42-417-36366
Final CompletionDILLER 563
SHACKELFORD County · District 7 · SIERRA SPECIAL OIL COMPANY · SHACKELFORD COUNTY REGULAR
Permits
2
Max Depth
800 ft
First Permit
1985-06-11
Latest Activity
1988-03-22
Lifespan
3 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-07-19
Shut-In
—
Plugged
1986-11-07
EWA / Production operator mismatch
Scheduling: SIERRA SPECIAL OIL COMPANY ≠ Production: EDINGTON OIL COMPANY (reported 2002-03)
EWA / Permit operator mismatch
Scheduling: SIERRA SPECIAL OIL COMPANY ≠ Permit: BROWN, CLIFF OPERATING CORP.
Resolved via: scheduling → SIERRA SPECIAL OIL COMPANY
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 (2)
CSV| Formation | Top Depth (MD) |
|---|---|
| LOWER TANNEHILL (Tannehill) | 730 ft |
| LOWER TANNEHILL (Tannehill) | 731 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗
Perforations (2)
| Interval | Type |
|---|---|
| 730–734 ft | Perforated |
| 731–734 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 754 ft | 120 sx |
| 4.5" | 760 ft | 115 sx |
Permit History (2)
Applications (2)
Records & Logs
4 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4
- Max Depth
- 800 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- SIERRA SPECIAL OIL COMPANY
- Completed
- 1985-07-19
Operator
- Location
- LUBBOCK
- P-5 Status
- Inactive (filed 1986-04-23)
- Total Permits
- 24