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441results about "Hydraulic mining" patented technology
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Electrohydraulic pressure wave projectors
A projector (10) for creating electrohydraulic acoustic and pressure waves comprising an energy source (21) (such as a capacitor) within approximately one meter of an electrode array (23). Larger projectors may be formed by arraying the projectors, and still larger projectors by arraying them.
Owner:SDG LLC
Plasma channel drilling process
Material is removed from a body of material, e.g. to create a bore hole, by plasma channel drilling. High voltage, high energy, rapid rise time electrical pulses are delivered many times per second to an electrode assembly in contact with the material body to generate therein elongate plasma channels which expand rapidly following electrical breakdown of the material causing the material to fracture and fragment.
Owner:STRATHCLYDE UNIV OF
Slagging coal combustor for cementitious slag production, metal oxide reduction, shale gas and oil recovery, enviromental remediation, emission control and CO2 sequestration
InactiveUS8337613B2Reduce transportationMinimize disfiguringNitrogen compoundsSulfur compoundsCombustorEnvironmental remediation
Systems, methods and processes teach by specific examples how the cost of sequestering carbon dioxide (CO2) can be totally offset and turned into profits during coal powered electricity generation from revenue and co-benefits. The process is provided whereby fly ash-carbon mixtures, or de-volatilized coal char, or anthracite coal culm is co-fired in an air-cooled, slagging combustor with limestone or similar slag fluxing materials converts the ash into cementitious slag with properties similar to ground granulated blast furnace slag.
Owner:ZAUDERER BERT
Method and device for excavating submerged stratum
InactiveUS20090126235A1Reduce energy transferReduce loadMachines/dredgers working methodsMechanical machines/dredgersAbsorptanceLaser induced bubble
An excavation technique for a stratum capable of excavating a submerged stratum such as a layer containing an underground resource by using laser irradiation in liquid is provided. In this technique, a laser beam transmitted through laser transmission means 20 is irradiated in liquid 90 in form of a laser beam having a wavelength with high absorptance of the liquid 90 by laser-induced bubble generation means 35, generating a bubble flow 36, thus excavation of a submerged stratum may be carried out by using a laser-induced destruction effect. Moreover, a laser beam 41 having low absorptance of the liquid 90 is irradiated by laser irradiation means 39 and passed through the bubble flow 36, thereby applying a thermal effect to a stratum to destroy rock and excavate the stratum. The destruction effect and the thermal effect also may be cooperatively worked.
Owner:JAPAN DRILLING CO LTD +2
Borehole mining tool
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 the drill string. A nozzle in the hydromonitor directs the pressurized water into a stope or work area, thereby loosening the material to be mined. The slurry is educted from the mined area by the action of a venturi attached downstream of the hydromonitor. Water flow through the venturi creates a vacuum which draws the pregnant slurry from the work area up through the inner pipe to the surface. A plurality of tools may be attached to the hydromonitor by a connection comprising a gasket having an interference fit. The gasket allows quick connection and removal of a plurality of tools from the hydromonitor. A radar is include to provide an image of the stope being worked.
Owner:BOREHOLE MINING INT
Manually rotatable tool
A degradation assembly comprises a rotary portion and a stationary portion. The rotary portion includes a cemented metal bolster bonded to a tip. The tip comprises a asymmetric, substantially conically shaped tip formed of diamond and a cemented metal carbide substrate. The stationary portion comprises a holder configured to be coupled to a block mounted to a driving mechanism. A compressible element is disposed between and in mechanical contact with both the rotary portion and the stationary portion.
Owner:SCHLUMBERGER TECH CORP
Work machine having boundary tracking system
The boundary tracking system has a plurality of signal transmitting devices located to represent at least one boundary of a work site. The boundary tracking system also has a receiving device configured to receive signals transmitted from one or more of the plurality of transmitting devices and to generate an output based on the received signals. The boundary tracking system also has a controller configured to determine a location of at least one of the plurality of transmitting devices based on the output from the receiving device.
