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6543121 |
Method and apparatus for actuating riveting tooling
Riveting apparatus wherein a planetary roller screw delivers the high forces required for actuating the fastener upset tooling. In order that precise control of the entire upset operation may be...
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6502648 |
360 degree clutch collar
An adjustment mechanism for a clutch. The adjustment mechanism includes an annular adjustment structure having an adjustment profile with a ramp section, a first adjustment segment, a last...
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6357100 |
Apparatus for actuating tooling
Riveting apparatus wherein a planetary roller screw delivers the high forces required for actuating the fastener upset tooling. In order that precise control of the entire upset operation may be...
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6227306 |
Pipe gripping device
A pipe gripping device is taught which is useful for moving pipe into and/or out of a well. The pipe gripping device includes a first set of slips for holding a pipe in a pipe light condition and a...
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5795079 |
Shaft bearing in a rock and ground-drilling machine
A rock or ground-drilling machine includes a gear housing (14) in which there is journalled a shaft (31) which surrounds a drill string (23) in the manner of a sleeve and which is affixed to the...
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5765651 |
Cable-tool casing hammer
A novel improvement in a tubular ram device for bi-directional driving of pipe casing, vertically or horizontally, wherein the driving hammer imparts the force to the pipe casing through a...
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5746276 |
Method of rotating a tubular member
A tool 60 for rotating a tubular member 80 passing through a slip assembly 66 is powered by a rotary table 62 of a drilling rig. Tool 60 includes a cam ring 8 having a plurality of interior camming...
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5658091 |
Apparatus for inserting prefabricated vertical drains into the earth
Apparatus for inserting prefabricated drain members downwardly into underlying earth which includes a vertically extending mast that supports an elongated earth penetrating mandrel. The mandrel is...
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5566769 |
Tubular rotation tool for snubbing operations
A tool 60 for rotating a tubular member 80 passing through a slip assembly 66 is powered by a rotary table 62 of a drilling rig. Tool 60 includes a cam ring 8 having a plurality of interior camming...
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5350027 |
Drill machine table
A drilling machine for a mobile drilling appliance which includes a housing which is adapted to travel along a jobber, a drive motor mounted on said housing, a pinion operatively connected to said...
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5215153 |
Apparatus for use in driving or withdrawing such earth entering elements as drills and casings
Apparatus for driving earth entering elements such as drills and casings which can be threaded together to form strings has a column to be erected in a wanted position. The column is provided with...
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5213449 |
Apparatus for inserting wick drains into the earth
Apparatus for inserting flexible drainage wick members downwardly into the earth which comprises a mast having a hollow longitudinally extending chamber therein, and an insertion tube disposed in...
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5191840 |
Spike driving machine having pushing and percussive spike driving functions
A machine for driving spikes into the ties of a railroad track includes a spike driving assembly movably disposed relative to a frame for gripping spikes and driving gripped spikes into the ties,...
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4676312 |
Well casing grip assurance system
A casing grip assurance interlock system connected with the elevator and the spider of a well casing installation apparatus including positioning valves respectively actuated by the elevator and...
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4643262 |
Pressurized medium actuated gripping device
A pressurized medium actuated gripping device which is included in a rock or earth drilling machine for rotary drilling, and is adapted for gripping a drill rod for transmitting rotation and/or...
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4637477 |
Device in rock drilling machines
A device in rock drilling machines with a gripping device (24) which is rotatably mounted in a non-rotating drilling head (14) and intended to grip a drill string (21) for transferring rotational...
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4582146 |
Earth drilling apparatus
A drill pipe rotary drive mechanism for an earth drilling apparatus comprises a housing, a drive member mounted in the housing for rotation therein about a rotary axis and having an axial bore...
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4516662 |
Rod-clamping means of a percussive air tool for driving into the ground and removing therefrom rod-like pieces
A rod-clamping device comprises an impact load transmission assembly which includes a housing having a through axial cavity and a system of jamming elements, a rocoil force take up assembly which...
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4478292 |
Pipe gripping apparatus with interlocking plates
In accordance with an illustrative embodiment of the present invention, the individual slip members of a pipe handling apparatus are maintained in substantially the same horizontal plane by plate...
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4431063 |
Drive mechanism for drill
A drive mechanism for a drill provides both rotational drive and axial feed for a drill of substantial diameter such as those used to drill holes for roof bolts in mine shafts. A plurality of...
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4429753 |
Rotary pull down pull up drive for drill pipes
A gear drive used in water well drilling or blast hole drilling to remove overburden in open pit coal mining, not only rotates the drill pipe but also pulls down or pulls out the drill pipe as it...
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4421175 |
Method of drilling and casing a well
A well drilling rig having a rotary table for driving a drill string rotatively and having jacking mechanism for lowering casing into the well after drilling, with the jacking mechanism including...
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4396401 |
Poking system for gasifiers
A poking system for use in checking the condition of and agitating the contents of a coal gasifier utilizes a carriage (22) for transporting a poker (50) around the gasifier from one poke hole (12)...
