WELL · 42-173-31409 · DISTRICT 8
Cox 27 #10
Glasscock County · Spraberry (Trend Area) field · Shut IN · Vertical
Cox 27 #10 (API 42-173-31409) is a well in Glasscock County operated by Crescent Energy Operating LLC, completed May 18, 1983 and listed as shut in on the RRC schedule, shut in February 1, 2018.
The RRC has issued one drilling permit, issued April 22, 1983, permitted to 8,370 ft.
It was permitted by Bta Oil Producers and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including San Andres, Clear Fork, Spraberry, Wolfcamp.
Its 2 leases have reported 53.6K barrels of oil and 181K mcf of gas since January 1993, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by BTA Oil Producers; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Aug 28, 2025
- Permits on file
- 54
- Phone
- (713) 337-4600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Parsley Energy Operations LLC |
| Production reports | Parsley Energy Operations, LLCthrough Apr 2017 |
| Latest permit | BTA Oil ProducersApr 22, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,370
- total depth, ft
- 1
- permits on file
- Apr 22, 1983
- last permit issued
- May 18, 1983
- completed
- 53.6K
- cumulative oil, bbl
- 181K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 18, 1983
- Shut in
- Feb 1, 2018
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cox 27 O-10-52845 | Spraberry (Trend Area) | Crescent Energy Operating, LLC | 7 | 0 | 0 | Sep 2019 – Jul 2026 |
| 7613 JV-P Cox -B- O-10-24893 | Blalock Lake,s.(wolfcamp) | Parsley Energy Operations, LLC | 3 | 53.6K | 181K | Jan 1993 – Aug 2019 |
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.
- 1BTA Oil ProducersJan 1993 → Jan 2008
- 2BTA Oil Producers, LLCFeb 2008 → Sep 2016
- 3Parsley Energy Operations, LLCOct 2016 → Apr 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 192333-99 | Drill | BTA Oil Producers | Apr 22, 1983 | Apr 22, 1983 | — | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 18, 1983 | Cox 27 O-10-52845 | Spraberry (Trend Area) | Crescent Energy Operating LLC | Shut IN | 8,370 |
| May 18, 1983 | 7613 JV-P Cox -B- O-10-24893 | Blalock Lake S.(wolfcamp) | Parsley Energy Operations LLC | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,646 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 3,307 | -661 |
| Clear ForkCLEARFORK | 5,538 | -2,892 |
| SpraberryUPPER SPRABERRY | 6,360 | -3,714 |
| SpraberryLOWER SPRABERRY | 7,006 | -4,360 |
| WolfcampWOLFCAMP SHALE | 7,852 | -5,206 |
| WolfcampWOLFCAMP LS. | 8,150 | -5,504 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,200 | 8,212 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 400 | 17.5 | 400 S |
| 8.625 | 3,055 | 11 | 500 S |
| 2.875 | 8,036 | — | — |
| 5.5 | 8,370 | 7.875 | 1,185 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 31, 2020 | Jan 6, 2020 | — |
| 00 | Jan 30, 2020 | May 26, 1983 | — |
| 00 | Jan 12, 1984 | May 26, 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 42-173-31409 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-31409 → 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/17331409, documented in the API reference.