WELL · 42-329-42416 · DISTRICT 8
Shackelford W31A #1H
Midland County · Spraberry (Trend Area) R 40 Exc field · Producing · Horizontal
Shackelford W31a #1H (API 42-329-42416) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed October 16, 2020 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 11, 2018, permitted to 9,557 ft.
Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 298K barrels of oil and 3.17M mcf of gas since February 2020, last reporting in July 2026.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
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.Dec 31, 2018 |
- 9,557
- total depth, ft
- 2
- permits on file
- Dec 31, 2018
- last permit issued
- Oct 16, 2020
- completed
- 298K
- cumulative oil, bbl
- 3.17M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 16, 2020
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
31.795337, -101.922715
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 |
|---|---|---|---|---|---|---|
| Shackelford W31A O-10-54243 | Spraberry (Trend Area) R 40 Exc | Pioneer Natural Res. USA, Inc. | 1 | 298K | 3.17M | Feb 2020 – Jul 2026 |
Gas, mcf lease total
Last 12 months 321,539 · prior 12 577,600(-44%)
Oil, barrels lease total
Last 12 months 17,656 · prior 12 14,931(+18%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Oct 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 838129-98 | Drill | Pioneer Natural Res. USA, Inc. | Oct 3, 2019 | Dec 31, 2018 | Nov 26, 2019 | 10,610 |
| 838129-99 | Drill | Pioneer Natural Res. USA, Inc. | Mar 28, 2018 | May 11, 2018 | — | 10,660 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-54243 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,693 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 951 | 1,742 |
| Santa Rosa | 986 | 1,707 |
| Yates | 2,514 | 179 |
| Yates | 2,515 | 178 |
| Seven Rivers | 2,821 | -128 |
| Queen | 3,545 | -852 |
| Queen | 3,546 | -853 |
| Grayburg | 4,179 | -1,486 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,294 | -1,601 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,295 | -1,602 |
| Clear ForkCLEARFORK | 6,506 | -3,813 |
| Spraberry | 7,378 | -4,685 |
| SpraberrySPRABERRY UPPER-DEAN | 8,757 | -6,064 |
| Glorieta | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,776 | 19,757 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,404 | 17.5 | 1,390 S |
| 9.625 | 5,799 | 12.25 | 1,066 S |
| 5.5 | 19,782 | 6.75 | 1,053 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 | Dec 6, 2022 | Nov 8, 2022 | — |
| 00 | Dec 9, 2020 | Nov 30, 2020 | Yes |
| 00 | Aug 10, 2020 | Jul 2, 2020 | 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 42-329-42416 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-42416 → 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 neighbors, subsea-aligned so they line up regardless of surface terrain.
Shackelford W3Q42-329-42417
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 951 | 1,742 |
| Yates | 2,521 | 172 |
| Seven Rivers | 2,820 | -127 |
| Queen | 3,544 | -851 |
| Grayburg | 4,160 | -1,467 |
| San Andres | 4,308 | -1,615 |
| Clear Fork | 6,508 | -3,815 |
| Spraberry | 7,368 | -4,675 |
11 TOPS · FIRST 8
Shackelford W3R42-329-42418
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 951 | 1,742 |
| Yates | 2,520 | 173 |
| Seven Rivers | 2,820 | -127 |
| Queen | 3,544 | -851 |
| Grayburg | 4,164 | -1,471 |
| San Andres | 4,298 | -1,605 |
| Clear Fork | 6,498 | -3,805 |
| Spraberry | 7,364 | -4,671 |
10 TOPS · FIRST 8
Shackelford 31-26B42-329-47383
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 937 | 1,742 |
| Rustler | 1,548 | 1,131 |
| Yates | 2,509 | 170 |
| Seven Rivers | 2,805 | -126 |
| Queen | 3,529 | -850 |
| Grayburg | 4,099 | -1,420 |
| San Andres | 4,221 | -1,542 |
| Clear Fork | 6,500 | -3,821 |
10 TOPS · FIRST 8
Shackelford 31-26A42-329-47382
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 937 | 1,742 |
| Rustler | 1,562 | 1,117 |
| Yates | 2,500 | 179 |
| Seven Rivers | 2,808 | -129 |
| Queen | 3,528 | -849 |
| Grayburg | 4,100 | -1,421 |
| San Andres | 4,226 | -1,547 |
| Clear Fork | 6,504 | -3,825 |
10 TOPS · FIRST 8
Shackelford 31-26C42-329-47384
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 963 | 1,742 |
| Rustler | 1,584 | 1,121 |
| Yates | 2,528 | 177 |
| Seven Rivers | 2,829 | -124 |
| Queen | 3,547 | -842 |
| Grayburg | 4,116 | -1,411 |
| San Andres | 4,338 | -1,633 |
| Clear Fork | 6,525 | -3,820 |
10 TOPS · FIRST 8
Shackelford Spraberry Unit42-329-47356
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 963 | 1,742 |
| Rustler | 1,572 | 1,133 |
| Yates | 2,512 | 193 |
| Seven Rivers | 2,827 | -122 |
| Queen | 3,547 | -842 |
| Grayburg | 4,121 | -1,416 |
| San Andres | 4,252 | -1,547 |
| Clear Fork | 6,525 | -3,820 |
10 TOPS · FIRST 8
Shackelford 31-26E42-329-47385
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 963 | 1,742 |
| Rustler | 1,582 | 1,123 |
| Yates | 2,529 | 176 |
| Seven Rivers | 2,830 | -125 |
| Queen | 3,547 | -842 |
| Grayburg | 4,113 | -1,408 |
| San Andres | 4,332 | -1,627 |
| Clear Fork | 6,522 | -3,817 |
10 TOPS · FIRST 8
Shackelford 31-26F42-329-47387
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 963 | 1,742 |
| Rustler | 1,583 | 1,122 |
| Yates | 2,522 | 183 |
| Seven Rivers | 2,830 | -125 |
| Queen | 3,546 | -841 |
| Grayburg | 4,112 | -1,407 |
| San Andres | 4,336 | -1,631 |
| Clear Fork | 6,516 | -3,811 |
20 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/32942416, documented in the API reference.