WO2015178853A1 - Seafloor haulage system - Google Patents
Seafloor haulage system Download PDFInfo
- Publication number
- WO2015178853A1 WO2015178853A1 PCT/SG2015/000128 SG2015000128W WO2015178853A1 WO 2015178853 A1 WO2015178853 A1 WO 2015178853A1 SG 2015000128 W SG2015000128 W SG 2015000128W WO 2015178853 A1 WO2015178853 A1 WO 2015178853A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seafloor
- container
- haulage system
- line member
- buffer
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C50/00—Obtaining minerals from underwater, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/56—Towing or pushing equipment
- B63B21/66—Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
- B65G17/126—Bucket elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/32—Individual load-carriers
- B65G17/36—Individual load-carriers having concave surfaces, e.g. buckets
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8858—Submerged units
- E02F3/8866—Submerged units self propelled
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/005—Equipment for conveying or separating excavated material conveying material from the underwater bottom
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
- E02F7/065—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators mounted on a floating dredger
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2016—Winches
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/2045—Guiding machines along a predetermined path
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/205—Remotely operated machines, e.g. unmanned vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/42—Towed underwater vessels
Definitions
- the invention relates to a haulage system preferably a seafloor haulage system operating underwater.
- the invention relates, but is not limited, to a mechanical seafloor haulage system with guided containers
- seafloor mining systems There have been various attempts to develop commercially viable mining systems that collect and then convey the nodules from the seafloor.
- One important aspect of seafloor mining systems relates to haulage systems that raise collected seafloor material to the surface.
- One of the key factors affecting operational costs, and hence commercial viability, is energy consumption, particularly in relation to hauling seafloor material from the seafloor to the surface.
- One haulage system design is to hydraulically haul seafloor materials using some form of riser which pumps seafloor material from the seafloor to a surface vessel or platform.
- a riser is provided which contains and conveys a fluid with suspended minerals therein.
- the riser material is typically transported in slurry form via subsea pumps and/or compressed air injected into the riser.
- seafloor haulage system for lifting seafloor materials from the seafloor to the surface, the seafloor haulage system comprising:
- At least one container capable of carrying a load the container being connected to the line member;
- the container has a steerable element that enables the container to manoeuvre as it is propelled through the water.
- the steerable element comprises at least one adjustable surface.
- the steerable element may comprise a rudder, flap, and/or at least one adjustable hydrofoil.
- the steerable element is controlled to guide the container along a path.
- the steerable element may be controlled remotely but is preferably controlled autonomously.
- the steerable element is controlled by actively trimming the steerable element.
- the container is a skip.
- the container further comprises a position determination system, even more preferably an inertial navigation system that provides a position estimate based on inertial measurements.
- the position determination system may include magnetic compass, attitude, and/or depth sensors, with potential additional input from acoustic navigation equipment such as Ultra Short Base Line systems.
- the steerable element is controlled with respect to the position estimate from the position determination system.
- the container is programmed to follow a predetermined path.
- the line member may be made of cable, rope, or wire.
- the line member is made of rope, even more preferably synthetic rope, even more preferably two synthetic ropes running parallel so to spread load and reduce the consequences of failure of a single rope.
- the line member may be integral or may comprise a plurality of line member segments that collectively define the line member. Preferably at least some of the line member segments are connected via a container.
- the line member extends from a first surface location located towards or at the surface to a deep sea location located towards or at the seafloor.
- the line member further extends from the deep sea location located towards or at the seafloor to a second surface location located towards or at the surface.
- the first surface location and the second surface location are located substantially the same distance from the deep sea location.
- the first surface location and the second surface location are located at substantially the same level with respect to sea level.
- the first surface location and the second surface location are located on opposite ends or sides of a surface vessel, e.g. ship or boat or other type 1 of floating device.
- the line member is received by a sheave at or near the first surface location, the second surface location, and/or the deep sea location.
- the system further comprises at least one drive element that pulls on the line member.
- the drive element includes a winch that receives at least a portion of the line member.
- the winch comprises a rotatable spool around which the line member can be wound.
- the system comprises two winches, preferably in a double drum configuration.
- the winches are configured such that potential energy from a down-going container can be recovered by an up-going container.
- a first winch is located adjacent the first surface location and the second winch is located adjacent the second surface location.
- the first and second winches are located above the surface, but they could be located below the surface.
- the line member extends from the first winch to the second winch.
