WELL · 42-461-42671 · DISTRICT 7
Neff East O 9-45 #2615H
Upton County · Spraberry (Trend Area) field · Horizontal
Neff East O 9-45 #2615H (API 42-461-42671) is a horizontal well in Upton County operated by Diamondback E&P LLC, completed July 17, 2025.
The RRC has issued one drilling permit (amended 4 times), issued January 11, 2024, permitted to 10,605 ft.
Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Clear Fork.
Its 2 leases have reported 295K barrels of oil and 370K mcf of gas since January 2025, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
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 schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Diamondback E&P LLCJan 11, 2024 |
- 10,605
- total depth, ft
- 5
- permits on file
- Jan 11, 2024
- last permit issued
- Jul 17, 2025
- completed
- 295K
- cumulative oil, bbl
- 370K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 17, 2025
- Shut in
- —
- Plugged
- —
Surface location
31.591342, -102.077701
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Upton County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases 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 |
|---|---|---|---|---|---|---|
| Neff East O 9-45 O-9-23341 | Spraberry (Trend Area) | Diamondback E&P LLC | 3 | 183K | 152K | Jan 2025 – Jul 2026 |
| Neff East G 9-45 O-9-23402 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 112K | 218K | Dec 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 294,722 · prior 12 0
Gas, mcf lease total
Last 12 months 370,223 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCJul 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 896343-95 | Drill | Diamondback E&P LLC | Oct 9, 2025 | Jan 11, 2024 | — | 8,547 |
| 896343-96 | Drill | DE IV Operating, LLC | Dec 3, 2024 | Jan 11, 2024 | — | 10,605 |
| 896343-97 | Drill | DE IV Operating, LLC | Jun 5, 2024 | Jan 11, 2024 | — | 10,605 |
| 896343-98 | Drill | DE IV Operating, LLC | Jan 29, 2024 | Jan 11, 2024 | — | 10,605 |
| 896343-99 | Drill | DE IV Operating, LLC | Jan 5, 2024 | Jan 11, 2024 | Jan 6, 2025 | 10,605 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-23341 | — | — | — | — |
| — | — O-9-23402 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,826 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,661 | 165 |
| Grayburg | 4,520 | -1,694 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,881 | -2,055 |
| Clear ForkCLEARFORK | 6,852 | -4,026 |
| Spraberry | 7,702 | -4,876 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,787 | 24,331 | Perforated |
| 9,786 | 24,331 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 505 | 17.5 | 445 S |
| 9.625 | 7,875 | 12.25 | 2,140 S |
| 5.5 | 24,455 | 7.875 | 2,170 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 | Mar 16, 2026 | Dec 8, 2025 | Yes |
| 00 | Dec 17, 2025 | Oct 20, 2025 | 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 42-461-42671 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-42671 → 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.
Neff East N 9-4542-461-42668
0.2 KM · DE IV Operating, LLC · Section with this well →
| Yates | 2,666 | 160 |
| Grayburg | 4,529 | -1,703 |
| San Andres | 4,887 | -2,061 |
| Spraberry | 7,705 | -4,879 |
| Devonian | — | |
| Ellenburger | — | |
| Wolfcamp | — | |
| Strawn | — |
9 TOPS · FIRST 8
Neff East O 9-4542-461-42667
0.2 KM · DE IV Operating, LLC · Section with this well →
| San Andres | — | |
| Spraberry | — | |
| Yates | — | |
| Wolfcamp | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — | |
| Grayburg | — |
9 TOPS · FIRST 8
Neff East O 9-4542-461-42666
0.2 KM · DE IV Operating, LLC · Section with this well →
| Spraberry | 7,681 | -4,855 |
| Dean | 9,001 | -6,175 |
| Wolfcamp | 9,915 | -7,089 |
| Strawn | 10,530 | -7,704 |
| Devonian | — | |
| Yates | — | |
| San Andres | — | |
| Grayburg | — |
10 TOPS · FIRST 8
Neff East M 9-4542-461-42662
0.2 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,681 | 145 |
| Grayburg | 4,097 | -1,271 |
| San Andres | 5,285 | -2,459 |
| San Andres | 5,295 | -2,469 |
| Clear Fork | 6,781 | -3,955 |
| Spraberry | 7,574 | -4,748 |
| Wolfcamp | 9,171 | -6,345 |
| Ellenburger | — |
11 TOPS · FIRST 8
Neff East N 9-4542-461-42665
0.5 KM · DE IV Operating, LLC · Section with this well →
| Yates | 2,675 | 151 |
| Grayburg | 4,535 | -1,709 |
| San Andres | 4,896 | -2,070 |
| Spraberry | 9,698 | -6,872 |
| Devonian | — | |
| Fusselman | — | |
| Strawn | — | |
| Wolfcamp | — |
9 TOPS · FIRST 8
Neff East N 9-4542-461-42664
0.5 KM · DE IV Operating, LLC · Section with this well →
| Yates | 2,675 | 150 |
| Grayburg | 4,535 | -1,710 |
| San Andres | 4,896 | -2,071 |
| Spraberry | 7,707 | -4,882 |
| Wolfcamp | 9,185 | -6,360 |
| Devonian | — | |
| Ellenburger | — | |
| Strawn | — |
9 TOPS · FIRST 8
Neff East M 9-4542-461-42663
0.5 KM · DE IV Operating, LLC · Section with this well →
| Strawn | — | |
| Yates | — | |
| Wolfcamp | — | |
| Spraberry | — | |
| San Andres | — | |
| Grayburg | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Neff East M 9-4542-461-42661
0.5 KM · DE IV Operating, LLC · Section with this well →
| Devonian | — | |
| Yates | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Spraberry | — | |
| San Andres | — | |
| Grayburg | — | |
| Fusselman | — |
9 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/46142671, documented in the API reference.