WELL · 42-461-42852 · DISTRICT 7
Humperdinck D1 #1421HL
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Humperdinck D1 #1421HL (API 42-461-42852) is a horizontal well in Upton County operated by Diamondback E&P LLC, completed January 28, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 7, 2024, permitted to 9,500 ft.
It was permitted by Trp Operating LLC and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 9 formation tops, including Grayburg, San Andres, Spraberry, Wolfcamp.
Its lease has reported 132K barrels of oil and 343K mcf of gas since January 2025, last reporting in July 2026.
Operator of record
Permitted by TRP Operating LLC; 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 schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | TRP Operating LLCJun 7, 2024 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Jun 7, 2024
- last permit issued
- Jan 28, 2025
- completed
- 132K
- cumulative oil, bbl
- 343K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 28, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.261619, -101.848549
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Humperdinck D1 O-9-23141 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 132K | 343K | Jan 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 74,875 · prior 12 57,611(+30%)
Gas, mcf lease total
Last 12 months 277,587 · prior 12 65,840(+322%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 900228-99 | Drill | TRP Operating LLC | Jun 4, 2024 | Jun 7, 2024 | Aug 15, 2024 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-23141 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,697 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 3,620 | -923 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,189 | -1,492 |
| Spraberry | 6,785 | -4,088 |
| Wolfcamp | 8,298 | -5,601 |
| Yates | 22,740 | -20,043 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,474 | 19,764 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,086 | 17.5 | 1,105 S |
| 9.625 | 8,533 | 12.25 | 1,030 S |
| 5.5 | 19,801 | 8.5 | 4,160 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 4, 2025 | Apr 16, 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 42-461-42852 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-42852 → 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.
Humperdinck C42-461-42850
0.0 KM · TRP Operating LLC · Section with this well →
| Yates | 2,255 | 442 |
| Grayburg | 3,611 | -914 |
| San Andres | 4,187 | -1,490 |
| Spraberry | 6,774 | -4,077 |
| Wolfcamp | 8,301 | -5,604 |
| Devonian | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Humperdinck D42-461-42853
0.0 KM · TRP Operating LLC · Section with this well →
| Yates | 2,265 | 432 |
| Grayburg | 3,617 | -920 |
| San Andres | 4,205 | -1,508 |
| Spraberry | 6,785 | -4,088 |
| Wolfcamp | 8,306 | -5,609 |
| Fusselman | — | |
| Strawn | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Humperdinck C42-461-42851
0.0 KM · TRP Operating LLC · Section with this well →
| Yates | 2,229 | 468 |
| Grayburg | 3,621 | -924 |
| San Andres | 4,212 | -1,515 |
| Spraberry | 6,782 | -4,085 |
| Devonian | — | |
| Strawn | — | |
| Wolfcamp | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Humperdinck B42-461-42849
0.1 KM · TRP Operating LLC · Section with this well →
| Yates | 2,263 | 432 |
| Grayburg | 3,610 | -915 |
| San Andres | 4,175 | -1,480 |
| Spraberry | 6,778 | -4,083 |
| Wolfcamp | 8,282 | -5,587 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Humperdinck B42-461-42848
0.2 KM · TRP Operating LLC · Section with this well →
| Yates | 2,239 | 456 |
| Grayburg | 3,607 | -912 |
| San Andres | 4,173 | -1,478 |
| Spraberry | 6,762 | -4,067 |
| Wolfcamp | 8,272 | -5,577 |
| Ellenburger | — | |
| Devonian | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Humperdinck A42-461-42846
0.2 KM · TRP Operating LLC · Section with this well →
| Yates | 2,239 | 456 |
| Grayburg | 3,611 | -916 |
| San Andres | 4,174 | -1,479 |
| Spraberry | 6,764 | -4,069 |
| Wolfcamp | 8,276 | -5,581 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Humperdinck A42-461-42847
0.2 KM · TRP Operating LLC · Section with this well →
| Yates | 2,270 | 424 |
| Grayburg | 3,608 | -914 |
| San Andres | 4,157 | -1,463 |
| Spraberry | 6,758 | -4,064 |
| Strawn | — | |
| Wolfcamp | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
University 3-14C42-461-42885
1.4 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,235 | 495 |
| Seven Rivers | 2,559 | 171 |
| Queen | 3,279 | -549 |
| Grayburg | 4,105 | -1,375 |
| San Andres | 4,255 | -1,525 |
| Clear Fork | 6,047 | -3,317 |
| Spraberry | 6,767 | -4,037 |
| Dean | 8,095 | -5,365 |
13 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/46142852, documented in the API reference.