Junk boot. [To catch debris not removed by drilling fluids]
Patent
·
OSTI ID:6842209
A tubular, flexible rubber-like junk boot is positioned on the lower end of a drill string, blade-type stabilizer to catch small but dense particles of debris which are not removed from the hole by the drilling fluid. The boot has means on its lower end for clamping the boot in place. 4 claims.
- Assignee:
- Smith International Inc.
- Patent Number(s):
- US 4111262
- OSTI ID:
- 6842209
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
CLEANING
CONTAINERS
DENSITY
DESIGN
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
FASTENERS
FIELD PRODUCTION EQUIPMENT
PARTICLES
PHYSICAL PROPERTIES
PIPES
REMOVAL
WELLS
020300* -- Petroleum-- Drilling & Production
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
CLEANING
CONTAINERS
DENSITY
DESIGN
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
FASTENERS
FIELD PRODUCTION EQUIPMENT
PARTICLES
PHYSICAL PROPERTIES
PIPES
REMOVAL
WELLS