WELL · 42-317-45964 · DISTRICT 8

Pier 22-23 Unit 1 #225

Y

Martin County · Spraberry (Trend Area) field · Shut IN  · Horizontal

Pier 22-23 Unit 1 #225 (API 42-317-45964) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed June 4, 2025 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued April 10, 2024, permitted to 9,821 ft.

It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 12 formation tops, including Santa Rosa, Yates, Grayburg, San Andres.

Its lease has reported 3.21M barrels of oil and 5.31M mcf of gas since November 2018, last reporting in July 2026. The lease carries 15 wells, so these are lease totals, not this well alone.

Operator of record

Diamondback E&P LLC

Permitted by Endeavor Energy Resources L.P.; 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 scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitEndeavor Energy Resources L.P.Apr 10, 2024

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,821
total depth, ft
1
permits on file
Apr 10, 2024
last permit issued
Jun 4, 2025
completed
3.21M
cumulative oil, bbl
5.31M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 4, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.257131, -102.009219

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 15 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Pier 22-23 Unit 1 O-10-51414Spraberry (Trend Area)Diamondback E&P LLC153.21M5.31MNov 2018 – Jul 2026

Oil, barrels lease total

Last 12 months 2,417,456 · prior 12 26,101(+9162%)

0200K400K600K202420252026

Gas, mcf lease total

Last 12 months 3,679,824 · prior 12 111,425(+3203%)

0200K400K600K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Endeavor Energy Resources L.P.Nov 2018 → Dec 2024
  2. 2Diamondback E&P LLCJan 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
897807-99DrillEndeavor Energy Resources L.P.Feb 29, 2024Apr 10, 2024Jun 13, 20249,821

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-51414————

Formation tops

As filed on W-2/G-1. Subsea from 2,785 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,0001,785
Yates1,866919
Grayburg3,994-1,209
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,597-1,812
Clear ForkCLEARFORK6,480-3,695
Clear ForkUPPER CLEARFORK6,487-3,702
Spraberry7,715-4,930
Dean9,027-6,242
Wolfcamp9,269-6,484
Cisco——
Ellenburger——
Precambrian (Undifferentiated)——
Queen——

Perforations

Perforated and open-hole intervals.

FromToType
9,54724,882Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,82217.51,585 S
10.756,35612.25900 S
5.524,9167.8752,450 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
00Jan 6, 2026Dec 8, 2025—
00Jan 22, 2025Nov 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.

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 →

Pier 22-23 Unit 142-317-45963

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

Santa Rosa1,0001,785
Yates1,867918
Grayburg3,995-1,210
San Andres4,598-1,813
Clear Fork6,480-3,695
Spraberry7,716-4,931
Wolfcamp—
Cisco—

11 TOPS · FIRST 8

Pier 22-23 Unit 142-317-45959

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

Santa Rosa1,0001,785
Yates1,866919
Grayburg3,996-1,211
San Andres4,601-1,816
Clear Fork6,480-3,695
Clear Fork6,488-3,703
Spraberry7,715-4,930
Wolfcamp—

11 TOPS · FIRST 8

Pier 22-23 Unit 142-317-45973

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

Santa Rosa1,0001,785
Yates1,869916
Grayburg4,000-1,215
San Andres4,602-1,817
Clear Fork6,488-3,703
Spraberry7,712-4,927
Dean9,047-6,262
Wolfcamp—

11 TOPS · FIRST 8

Pier 22-23 Unit 142-317-45965

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

Santa Rosa1,0001,785
Yates1,869916
Grayburg4,000-1,215
San Andres4,604-1,819
Clear Fork6,480-3,695
Clear Fork6,488-3,703
Spraberry7,712-4,927
Dean9,029-6,244

11 TOPS · FIRST 8

Pier 22-23 Unit 142-317-45966

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

Santa Rosa1,0001,785
Yates1,870915
Grayburg4,000-1,215
San Andres4,604-1,819
Clear Fork6,480-3,695
Clear Fork6,488-3,703
Spraberry7,713-4,928
Jomill8,399-5,614

13 TOPS · FIRST 8

Pier 22-23 Unit 142-317-45811

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

Santa Rosa1,0001,786
Yates1,862924
Queen3,654-868
Grayburg3,990-1,204
San Andres4,594-1,808
Clear Fork6,480-3,694
Spraberry7,716-4,930
Pennsylvanian—

11 TOPS · FIRST 8

Pier 22-23 Unit 142-317-45810

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

Santa Rosa1,0001,786
Yates2,69294
Queen3,654-868
Grayburg3,990-1,204
San Andres4,594-1,808
Clear Fork6,480-3,694
Spraberry7,716-4,930
Cisco—

11 TOPS · FIRST 8

Pier 22-23 Unit 142-317-45808

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

Santa Rosa1,0001,786
Yates2,69294
Queen3,653-867
Grayburg3,989-1,203
San Andres4,594-1,808
Clear Fork6,480-3,694
Spraberry7,716-4,930
Dean9,033-6,247

11 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/31745964, documented in the API reference.