TEXAS · WELLS · IRION COUNTY · API 42-235-33770 · DISTRICT 6E
Cathey Ranch 66 #1
Irion County · MY Way (Clearfork) field · Vertical
Cathey Ranch 66 #1 (API 42-235-33770) is a plugged well in Irion County, plugged December 21, 2010, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued 3 drilling permits (amended once) between 1998 and 2002, permitted to 8,400 ft.
Completion filings report 4 formation tops, including Clear Fork, Wolfcamp, Canyon, Ellenburger.
Its 3 leases have reported 4.74K barrels of oil and 15.1K mcf of gas since January 1999, last reporting in February 2011. 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 Mar 2006 |
| Latest permit | Pioneer Natural Res. USA, Inc.Jan 11, 2002 |
- 8,400
- total depth, ft
- 4
- permits on file
- Jan 11, 2002
- last permit issued
- Oct 5, 2001
- completed
- 4.74K
- cumulative oil, bbl
- 15.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1999 THROUGH Feb 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 5, 2001
- Shut in
- —
- Plugged
- Dec 21, 2010
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 |
|---|---|---|---|---|---|---|
| Cathey Ranch 66 O-9-15232 | MY Way (Clearfork) | Pioneer Natural Res. USA, Inc. | 1 | 713 | 1.65K | Nov 2001 – Feb 2011 |
| Cathey Ranch 66 O-9-14985 | G B C (Wolfcamp) | Pioneer Natural Res. USA, Inc. | 1 | 4.02K | 13.5K | Sep 1999 – Feb 2005 |
| Cathey Ranch 66 O-9-14853 | Wildcat | Pioneer Natural Res. USA, Inc. | 1 | 0 | 0 | Jan 1999 – Jul 2000 |
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.
- 1Pioneer Natural Res. USA, Inc.Sep 1999 → Nov 2005
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 516785-99 | Recompletion | Pioneer Natural Res. USA, Inc. | Jan 11, 2002 | Jan 11, 2002 | Sep 18, 2001 | 8,400 |
| 493882-99 | Recompletion | Pioneer Natural Res. USA, Inc. | Apr 7, 2000 | Apr 7, 2000 | Mar 28, 2000 | 8,400 |
| 479011-98 | Drill | Pioneer Natural Res. USA, Inc. | Sep 3, 1998 | Aug 26, 1998 | Sep 29, 1998 | 8,400 |
| 479011-99 | Drill | Pioneer Natural Res. USA, Inc. | Aug 26, 1998 | Aug 26, 1998 | — | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 5, 2001 | Cathey Ranch 66 O-9-15232 | MY Way (Clearfork) | Pioneer Natural Res. USA Inc. | Plugged | — |
| Mar 29, 2000 | Cathey Ranch 66 O-9-14985 | G B C (Wolfcamp) | Pioneer Natural Res. USA Inc. | Plugged | — |
| Nov 4, 1998 | Cathey Ranch 66 O-9-14853 | Wildcat | Pioneer Natural Res. USA Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,613 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 4,442 | -1,829 |
| Wolfcamp | 5,620 | -3,007 |
| Canyon | 6,830 | -4,217 |
| Ellenburger | 8,025 | -5,412 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,443 | 4,447 | Perforated |
| 6,622 | 6,813 | Perforated |
| 7,088 | 7,104 | Perforated |
| 7,254 | 7,270 | Perforated |
| 8,029 | 8,044 | Perforated |
| 8,050 | 8,076 | Perforated |
| 8,080 | 8,102 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 845 | 11 | 365 S |
| 5.5 | 8,285 | 7.875 | 705 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 | Jun 6, 2002 | Feb 22, 2002 | Yes |
| 00 | Apr 2, 2002 | — | — |
| 00 | Feb 1, 2001 | Jul 31, 2000 | — |
| 00 | May 16, 2000 | — | — |
| 00 | Mar 11, 1999 | Jan 27, 1999 | Yes |
| 00 | Feb 2, 1999 | — | — |
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 42-235-33770 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-235-33770 → 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/23533770, documented in the API reference.