42-235-33770
Final CompletionCATHEY RANCH 66
IRION County · District 7 · PIONEER NATURAL RES. USA INC. · MY WAY (CLEARFORK)
Permits
4
Max Depth
8,400 ft
First Permit
1998-08-26
Latest Activity
2002-01-11
Lifespan
3 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2001-10-05
Shut-In
—
Plugged
2010-12-21
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1999-01
Last Production
2011-02
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,613 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 4,442 ft | -1,829 ft |
| WOLFCAMP | 5,620 ft | -3,007 ft |
| CANYON | 6,830 ft | -4,217 ft |
| ELLENBURGER | 8,025 ft | -5,412 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (7)
| Interval | Type |
|---|---|
| 4,443–4,447 ft | Perforated |
| 6,622–6,813 ft | Perforated |
| 7,088–7,104 ft | Perforated |
| 7,254–7,270 ft | Perforated |
| 8,029–8,044 ft | Perforated |
| 8,050–8,076 ft | Perforated |
| 8,080–8,102 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 845 ft | 365 sx |
| 5.5" | 8,285 ft | 705 sx |
Permit History (4)
CATHEY RANCH 66 · 8,400 ft
2002-01-11
Spud 2001-09-18
CATHEY RANCH 66 · 8,400 ft
2000-04-07
Spud 2000-03-28
CATHEY RANCH 66 · 8,400 ft
1998-08-26
Spud 1998-09-29
CATHEY RANCH 66 · 8,400 ft
1998-08-26
Applications (4)
Records & Logs
6 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 8,400 ft
- Drill Type
- Vertical
- County
- IRION
- District
- 7
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2001-10-05
Operator
- Location
- Y SPRING
- P-5 Status
- Active (filed 2025-08-01)
- Cum Oil (all leases)
- 1,771,882,421 bbl
- Cum Gas (all leases)
- 1,763,727,021 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 15,400