TEXAS · WELLS · GLASSCOCK COUNTY · API 42-173-00633 · DISTRICT 6E
Cox C. J. A #1
Glasscock County · Spraberry (Trend Area CL. Fk.) field · Horizontal
Cox C. J. A #1 (API 42-173-00633) is a plugged horizontal well in Glasscock County, plugged April 18, 2012, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued one drilling permit, issued November 21, 1997, permitted to 7,623 ft.
Completion filings report 2 formation tops, including Clear Fork, Dean.
Its 3 leases have reported 45.2K barrels of oil and 246K mcf of gas since January 1993, with no volume in the three years through April 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
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 Apr 2010 |
| Latest permit | Pioneer Natural Res. USA, Inc.Nov 21, 1997 |
- 7,623
- total depth, ft
- 1
- permits on file
- Nov 21, 1997
- last permit issued
- Jan 20, 1998
- completed
- 45.2K
- cumulative oil, bbl
- 246K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 20, 1998
- Shut in
- —
- Plugged
- Apr 18, 2012
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cox, C. J. "A" O-9-14741 | Spraberry (Trend Area CL. Fk.) | Pioneer Natural Res. USA, Inc. | 1 | 38.4K | 224K | Jan 1998 – Apr 2010 |
| Cox, Charles J. -A- O-9-13965 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 1.05K | 3.55K | Nov 1995 – Jun 1996 |
| Cox, Charles J. -A- O-9-7049 | Calvin (Dean) | Coda Energy, Inc. | 1 | 5.66K | 18.2K | Jan 1993 – Oct 1995 |
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.
- 1Snyder Oil CorporationJan 1993 → Sep 1995
- 2Coda Energy, Inc.Oct 1995 → Jun 1996
- 3Pioneer Natural Res. USA, Inc.Jan 1998 → Mar 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 470435-99 | Recompletion | Pioneer Natural Res. USA, Inc. | Nov 21, 1997 | Nov 21, 1997 | Dec 3, 1997 | 7,623 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 20, 1998 | Cox C. J. A O-9-14741 | Spraberry (Trend Area CL. Fk.) | Pioneer Natural Res. USA Inc. | Plugged | — |
| Nov 30, 1976 | Cox Charles J. -A- O-9-13965 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Plugged | — |
| Nov 30, 1976 | Cox Charles J. -A- O-9-7049 | Calvin (Dean) | Coda Energy Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,711 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkTOP OF CLEARFORK | 6,157 | -3,446 |
| DeanTOP OF DEAN | 8,100 | -5,389 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,400 | 7,167 | Perforated |
| 8,123 | 8,381 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 309 | — | 250 S |
| 7 | 6,668 | — | 350 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 6, 1998 | Feb 5, 1998 | Yes |
| 00 | Mar 31, 1998 | — | — |
| 00 | Nov 19, 1996 | Oct 21, 1996 | — |
| 00 | Dec 12, 1995 | Dec 31, 1976 | — |
| 00 | Jan 12, 1984 | Dec 31, 1976 | — |
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 42-173-00633 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-00633 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/17300633, documented in the API reference.