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8146678 |
Rock drilling apparatus and method for controlling rock drilling apparatus
A rock drilling apparatus with several actuator units, a user interface control unit, and at least one control means connected to the user interface control unit for controlling the functions of...
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8113299 |
Drill mast articulation assembly
A jib assembly for use with a drill rig includes a jib boom having a first end and a second end. The jib boom is to rotate about the first end and the second end is configured to be coupled to a...
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7975771 |
Method for running casing while drilling system
At least a portion of a subsea well is drilled casing-while-drilling techniques. A landing shoulder is formed within an outer string of a casing. The outer string of casing is secured to an outer...
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7921939 |
Method for using a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduit
A method for using a top drive is disclosed herein. The method can include: actuating a motor to provide power to the top drive, thereby rotating a stem with a saver sub mounted to a top drive...
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7905299 |
Articulation assembly for moving a drill mast
A jib assembly for use with a drill rig includes a jib boom having a first end and a second end. The jib boom is to rotate about the first end and the second end is configured to be coupled to a...
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7896108 |
Dual string orbital drilling system
A dual string drilling system for drilling a well bore in an earth formation, having a rotatable, tubular outer drill string and an upper rotatable, tubular inner drill string. An elongate tubular...
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7845418 |
Top drive torque booster
A method and apparatus for providing additional torque in a top drive system for rotating a tubular during tubular drilling, running, and/or handling operations. In one embodiment, a gear...
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7832496 |
Deep-hole boring machine and deep-hole boring guide device
A deep-hole boring machine (100) includes a base (11) to be fitted to an upper face of a floor, a pillar (14), a fixing mechanism (40), a guide member (15), a rotary tool (17), a tool rotation...
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7828086 |
Guide rail system for a telescoping mast on a drilling rig
A guide track system for a tool that can be raised and lowered within a telescoping drilling rig tower is provided. The system includes parallel guide rails mounted on a fixed lower tower section...
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7607498 |
Assembly and method for discharging fluid into a drill string of a rotary-vibratory drill
According to one aspect of the invention there is provided a rotary-vibratory drilling apparatus. The drilling assembly is comprised of a vibratory apparatus, a rotary drive apparatus, a drill...
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7581460 |
Drive assembly
A drive assembly, particularly for driving arms around a compartment in a waste material digester, comprises a rotatable hub having an inner drive plate and a ratchet plate secured thereto for...
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7493970 |
Shock mounted top drive
A shock mounted top drive comprising a traveling frame for moving along a drilling tower, the traveling frame comprising a first and second housing section, at least one set of sheaves mounted to...
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7487848 |
Multi-seal for top drive shaft
A multi-seal sealing assembly with multiple seals so that when one seal wears out another can be moved into sealing position; and a top drive system for wellbore operations with such a sealing...
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7472762 |
Top drive oil flow path seals
A top drive system including, in certain aspects, a motor, a gear system below, and driven by the motor, a space between the top drive motor and the gear system, a seal assembly for inhibiting oil...
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7469755 |
Method and apparatus for drilling and servicing subterranean wells with rotating coiled tubing
A system is provided for drilling and/or servicing a well bore using continuous lengths of coiled tubing in which a turntable assembly rotates a coiled tubing reel assembly and a counter balance...
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7461707 |
Electric horizontal directional drilling machine system
An electric horizontal directional drilling machine. An electric horizontal directional drilling machine is powered by an electric power assembly. The power assembly is made up of a fuel cell and...
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7431105 |
Geothermal heat loop installation
Methods and apparatuses associated with a rotary driven well drilling rig. One method includes providing a rig having: an erectable mast; a head drive unit for rotatably driving drill pipes into a...
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7328757 |
All terrain vehicle powered mobile drill
A method includes powering a drill motor with power derived from an all terrain vehicle (ATV) engine and controlling the drill motor. An apparatus includes a ATV with a power takeoff configured to...
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7322406 |
Elevation sensor for a service hose and an apparatus for positioning and stabbing well tubulars
An operational system and method and improved apparatus for positioning and stabbing well tubulars wherein: the grasping members of the apparatus can be folded and unfolded; the boom assembly can...
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7228920 |
Drilling apparatus and method for introducing a drilling element into the soil
The invention relates to a drilling apparatus and a method for introducing a drilling element into the soil. The drilling element is rotatably and slidably supported on a mast, with a torque being...
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7191840 |
Casing running and drilling system
A method and apparatus for holding and turning a tubular and string of tubulars, such as casing, for make-up and drilling with the tubulars are disclosed. The apparatus generally includes a spear...
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7191853 |
Hole cleaning and/or forming tool
A tool for cleaning and/or forming holes, the tool having a shaft, the shaft having a lower end and at least two buckets attached adjacent to the lower end of the shaft, each bucket having an open...
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7100709 |
Feed table pivot pin constraining device
A restraining arrangement for limiting the separation of a feed table having a pivot pin and a positioner block of a mobile track drill. The restraining arrangement includes a first constraint...
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7090035 |
Method and system for connecting pipe to a top drive motor
Method and system for connecting a joint of pipe to a top drive motor just above the drilling platform of a drilling rig where the connection can be made quickly and safely by a drilling operator....