Owner:CATERPILLAR INC
Method of optimizing production of gas from vertical wells in coal seams
ActiveUS7445045B2Maximize interferenceIncrease gas productionSurveyDisloding machinesProduct gasCoal
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 intersects the coal seam and fracturing the coal seam using a hydrajetting tool to produce at least one pair of opposed bi-wing fractures substantially along a plane of maximum stress. One or more horizontal well bores may also be drilled into the coal seam along which the coal seam can be further fractured.
Owner:HALLIBURTON ENERGY SERVICES INC
Mining method for steeply dipping ore bodies
InactiveUS6857706B2Efficiently and effectivelyAvoid a lotDisloding machinesUnderground miningEngineeringExcavator
The present invention is directed to a mining method for steeply dipping orebodies. In the method, an excavator 152 is tethered to a deployment system 120 by one or more cables / umbilicals 144. The excavator 152 excavates slices 172a-h of the orebody 100 by moving generally up-dip, down-dip or a combination thereof. The excavator can be automated.
Owner:MIN OF NATURAL RESOURCES CANADA
Methods and systems for raising and lowering a rig mast and substructure by remote control
Systems for drilling operations, the systems including: a drilling rig with a base; a mast movably connected to the base of the drilling rig; a drawworks system for raising and lowering the mast; a drawworks control system for controlling the drawworks as it raises and lowers the mast; a remote control system for remotely controlling the drawworks control system so that the mast can be raised and lowered by personnel spaced apart from the drilling rig; and, in certain aspects, the rig including a substructure which can be raised, and lowered by remote control. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
Owner:NAT OILWELL VARCO LP
Hydraulic mining of tar sand bitumen with aggregate material
A method and apparatus for the hydraulic removal of bitumen from a tar sand deposit comprises forming a borehole into the tar sand deposit and securing a casing into the borehole. Into the casing is inserted a mining tool having a water / diluent channel and a slurry exit channel. Through the casing the borehole is charged with crushed aggregate. At the lower end of the tool are nozzles through which high pressure hot water / diluent is injected as a jet from the water / diluent channel into the tar sand deposit causing a cavity to form in the tar sand deposit. The heat of the water / diluent jets and dissolving action of the diluent softens the tar sand contacted and the impact of the jets and the scouring action of the aggregate, as impinged upon by the jets, removes the tar sand from the surface of the developing cavity into a water phase. A bitumen / diluent phase rises to the surface of the water phase and is removed from the cavity through the casing. A water sand slurry at the bottom of the developing cavity is removed from the slurry exit channel where sand is subsequently removed and the water is recovered and reintroduced back into the process along with makeup water and diluent. Water temperature and pressures are controlled to optimize the hydraulic mining process.
Owner:RAAM
Method and device for excavating submerged stratum
InactiveUS7802384B2Machines/dredgers working methodsMechanical machines/dredgersAbsorptanceLaser induced bubble
An excavation technique for a stratum capable of excavating a submerged stratum such as a layer containing an underground resource by using laser irradiation in liquid is provided. In this technique, a laser beam transmitted through laser transmission means 20 is irradiated in liquid 90 in form of a laser beam having a wavelength with high absorptance of the liquid 90 by laser-induced bubble generation means 35, generating a bubble flow 36, thus excavation of a submerged stratum may be carried out by using a laser-induced destruction effect. Moreover, a laser beam 41 having low absorptance of the liquid 90 is irradiated by laser irradiation means 39 and passed through the bubble flow 36, thereby applying a thermal effect to a stratum to destroy rock and excavate the stratum. The destruction effect and the thermal effect also may be cooperatively worked.
