WELL · 42-329-46628 · DISTRICT 8
Elkin 21U #21H
Midland County · Spraberry (Trend Area) field · Producing · Horizontal
Elkin 21u #21H (API 42-329-46628) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed September 21, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued November 13, 2023, permitted to 9,363 ft.
Completion filings report 10 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.
Its lease has reported 321K barrels of oil and 406K mcf of gas since January 2024, last reporting in July 2026.
Operator of record
Spring, TX · P-5 Y, filed May 4, 2026 · 15,618 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Nov 13, 2023 |
- 9,363
- total depth, ft
- 3
- permits on file
- Nov 13, 2023
- last permit issued
- Sep 21, 2024
- completed
- 321K
- cumulative oil, bbl
- 406K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 21, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.068056, -102.017202
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Elkin 21U O-10-60711 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 321K | 406K | Jan 2024 – Jul 2026 |
Oil, barrels lease total
Last 12 months 156,129 · prior 12 164,493(-5%)
Gas, mcf lease total
Last 12 months 256,269 · prior 12 149,270(+72%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Sep 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 894331-97 | Drill | Pioneer Natural Res. USA, Inc. | Feb 24, 2025 | Nov 13, 2023 | Dec 2, 2023 | 8,588 |
| 894331-98 | Drill | Pioneer Natural Res. USA, Inc. | May 1, 2024 | Nov 13, 2023 | Dec 2, 2023 | 8,588 |
| 894331-99 | Drill | Pioneer Natural Res. USA, Inc. | Oct 5, 2023 | Nov 13, 2023 | Dec 2, 2023 | 9,363 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-60711 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,842 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,300 | 1,542 |
| Santa Rosa | 1,527 | 1,315 |
| Rustler | 1,800 | 1,042 |
| Yates | 2,766 | 76 |
| Seven Rivers | 3,037 | -195 |
| Queen | 3,724 | -882 |
| Grayburg | 4,235 | -1,393 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,427 | -1,585 |
| Clear ForkCLEARFORK | 6,800 | -3,958 |
| Spraberry | 7,693 | -4,851 |
| Glorieta | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,662 | 22,267 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,771 | 17.5 | 1,950 S |
| 9.625 | 6,074 | 12.25 | 1,760 S |
| 5.5 | 22,328 | 8.5 | 3,040 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 27, 2025 | Jan 19, 2025 | — |
| 00 | Apr 25, 2024 | Feb 27, 2024 | 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 42-329-46628 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-46628 → 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.
Elkin 21V42-329-46619
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,527 | 1,315 |
| Rustler | 1,801 | 1,041 |
| Yates | 2,768 | 74 |
| Seven Rivers | 3,044 | -202 |
| Queen | 3,732 | -890 |
| Grayburg | 4,228 | -1,386 |
| San Andres | 4,430 | -1,588 |
| Clear Fork | 6,800 | -3,958 |
10 TOPS · FIRST 8
Elkin 21W42-329-46620
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,300 | 1,542 |
| Rustler | 1,798 | 1,044 |
| Yates | 2,763 | 79 |
| Seven Rivers | 3,039 | -197 |
| Queen | 3,726 | -884 |
| Grayburg | 4,237 | -1,395 |
| San Andres | 4,438 | -1,596 |
| Clear Fork | 6,811 | -3,969 |
10 TOPS · FIRST 8
Elkin 21Y42-329-46622
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,300 | 1,542 |
| Rustler | 1,797 | 1,045 |
| Yates | 2,753 | 89 |
| Seven Rivers | 3,036 | -194 |
| Queen | 3,719 | -877 |
| Grayburg | 4,229 | -1,387 |
| San Andres | 4,422 | -1,580 |
| Clear Fork | 6,797 | -3,955 |
10 TOPS · FIRST 8
Elkin 21X42-329-46621
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,300 | 1,542 |
| Rustler | 1,799 | 1,043 |
| Yates | 2,760 | 82 |
| Seven Rivers | 3,041 | -199 |
| Queen | 3,725 | -883 |
| Grayburg | 4,229 | -1,387 |
| San Andres | 4,429 | -1,587 |
| Clear Fork | 6,802 | -3,960 |
10 TOPS · FIRST 8
Elkin 21T42-329-46618
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,300 | 1,542 |
| Rustler | 1,802 | 1,040 |
| Yates | 2,769 | 73 |
| Seven Rivers | 3,043 | -201 |
| Queen | 3,723 | -881 |
| Grayburg | 4,231 | -1,389 |
| San Andres | 4,423 | -1,581 |
| Clear Fork | 6,795 | -3,953 |
10 TOPS · FIRST 8
Elkin 21O42-329-46627
0.8 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,288 | 1,542 |
| Rustler | 1,820 | 1,010 |
| Yates | 2,743 | 87 |
| Seven Rivers | 3,022 | -192 |
| Queen | 3,705 | -875 |
| Grayburg | 4,245 | -1,415 |
| San Andres | 4,430 | -1,600 |
| Clear Fork | 6,788 | -3,958 |
10 TOPS · FIRST 8
Elkin 21N42-329-46617
0.8 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,515 | 1,315 |
| Rustler | 1,817 | 1,013 |
| Yates | 2,743 | 87 |
| Seven Rivers | 3,022 | -192 |
| Queen | 3,707 | -877 |
| Grayburg | 4,254 | -1,424 |
| San Andres | 4,444 | -1,614 |
| Clear Fork | 6,793 | -3,963 |
10 TOPS · FIRST 8
Elkin 21M42-329-46616
0.8 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,288 | 1,542 |
| Rustler | 1,812 | 1,018 |
| Yates | 2,755 | 75 |
| Seven Rivers | 3,032 | -202 |
| Queen | 3,721 | -891 |
| Grayburg | 4,253 | -1,423 |
| San Andres | 4,440 | -1,610 |
| Clear Fork | 6,790 | -3,960 |
10 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/32946628, documented in the API reference.