- the line member is under tension between the two winches, preferably via a sheave located at or near the deep sea location.
- the line member extends from the first wirich to the second winch, preferably via a sheave at or near the first surface location, a sheave at or near the deep sea location , and/or a sheave at or near the second surface location.
- a first container is connected to the line member between the first surface location and t the deep sea location, and preferably a second container is connected to the line member between the second surface location and the deep sea location.
- the first container and second container are spaced apart on the line member such that when one container is located at or near the deep sea location the other container will be located at or near its respective surface location.
- the system further comprises a counterweight.
- the counterweight is located at or near the deep sea location.
- the counterweight is configured to ensure that the buffer is statically stable and resists the tendency to overturn.
- the system further comprises a buffer.
- the buffer is located at or near the deep sea location.
- the counterweight is connected to the buffer.
- the buffer is suspended above the seafloor.
- the buffer is suspended above the seafloor by a buffer line extending from at or near the surface.
- the buffer line is an umbilical cable which provides services, such as power and/or data transfer, to the buffer and/or seafloor machines.
- the buffer has a storage compartment for storing gathered seafloor materials.
- the buffer has at least one inlet for receiving gathered seafloor materials and at least one outlet for dispensing gathered seafloor materials.
- the inlet is connected to an inlet pipe, preferably a slurry hose inlet pipe.
- the outlet or outlets comprises a chute or chutes.
- the chutes selectively release seafloor materials when actuated.
- the chutes may have dosers to dispense a predetermined quantity of seafloor materials when actuated.
- the buffer preferably comprises thrusters.
- the thrusters actively control orientation, preferably azimuthal orientation relative to a surface - vessel, preferably configured to counteract twisting of the subsea rigging.
- the buffer preferably comprises a seafloor processing system.
- the seafloor processing system separates desirable seafloor materials, such as nodules, from slurry.
- the container may traverse the line member, but preferably the container is affixed to the line member and is propelled by being towed by the line member.
- the container is affixed to at least two segments of the line member, a first line member segment for towing the container in a first direction and a second line member segment for towing the container in a second direction.
- the seafloor haulage system further comprises a surface vessel.
- the at least one winch is mounted to the surface vessel.
- the line members are supported in the water by the surface vessel.
- a plurality of line members, preferably with respective winches, containers and/or buffers, are arranged in parallel from the surface vessel.
- the seafloor haulage system further comprises at least one seafloor material collection apparatus.
- the at least one seafloor material collection apparatus is connected by a seafloor material transfer pipe to the buffer.
- a container for hauling seafloor materials from the seafloor to the surface comprising:
- the step of gathering seafloor material comprises operating at least one seafloor material collection apparatus to gather seafloor materials.
- the gathered seafloor materials are preferably transferred from the at least one seafloor material collection apparatus via a pipe, preferably in slurry form.
- the step of transferring gathered seafloor material to at least one container located at or near the seafloor further comprises the step of transferring the gathered seafloor material to a buffer located at or near the seafloor and then dispensing gathered, seafloor material from the buffer to the at least one container.
- the method may further comprise the step of processing the incoming seafloor material, preferably by separating desirable seafloor materials, such as seafloor nodules, from incoming slurry, at the buffer.
- the step of guiding the container from at or near the seafloor to at or near the surface comprises controlling the at least one steerable element.
- the container is autonomously controlled.
- at least two containers are provided and as one container travels towards the surface the other container travels towards the seafloor.
- the two containers are connected by a single line member.
- each container is guided to avoid collision with the other container as they pass each other, preferably by controlling the at least one steerable element.
- the method preferably comprises simultaneously guiding a first container towards the surface and a second container towards the seafloor.
- the step of unloading the container to a surface vessel preferably comprises releasing the contents of the container into an unloading bin located at or near the surface vessel.
- the method further comprises the step of towing the container with a line member.
- the step of towing the container with a line member comprises actuating a winch that winds the line member onto a spool.
- the line member is connected between two winches, preferably via a sheave at a deep sea location, and is simultaneously unwound from a first winch as it is wound onto the second winch to tow the container in a first direction, and is unwound from the second winch and wound onto the first winch to tow the container in a second direction.
- a first container travels between the first winch and the sheave located at or near a deep sea location and a second container travels between the second winch and the sheave located at or near a deep sea location.