Owner:JAPAN DRILLING CO LTD +2
Device for a hydraulic cutting tool
ActiveUS20050173123A1Reduce negative impactFast and efficient cuttingDisloding machinesUnderground miningEngineeringMechanical engineering
A device for a hydraulic cutting tool (30) for cutting of at least one pipe (16, 18, 20) or tubular object beneath a water floor (10), wherein the cutting is carried out from a surface facility (2). The cutting tool (30) is anchored in a pressure tight manner in the pipe (16), whereupon pressurised gas (86) is pumped into a pipe section (80) immediately below the cutting tool (30). With this, liquid (8), and eventually pressurised gas (86), will flow out of the pipe section (80) via a short drain pipe (66) through the cutting tool (30), so as to create a gas filled pipe volume (90) comprising the relevant cutting depth (32) in the pipe section (80). The invention differs from prior art by the outflowing liquid being led onwards up to the surface facility (2) via a drain line (92). The upper end portion of the drain line (92) is connected to at least one adjustable choke device (102, 104). This allows the gas overpressure in said pipe volume (90) to be controlled during the cutting, providing optimal operating conditions during the hydraulic cutting.
Owner:OCEANEERING NCA
Arrangement for monitoring the location of a mining vehicle in a mine
ActiveUS7725232B2Accurate monitoringTasks performed in the mine to be controlled more efficientlyUnderground miningRoad vehicles traffic controlControl systemExact location
A method and a system for monitoring the location of a mining vehicle in a mine. The mine comprises a first and a second work area. At least one identifier (29) whose exact location is known is arranged in the first work area (18a). The location of the mining vehicle (1) is determined continuously by means of a dead reckoning. The location data, based on the dead reckoning, can be updated by means of the identifier. The location data are transmitted to a mine control system for monitoring the mining vehicle.
Owner:SANDVIK MINING & CONSTR OY
System and method of utilizing monitoring data to enhance seafloor sulfide production for deepwater mining system
Applicants have created a method and system of deep sea mining comprising mining SMS deposits from the sea floor with a subsea miner, pumping the solids from the subsea miner through a jumper and pumping the solids from the jumper up a riser to a surface vessel. Further, applicants have created a method of deploying a deep sea mining system, comprising stacking a riser hangoff structure on top of a subsea pump module forming an assembly; picking up the assembly by a hanging mechanism, hanging the assembly on a moon pool, attaching a first riser joint; disconnecting the riser hangoff structure from the assembly; and attaching at least one second riser joint to form the riser.
Owner:EDA KOPA SOLWARA
Pick assembly with integrated piston
Owner:NOVATEK IP
Mining Apparatus With Precision Navigation System
ActiveUS20070216216A1Clear operationRule out the possibilityDisloding machinesUnderground miningNavigation systemActuator
A mining apparatus includes a miner, a conveyor unit and a steering unit connecting the miner and conveyor unit. The apparatus also includes a heading sensor and a controller responsive to the heading sensor. A first actuator is carried on the miner, the control unit or the steering unit. The first actuator is positioned to a first side of a midline of the miner. Further a second actuator is carried on one of the miner, the conveyor unit and the steering unit. The second actuator is positioned to a second opposite side of the midline of the miner. The first and second actuators are utilized to adjust a connection angle between the miner and the conveyor unit either side of parallel in order to maintain the miner on the desired directional heading.
Owner:EAGLE HIGHWALL MINING SYST LLC
Tip for an earth working roll
ActiveUS20090174252A1Reduce wearReduced service lifeDisloding machinesUnderground miningWork rollCrusher
A tip for use on an earth working roll for mining, construction and public works machines such as crushers, surface miners, milling machines and the like includes a working end provided with side relief to reduce drag and wearing, require less power to drive the rolls, and lengthen the usable life of the tip. The working end can also have a generally flat front surface to improve the yield in a crushing or other similar operation. The tip includes a base and a wear cap releasably secured together by a retainer.
