TEXAS · WELLS · MIDLAND COUNTY · SHACKELFORD SPRABERRY UNIT LEASE · API 42-329-35027 · DISTRICT 7B
Shackelford Spraberry Unit #4604A
Midland County · Spraberry (Trend Area) field · Vertical
Shackelford Spraberry Unit #4604A (API 42-329-35027) is a plugged well in Midland County, plugged February 27, 2020, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued 2 drilling permits between 2000 and 2003, permitted to 9,050 ft.
Completion filings report 2 formation tops, including Spraberry, Dean.
Its lease has reported 36.7M barrels of oil and 105M mcf of gas since the record begins in January 1993, last reporting volume in August 2026. The lease carries 637 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,633
- 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 Aug 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Dec 30, 2003 |
- 9,050
- total depth, ft
- 2
- permits on file
- Dec 30, 2003
- last permit issued
- Jul 6, 2004
- completed
- 36.7M
- cumulative oil, bbl
- 105M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 6, 2004
- Shut in
- —
- Plugged
- Feb 27, 2020
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 637 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Shackelford Spraberry Unit O-10-18187 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 637 | 36.7M | 105M | by Jan 1993 – Aug 2026 |
Oil, barrels lease total
Last 12 months 1,178,877 · prior 12 571,055(+106%)
Gas, mcf lease total
Last 12 months 2,690,060 · prior 12 2,193,396(+23%)
Wells named Shackelford Spraberry Unit
Pioneer Natural Res. USA Inc.'s other wells filed under this lease name in Midland County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Parker & Parsley Development Co.Jan 1993 → Feb 1995
- 2Parker & Parsley Development L.PMar 1995 → Aug 1997
- 3Pioneer Natural Res. USA, Inc.Sep 1997 → Aug 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 540123-99 | Drill | Pioneer Natural Res. USA, Inc. | Dec 23, 2003 | Dec 30, 2003 | Apr 27, 2004 | 8,950 |
| 491269-99 | Drill | Pioneer Natural Res. USA, Inc. | Jan 20, 2000 | Feb 14, 2000 | — | 9,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 6, 2004 | Shackelford Spraberry Unit O-10-18187 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,674 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 713 | 7,307 | Perforated |
| 7,804 | 8,038 | Perforated |
| 8,593 | 8,784 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 378 | 17.5 | 375 S |
| 8.625 | 4,657 | 11 | 500 S |
| 4.5 | 8,950 | 7.875 | 1,085 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 21, 2004 | Aug 4, 2004 | Yes |
| 00 | Sep 20, 2004 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-329-35027 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-35027 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/32935027, documented in the API reference.