- Figure 1 is a perspective view of a seafloor haulage system
- Figure 2 is a diagrammatic side elevation representation of a seafloor haulage system
- Figure 3 is a diagrammatic side elevation representation of a buffer
- Figure 4 is a diagrammatic side elevation representation of a container
- Figure 5 is a close-up perspective view of a buffer unloading material into a container.
- FIG. 1 illustrates a seafloor haulage system 10 comprising a surface vessel 100, two buffers 200 located near, but suspended above, the seafloor, two seafloor material collection apparatus 300, and two (or four) containers 400 with a cavity therein to carry a load of seafloor material.
- the surface vessel 100 has winches 110 and sheaves 120 which are engaged with lines members 150.
- Winches 110 are preferably in the form of hydrographic or drum winches which may include heave compensation systems.
- Containers 400 are preferably skips. Each container 400 is connected to a respective line member 150.
- Each seafloor material collection apparatus 300 is connected via flexible pipe in the form of a slurry hose 310 to a buffer 200.
- the buffer it is preferable for the buffer to have its own power, control and communication umbilical cable. Power, control, and communication is then also provided to the seafloor material collection apparatus 300 from the buffer 200.
- the seafloor material collection apparatus 300 could be powered and/or controlled using umbilicals from another entity (e.g. the surface vessel 100).
- one seafloor collection apparatus 300 is shown per buffer 200, it will be appreciated that each buffer 200 could be connected to multiple seafloor collection apparatus 300 or multiple seafloor collection apparatus 300 could be connected to a single buffer 200.
- FIG. 2 illustrates further details of haulage system 10.
- buffer 200 is suspended by a buffer line 210 which is preferably in the form of an umbilical cable providing power, control, and/or data communications to the buffer 200 from the surface vessel 100 (not shown in figure 2) via a buffer winch 112 .
- the buffer 200 is weighted by a counterweight 220 at a deep sea location 30 located towards, preferably near, the seafloor.
- a line member 150 which is preferably made substantially of synthetic rope, extends from a first surface location 20a down to the deep sea location 30 and back up to a second surface location 20b which is located adjacent the first surface location 20a. Specifically, the line member. 150 extends from a first winch 110a to a first surface sheave 120a to a deep sea sheave 130 located adjacent the buffer 200 to a second surface sheave 120b to a second winch 1 0b. The winches 110a, 1 iOb and surface sheaves 120a, 120b are typically located on the surface Vessel 100 (as shown in figure 1 ). [0044] A first container 400a is located between the first surface sheave 120a and the deep sea sheave 130.
- a second container 400b is located between the second surface sheave 120b and the deep sea sheave 130.
- the first container 400a and the second container 400b are connected to the same line member but on opposite sides of the deep sea sheave 130.
- the two winches 110a and 1 10b are arranged such that as one winds wire onto its respective spool the other unwinds wire from its respective spool, and vice versa.
- the first container 400a and second container 400b are each affixed to the line member 150 by a line member attachment assembly such that connects the containers 400a, 400b between two adjacent segments of the line member 150.
- a first unloading bin 140a and a second unloading bin 140b are located at the first surface location 20a and second surface location 20b, respectively.
- the first unloading bin 140a and second unloading bin 140b are both configured to receive material from the first container 400a and the second container 400b, respectively, when their respective container 400a, 400b is alongside.
- the unloading bins 140a, 140b may have a large storage capacity, possibly a shared storage capacity, or may transfer the seafloor materials to one or more silos of the surface vessel 100 for storage.
- Figure 3 illustrates a buffer 200 suspended by buffer line 210 and weighted down by counterweight 220.
- the buffer 200 has azimuth thrusters 230.
- the thrusters 230 are illustrated as extending from the counterweight 220, it will be appreciated that they could also be located on other parts of the buffer 200.
- the thrusters 230 server to provide azimuth and lateral manoeuvrability of the buffer 200.
- the thrusters 230 can be used to actively control orientation of the buffer 200, primarily azimuthal orientation relative to the surface vessel 100 This enables the buffer 200 to maintain correct orientation relative to the surface vessel to prevent any entanglement cause by twisting of any of the lines (e.g. line member 150, buffer line 210, and any other lines extending from the surface vessel 100).
- the thrusters 230 of the buffer 200 are preferably controlled autonomously or remotely from the surface vessel 00.
- Figure 4 illustrates a container 400 connected between a first segment 150a and a second segment 150b of the line member 150.
