42-371-35637
Final CompletionDOWNIE RANCH
PECOS County · District 8 · SANDRIDGE ENERGY INC. · THISTLE (CABALLOS B)
Permits
1
Max Depth
3,500 ft
First Permit
1985-10-21
Latest Activity
1985-10-21
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-04-26
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: SANDRIDGE ENERGY INC. ≠ Production: LONGFELLOW ENERGY, LP (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: SANDRIDGE ENERGY INC. ≠ Permit: SHELL WESTERN E&P INC.
Resolved via: production → LONGFELLOW ENERGY, LP
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
1993-01
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 3,263 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 550 ft | +2,713 ft |
| CABALLOS | 2,080 ft | +1,183 ft |
| ORDOVICIAN | 2,834 ft | +429 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 (3)
| Interval | Type |
|---|---|
| 2,413–2,834 ft | Perforated |
| 2,671–2,710 ft | Perforated |
| 2,716–2,834 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 40 ft | — |
| 9.625" | 906 ft | 400 sx |
| 7" | 3,499 ft | 735 sx |
Permit History (1)
Applications (1)
Records & Logs
5 completion filings on record · 1 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
- 407
- Max Depth
- 3,500 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- SANDRIDGE ENERGY INC.
- Completed
- 1988-04-26
Operator
- Name
- SANDRIDGE ENGY, INC
- Location
- OKLAHOMA CI, TY
- P-5 Status
- Inactive (filed 2008-09-19)
- Cum Oil (all leases)
- 186,349 bbl
- Cum Gas (all leases)
- 230,778,023 mcf
- Total Permits
- 698