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Match Document Document Title
8165722 Velocity and concentration adjustable coupling pipe apparatus equipped between lifting pipe and collector  
Disclosed herein is a velocity and concentration adjustable coupling pipe apparatus equipped between a lifting pipe and a collector. The apparatus includes a coupling pipe having a lower inlet and...
7597401 Non-motorized gold mining apparatus  
A non-motorized apparatus for collecting particulate materials, including gold, in stream placer deposits, comprising a first tubular member, a second tubular member, a third tubular member with...
7546880 Extracting gas hydrates from marine sediments  
A process for extracting hydrocarbon gases from marine sediment hydrates. In one embodiment, the process includes drilling from a sea floor into a hydrate rich subsea sediment to form at least one...
7461901 Method and means for processing oil sands while excavating  
The present invention is directed to the separation of bitumen, such as by the Clark process or by a countercurrent de-sander, in an underground excavation machine, such as a tunnel boring machine.
7192092 Method and means for recovering hydrocarbons from oil sands by underground mining  
The present invention is directed generally to the combined use of slurry mining and hydrocyclones to recover hydrocarbons, such as bitumen, from hydrocarbon-containing materials, such as oil...
7082270 Machine optimization methodology  
The present invention relates to the remote activation of a system diagnostic for a customer. The system so activated is resident at the customer location. The activation is initiated at a location...
7013937 Apparatus and process for mining of minerals  
Apparatus for transporting mineral from a point of mining to a remote location, the apparatus including a mobile mineral breaker rig (MBR) having a mineral outlet, the rig including a fluid inlet...
6994159 System for extracting natural gas hydrate  
A system for extracting natural gas from natural gas hydrates utilizing a first conduit positioned in the natural gas hydrate containing strata. A flowable heat containing medium is urged through...
6929330 Method and system for mining hydrocarbon-containing materials  
The present invention is directed, inter alia, to devices and methods for excavating valuable materials, particularly soft ores such as oil sands, oil shales, and the like, that use one or more of...
6824224 Coalbed methane extraction process  
A method and system for recovering coalbed methane are disclosed. The method involves tunneling along a seam of coal to a point below a water table and at a depth below the water table sufficient...
6299256 Method and apparatus for recovering a gas from a gas hydrate located on the ocean floor  
A method and apparatus for recovering a gas from a gas hydrate on the ocean floor includes a flexible cover, a plurality of steerable base members secured to the cover, and a steerable mining...
6209965 Marine clathrate mining and sediment separation  
A method and apparatus for mining of hydrocarbons from a hydrocarbon-containing clathrate such as is found on the ocean floor. The hydrocarbon containing clathrate is disaggregated from sediment by...
6152356 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...
6145223 Dredging apparatus  
5950732 System and method for hydrate recovery  
A system for recovering liquid hydrocarbons from hydrates on an ocean floor includes a vessel, a positioning subsystem coupled to the vessel for holding the vessel in a desired location over a...
5451315 Ore pass shaff water drainage means  
An ore pass rush eliminator is disclosed which includes, in the ore pass shaft, a channel formed in the base of the shaft whereby excess water can pass to waste to avoid any build up of such water....
5328250 Self-propelled undersea nodule mining system  
A self-propelled machine has an internal chamber having a conveyor mechanism extending through an opening in a wall. A buoyancy control allows admission of pressurized air into the chamber to allow...
5199767 Method of lifting deepsea mineral resources with heavy media  
Heavy media, which are heavier than the bulk density of nodules of raw deepsea mineral resources, are used to discharge the nodules on a marine ship through a lifting pipe from a sea floor U-tube...
5020858 Method of and apparatus for forming and transporting mud clogs  
A method of transporting mud, in which mud agitated and fluidized is supplied, while being pressurized by a pressurizing vane, through a check valve to a mud supply portion, and in which...
4953915 Roof fall separating and removing apparatus and method for use in thin seam highwall mining  
A thin seam highwall mining machine has a cutter head for mining coal from a seam while advancing forwardly into a mined hole, a power head anchored to a bench at the surface, and multisection...
4932144 Remote underwater excavator and sampler  
An underwater excavator in which when energized by a supply of hydraulic oil or other means a propeller is set in motion with water being drawn through a water intake into a cylindrical tube and...
4842336 Method and device for collecting objects from the seabed  
Method and device for collecting objects pointing out of the bottom level of seas or corresponding water areas so that the objects are carried from the bottom by using waterflow through an intake...
4778219 Jigging machine  
A jigging machine, particularly a movable sieve jigging machine, for the preseparation of deads from valuable material comprises an oscillatory jig bed in the housing filled with separating fluid...
4685742 Equipment for extracting ores from sea beds  
Apparatus for extracting ores from the sea bed, comprising a surface ship (1) supplying the power required for the operation of the under-water assembly and for storing the ore, a relay unit (30)...
4681372 Deep sea mining apparatus  
An undersea mining apparatus including a hydraulically operated ejector pump for submerged use to provide a reduced pressure adjacent the outlet of a lift pipe, to thereby induce flow of mineral...
4666212 Metal value recovery  
Metal values, particularly precious metal values, are recovered from fines on a footwall and in the fissures and cracks therein by passing a solution capable of solubilizing the metal values across...