- the container 400 has steerable elements in the form of adjustable flaps 410 which enable the container 400 to manoeuvre as it is pulled through the water by the lines members.
- the container 400 is programmed to autonomously or via remote control to direct the container 4P0 on a path that avoids entanglement or collision with any lines or other containers operating in the area as it is pulled by the line member 150.
- the container 400 has a position determination system, preferably in the form of an inertial navigation system, that provides control systems for the container 400 with position estimates.
- the position determination system preferably includes a plurality of sensors including at least one or more of, heading, pitch, roll, position and depth sensors.
- the flaps 410 are then trimmed with respect to the position estimate and sensor outputs to direct the container 400 along a substantially predetermined path.
- the container 400 preferably has a power storage system, typically including a battery, which provides the necessary power for control systems and the adjustable flaps 410 to be trimmed.
- the power storage system is interchangeable or charged when the container 400 is located at its surface position 20a, 20b.
- the container 400 could be powered and/or controlled from the surface vessel 100 via the line member 150.
- the container 400 is preferably connected to two line members 150 above and two line members below (e.g. in a Blair multi-rope configuration of a double drum hoist system).
- the two line members 150 above the container 400 allow the container 400 to be azimuthally oriented, without the need for hydrodynamic steering, when the container 400 slows down as it approaches the unloading bin of the surface vessel 100.
- the two line members 150 below the container 400 allow the container 400 to be azimuthally oriented, without the need for hydrodynamic steering, when the container 400 slows down as it approaches the buffer 200 near the seafloor.
- FIG. 5 illustrates a close up view of a buffer 200 when unloading seafloor materials into a container 400.
- Buffer 200 has an inlet 202 that receives gathered seafloor materials from seafloor collection apparatus 300 via slurry hose 310. The gathered seafloor materials are then stored in storage compartment 204 of the buffer 200 ready to be unloaded to a container 400.
- the storage compartment 204 preferably has a capacity sufficient to at least fully load a single container 400 without having to wait for further materials to be received over slurry hose 310.
- the seafloor material contained in storage compartment 204 of the buffer 200 assists the counterweight 220 (not shown in figure 5) to weigh the buffer 200 down in the water.
- the counterweight 220 located below the sheave 130 assists to weigh the buffer 200 down and also acts to prevent overturning of the buffer 200.
- seafloor materials are transferred from the storage compartment 204 of the buffer 200 to the container 400 via outlet 206 of the buffer 200.
- Outlet 206 of the buffer 200 is located at an upper end of the storage compartment 204 to enable gravity feeding of the storage materials down chute 208.
- the seafloor materials may be urged toward the container 400 using an appropriate mechanism such as, for example, an Archimedes screw feeder.
- Chute 208 is preferably actuated to open outlet 206 when the container 400 arrives to the deep sea location 30 (as shown in figure 5) and to close outlet 206 when the container 400 leaves the deep sea location 30 to prevent loss of seafloor materials from inside the storage compartment 204.
- Chute 208 may be actuated by any suitable means such as mechanically or hydraulically by the storage container 400 or electronically either automatically or via control from the surface vessel 100.
- the seafloor haulage system 10 can be expanded from a single line member 150 system (as shown in figure 2) to have multiple line members 150 (e.g. two adjacent line members 150 as shown in figure 1 ) working adjacent each other, each with respective containers 400 and buffers 200. Larger arrays of line members 150 with associated containers 400 and buffers 200 could also be used to scale the system as needed.
- seafloor materials are gathered by seafloor collection apparatus 300 and pumped in slurry form over slurry hose 310 to the buffer 200.
- the buffer 200 may optionally process the received seafloor material, and collects the gathered seafloor material in temporary storage compartment 204.
- First container 400a is lowered to the buffer 200 by actuating second winch 110b which pulls the first container 400a via the line member 150.
- Second winch 110b which pulls the first container 400a via the line member 150.
- gathered seafloor material is transferred from the buffer 200 to the container 400a.
- the first container 400a is pulled, via line member 150, back to the surface £y actuating the first winch 1 10a.
- the second container 400b is simultaneously pulled down, via line member 150, to the buffer 200.
- the first container 400a and second container 400b are spaced apart on the line member such that when the first container 400a is at the surface the second container 400b is at the buffer 200 and vice versa.
- the first container then unloads the seafloor material to the surface vessel 100 via unloading bin 140a.
