2,69294
Queen3,701-915
Grayburg4,294-1,508
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,525-1,739
Clear ForkCLEARFORK6,490-3,704
Spraberry7,756-4,970
Dean9,071-6,285
Wolfcamp9,324-6,538
Cisco——

Perforations

Perforated and open-hole intervals.

FromToType
9,96422,963Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,88717.51,720 S
10.756,27512.251,200 S
5.523,0037.8752,610 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 27, 2026Jun 1, 2026Yes

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.

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.

Open the cross-section →

Greystoke 1-5 D42-317-46906

0.0 KM · Diamondback E&P LLC · Section with this well →

Santa Rosa1,2501,536
Yates2,70779
Queen3,547-761
Grayburg4,019-1,233
San Andres4,575-1,789
Clear Fork6,522-3,736
Spraberry7,777-4,991
Cisco—

10 TOPS · FIRST 8

Greystoke 1-5 E42-317-46913

0.0 KM · Diamondback E&P LLC · Section with this well →

Santa Rosa1,2601,526
Yates2,73155
Queen3,696-910
Grayburg4,289-1,503
San Andres4,520-1,734
Clear Fork6,484-3,698
Spraberry7,751-4,965
Cisco—

10 TOPS · FIRST 8

Greystoke 1-5 E42-317-46910

0.0 KM · Diamondback E&P LLC · Section with this well →

Santa Rosa1,2701,516
Yates2,70482
Queen3,700-914
Grayburg4,293-1,507
San Andres4,524-1,738
Clear Fork6,488-3,702
Spraberry7,756-4,970
Cisco—

10 TOPS · FIRST 8

Greystoke 1-5 E42-317-46917

0.0 KM · Diamondback E&P LLC · Section with this well →

Santa Rosa1,2401,546
Yates2,71769
Queen3,697-911
Grayburg4,290-1,504
San Andres4,522-1,736
Clear Fork6,486-3,700
Spraberry7,751-4,965
Wolfcamp—

10 TOPS · FIRST 8

Anaconda 5-4 Unit 242-317-43724

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,3201,468
Yates2,70088
Queen3,740-952
Grayburg4,360-1,572
San Andres4,734-1,946
Spraberry7,753-4,965
Cisco—
Pennsylvanian—

10 TOPS · FIRST 8

Anaconda 5-4 Unit 242-317-43723

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,3201,468
Yates2,70088
Queen3,740-952
Grayburg4,360-1,572
San Andres4,734-1,946
Spraberry7,768-4,980
Jo Mill8,573-5,785
Wolfcamp—

10 TOPS · FIRST 8

Anaconda 5-4 Unit 2A42-317-43729

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,3201,468
Yates2,70088
Queen3,740-952
Grayburg4,360-1,572
San Andres4,734-1,946
Spraberry7,749-4,961
Wolfcamp9,313-6,525
Cisco—

10 TOPS · FIRST 8

Anaconda 5-4 Unit 242-317-43722

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,3201,468
Yates2,70088
Queen3,740-952
Grayburg4,360-1,572
San Andres4,734-1,946
Spraberry7,754-4,966
Dean—
Pennsylvanian—

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/31746908, documented in the API reference.