TEXAS · WELLS · MIDLAND COUNTY · MASHBURN "45" LEASE · API 42-329-36009 · DISTRICT 7B
Mashburn 45 #1
Midland County · Spraberry (Trend Area) field · Producing · Vertical
Mashburn 45 #1 (API 42-329-36009) is a well in Midland County operated by Pioneer Natural Res. USA Inc., completed May 3, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued July 21, 2008, permitted to 10,240 ft.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its lease has reported 37.5K barrels of oil and 48.2K mcf of gas since September 2008, 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.Jul 21, 2008 |
- 10,240
- total depth, ft
- 1
- permits on file
- Jul 21, 2008
- last permit issued
- May 3, 2014
- completed
- 37.5K
- cumulative oil, bbl
- 48.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 3, 2014
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 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 |
|---|---|---|---|---|---|---|
| Mashburn "45" O-10-39037 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 37.5K | 48.2K | Sep 2008 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,608 · prior 12 1,577(+2%)
Gas, mcf lease total
Last 12 months 2,338 · prior 12 1,758(+33%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Nov 2008 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 666378-99 | Drill | Pioneer Natural Res. USA, Inc. | Jul 9, 2008 | Jul 21, 2008 | Jul 29, 2008 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 3, 2014 | Mashburn 45 O-10-39037 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Producing | 10,240 |
Formation tops
As filed on W-2/G-1. Subsea from 2,754 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,672 | 7,713 | Perforated |
| 7,672 | 8,650 | Perforated |
| 7,672 | 9,454 | Perforated |
| 8,459 | 8,650 | Perforated |
| 9,221 | 9,290 | Perforated |
| 9,342 | 9,454 | Perforated |
| 9,342 | 9,628 | Perforated |
| 9,525 | 9,628 | Perforated |
| 9,679 | 9,760 | Perforated |
| 9,679 | 10,144 | Perforated |
| 10,093 | 10,144 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 350 | 11 | 300 S |
| 4.5 | 10,232 | 7.875 | 545 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 | Oct 7, 2014 | May 22, 2014 | — |
| 00 | Mar 4, 2014 | Sep 4, 2013 | — |
| 00 | Mar 8, 2011 | Sep 23, 2010 | — |
| 00 | Jul 28, 2010 | Mar 29, 2010 | — |
| 00 | Feb 10, 2009 | Dec 15, 2008 | Yes |
| 00 | Jan 21, 2009 | — | — |
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 42-329-36009 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-36009 → 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.
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/32936009, documented in the API reference.