WELL · 42-317-39941 · DISTRICT 8
Cox Kenneth #8
Martin County · Spraberry (Trend Area) field · Vertical
Cox Kenneth #8 (API 42-317-39941) is a plugged well in Martin County, plugged November 8, 2018, last operated by Diamondback E&P LLC.
The RRC has issued one drilling permit, issued October 10, 2014, permitted to 12,000 ft.
It was permitted by JM Cox Resources, L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Its lease has reported 152K barrels of oil and 836K mcf of gas since January 1993, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by JM Cox Resources, L.P.; 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 Feb 2024 |
| Latest permit | JM Cox Resources, L.P.Oct 10, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 1
- permits on file
- Oct 10, 2014
- last permit issued
- Dec 7, 2014
- completed
- 152K
- cumulative oil, bbl
- 836K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 7, 2014
- Shut in
- —
- Plugged
- Nov 8, 2018
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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cox, Kenneth O-10-21575 | Spraberry (Trend Area) | Diamondback E&P LLC | 7 | 152K | 836K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cox, John L.Jan 1993 → Sep 2003
- 2JM Cox Resources, L.P.Oct 2003 → Oct 2017
- 3QEP Energy CompanyNov 2017 → Sep 2021
- 4Diamondback E&P LLCOct 2021 → Feb 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 797812-99 | Drill | JM Cox Resources, L.P. | Oct 6, 2014 | Oct 10, 2014 | Oct 26, 2014 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-21575 | — | — | — | — |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 374 | 17.5 | 450 S |
| 8.625 | 5,092 | 11 | 1,205 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 | Feb 1, 2018 | Oct 30, 2017 | Yes |
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 42-317-39941 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-39941 → 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/31739941, documented in the API reference.