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7416258 |
Apparatus and methods of using lasers are provided for spalling and drilling holes into rocks. A rock removal process is provided that utilizes a combination of laser-induced thermal stress and laser induced superheated steam explosions ...
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7404453 |
A tool for expanding a hole having a vertical axis in the earth has at least one set of two opposed compactor units constrained to separate and retract in a direction at a right angle to the axis of the hole, and a drive mechanism couple...
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7273113 |
The invention represents a new design of a reversible penetrating machine (90) with a pneumatically controlled differential air distributing mechanism. This design eliminates the springs, the rear anvil assembly, and several other compon...
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7216724 |
A coupling assembly to interconnect an inner member and an outer member of a dual member drill string in torque transmitting engagement is disclosed. The coupling assembly is adapted to transmit torque input from both members to a downho...
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7172035 |
A sonde (transmitter) housing having a one-piece design for improved housing rigidity. The housing includes a mechanically-adjustable mounting configuration adaptable to a variety of sonde applications. A method of making the sonde housi...
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7093671 |
The invention relates to a method for horizontal ground-boring, in particular for rock-boring, by a rotating and hammering driven ground-boring device, whereby the device is alternately or simultaneously supplied with compressed air and ...
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7066279 |
A ground piecing tool includes a housing and an air distributing mechanism that reciprocates a striker to impact a chisel shaft in response to a supply of compressed fluid including a fluid inlet tube mounted in the bore of the striker h...
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7048074 |
The invention relates to a control system for a percussion drive of an earth drilling unit having a housing, a drilling tool, a pulling or thrusting drive, a percussion piston, a pressure chamber belonging to the percussion piston and a ...
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7040416 |
The invention provides a T-post hole-forming device, comprising (a) a shaft; (b) a head for receiving a driving force at the top of said shaft; (c) a flat plate affixed to one side of said shaft, the shaft terminating in a pointed end fo...
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7036609 |
A sonde (transmitter) housing having a one-piece design for improved housing rigidity. The housing includes a mechanically-adjustable mounting configuration adaptable to a variety of sonde applications. A method of making the sonde housi...
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7028785 |
A pneumatic ground piercing tool includes a tail assembly including a tail nut and tail cap, the tail cap having a plurality of discharge ports for exhausting spent compressed air, the discharge ports opening into an annular space betwee...
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7013988 |
A combination for performing a variety of functions includes (a) apparatus for moving a projectile or other mass along an arcuate path and moving the path substantially radially along a local radius of curvature and (b) a tool, vehicle o...
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6978849 |
The invention relates to a method of boring a hole using a boring system constituted by a simple auger and a dip tube slidably mounted in said auger, said dip tube being provided at its bottom end with a tool. The method comprises the fo...
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6959772 |
Methods and apparatuses for maneuvering through a medium such as soil are disclosed. One such apparatus has a generally longitudinal body that can impel itself through the medium. This apparatus also has at least two independently-contro...
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6923270 |
A pneumatic ground piercing tool includes a tail assembly including a tail nut and tail cap, the tail cap having a plurality of discharge ports for exhausting spent compressed air, the discharge ports opening into an annular space betwee...
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6899187 |
A hollow pole has an open top end and a pointed bottom end; the open top end supports an additional pole. A ring member is permanently mounted about a mid-section of the hollow pole. A hammer sleeve having a length less than that of the ...
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6892828 |
A nutating single cone drill bit includes a bit shank defining a bit axis, a journal defining a rotation axis skewed from the bit axis, and a cutter elements mounted upon a cutter body wherein the tip of each cutter elements is forward a...
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6860339 |
Disclosed is a bit striking apparatus in an excavator capable of efficiently striking the entire area of the hammer bit under uniform pressure without exerting excessive load to the excavator so that the hammer bit may be free from damag...
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6851488 |
A method and apparatus for forming an in situ borehole liner in which a laser beam from a laser energy assembly disposed within a transparent drill head enclosure of a drill head assembly is directed into a rock formation to be drilled a...
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6814161 |
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 pinion is pivotally attached to a top e...
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6814160 |
An apparatus and method for orienting and for coupling geophones relative to soil. A hammer device oriented to the vertical drives a head into the soil to generate a case opening. Vertical orientation of the case opening and depth automa...
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6772847 |
Methods and materials for chemically enhanced drilling of oil/gas wells are disclosed. The use of drilling fluids containing chemicals that dissolve formation constituents results in the creation of boreholes. Fluids containing acids suc...
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6755593 |
An impactor for use with a directional boring machine having a drill string connectable to the impactor for pulling the impactor through an existing pipeline uses rotation of the drill string to drive an internal striker. The internal st...
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6755262 |
An earth boring apparatus at least partially locatable within a borehole. The apparatus includes a plurality of optical fibers, each of which has a proximal fiber light energy input end and a distal fiber light energy output end. At leas...
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6749031 |
The invention concerns a drilling system having a drilling head ( 2, 2 ′) fixed to a drill string ( 3 ) which comprises an outer pipe ( 12, 12 ′) and a percussion string ( 13, 13 ′) inserted therein, wherein the percussion string (...
