WELL · 42-371-37742 · DISTRICT 8
Cowden B #605
Pecos County · Spraberry (Trend Area) field · Vertical
Cowden B #605 (API 42-371-37742) is a permitted well in Pecos County filed by Fossil Rock Resources, Inc.; no completion report is on file yet.
The RRC has issued one drilling permit, issued June 7, 2006, permitted to 2,500 ft.
It was permitted by Fossil Rock Resources, Inc. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Yates, Seven Rivers, Queen.
Its 3 leases have reported 277K barrels of oil and 722K mcf of gas since August 2004, last reporting in July 2026. The leases carry 11 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Fossil Rock Resources, Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Fossil Rock Resources, Inc.Jun 7, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,500
- total depth, ft
- 1
- permits on file
- Jun 7, 2006
- last permit issued
- —
- completed
- 277K
- cumulative oil, bbl
- 722K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 3 leases this well is completed on; they carry 11 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Imperial O-10-37668 | Pecos Valley (High Gravity) | Mosaic Oil LLC | 3 | 32.2K | 26.6K | Aug 2004 – Jul 2026 |
| Cowden "B" O-10-38012 | Spraberry (Trend Area) | Diamondback E&P LLC | 6 | 245K | 695K | Oct 2006 – Jul 2026 |
| Imperial "72" O-10-38102 | Pecos Valley (High Gravity) | Fossil Rock Resources, Inc. | 2 | 0 | 0 | Dec 2006 – Jun 2008 |
Oil, barrels lease total
Last 12 months 6,816 · prior 12 4,200(+62%)
Gas, mcf lease total
Last 12 months 8,880 · prior 12 4,244(+109%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fossil Rock Resources, Inc.Jul 2005 → Apr 2016
- 2LCX Energy, LLCOct 2006 → Sep 2009
- 3Endeavor Energy Resources L.P.Oct 2009 → Dec 2024
- 4Ouut Investing LLCAug 2016 → May 2018
- 5Mosaic Oil LLCMay 2020 → Mar 2021
- 6Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 620584-99 | Drill | Fossil Rock Resources, Inc. | Jun 7, 2006 | Jun 7, 2006 | Jun 8, 2006 | 2,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-37668 | — | — | — | — |
| — | — O-10-38012 | — | — | — | — |
| — | — O-10-38102 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,442 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,190 | 1,252 |
| Seven Rivers | 1,306 | 1,136 |
| Queen | 1,609 | 833 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,694 | 1,732 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 427 | 12.25 | 250 S |
| 5.5 | 2,490 | 7.875 | 700 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 23, 2008 | Feb 26, 2008 | — |
| 00 | Apr 14, 2008 | — | — |
| 00 | Jun 11, 2007 | Dec 13, 2006 | Yes |
| 00 | Jun 5, 2007 | — | — |
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 42-371-37742 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-37742 → 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/37137742, documented in the API reference.