4652055 Device for collecting manganese nodules on the ocean floor  
A device for collecting manganese nodules or the like from the ocean floor having a frame that is drawn across the ocean floor, a cylinder rotating around a horizontal axis which has on its...
4585274 Mineral and metal particle recovery apparatus and method  
Apparatus for recovering metallic particles from a recovery hole formed in a sub-surface formation containing said particles, comprises (a) a barge, (b) a rotating cutter head supported by the...
4579391 Method of electric smelting to matte in situ  
A method of extraction of metallic sulfides (Matte) from an ore deposit in situ. The contained sulfides are smelted by resistor induced heat creating a matte containing precious metals, including,...
4572582 Method of mining metals located in the earth  
An earth battery which includes a first electrode which is a veined material located in the earth, a second electrode electrically connected to the surface of the earth and disposed in a hole which...
4533526 Process for recovering polymetal compounds discharged from a submarine hydrothermal source and devices for carrying out the same  
A process and device for recovering polymetal compounds discharge from a submarine hydrothermal source comprises the use of a device comprising a bell-shaped collector member provided with a...
4505516 Hydrocarbon fuel recovery  
A system for the extraction of a hydrocarbon fuel from a hydrocarbon fuel-bearing ore comprising means for mining the ore, a plurality of portative retorts for processing the mined ore to produce a...
4497519 Metal particle recovery at sub-surface locations  
Apparatus for recovering metallic particles in a sub-surface formation includes first and second ducts that extend downwardly, the first duct discharging water in a pressurized stream to effect...
4399622 Fluid intake openings for a suction dredger  
A dredging apparatus is afforded having the improvements of a wedge-shaped dredge foot housing both a fluid opening and a filter member, the intake opening being located on the underside of the...
4397503 Auriferous gravel interceptor  
A continuous belt traverses a river through channels on the river bed and carries intercepted material to the river banks for separation of precious metals and gemstones therefrom. Method and...
4391468 Method and apparatus for recovering mineral nodules from the ocean floor  
A method of recovering mineral nodules deposited on the ocean floor which comprises the steps of pumping a continuous flow of ocean water along a first confined path through an exchange position...
4368923 Nodule collector  
A nodule collector for deep sea mining includes an outer sledge and an inner sledge disposed in and connected to the outer sledge for trailing movement therewith. The inner sledge is provided with...
4346937 Dredging apparatus including suction nozzles  
There is provided a dredge vehicle supporting a dredge assembly for collecting ore particles from the ocean floor. The dredge assembly includes several nozzles extending forwardly of the supports...
4319782 Means for controlling feed of particulate material into airlift pipe  
To limit the amount of solid particulate matter fed into an airlift pipeline from, especially, a suction nozzle device, the density of the suspension passing from the suction nozzle to the airlift...
4311342 Dredge head with mechanical and pumping action  
This invention provides dredge means for obtaining ore and other particular material from the ocean floor. The dredge head utilizes a combination of hydrodynamic, pumping, effects plus mechanical...
4275926 Down hole pump with bottom receptor  
A tool for slurrying and recovering minerals, including bitumen, from a single bore hole by hydraulic mining and jet pumping to the surface in which the tool includes conduits for pumping water...
4265737 Methods and apparatus for transporting and processing solids  
The transporting of solids using selected fluorochlorocarbons as carriers. Techniques of recovering the carrier are also disclosed as are novel solids handling and processing systems in which the...
4251108 Method of and an arrangement for longwall mining  
Material removed from a longwall mining face is comminuted to obtain particles of predetermined size. A hydraulic fluid is circulated through the thusly obtained particles at a pick-up location so...
4232903 Ocean mining system and process  
An ocean mining system for mining manganese nodules comprises a surface subsystem and an ocean bottom subsystem.The ocean bottom subsystem includes a mobile, maneuverable, self-propelled, miner...
4189184 Rotary drilling and extracting process  
Process and apparatus is described for mining of subterranean carbonaceous deposits such as tar sands, in which the deposit is treated in situ with circulating high pressure jets of heated mining...
4178233 Fluorinated hydrocarbons in coal mining and beneficiation  
A method of using fluorinated hydrocarbons as a carrier to convey mined coal to a separation station. The carrier acts as a parting liquid for beneficiating the coal. The carrier is recovered and...
4178231 Method and apparatus for coal separation using fluorinated hydrocarbons  
Coal is separated in a gravity separator using a fluorinated hydrocarbon parting liquid. The cleaned coal is burned and the ash mixed with recovered parting liquid and returned to the gravity...
4147390 Nodule dredging apparatus and process  
Nodule dredge comprising one or more of the following: convergent wall device, e.g., "horn member", for accelerating liquid flow through the apparatus; comb or grid-like collecting or lifting...
4140344 Extraction of organic matter from marine sediment  
Marine sediment contains organic matter which can be extracted to provide a source of energy, by extracting the organic matter from the marine sediment when in the form of a slurry, and separating...
4134831 Method for lake restoration  
A process for removing pollutants or minerals from lake, river or ocean sediments or from mine tailings is disclosed. Magnetically attractable collection units containing an ion exchange or sorbent...
Matches 1 - 50 out of 102 1 2 3 >