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Top head drive well drilling apparatus with stabbing guide

Patent ·
OSTI ID:6382099
;
A top head drive well drilling apparatus is described comprising: a drive unit for rotating a drill string about the longitudinal axis of the drill string; a stem, extending downward from the drive unit, for transmitting torque from the drive unit to the drill string; a wrench assembly, mounted on the drive unit, for making and breaking connections between the stem and the drilling string; means for moving the wrench assembly between a working position on the stem and a retracted position radically away from the stem; and a stabbing guide, mounted on the wrench assembly, for aligning the stem and the drill string.
Assignee:
Hughes Tool Co., Houston, TX
Patent Number(s):
US 4667752
OSTI ID:
6382099
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
ALIGNMENT
DRILL BITS
DRILL PIPES
DRILLING
DRILLING EQUIPMENT
EQUIPMENT
FASTENERS
MECHANICAL STRUCTURES
MOTION
MOTORS
NATURAL GAS WELLS
OIL WELLS
PIPES
ROTATION
SUPPORTS
TORQUE
WELL DRILLING
WELLS