WELL · 42-461-35362 · DISTRICT 7
XBC 21 #212
Upton County · Spraberry (Trend Area) field · Vertical
Xbc 21 #212 (API 42-461-35362) is a well in Upton County operated by Pioneer Natural Res. USA Inc., completed October 6, 2007.
The RRC has issued 2 drilling permits between 2007 and 2015, permitted to 10,000 ft.
Completion filings report 5 formation tops, including Spraberry, Top Upr Spraberry, Top Lwr Spraberry, Dean.
Its 2 leases have reported 46.9K barrels of oil and 72.1K mcf of gas since October 2007, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
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 5, 2015 |
- 10,000
- total depth, ft
- 2
- permits on file
- Nov 5, 2015
- last permit issued
- Oct 6, 2007
- completed
- 46.9K
- cumulative oil, bbl
- 72.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 6, 2007
- Shut in
- —
- Plugged
- —
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.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Brook D-23N O-9-19206 | Spraberry (Trend Area) R 40 Exc | Pioneer Natural Res. USA, Inc. | 1 | 32.9K | 36.9K | Mar 2014 – Jul 2026 |
| XBC "21" O-9-16410 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 13.9K | 35.2K | Oct 2007 – May 2016 |
Oil, barrels lease total
Last 12 months 1,744 · prior 12 530(+229%)
Gas, mcf lease total
Last 12 months 809 · prior 12 1,688(-52%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Dec 2007 → Dec 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 811601-99 | Field transfer | Pioneer Natural Res. USA, Inc. | Oct 29, 2015 | Nov 5, 2015 | Jul 29, 2007 | 9,704 |
| 639157-99 | Drill | Pioneer Natural Res. USA, Inc. | May 16, 2007 | May 21, 2007 | Jul 14, 2007 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16410 | — | — | — | — |
| — | — O-9-19206 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,694 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,498 | 8,628 | Perforated |
| 8,498 | 9,523 | Perforated |
| 8,828 | 8,929 | Perforated |
| 9,048 | 9,168 | Perforated |
| 9,304 | 9,523 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 435 | 11 | 300 S |
| 4.5 | 9,697 | 7.875 | 1,000 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 | Apr 13, 2016 | Jan 19, 2016 | — |
| 00 | Jan 14, 2008 | Dec 13, 2007 | Yes |
| 00 | Jan 3, 2008 | — | — |
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 42-461-35362 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-35362 → 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.
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/46135362, documented in the API reference.