Owner:ESCO GRP LLC
Method of optimizing production of gas from vertical wells in coal seams
ActiveUS20050121196A1Maximize interferenceIncrease gas productionSurveyDisloding machinesCoalWellbore
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 intersects the coal seam and fracturing the coal seam using a hydrajetting tool to produce at least one pair of opposed bi-wing fractures substantially along a plane of maximum stress. One or more horizontal well bores may also be drilled into the coal seam along which the coal seam can be further fractured.
Owner:HALLIBURTON ENERGY SERVICES INC
Method for forming a barrier
A method for forming a barrier to seal off a remote chamber includes the steps of: forming a borehole that communicates between a first location and the remote chamber; inserting a conduit through the borehole to extend into the remote chamber; introducing a flowable material through the conduit to the remote chamber and dispensing the flowable material from the conduit to the desired location for the barrier, the flowable material upon being dispensed producing a substantially solid, self-sustaining composition; maintaining dispensing the flowable material to produce a sufficient quantity of the self-sustaining composition to form the barrier to seal the remote chamber, while ensuring that the composition does not block the borehole from communicating between the first location and the remote chamber; and thereafter removing the conduit to allow access to the borehole.
Owner:OZMENT ALDEN
Mining methane, sequestering carbon dioxide and farming in oceans
The present invention is a multiple purposed system of producing methane from its hydrates and sequestering carbon dioxide into its hydrates. Methane hydrates mixed with mud, prepared with methane mining assembly 23 are brought to sea surface by a series of buckets 16 attaching to rotating chains 18. The decomposed methane is collected into the methane dome 50 and is processed into liquefied natural gas or synthetic liquid fuels. Liquid carbon dioxide is brought down through a tube 70 and a sequestering device 86 into the sea where the pressure and the temperature are adequate for carbon dioxide hydrates to form and settle down to the sea bottom. The unconverted gaseous carbon dioxide is collected into carbon dioxide dome 49 and is liquefied again for recycling. A specially designed marine plantation, comprising of plurality of planting units 352 and a fleet of seeding and harvesting boats, is employed to remove the residual carbon dioxide from the sequestering, to alleviate the global warming, to serves as an abundant source of renewable energy, and as a huge sink for carbon. In addition, it could provide a profusion of less-polluted seafood. The operations of mining methane, sequestering carbon dioxide and marine plantation are fully integrated and optimized
Owner:CHENG SHANG I
Method of working a concrete surface
A method for working a concrete surface uses a water jet ejected from a nozzle of a nozzle holder. The nozzle holder reciprocates in cutting sweeps and moves together with a working apparatus in steps between the cutting sweeps. The water jet is directed in directions of the sweeps, and at the end of each sweep, the nozzle holder is swung into a new angle of attack for a subsequent cutting sweep. At the end of a cutting sweep, the nozzle holder begins to swing backwards simultaneously as its linear velocity increases to permit the target area to remain substantially unchanged at the start of the stepping of the working apparatus so that the water jet makes a cut forwardly in the stepping direction. The stepping and change of angle of attack are completed simultaneously immediately prior to the commencement of a subsequent cutting sweep.
Owner:CONJET
Ultrasonic waterjet apparatus
ActiveUS20070063066A1Higher effective impact pressureReduce cleaningLiquid surface applicatorsPiezoelectric/electrostriction/magnetostriction machinesUltrasonic nozzleHand held
An ultrasonic waterjet apparatus (10) has a mobile generator module (20) and a high-pressure water hose (40) for delivering high-pressure water from the mobile generator module (20) to a hand-held gun (50) with a trigger and an ultrasonic nozzle (60). An ultrasonic generator in the mobile generator module (20) transmits high-frequency electrical pulses to a piezoelectric or magnetostrictive transducer (62) which vibrates to modulate a high-pressure waterjet flowing through the nozzle (60). The waterjet exiting the ultrasonic nozzle (60) is pulsed into mini slugs of water, each of which imparts a waterhammer pressure on a target surface. The ultrasonic waterjet apparatus (10) may be used to cut and de-burr materials, to clean and de-coat surfaces, and to break rocks. The ultrasonic waterjet apparatus (10) performs these tasks with much greater efficiency than conventional continuous-flow waterjet systems because of the repetitive waterhammer effect A nozzle with multiple exit orifices or a rotating nozzle (76) may be provided in lieu of a nozzle with a single exit orifice to render cleaning and de-coating large surfaces more efficient. A water dump valve (27) and controlling solenoid are located in the mobile generator module (20) rather than the gun (50) to make the gun lighter and more ergonomic.