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6719068 |
Geological probing device comprising a hollow probing rod to be extended into the geological matter to be probed, and a measuring probe fitted to the probing rod, said measuring probe comprising sensors for obtaining information about th...
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6715565 |
A drive mechanism for a subterranean boring machine includes a drive motor, primary and secondary drive wheels, a drive sprocket and an idler sprocket attached to the primary and secondary drive wheels, respectively, and a chain operativ...
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RE38418 |
A dual-member pipe joint having an outer member and an inner member which is disposed coaxially within the outer member. Both the outer member and the inner member have a pin end and a box end. The pin end of the outer member is threadab...
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6681871 |
A tool for boring has a first shaft for drivingly linking at a first end to a portable rotatable machine. At a second end, the tool has a fastener to which a modular auger section can be drivingly linked. A second shaft of the tool has a...
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6644417 |
A reversible impact-operated pneumatic boring tool for reversing the direction of operation of the tool is disclosed. The tool includes two fluid supply lines, a striker and a non-mechanically biased directional control sleeve. The prima...
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6637521 |
An earth borer includes a thin-walled tubular shaft ( 4 ), a shank ( 2 ) provided at one end of the tubular shaft ( 4 ), and a drilling head ( 5 ) provided at another, opposite end of the tubular shaft, projecting radially beyond the tub...
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6637520 |
There is provided a hammer assembly ( 10 ) comprising a hammer casing ( 11 ) having a bore ( 12 ) therethrough and a drive sub ( 13 ) and retainer ( 15 ) supporting a drill bit ( 14 ). A piston ( 16 ) has a hammer end ( 17 ) adapted to s...
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6604586 |
A drilling apparatus includes a platform for positioning at a drilling site) a mast pivotally mounted on the platform) a rod clamp on one end of the mast for clamping a drill rod) a drill head slidably mounted on the mast for driving the...
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6588515 |
The invention provides a rock drilling bit with a plurality of cutting teeth raked into the cut of the drilling bit. Such teeth are oriented at an angle of at least about 30 degrees relative to an imaginary line normal to a front surface...
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6585453 |
An apparatus for replacing underground pipe. The apparatus has a fracturing or cutting element to fracture or cut underground pipe as it is drawn through the underground pipe. The apparatus additionally has an expanding element to expand...
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6516897 |
A self-contained excavation device, with specific application as a beach umbrella excavator and anchor apparatus, includes a cutting head with a stepped cutting edge to penetrate thin shell layers, recesses defining anchor shelves to pre...
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6510905 |
In the case of an earth boring apparatus, preferably a thrust boring apparatus, the head of which is actuated by a pneumatically operated reciprocating ram, a supply hose ( 5 ) provides the connection from a compressor as an example to t...
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6488105 |
A subsurface explorer (SSX) for exploring beneath the terrestrial surface of planetary bodies such as the Earth, Mars, or comets. This exploration activity utilizes appropriate sensors and instrument to evaluate the composition, structur...
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6488103 |
A drilling tool having a pilot bit on an end of a main shaft is surrounded by outer shafts having mills on their ends. The bit and mills employ cutters with PDC. The pilot bit rotates in a direction opposite the direction of rotation of ...
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6467554 |
A reversible impact-operated pneumatic boring tool for reversing the direction of operation of the tool is disclosed. The tool includes two fluid supply lines, a striker and a non-mechanically biased directional control sleeve. The prima...
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6464022 |
A mobile, horizontal directional boring apparatus and method is provided for boring from an existing utility manhole for the placement of small diameter fiber optic cabling. A mobile platform is located adjacent an existing utility manho...
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6378626 |
The invention combines a mud motor, a drill bit, a transmission, an underreamer and a torque tube to simultaneously drill a well by rotating the drill bit in one direction and the underreamer in the opposite direction to balance the torq...
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6371220 |
In a ram drilling tool for producing bores in the ground and having a percussion piston which is moved to and fro in a casing, a control sleeve is guided such that it can be displaced on a control pipe projecting into a percussion-piston...
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6363803 |
A vehicle mounted soil sampler is provided. The soil sampler is designed to be mounted inside the vehicle proximal the operator. A mounting plate secures the soil sampler to the interior of the vehicle. A opening is provided in the floor...
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6352128 |
In a ram drilling tool having a steering element, for example a steering head, which is mounted in the tool casing such that it can move, for example rotate, the tool casing is connected to a pressure-medium line such that it cannot rota...
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6298925 |
A method and apparatus for installing a groundwater sampling device into the ground includes a generally cylindrical housing open at top and bottom end portions and defining a recess therein. An expendable tip member is removably connect...
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6279667 |
A push rod rotator and push rod boring rig uses a reciprocating carriage to push a drill string of push rods into the ground and pull the drill string back out usually with an expander and pipe or utility lines. A push rod rotator is con...
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6273201 |
A ground piercing tool has an elongated tubular tool housing and a striker that reciprocates within an internal chamber of the housing. The striker impacts a front impact surface and drives the tool through the ground. An air distributin...
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6263983 |
The invention provides an improved apparatus for directional boring and in particular an improved system for boring through hard and rocky substrates frequently encountered when boring under obstacles such as roadways. According to one a...
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6234260 |
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 holder is positioned at the lower end of a ...
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