WELL · 42-329-44035 · DISTRICT 8
Cumberland West D #3404MS
Midland County · Spraberry (Trend Area) field · Producing · Horizontal
Cumberland West D #3404MS (API 42-329-44035) is a horizontal well in Midland County operated by Diamondback E&P LLC, completed February 22, 2021 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 18, 2020, permitted to 10,100 ft.
Completion filings report 12 formation tops, including Yates, Seven Rivers, Grayburg, San Andres.
Its lease has reported 1.37M barrels of oil and 4.25M mcf of gas since June 2020, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
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 | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Diamondback E&P LLCFeb 18, 2020 |
- 10,100
- total depth, ft
- 1
- permits on file
- Feb 18, 2020
- last permit issued
- Feb 22, 2021
- completed
- 1.37M
- cumulative oil, bbl
- 4.25M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 22, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.994007, -102.198189
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cumberland West D O-10-55232 | Spraberry (Trend Area) | Diamondback E&P LLC | 4 | 1.37M | 4.25M | Jun 2020 – Jul 2026 |
Gas, mcf lease total
Last 12 months 722,687 · prior 12 768,589(-6%)
Oil, barrels lease total
Last 12 months 71,116 · prior 12 100,879(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCFeb 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 860755-99 | Drill | Diamondback E&P LLC | Jan 9, 2020 | Feb 18, 2020 | Mar 29, 2020 | 10,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-55232 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,800 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,968 | -168 |
| Seven Rivers | 3,240 | -440 |
| Grayburg | 4,286 | -1,486 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,682 | -1,882 |
| Glorieta | 6,031 | -3,231 |
| Clear ForkCLEARFORK | 7,227 | -4,427 |
| Cambrian | — | — |
| Precambrian (Undifferentiated) | — | — |
| Queen | — | — |
| Rustler | — | — |
| Santa Rosa | — | — |
| Spraberry | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,019 | 21,958 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,896 | 17.5 | 1,300 S |
| 9.625 | 8,023 | 12.25 | 1,580 S |
| 5.5 | 22,115 | 8.5 | 3,260 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 26, 2021 | Aug 18, 2021 | Yes |
| 00 | Jan 21, 2021 | Jan 5, 2021 | — |
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 42-329-44035 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-44035 → scanned completion filings
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.
Cumberland West D42-329-44036
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,968 | -88 |
| Seven Rivers | 3,233 | -353 |
| Grayburg | 4,282 | -1,402 |
| San Andres | 4,682 | -1,802 |
| Glorieta | 6,027 | -3,147 |
| Clear Fork | 7,232 | -4,352 |
| Spraberry | 8,129 | -5,249 |
| Queen | — |
10 TOPS · FIRST 8
Cumberland West D42-329-44037
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,968 | -88 |
| Seven Rivers | 3,233 | -353 |
| Grayburg | 4,282 | -1,402 |
| San Andres | 4,682 | -1,802 |
| Glorieta | 6,027 | -3,147 |
| Clear Fork | 7,232 | -4,352 |
| Spraberry | 8,129 | -5,249 |
| Queen | — |
10 TOPS · FIRST 8
Cumberland West D42-329-44038
0.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,968 | -88 |
| Seven Rivers | 3,233 | -353 |
| Grayburg | 4,282 | -1,402 |
| San Andres | 4,682 | -1,802 |
| Glorieta | 6,027 | -3,147 |
| Clear Fork | 7,232 | -4,352 |
| Spraberry | 8,129 | -5,249 |
| Rustler | — |
10 TOPS · FIRST 8
Cumberland West B42-329-43610
0.1 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,134 | 1,747 |
| Yates | 2,969 | -88 |
| Seven Rivers | 3,232 | -351 |
| Queen | 3,767 | -886 |
| Grayburg | 4,283 | -1,402 |
| San Andres | 4,673 | -1,792 |
| Glorieta | 6,024 | -3,143 |
| Clear Fork | 7,228 | -4,347 |
10 TOPS · FIRST 8
Cumberland West B42-329-43609
0.1 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,134 | 1,747 |
| Yates | 2,967 | -86 |
| Seven Rivers | 3,223 | -342 |
| Queen | 3,759 | -878 |
| Grayburg | 4,279 | -1,398 |
| San Andres | 4,667 | -1,786 |
| Glorieta | 6,017 | -3,136 |
| Clear Fork | 7,230 | -4,349 |
10 TOPS · FIRST 8
Cumberland West B42-329-43605
0.1 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,966 | -85 |
| Seven Rivers | 3,229 | -348 |
| Grayburg | 4,282 | -1,401 |
| San Andres | 4,675 | -1,794 |
| Glorieta | 6,028 | -3,147 |
| Clear Fork | 7,229 | -4,348 |
| Spraberry | 8,137 | -5,256 |
| Spraberry | — |
10 TOPS · FIRST 8
Cumberland West B42-329-43604
0.1 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,972 | -92 |
| Seven Rivers | 3,232 | -352 |
| Grayburg | 4,289 | -1,409 |
| San Andres | 4,679 | -1,799 |
| Glorieta | 6,027 | -3,147 |
| Clear Fork | 7,233 | -4,353 |
| Spraberry | 8,131 | -5,251 |
| Queen | — |
10 TOPS · FIRST 8
Cumberland West I42-329-44034
0.3 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,084 | 1,800 |
| Yates | 2,968 | -84 |
| Seven Rivers | 3,233 | -349 |
| Queen | 3,688 | -804 |
| Grayburg | 4,282 | -1,398 |
| San Andres | 4,682 | -1,798 |
| Glorieta | 6,027 | -3,143 |
| Clear Fork | 7,228 | -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/32944035, documented in the API reference.