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7445058 |
A nozzle unit for generating an abrasive jet. The nozzle unit has a first nozzle connected to a pressurized carrier fluid supply; a mixing chamber in which the first nozzle discharges; and a second nozzle connected to the mixing chamber....
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7445045 |
The present invention is directed to a method for producing gas from a subterranean formation containing a coal seam. The method includes the steps of drilling a substantially vertical well bore into the subterranean formation, which int...
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7434633 |
Downhole fluid jet cutting tools having extendible and retractable arms with cutting heads on the ends are disclosed. The jet cutting tools permit casing and other downhole surfaces to be cut utilizing a cutting fluid forced through a je...
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7431104 |
A device for transporting magnetic particles in a selected direction has a support surface extending in the selected direction, a magnet arranged to generate a magnetic field for retaining the particles on the support surface such that t...
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7410012 |
A hydraulic automatically-pressurizing pump comprises an intermediate fastening connector, a reversing valve, a mechanically-controlled automatic direction-reversing device, a power cylinder, a pressurizing cylinder and an ultrahigh-pres...
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7404416 |
In one embodiment, the present invention provides an apparatus for creating pulsating fluid flow, including an inlet into which fluid flows and a chamber having an upstream end and a downstream end. The chamber is defined by a pair of ou...
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7398839 |
A system and method for excavating a subterranean formation, according to which a slurry of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharged from the cavity so that th...
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7383896 |
A system and method for excavating a subterranean formation, according to which a suspension of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharging from the cavity so th...
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7380605 |
A method of forming an energy transfer loop in the earth has the steps of connecting a tubing to a nose member, extending a liquid delivery pipe to the nose member, pumping a liquid through the liquid delivery pipe to the nose member, je...
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7343987 |
A system and method for excavating a subterranean formation, according to which a suspension of liquid and a plurality of impactors are passed between a drill string to a body member for discharge from the body member to remove at least ...
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7320372 |
The drill string is fitted for drilling activity in the formation expected, including a jet nozzle equipped drill head, and a near bit kick sub. The drill string is deflected to change the progressing well bore to a preferred direction. ...
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7258176 |
A drill bit for drilling a well bore using solid material impactors comprising a nozzle and a cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through the nozzle. The...
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7234252 |
An apparatus for soil excavation having a vacuum hose, a vacuum holding tank and at least one air lance and/or water jet, in which a soil beneficiating agent is introduced into the soil during one or more of the steps of the vacuum excav...
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7201238 |
Rotary jetting tool including a rotor with axially-opposed pressure-balanced mechanical face seals. Vented upper mechanical face seal enables the rotor to be operated with the relativity low starting torque achievable using reaction forc...
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7195082 |
A method of steering a fluid drilling head in an underground borehole drilling situation is provided by rotating the flexible hose through which high pressure is provided to the drilling head and providing a biasing force on the drilling...
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7152683 |
The invention relates to pumping engineering, mainly to well pumping devices for extracting oil from wells. The inventive method consists in assembling from the bottom upward an input cone provided with a shank, a packer and a jet pump a...
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7117959 |
A decoking system that not only enables an operator to remotely switch the coke-cutting process from boring to cutting mode without removing the drill stem from the coke drum, but also to remotely determine the drill stem's mode so that ...
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7114583 |
An orbital tool apparatus and method of using the apparatus for boring, drilling, reaming, and cutting having a tool housing, a tool collar located within the housing, the tool housing having the ability to couple to a conduit structure,...
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7100844 |
The present invention is directed to a nozzle capable of producing a high impact waterjet when supplied with a source of ulta-high pressure liquid. The nozzle is constructed and arranged to infuse fluid into a high velocity stream of liq...
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7090153 |
According to one embodiment of the invention, a flow conditioning system for fluid jetting tools includes a housing having a plurality of jet nozzle openings and a fluid straightener disposed within the housing. The fluid straightener is...
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7083011 |
A fluid drilling head has a plurality of nozzles ( 3, 4, 5, 6 ) in a rotatable nozzle assembly ( 2 ) to provide high pressure cutting jets ( 7 ). The head is provided with a gauging ring ( 10 ) having an annular clearance ( 11 ) to the r...
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7017684 |
A jet cutting device having a cutter head provided with a nozzle for ejecting a stream of fluid against a body so as to create a selected cut in said body. The cutter head is provided with a deflector having a deflection surface arranged...
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7017681 |
The proposed invention relates to wellbore technologies and is intended to produce action on productive rock. Device for hydrodynamic action on wall of a well comprising a casing jointed with the pipe conduit directly or via a roller sup...
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7000714 |
The present invention provides a head for injecting a fluid under pressure for breaking up the ground from a borehole and mounted at the end of a string of rods. The body of the drilling head has a bottom wall for mounting a mechanical d...
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6988568 |
A vacuum boring and mud recovery method comprising a vacuum container, a vacuum producing device to create a vacuum within said container, a conduit to vacuum solid particles and liquids into the vacuum container and a dispensing device ...
