WELL · 42-329-40987 · DISTRICT 8
Tubb 21 L Unit #5H
Midland County · Spraberry (Trend Area) R 40 Exc field · Producing · Horizontal
Tubb 21 L Unit #5H (API 42-329-40987) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed June 30, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 31, 2016, permitted to 9,801 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 1.2M barrels of oil and 3.28M mcf of gas since June 2017, last reporting in July 2026. The lease carries 3 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
- 15,628
- 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.May 31, 2016 |
- 9,801
- total depth, ft
- 2
- permits on file
- May 31, 2016
- last permit issued
- Jun 30, 2017
- completed
- 1.2M
- cumulative oil, bbl
- 3.28M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 30, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
31.934245, -102.091742
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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tubb 21 L Unit O-10-49140 | Spraberry (Trend Area) R 40 Exc | Pioneer Natural Res. USA, Inc. | 3 | 1.2M | 3.28M | Jun 2017 – Jul 2026 |
Gas, mcf lease total
Last 12 months 337,982 · prior 12 226,407(+49%)
Oil, barrels lease total
Last 12 months 16,999 · prior 12 24,371(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Jul 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 815948-98 | Drill | Pioneer Natural Res. USA, Inc. | Jun 13, 2017 | May 31, 2016 | Sep 16, 2016 | 11,000 |
| 815948-99 | Drill | Pioneer Natural Res. USA, Inc. | May 27, 2016 | May 31, 2016 | Sep 16, 2016 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 30, 2017 | Tubb 21 L Unit O-10-49140 | Spraberry (Trend Area) R 40 Exc | Pioneer Natural Res. USA Inc. | Producing | 9,801 |
Formation tops
As filed on W-2/G-1. Subsea from 2,828 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 894 | 1,934 |
| Yates | 1,320 | 1,508 |
| Seven Rivers | 3,025 | -197 |
| Queen | 3,777 | -949 |
| Grayburg | 4,399 | -1,571 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,531 | -1,703 |
| Clear ForkCLEARFORK | 6,963 | -4,135 |
| Spraberry | 7,844 | -5,016 |
| SpraberrySPRABERRY UPPER-DEAN | 9,192 | -6,364 |
| Wolfcamp | 9,385 | -6,557 |
| Glorieta | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,920 | 19,792 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,738 | 17.5 | 1,800 S |
| 9.625 | 7,706 | 12.25 | 802 S |
| 5.5 | 19,822 | 6.75 | 733 S |
| 4.5 | 19,968 | 6.75 | 733 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 | Feb 16, 2018 | Aug 14, 2017 | — |
| 00 | Jan 23, 2018 | Oct 5, 2017 | 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 42-329-40987 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-40987 → 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.
Tubb 21 U Unit42-329-40986
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 912 | 1,918 |
| Yates | 2,775 | 55 |
| Seven Rivers | 3,061 | -231 |
| Queen | 3,809 | -979 |
| Grayburg | 4,420 | -1,590 |
| San Andres | 4,554 | -1,724 |
| Clear Fork | 6,991 | -4,161 |
| Spraberry | 7,851 | -5,021 |
10 TOPS · FIRST 8
Tubb 21 U Unit42-329-40988
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 728 | 2,100 |
| Yates | 2,767 | 61 |
| Seven Rivers | 3,060 | -232 |
| Queen | 3,817 | -989 |
| Grayburg | 4,431 | -1,603 |
| San Andres | 4,563 | -1,735 |
| Clear Fork | 6,990 | -4,162 |
| Spraberry | 6,994 | -4,166 |
10 TOPS · FIRST 8
Tubb 21 L Unit42-329-40985
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 923 | 1,907 |
| Yates | 2,766 | 64 |
| Seven Rivers | 3,074 | -244 |
| Queen | 3,810 | -980 |
| Grayburg | 4,415 | -1,585 |
| San Andres | 4,562 | -1,732 |
| Clear Fork | 6,999 | -4,169 |
| Spraberry | 7,844 | -5,014 |
10 TOPS · FIRST 8
Tubb 21 U Unit42-329-40984
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 915 | 1,913 |
| Yates | 2,754 | 74 |
| Seven Rivers | 3,058 | -230 |
| Queen | 3,810 | -982 |
| Grayburg | 4,398 | -1,570 |
| San Andres | 4,555 | -1,727 |
| Clear Fork | 6,994 | -4,166 |
| Spraberry | 7,850 | -5,022 |
10 TOPS · FIRST 8
Tubb 21 L Unit42-329-40983
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 908 | 1,920 |
| Yates | 2,747 | 81 |
| Seven Rivers | 3,053 | -225 |
| Queen | 3,835 | -1,007 |
| Grayburg | 4,412 | -1,584 |
| San Andres | 4,577 | -1,749 |
| Clear Fork | 6,993 | -4,165 |
| Spraberry | 7,848 | -5,020 |
10 TOPS · FIRST 8
Tubb-Vaughn 21G42-329-45457
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,113 | 1,710 |
| Rustler | 1,745 | 1,078 |
| Yates | 2,754 | 69 |
| Seven Rivers | 3,049 | -226 |
| Queen | 3,800 | -977 |
| Grayburg | 4,339 | -1,516 |
| San Andres | 4,555 | -1,732 |
| Clear Fork | 6,989 | -4,166 |
16 TOPS · FIRST 8
Tubb-Vaughn 21H42-329-45458
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,113 | 1,710 |
| Rustler | 1,745 | 1,078 |
| Yates | 2,753 | 70 |
| Seven Rivers | 3,045 | -222 |
| Queen | 3,797 | -974 |
| Grayburg | 4,336 | -1,513 |
| San Andres | 4,555 | -1,732 |
| Clear Fork | 6,984 | -4,161 |
10 TOPS · FIRST 8
Tubb-Vaughn 21I42-329-45459
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 1,113 | 1,710 |
| Rustler | 1,745 | 1,078 |
| Yates | 2,750 | 73 |
| Seven Rivers | 3,043 | -220 |
| Queen | 3,802 | -979 |
| Grayburg | 4,343 | -1,520 |
| San Andres | 4,554 | -1,731 |
| Clear Fork | 6,984 | -4,161 |
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/32940987, documented in the API reference.