TEXAS · WELLS · MIDLAND COUNTY · COWDEN 40 -B- LEASE · API 42-329-38936 · DISTRICT 7B
Cowden 40 -B- #8
Midland County · Spraberry (Trend Area) field · Producing · Vertical
Cowden 40 -B- #8 (API 42-329-38936) is a well in Midland County operated by Pioneer Natural Res. USA Inc., completed June 22, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 3, 2013, permitted to 11,580 ft.
Completion filings report 10 formation tops, including Canyon, Devonian, Fusselman, Glorieta.
Its lease has reported 493K barrels of oil and 5.7M mcf of gas since January 1993, last reporting volume in April 2026. The lease carries 6 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 Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Oct 3, 2013 |
- 11,580
- total depth, ft
- 1
- permits on file
- Oct 3, 2013
- last permit issued
- Jun 22, 2014
- completed
- 493K
- cumulative oil, bbl
- 5.7M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 22, 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; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden 40 -B- O-10-23961 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 6 | 493K | 5.7M | Jan 1993 – Apr 2026 |
Gas, mcf lease total
Last 12 months 4,508 · prior 12 214,127(-98%)
Oil, barrels lease total
Last 12 months 1,626 · prior 12 10,303(-84%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Plains Petroleum Operating Co.Jan 1993 → Sep 1993
- 2Midkiff, JohnOct 1993 → Sep 2004
- 3Quay Valley, Inc.Oct 2004 → Apr 2006
- 4Big Star Oil & Gas, LLCMay 2006 → May 2006
- 5Pioneer Natural Res. USA, Inc.Jun 2006 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 770842-99 | Drill | Pioneer Natural Res. USA, Inc. | Sep 30, 2013 | Oct 3, 2013 | Apr 23, 2014 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 22, 2014 | Cowden 40 -B- O-10-23961 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Producing | 11,580 |
Formation tops
As filed on W-2/G-1. Subsea from 2,802 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CanyonCANYON-STRAWN | — | — |
| Devonian | — | — |
| Fusselman | — | — |
| Glorieta | — | — |
| Mississippian | — | — |
| Pennsylvanian | — | — |
| Queen | — | — |
| Santa Rosa | — | — |
| Seven Rivers | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,334 | 11,526 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 375 | 17.5 | 430 S |
| 8.625 | 4,839 | 11 | 870 S |
| 5.5 | 11,580 | 7.875 | 950 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 | Nov 25, 2014 | Aug 12, 2014 | Yes |
Well logs
1 log loaded from the RRC's log index, the latest received Dec 16, 2014. Neutron. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| NEUTRON POROSITY | TIFF | 4,430 to 11,542 | Dec 16, 2014run May 23, 2014 | 7.56 |
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 42-329-38936 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-38936 → 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/32938936, documented in the API reference.