WELL · 42-329-43610 · DISTRICT 8

Cumberland West B #3402WB

Y

Midland County · Spraberry (Trend Area) field · Producing  · Horizontal

Cumberland West B #3402WB (API 42-329-43610) is a horizontal well in Midland County operated by Diamondback E&P LLC, completed March 22, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued August 2, 2019, permitted to 13,000 ft.

Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its lease has reported 1.58M barrels of oil and 4.92M mcf of gas since March 2020, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Diamondback E&P LLC

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 scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitDiamondback E&P LLCAug 2, 2019
13,000
total depth, ft
3
permits on file
Aug 2, 2019
last permit issued
Mar 22, 2020
completed
1.58M
cumulative oil, bbl
4.92M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 22, 2020
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.993283, -102.198800

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Midland 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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cumberland West B O-10-55323Spraberry (Trend Area)Diamondback E&P LLC41.58M4.92MMar 2020 – Jul 2026

Gas, mcf lease total

Last 12 months 990,066 · prior 12 800,530(+24%)

050K100K202420252026

Oil, barrels lease total

Last 12 months 68,578 · prior 12 84,416(-19%)

05K10K15K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCMar 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
855806-97DrillDiamondback E&P LLCDec 16, 2020Aug 2, 2019Aug 23, 201913,000
855806-98DrillDiamondback E&P LLCAug 8, 2019Aug 2, 2019Aug 23, 201910,840
855806-99DrillDiamondback E&P LLCJul 31, 2019Aug 2, 2019Aug 23, 201910,840

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-55323————

Formation tops

As filed on W-2/G-1. Subsea from 2,881 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,1341,747
Yates2,969-88
Seven Rivers3,232-351
Queen3,767-886
Grayburg4,283-1,402
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,673-1,792
Glorieta6,024-3,143
Clear ForkCLEARFORK7,228-4,347
Spraberry8,136-5,255
SpraberrySPRABERRY UPPER-DEAN9,351-6,470

Perforations

Perforated and open-hole intervals.

FromToType
10,13123,137Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,84417.51,100 S
9.6259,50912.251,162 S
5.523,2348.53,667 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
00Feb 11, 2021Jan 5, 2021Yes

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). 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 →

Cumberland West B42-329-43609

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

Santa Rosa1,1341,747
Yates2,967-86
Seven Rivers3,223-342
Queen3,759-878
Grayburg4,279-1,398
San Andres4,667-1,786
Glorieta6,017-3,136
Clear Fork7,230-4,349

10 TOPS · FIRST 8

Cumberland West B42-329-43605

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

Yates2,966-85
Seven Rivers3,229-348
Grayburg4,282-1,401
San Andres4,675-1,794
Glorieta6,028-3,147
Clear Fork7,229-4,348
Spraberry8,137-5,256
Santa Rosa—

10 TOPS · FIRST 8

Cumberland West B42-329-43604

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

Yates2,972-92
Seven Rivers3,232-352
Grayburg4,289-1,409
San Andres4,679-1,799
Glorieta6,027-3,147
Clear Fork7,233-4,353
Spraberry8,131-5,251
Spraberry—

10 TOPS · FIRST 8

Cumberland West D42-329-44035

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

Yates2,968-168
Seven Rivers3,240-440
Grayburg4,286-1,486
San Andres4,682-1,882
Glorieta6,031-3,231
Clear Fork7,227-4,427
Spraberry—
Cambrian—

12 TOPS · FIRST 8

Cumberland West D42-329-44036

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

Yates2,968-88
Seven Rivers3,233-353
Grayburg4,282-1,402
San Andres4,682-1,802
Glorieta6,027-3,147
Clear Fork7,232-4,352
Spraberry8,129-5,249
Santa Rosa—

10 TOPS · FIRST 8

Cumberland West D42-329-44037

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

Yates2,968-88
Seven Rivers3,233-353
Grayburg4,282-1,402
San Andres4,682-1,802
Glorieta6,027-3,147
Clear Fork7,232-4,352
Spraberry8,129-5,249
Queen—

10 TOPS · FIRST 8

Cumberland West D42-329-44038

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

Yates2,968-88
Seven Rivers3,233-353
Grayburg4,282-1,402
San Andres4,682-1,802
Glorieta6,027-3,147
Clear Fork7,232-4,352
Spraberry8,129-5,249
Rustler—

10 TOPS · FIRST 8

Cumberland West I42-329-44034

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

Santa Rosa1,0841,800
Yates2,968-84
Seven Rivers3,233-349
Queen3,688-804
Grayburg4,282-1,398
San Andres4,682-1,798
Glorieta6,027-3,143
Clear Fork7,228-4,344

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/32943610, documented in the API reference.