WELL · 42-173-31825 · DISTRICT 8
Calverley D #4
Glasscock County · Vertical
Calverley D #4 (API 42-173-31825) is a permitted well in Glasscock County filed by JM Cox Resources, L.P.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1985 and 2014, permitted to 9,000 ft.
Completion filings report 3 formation tops, including Cretaceous, Spraberry, Dean.
Its lease has reported 87.9K barrels of oil and 160K mcf of gas since January 1993, last reporting in June 2015. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Dec 7, 2018 · 180 permits on file · (432) 682-9435
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | JM Cox Resources, L.P.through Aug 2014 |
| Latest permit | JM Cox Resources, L.P.Aug 21, 2014 |
- 9,000
- total depth, ft
- 2
- permits on file
- Aug 21, 2014
- last permit issued
- —
- completed
- 87.9K
- cumulative oil, bbl
- 160K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2015
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 lease this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Calverley -D- O-10-23753 | Spraberry (Trend Area) | JM Cox Resources, L.P. | 4 | 87.9K | 160K | Jan 1993 – Jun 2015 |
No volumes reported on these leases in the last three years.
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 → Mar 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 788645-99 | Recompletion | JM Cox Resources, L.P. | Jun 4, 2014 | Aug 21, 2014 | — | 8,600 |
| 270041-99 | Drill | Cox, John L. | Mar 15, 1985 | Mar 18, 1985 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-23753 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,672 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,900 | 7,220 | Perforated |
| 7,476 | 7,822 | Perforated |
| 8,238 | 8,500 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 354 | 17.5 | 350 S |
| 8.625 | 4,210 | 11 | 1,000 S |
| 4.5 | 8,520 | 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 | Nov 5, 1985 | Oct 14, 1985 | Yes |
| 00 | Oct 29, 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 42-173-31825 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-31825 → 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/17331825, documented in the API reference.