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7070359 |
Microtunneling systems and methods of use
A tunneling system including a tunneling apparatus including a cutting structure for forming a borehole and at least one linkage section for transmitting a force generally toward the cutting...
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6994174 |
Washpipe assembly
A drilling system is provided that includes first and second tubular connectors and a washpipe assembly including at least one dynamic seal and defining a fluid conduit having a first mating...
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6978830 |
Downhole latch
A progressive cavity pump pumps liquid downhole to a lower formation past a packer set in a casing of a wellbore. The rotor of the pump is axially restrained by a bearing assembly spaced below the...
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6957707 |
Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence
A method and a computer program for controlling a drilling cycle in a rock drilling apparatus, and a rock drilling apparatus. In accordance with the invention, each drilling unit in the rock...
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6845825 |
Method and apparatus for attaching/detaching drill rod
A control system for a drilling machine is disclosed. The drilling machine includes a rod driver for driving a string of rods into the ground, and for removing the string of rods from the ground....
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6814161 |
Stakedown assembly for a horizontal directional drill
A stakedown assembly for a horizontal directional drill that multiplies the travel of a hydraulic cylinder so that the drive head travels twice the distance of the hydraulic cylinder travel. A gear...
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6799647 |
Earth drilling and boring system
The earth drilling and boring system for drilling bore holes in the earth has a drilling rig with a power source attached to a rotateable pipe container. There is a flexible drill pipe or tubing...
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6536520 |
Top drive casing system
A torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism for selectively gripping a tubular member, the...
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6408956 |
Feed system for a rotary drill tower
A power feed system for a rotary drill includes a hollow tubular derrick having a powerhead connected to a flexible cable moved by a double rod hydraulic cylinder assembly. The derrick includes...
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6364034 |
Directional drilling apparatus
The apparatus has a housing which is secured to the lower end of a drilling motor body and carries an arbor that is secured to the output shaft of the motor. The arbor has three segments serially...
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6267187 |
Boring apparatus with coupling for rapid connection of drill string segments
In apparatus for producing and expanding earth boreholes and for destroying and replacing underground pipelines or for driving in pipes, a feed drive and a rotary drive having a plug-in coupling...
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6234260 |
Mobile drilling apparatus
An apparatus for drilling boreholes into the earth includes a mobile carrier with a frame that supports an elongated housing. The housing has upper and lower end portions. An drill pipe section...
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6202274 |
Arrangement for fastening a piston-cylinder arrangement and method for replacing sealings therein
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6199656 |
Casing for noise attenuation in a rock drilling rig
A rock drilling rig includes a movable carrier with a boom attached to it and movable in various ways. The free end of the boom is provided with drilling equipment. The drilling equipment is...
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6079906 |
Method for making foundation piling with drilling machines
A method for making foundation piles in soil with a drilling device having an auger, the auger including two concentric tubes, an outer tube occupying an upper part of the auger and an inner tuber...
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5996710 |
Drilling device
A drilling device has a frame (1) with a feed device (2) for carrying a drilling device (3) movable to-and-fro for rotating a drill string (4). The drilling device includes a sensor (6) for sensing...
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5797465 |
Multi-shaft drilling unit
At least one guide shaft is equipped on one or both sides of a plurality of drilling shafts arranged on a line; and a jet nozzle is equipped with said guide shaft. A multi-shaft drilling unit,...
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5450914 |
Fluid powered stepping motor for rotating a downhole assembly relative to a supporting pipe string
A fluid powered stepping motor is disclosed for connecting to a pipe string to rotate a tool relative to the pipe string by raising and lowering the pressure in the pipe string. The motor includes...
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5388651 |
Top drive unit torque break-out system
A torque break-out system for a top drive drilling unit in a drilling rig. The torque break-out system includes a splined sub which is connected to a tubular member of the top drive drilling unit....
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5007492 |
Safety stabilizer for auger
A safety stabilizer for an auger having a screw, and an engine, and handles, and having two stabilizer legs, swingable upper joints on each leg, and anchors on the lower end of each leg.
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5000271 |
Feeding device for a rock drilling machine
A feeding device for a rock drilling machine (3) comprising a cradle (1); and a feeding beam (2) mounted longitudinally displaceably with respect to the cradle (1), the drilling machine (3) being...
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4976321 |
Horizontal earth boring machine and method
An earth boring apparatus is illustrated including an engine and an earth boring string wherein a hydraulic clutch driven by the engine is supplied with hydraulic fluid through an electrically...
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4961468 |
Multi-function control actuating mechanism
A multi-function control actuating mechanism for a roof drilling and bolting machine includes an actuating rod having a first end and a second end. The actuating rod is of a predetermined length...
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4898251 |
Earth boring apparatus
An earth boring apparatus for driving a boring tool, the tool having a head for penetrating the earth and a longitudinally extending rotary drive shaft (15) for advancing the head. A carriage (18)...
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4877093 |
Spring actuated power swivel support rollers
A spring actuated guide system for a top driven drilling machine. Rollers for guiding the drilling machine are mounted onto springs which urge the rollers into contact with support surfaces on...
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4860837 |
Rotary and reciprocating drilling machine
The invention relates to a drilling machine comprising a kelly (5) suspended from a boom (3) mounted for pivoting on a chassis (1), a rotary table (7) through which the kelly is movable axially,...
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