Owner:PRATT & WHITNEY MILLTARY AFTERMARKET SERVICES
Method and apparatus for monitoring gateroad structural change
ActiveUS20090134692A1Overcome problemsElectric/magnetic detection for well-loggingMining devicesMultiple sensorEngineering
Owner:COMMONWEALTH SCI & IND RES ORG
Fluid drilling system with drill string and retro jets
InactiveUS20020011357A1Maximum productivityEliminate requirementsDrill bitsDrilling rodsWell drillingDrilling system
A self-advancing drilling system comprising a drilling apparatus, the 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 drilling system further comprising a drill string formed from recoverable flexible hose.
Owner:THE UNIV OF QUEENSLAND
Mobile oil sands mining system
Owner:SUNCOR ENERGY INC
Integration of an in-situ recovery operation with a mining operation
InactiveUS20100276983A1Disloding machinesUnderground chambersSteam-assisted gravity drainageIntegrated systems
This description is directed to a method and system for integrating an in-situ bitumen recovery operation with a bitumen mining operation for improved efficiencies and synergies therebetween. The method comprises obtaining a production fluid from the in-situ bitumen recovery operation, directing the production fluid to the bitumen mining operation, and incorporating the production fluid into the bitumen mining operation. The basic integrated system comprises a production well for recovering production fluid from the in-situ bitumen recovery operation, a bitumen mining and extraction facility, and a transporter for directing the production fluid from the production well to the bitumen mining and extraction facility for incorporation into the mining and extraction operation. The in-situ recovery operation may be a thermal operation, such as steam-assisted gravity drainage (SAGD), cyclic steam stimulation (CSS), or a derivative thereof.
Owner:EXXONMOBIL UPSTREAM RES CO
Device for sealing a drill hole and for discharging drillings or stripped extraction material
InactiveUS7011167B2Improve securityImprove sealingDrilling rodsConstructionsEngineeringDrill cuttings
In a device for sealing a bore hole and discharging drill cuttings and stripped excavation material, including a housing adapted to receive sealing elements and an opening capable of being connected to the bore hole, one side wall of the housing is provided with at least one opening for the connection of a haulage duct, wherein the housing end side facing the bore hole is equipped with a lockable, particularly screwable, sealing flange (13) for the detachable connection with a bore hole lining (11). The sealing flange (13) is rotationally and sealingly mounted within the housing and carries projections, in particular an annular brim (15) which is overlapped by a stop (14) of the housing.
Owner:VOEST ALPINE BERGTECHNIK GMBH +1
Electronic blasting capsule
An electronic blasting capsule which includes a housing which contains a propellant, a fuse, a sensor for detecting the position of the housing in a capsule delivery path, an energy arrangement for obtaining energy from an external energy source, and a controller, responsive to the sensor and the energy arrangement, for firing the fuse to initiate the propellant.
Owner:SANDVIK MINING & CONSTR RSA (PTY) LTD
Refuge chamber and method
A refuge chamber for miners in a mine includes a skid. The chamber includes a tent that is disposed in the skid in an undeployed state which is expandable to a deployed state and extends from the skid to provide a protected atmosphere for the miners. A method for providing a refuge chamber for miners in a mine including the steps of opening a skid made of metal. There is the step of expanding a tent that is disposed in the skid in an undeployed state to a deployed state that extends from the skid to provide a protected atmosphere for the miners.
Owner:STRATA PRODS WORLDWIDE
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