WELL · 42-383-40256 · DISTRICT 7
Aldwell K R 40 #204H
Reagan County · Horizontal
Aldwell K R 40 #204H (API 42-383-40256) is a permitted horizontal well in Reagan County filed by Pioneer Natural Res. USA, Inc.; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 2018 and 2023, permitted to 10,425 ft.
Completion filings report 11 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.
Its lease has reported 3.73M barrels of oil and 18.7M mcf of gas since February 2015, last reporting in July 2026. The lease carries 20 wells, so these are lease totals, not this well alone.
Operator of record
Pioneer Natural Res. USA, Inc.
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 | none |
| Production reports | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Dec 5, 2023 |
- 10,425
- total depth, ft
- 3
- permits on file
- Dec 5, 2023
- last permit issued
- —
- completed
- 3.73M
- cumulative oil, bbl
- 18.7M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
31.450196, -101.704019
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Reagan 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 20 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Aldwell K R 40 O-9-18929 | Spraberry (Trend Area) R 40 Exc | Pioneer Natural Res. USA, Inc. | 20 | 3.73M | 18.7M | Feb 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 924,190 · prior 12 604,308(+53%)
Gas, mcf lease total
Last 12 months 3,015,075 · prior 12 2,717,794(+11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Apr 2015 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 895583-98 | Drill | Pioneer Natural Res. USA, Inc. | Jan 23, 2024 | Dec 5, 2023 | — | 10,425 |
| 895583-99 | Drill | Pioneer Natural Res. USA, Inc. | Nov 29, 2023 | Dec 5, 2023 | Jan 21, 2024 | 10,425 |
| 839346-99 | Drill | Pioneer Natural Res. USA, Inc. | Apr 26, 2018 | May 3, 2018 | — | 10,355 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-18929 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,638 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 876 | 1,762 |
| Rustler | 1,192 | 1,446 |
| Yates | 2,049 | 589 |
| Seven Rivers | 2,332 | 306 |
| Queen | 2,874 | -236 |
| Grayburg | 3,384 | -746 |
| San AndresSAN ANDRES - SALTWATER FLOW, POS | 3,564 | -926 |
| Clear ForkCLEARFORK | 5,569 | -2,931 |
| Spraberry | 6,483 | -3,845 |
| Dean | 7,876 | -5,238 |
| Wolfcamp | 8,053 | -5,415 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,095 | 19,476 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,119 | 17.5 | 1,300 S |
| 9.625 | 4,745 | 12.25 | 911 S |
| 5.5 | 19,501 | 6.75 | 1,162 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 | Sep 26, 2024 | Sep 9, 2024 | — |
| 00 | Apr 2, 2024 | Mar 14, 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 42-383-40256 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-40256 → 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.
Aldwell-Bird 10C42-383-41617
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 876 | 1,762 |
| Rustler | 1,185 | 1,453 |
| Yates | 2,038 | 600 |
| Seven Rivers | 2,329 | 309 |
| Queen | 2,886 | -248 |
| Grayburg | 3,377 | -739 |
| San Andres | 3,560 | -922 |
| Clear Fork | 5,585 | -2,947 |
11 TOPS · FIRST 8
Aldwell K R 4042-383-41620
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 876 | 1,762 |
| Rustler | 1,192 | 1,446 |
| Yates | 2,045 | 593 |
| Seven Rivers | 2,325 | 313 |
| Queen | 2,866 | -228 |
| Grayburg | 3,389 | -751 |
| San Andres | 3,575 | -937 |
| Clear Fork | 5,588 | -2,950 |
11 TOPS · FIRST 8
Aldwell K R 4042-383-41621
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 876 | 1,762 |
| Rustler | 1,186 | 1,452 |
| Yates | 2,033 | 605 |
| Seven Rivers | 2,324 | 314 |
| Queen | 2,861 | -223 |
| Grayburg | 3,408 | -770 |
| San Andres | 3,564 | -926 |
| Clear Fork | 5,575 | -2,937 |
11 TOPS · FIRST 8
Aldwell-Bird 10G42-383-41619
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 876 | 1,762 |
| Rustler | 1,185 | 1,453 |
| Yates | 2,037 | 601 |
| Seven Rivers | 2,325 | 313 |
| Queen | 2,860 | -222 |
| Grayburg | 3,376 | -738 |
| San Andres | 3,563 | -925 |
| Clear Fork | 5,574 | -2,936 |
11 TOPS · FIRST 8
Aldwell K R 4042-383-42035
0.4 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Queen | 2,854 | -204 |
| Grayburg | 3,364 | -714 |
| San Andres | 3,566 | -916 |
| Clear Fork | 5,557 | -2,907 |
| Spraberry | 6,470 | -3,820 |
| Dean | 7,867 | -5,217 |
| Wolfcamp | 8,041 | -5,391 |
| Ellenburger | — |
10 TOPS · FIRST 8
Aldwell K R 4042-383-42034
0.4 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Queen | 2,859 | -209 |
| Grayburg | 3,362 | -712 |
| San Andres | 3,571 | -921 |
| Clear Fork | 5,578 | -2,928 |
| Spraberry | 6,485 | -3,835 |
| Wolfcamp | 8,055 | -5,405 |
| Strawn | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Aldwell K R 4042-383-42033
0.5 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Queen | 2,847 | -197 |
| Grayburg | 3,350 | -700 |
| San Andres | 3,580 | -930 |
| Clear Fork | 5,575 | -2,925 |
| Spraberry | 6,476 | -3,826 |
| Fusselman | — | |
| Ellenburger | — | |
| Strawn | — |
Aldwell K R 4042-383-42036
0.5 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Queen | 2,858 | -208 |
| Grayburg | 3,374 | -724 |
| San Andres | 3,575 | -925 |
| Clear Fork | 5,572 | -2,922 |
| Spraberry | 6,482 | -3,832 |
| Wolfcamp | 8,056 | -5,406 |
| Fusselman | — | |
| Ellenburger | — |
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/38340256, documented in the API reference.