Apparatus for extracting minerals through a borehole
Patent
·
OSTI ID:5734490
An apparatus consisting of pipe sections pivotally joined which can be insert in a borehole when in straight position and manipulated to a zigzag position to loosen minerals outside the wall of the borehole.
- Assignee:
- Stamicarbon B V (Netherlands)
- Patent Number(s):
- US 4278137
- OSTI ID:
- 5734490
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
012000 -- Coal
Lignite
& Peat-- Mining
02 PETROLEUM
020200 -- Petroleum-- Reserves
Geology
& Exploration
42 ENGINEERING
420206* -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
BOREHOLES
CAVITIES
DESIGN
DRILLING
DRILLING EQUIPMENT
EQUIPMENT
EXTRACTION
MINERALS
PIPES
SEPARATION PROCESSES
WELL DRILLING
012000 -- Coal
Lignite
& Peat-- Mining
02 PETROLEUM
020200 -- Petroleum-- Reserves
Geology
& Exploration
42 ENGINEERING
420206* -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
BOREHOLES
CAVITIES
DESIGN
DRILLING
DRILLING EQUIPMENT
EQUIPMENT
EXTRACTION
MINERALS
PIPES
SEPARATION PROCESSES
WELL DRILLING