Drill feeding and hoisting system for an earthdrill
Patent
·
OSTI ID:6204969
This patent describes in combination, a pulldown-pullback and hoisting system for an earthdrilling rig comprising: a derrick adapted to be pivotably mounted to a vehicle for movement between a generally horizontal transporting position and a generally vertical drilling position; a tophead-drive drill assembly slidably mounted on the derrick for rectilinear movement therealong; a hoist assembly adapted to be extended upward from the derrick; and a hydraulically actuated, telescoping piston and cylinder assembly.
- Assignee:
- Ingersoll-Rand Co., Woodcliff Lake, NJ
- Patent Number(s):
- US 4671365
- OSTI ID:
- 6204969
- Country of Publication:
- United States
- Language:
- English
Similar Records
Hydraulic clamp for rotary drilling head
Casing alignment tool
Articulated elevator links for top drive drill rig
Patent
·
Tue Jun 11 00:00:00 EDT 1991
·
OSTI ID:6006832
Casing alignment tool
Patent
·
Tue Jul 21 00:00:00 EDT 1987
·
OSTI ID:6306231
Articulated elevator links for top drive drill rig
Patent
·
Mon Dec 26 23:00:00 EST 1988
·
OSTI ID:6382903
Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CONTROL
CONTROL EQUIPMENT
CYLINDERS
DRILLING RIGS
EQUIPMENT
HOISTING
HOISTS
HYDRAULIC CONTROL DEVICES
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
NATURAL GAS WELLS
OIL WELLS
PISTONS
POSITIONING
PRESSURE CONTROL
VEHICLES
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CONTROL
CONTROL EQUIPMENT
CYLINDERS
DRILLING RIGS
EQUIPMENT
HOISTING
HOISTS
HYDRAULIC CONTROL DEVICES
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
NATURAL GAS WELLS
OIL WELLS
PISTONS
POSITIONING
PRESSURE CONTROL
VEHICLES
WELLS