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4306626 |
Hydraulic earth boring machine
A hydraulic earth boring machine for forming conduit passageways beneath established surfaces such as roadways, walkways, or the like. The boring machine includes a hydraulic cylinder having an...
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4290494 |
Flexible shaft and roof drilling system
A system for drilling holes in the roof of a mine has a flexible shaft with a pair of oppositely wound, coaxial flat bands. One of the flat bands defines an inner spring that is wound right handed...
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4273199 |
Torquer/thruster
A torquer/thruster with a hydrostatically actuated chuck assembly having an elastomeric bladder that is fitted about a cylindrical collet into which a flexible roof drill is received. The collet is...
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4269277 |
Power slip assembly
Disclosed are apparatus for gripping and manipulating pipe members, including a plurality of slip carriers mounted on an equal number of carrier actuators. The carrier actuators are arranged within...
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4196914 |
Chuck for an earth boring machine
Rotary and axial forces are transmitted through a chuck to a rotary drill string. The chuck clampingly engages the drill string to transmit rotary and axial forces. A multiplicity of jaw elements...
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4190119 |
Earth drilling apparatus
An earth drilling method and apparatus utilizes a unique drill string rotary drive and support arrangement which provides for the utilization of longer drill strings than could heretofore be...
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4128133 |
Torquer/thruster for flexible roofdrill
A torquer/thruster with a hydrostatically actuated chuck assembly configured to drivingly engage a flexible roofdrill for applying rotational torque and longitudinal thrust to the roofdrill shaft....
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4086969 |
Crowd for kelly bar
In a heavy duty drilling machine having a boring head for rotating a kelly bar, a crowd frame supported above the boring head by hydraulic rams, a crowd supported in the crowd frame and means...
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4085796 |
Well tubing handling system
A well tubing handling system for running and pulling well tubing including a flange assembly for coupling the system on a wellhead, a central telescoping stabilizer tube assembly mounted on the...
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4074774 |
Drilling assembly
A drilling machine and relatively small mast are mounted on a pivotal support which permits the drilling machine, mast and drill pipe employed in the assembly to be inclined as required to drill a...
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4007797 |
Device for drilling a hole in the side wall of a bore hole
The device disclosed includes a housing which can be moved through the bore hole and anchored in the desired location for drilling a lateral hole. Located in the housing is a drill string guide or...
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3998280 |
Wave motion compensating and drill string drive apparatus
A wave motion compensating and drill string drive apparatus for use in connection with offshore drilling operations includes a kelley with a mandrel telescopically disposed therein and providing a...
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3987856 |
Kelly crowd for vertical drill rig
A vertical drill rig having a drive kelly, a drilling tool supported from the lower end of the drive kelly, a rotary table, and a friction crowd for imparting via the drive kelly to the drilling...
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3722607 |
METHOD FOR DRILLING A WELL
A method for drilling an oil or gas well or the like which does not utilize a conventional derrick and rig which requires several operators and extensive moving equipment and the like, but rather...
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3708020 |
CONTINUOUS FEED HEAD DRILL ASSEMBLY
Opposed pairs of piston and cylinder assemblies each have a drill stem chuck which can be engaged or disengaged from the drill stem. When drilling, the lower chuck engages the drill stem and the...
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3696872 |
DRILL STRING JOINT BREAKING MEANS
A rock drill has a chuck which is arranged to be displaced along a feed bar by means of a feed motor. The chuck is of the kind which is hydraulically actuated and grips the drill pipe when...
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3693730 |
VIBRATORY DEVICE FOR TAKING BOTTOM SEDIMENTS CORES
A vibratory device for taking bottom sediments cores, comprising a string of pipes deepened into the ground by means of a vibrator disposed thereon. In accordance with the present invention it is...
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3692320 |
CHUCK APPARATUS
A chuck assembly having a chuck body that mounts a plurality of jaw assemblies for radially movement between a rod clamping and a rod release position, a chuck hood axially movable relative the...
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3674098 |
DRILLING RIGS
A drilling rig has a fluid pressure crowding device operated through a pressure accumulator so that no external energy input is required to maintain the crowding action during drilling. By use of...
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3662611 |
APPARATUS FOR DRIVING AND FEEDING ELONGATED TOOLS OR THE LIKE
Apparatus for rotating and feeding elongated material removing tools comprises a pair of carriages which are reciprocable in opposite directions and each of which accommodates a rotary gripper...
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3565187 |
GRIPPING DEVICE
A gripping device, which is a part of a rock drill, is arranged to grip a drill string. It has a housing in which a number of gripping jaws are disposed around the drill string. In the housing but...
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3519088 |
SHAFT CENTERING ASSEMBLY
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3701607 |
DEEP HOLE DRILLING TOOL
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3399735 |
Continuously feeding and rotating device for bore drilling rods
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3215203 |
Apparatus for moving a well flow conductor into or out of a well
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3212591 |
Diamond drilling apparatus
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3131776 |
Machine for rotary drilling
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