TEXAS · WELLS · MARTIN COUNTY · COX, KENNETH LEASE · API 42-317-32677 · DISTRICT 7B
Cox Kenneth #4
Martin County · Spraberry (Trend Area) field · Vertical
Cox Kenneth #4 (API 42-317-32677) is a plugged well in Martin County, plugged March 8, 1996, last operated by Diamondback E&P LLC.
The RRC has issued one drilling permit, issued February 16, 1983, permitted to 9,400 ft.
It was permitted by Cox, John L. 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 Cox, John L.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,237
- Phone
- (432) 221-7400
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 | Cox, John L.Feb 16, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,400
- total depth, ft
- 1
- permits on file
- Feb 16, 1983
- last permit issued
- Apr 9, 1983
- 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
- Apr 9, 1983
- Shut in
- —
- Plugged
- Mar 8, 1996
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 |
|---|---|---|---|---|---|---|
| 186134-99 | Drill | Cox, John L. | Feb 16, 1983 | Feb 16, 1983 | — | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 9, 1983 | Cox Kenneth O-10-21575 | Spraberry (Trend Area) | Diamondback E&P LLC | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,970 | 9,220 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 324 | 17.5 | 400 S |
| 8.625 | 4,222 | 11 | 1,000 S |
| 2.375 | 8,790 | — | — |
| 4.5 | 9,260 | 7.875 | 1,400 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 | Jan 12, 1984 | Apr 21, 1983 | — |
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 42-317-32677 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-32677 → 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/31732677, documented in the API reference.