42-441-31904
Final CompletionTHORNTON E. L.
TAYLOR County · District 7 · QUANTUM INVESTMENTS · POTOSI (COOK SAND)
Permits
1
Max Depth
2,150 ft
First Permit
1981-06-24
Latest Activity
1981-06-24
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1993-12-20
Shut-In
—
Plugged
2014-06-26
EWA / Production operator mismatch
Scheduling: QUANTUM INVESTMENTS ≠ Production: GRAY OIL & GAS INC. (reported 2006-04)
EWA / Permit operator mismatch
Scheduling: QUANTUM INVESTMENTS ≠ Permit: DE SOTO OPERATING COMPANY
Resolved via: scheduling → QUANTUM INVESTMENTS
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
Injection / Disposal
Permitted Volume
—
Max Pressure
—
Injection Interval
—
Injected (12mo)
—
Operator History
originally filed by DE SOTO OPERATING COMPANY — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 2,090 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DOLTHAM | 1,654 ft | +436 ft |
| DOLTHAN | 1,654 ft | +436 ft |
| GOLDBUST | 2,012 ft | +78 ft |
| GOULDBUST | 2,012 ft | +78 ft |
| COOK SAND | 2,120 ft | -30 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 |
|---|---|
| 2,120–2,124 ft | Perforated |
| 2,120–2,142 ft | Perforated |
| 2,140–2,142 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 110 ft | 85 sx |
| 2" | 2,100 ft | — |
| 4.5" | 2,250 ft | 374 sx |
Permit History (1)
Applications (2)
Records & Logs
3 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
- 7
- Max Depth
- 2,150 ft
- Drill Type
- Vertical
- County
- TAYLOR
- District
- 7
- Operator
- QUANTUM INVESTMENTS
- Completed
- 1993-12-20
Operator
- Name
- QUANTUM INVESTMENTS
- Location
- LUBBOCK
- P-5 Status
- Delinquent (filed 2012-10-23)
- Cum Oil (all leases)
- 10,552 bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 10