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6971460 |
The invention relates to pumping engineering, mainly to downhole jet production units. The inventive downhole jet unit comprises a packer, a pipe column and a jet pump. An active nozzle is embodied in the body of the jet pump, and a pass...
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RE38872 |
A vacuum excavation system which incorporates a low consumption air lance, a highly efficient multi-stage vacuum generation system effectively isolated from the waste stream and the air source, and a highly portable material collection s...
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6938690 |
A downhole tool for fracturing a subterranean formation according to which a tool having a plurality of discharge jets or nozzles is located in a spaced relation to a wall of the formation to form an annulus between the nozzles and the f...
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6920945 |
A method for facilitating horizontal drilling by positioning in a well casing a shoe defining a passageway extending from an upper opening in the shoe through the shoe to a side opening in the shoe. A rod is connected, through at least o...
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6866106 |
A self-advancing drilling system comprising a drilling apparatus, the drilling apparatus having at least one leading fluid cutting nozzle, an advancing device on the drilling apparatus to provide forward movement to the drilling apparatu...
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6817427 |
This invention aims to provide a gas-hydrate extracting device and method whereby a high-performance jet fluid is injected from a nozzle at the tip of an extraction pipe inserted into a gas-hydrate stratum, and whereby said jet fluid bre...
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6702940 |
A device for transporting particles of a magnetic material in a selected direction, having a support member having a support surface for supporting the particles, the support surface extending in a selected direction, a magnet arranged t...
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6691436 |
A hand-held wand is disclosed for exposing buried objects such as utility lines or the like. The wand comprises an elongated, hollow tube having upper and lower ends with first and second water supply conduits being positioned adjacent t...
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6688702 |
A Borehole Mining method comprising driving a borehole, into a production zone under a low-degree angle α (0<α<35°), installation in said borehole a mining device with a hydromonitor and eductor, water-jet cutting of rock, pumpi...
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6672408 |
A system and method for removing contaminated pilings is provided, the system including a casing to enclose the piling and a pressurized air system for excavating soil and contaminated materials from around the piling and material from t...
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6668948 |
A jet nozzle is provided for drilling holes through the earth, such as drainholes around a well. The nozzle may include orifices for discharging fluid to drive the nozzle forward and includes a disk or other device having orifices to pro...
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6662874 |
A method of fracturing a downhole formation according to which a plurality of jet nozzles are located in a spaced relation to the wall of the formation to form an annulus between the nozzles and the formation. A non-acid containing stimu...
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6648084 |
The invention provides a head for injecting a liquid under pressure from a borehole to break up the soil, said head being mounted at the end of a drill string including a liquid feed for feeding a liquid under pressure. The head comprise...
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6591920 |
A fusion drilling process and device for the placement of dimensionally accurate borings, particularly those of large diameter, in rock, in which the waste melt is pressed into the surrounding rock, which is cracked due to the effect of ...
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6581700 |
A method and system for drilling or cutting a subterranean well or formation 52 using a drilling rig 5, a drill string 55, a plurality of solid material impactors 100, a drilling fluid and a drill bit 60 is disclosed. This inve...
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6530439 |
A flexible hose assembly for horizontal well drilling is provided. The flexible hose assembly has a number of spaced thruster couplings along its length to impart drilling force to a nozzle blaster at an end of the flexible hose. The thr...
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6517288 |
A bioremediation method and system for destroying of reducing the level of contaminants in a contaminated subterranean body of water includes a plurality of spaced injection sites. The injection sites extend below ground and intersect a ...
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6510907 |
A drilling assembly for drilling a borehole into an earth formation is disclosed having a drill string extending into the borehole and a jetting device arranged at a lower part of the drill string, the jetting device is provided with a m...
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6470978 |
A self-advancing drilling system comprising a drilling apparatus, the drilling apparatus having at least one leading fluid cutting nozzle, means on the drilling apparatus to provide forward movement to the drilling apparatus, the drillin...
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6460936 |
A borehole mining tool comprising a drill string having an inner pipe column and an outer pipe column. Water is forced under high pressure down an annulus between the outer pipe and inner pipe. A hydromonitor is attached to the end of th...
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6453584 |
A vacuum boring and mud recovery system comprising a vacuum container, a vacuum producing device to create a vacuum within said container, a conduit to vacuum solid particles and liquids into the vacuum container and a dispensing device ...
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6435435 |
The present invention is directed to a tire comminution apparatus that is of simple construction and that can be operated without excessive maintenance. According to the present invention, a vehicle tire of any size or composition can be...
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6386300 |
A method and system for drilling or cutting a subterranean well or formation 52 using a drilling rig 5, a drill string 55, a plurality of solid material impactors 100, a drilling fluid and a drill bit 60 is disclosed. This inve...
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6364418 |
Cutting heads, cutting head systems, and methods for creating an excavation in a mineral seam. A preferred cutting head includes a first body having a manifold for containing high pressure fluid and an axis of rotation generally parallel...
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6283230 |
Method and apparatus for drilling into earth strata surrounding a well casing utilizing a rotating fluid discharge nozzle and reduction of static head pressure in the well casing in conjunction with the drilling operation.
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