42-417-01379
NELLEN-REAVES UNIT
SHACKELFORD County · District 7 · SEQUOIA FOSSIL FUELS INC. · HUBBARD CREEK (LAKE SAND)
Permits
1
Max Depth
3,950 ft
First Permit
1990-03-19
Latest Activity
1990-03-19
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-03-16
Shut-In
—
Plugged
2008-10-21
EWA / Permit operator mismatch
Scheduling: SEQUOIA FOSSIL FUELS INC. ≠ Permit: BRECK OPERATING CORP.
Resolved via: scheduling → SEQUOIA FOSSIL FUELS INC.
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
originally filed by BRECK OPERATING CORP. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (2) Elevation 1,361 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CADDO | 3,822 ft | -2,461 ft |
| LAKE SAND | 3,938 ft | -2,577 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 (2)
| Interval | Type |
|---|---|
| 3,822–3,842 ft | Perforated |
| ?–3,940 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 163 ft | 80 sx |
| 5.5" | 3,940 ft | 150 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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
- 2
- Max Depth
- 3,950 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- SEQUOIA FOSSIL FUELS INC.
- Completed
- 1990-03-16
Operator
- Location
- ALBANY
- P-5 Status
- Delinquent (filed 2011-12-22)
- Cum Oil (all leases)
- 175,709 bbl
- Cum Gas (all leases)
- 2,437,921 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 142