WELL · 42-173-00403 · DISTRICT 7
Cox D #1
Glasscock County · Spraberry (Trend Area) field · Vertical
Cox D #1 (API 42-173-00403) is a plugged well in Glasscock County, plugged April 23, 2019, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued one drilling permit, issued July 18, 1990, permitted to 8,650 ft.
It was permitted by Hanley Petroleum Inc. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Spraberry, Dean.
Its 3 leases have reported 93.9K barrels of oil and 241K mcf of gas since January 1993, last reporting in September 2019. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Hanley Petroleum Inc.; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Oct 2016 |
| Latest permit | Hanley Petroleum Inc.Jul 18, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,650
- total depth, ft
- 1
- permits on file
- Jul 18, 1990
- last permit issued
- Aug 24, 1990
- completed
- 93.9K
- cumulative oil, bbl
- 241K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 24, 1990
- Shut in
- —
- Plugged
- Apr 23, 2019
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cox "D" O-10-34755 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 2 | 68.9K | 198K | Nov 1995 – Sep 2019 |
| Cox, C. J. "B" O-9-12898 | Calvin (Dean) | Hanley Petroleum Inc. | 2 | 25K | 43.1K | Jan 1993 – Jan 1996 |
| — O-10-32470 | — | — | 0 | 0 | 0 | — |
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.
- 1Hanley Petroleum Inc.Jan 1993 → Feb 1999
- 2Concho Resources Inc.Mar 1999 → Jun 2001
- 3Devon Energy Production Co, L.P.Jul 2001 → Jul 2002
- 4L & D, Inc.Aug 2002 → Aug 2005
- 5Pioneer Natural Res. USA, Inc.Sep 2005 → Aug 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 375610-99 | Recompletion | Hanley Petroleum Inc. | Jul 16, 1990 | Jul 18, 1990 | — | 8,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-12898 | — | — | — | — |
| — | — O-10-32470 | — | — | — | — |
| — | — O-10-34755 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,710 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,862 | 7,738 | Perforated |
| 8,203 | 8,494 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 345 | — | — |
| 10.75 | 358 | 12.75 | 225 S |
| 5.5 | 7,773 | — | — |
| 5.5 | 7,799 | 7.875 | 300 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 | Dec 19, 1995 | Aug 29, 1990 | Yes |
| 00 | Oct 23, 1990 | Aug 29, 1990 | Yes |
| 00 | Oct 12, 1990 | — | — |
| 00 | Jan 25, 1990 | Dec 19, 1961 | — |
| 00 | Jan 18, 1990 | — | — |
| 00 | Jan 12, 1984 | Dec 19, 1961 | — |
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 42-173-00403 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-00403 → 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/17300403, documented in the API reference.