WELL · 42-329-31410 · DISTRICT 8
Cowden -40- #1
Midland County · Spraberry (Trend Area) field · Vertical
Cowden -40- #1 (API 42-329-31410) is a plugged well in Midland County, plugged July 12, 2010, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued 2 drilling permits between 1984 and 1990, permitted to 9,839 ft.
It was permitted by Mlc CO., Inc. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its 2 leases have reported 103K barrels of oil and 322K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by MLC Co., Inc.; the EWA schedule now lists a different operator.
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 Jul 2025 |
| Latest permit | MLC Co., Inc.Feb 5, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,839
- total depth, ft
- 2
- permits on file
- Feb 5, 1990
- last permit issued
- Feb 24, 2010
- completed
- 103K
- cumulative oil, bbl
- 322K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 24, 2010
- Shut in
- —
- Plugged
- Jul 12, 2010
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cowden -40- O-10-32526 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 3 | 103K | 322K | Jan 1993 – Jul 2026 |
| — O-10-29550 | — | — | 0 | 0 | 0 | — |
Oil, barrels lease total
Last 12 months 1 · prior 12 2,098(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 2,499(-100%)
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 → Feb 2006
- 4Big Star Oil & Gas, LLCMay 2006 → May 2006
- 5Pioneer Natural Res. USA, Inc.Jun 2006 → Jul 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 367201-99 | Recompletion | MLC Co., Inc. | Dec 4, 1989 | Feb 5, 1990 | — | 8,800 |
| 254823-99 | Drill | Continental U S Exploration, Inc | Nov 8, 1984 | Oct 17, 1984 | — | 9,839 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-29550 | — | — | — | — |
| — | — O-10-32526 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,801 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 7,250 | -4,449 |
| Clear ForkTOP OF CLEARFORK | 7,280 | -4,479 |
| Spraberry | 7,600 | -4,799 |
| SpraberryTOP OF SPRABERRY | 7,994 | -5,193 |
| Dean | 8,570 | -5,769 |
| WolfcampTOP OF WOLFCAMP | 9,160 | -6,359 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,644 | 8,038 | Perforated |
| 8,247 | 8,626 | Perforated |
| 9,337 | 9,435 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 359 | 17.5 | 425 S |
| 8.625 | 4,402 | 11 | 1,880 S |
| 5.5 | 9,490 | 7.875 | 530 S |
| 5.5 | — | 7.875 | 100 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 | Jul 28, 2010 | Mar 29, 2010 | — |
| 00 | Mar 14, 1990 | Feb 23, 1990 | Yes |
| 00 | Mar 5, 1990 | — | — |
| 00 | Feb 13, 1985 | Jan 24, 1985 | — |
| 00 | Feb 9, 1985 | — | — |
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 42-329-31410 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-31410 → 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/32931410, documented in the API reference.