- the buffer 200 transfers gathered seafloor material to the second container 400b.
- Second container 400b is then pulled the surface to second unloading bin 140b, which in turn pulls first container 400a back down to the buffer 200, and the process repeats.
- the seafloor haulage system 10 provides a mechanical haulage system that is energy efficient compared to hydraulic riser systems while also reducing the likelihood of entanglement of subsea lines or collision of passing containers. Furthermore, it is easily relocatable by raising the deep sea components towards the surface, moving them to a new location, and then lowering them at the new location. This reduces relocation costs and set up times which ultimately increases productivity as the seafloor mining system covers large areas of the seafloor.
- the terms 'comprises', 'comprising', 'includes', 'including', or similar terms are intended to mean a non-exclusive inclusion, such that a method, system or apparatus that comprises a list of elements does not include those elements solely, but may well include other elements not listed.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020167035560A KR101929431B1 (en) | 2014-05-19 | 2015-05-19 | Seafloor haulage system |
AU2015262041A AU2015262041B2 (en) | 2014-05-19 | 2015-05-19 | Seafloor haulage system |
JP2016562028A JP6693886B2 (en) | 2014-05-19 | 2015-05-19 | Submarine transportation system |
SG11201609294UA SG11201609294UA (en) | 2014-05-19 | 2015-05-19 | Seafloor haulage system |
US15/312,178 US10883252B2 (en) | 2014-05-19 | 2015-05-19 | Seafloor haulage system |
EP15795449.6A EP3146153B1 (en) | 2014-05-19 | 2015-05-19 | Seafloor haulage system and a method of hauling seafloor materials |
CN201580023922.7A CN106460509B (en) | 2014-05-19 | 2015-05-19 | Subsea transport system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2014901855A AU2014901855A0 (en) | 2014-05-19 | Seafloor haulage system | |
AU2014901855 | 2014-05-19 |
Publications (1)
Publication Number | Publication Date |
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WO2015178853A1 true WO2015178853A1 (en) | 2015-11-26 |
Family
ID=54554394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/SG2015/000128 WO2015178853A1 (en) | 2014-05-19 | 2015-05-19 | Seafloor haulage system |
Country Status (8)
Country | Link |
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US (1) | US10883252B2 (en) |
EP (1) | EP3146153B1 (en) |
JP (1) | JP6693886B2 (en) |
KR (1) | KR101929431B1 (en) |
CN (1) | CN106460509B (en) |
AU (1) | AU2015262041B2 (en) |
SG (1) | SG11201609294UA (en) |
WO (1) | WO2015178853A1 (en) |
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CN106185643A (en) * | 2016-08-25 | 2016-12-07 | 江苏科技大学 | A kind of underwater vertical transportation system receives device |
EP3330441A1 (en) | 2016-12-02 | 2018-06-06 | BAUER Maschinen GmbH | Underwater excavation device and method for excavation |
EP3564446A1 (en) | 2018-05-03 | 2019-11-06 | BAUER Maschinen GmbH | Underwater excavation device and method for excavation |
NL2022030B1 (en) * | 2018-11-20 | 2020-06-03 | Boskalis Bv Baggermaatschappij | Sea mining system and method for mining in a deep sea |
EP3805465A1 (en) | 2019-10-08 | 2021-04-14 | BAUER Maschinen GmbH | Underwater stripping device and method for removing soil material under water |
EP4223940A1 (en) | 2022-02-02 | 2023-08-09 | BAUER Maschinen GmbH | Arrangement and method for removing natural resources from a body of water |
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CN110901838B (en) * | 2019-11-29 | 2021-08-31 | 天津大学 | Deep sea mineral buoyancy self-elevating lifting method |
CN114035232B (en) * | 2022-01-11 | 2022-04-15 | 自然资源部第二海洋研究所 | Deepwater pressure-resistant three-component magnetic field measuring device |
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Also Published As
Publication number | Publication date |
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CN106460509B (en) | 2020-04-21 |
US20170121935A1 (en) | 2017-05-04 |
SG11201609294UA (en) | 2016-12-29 |
JP6693886B2 (en) | 2020-05-13 |
EP3146153A4 (en) | 2018-06-06 |
AU2015262041A1 (en) | 2016-10-20 |
KR20170015929A (en) | 2017-02-10 |
CN106460509A (en) | 2017-02-22 |
JP2017521579A (en) | 2017-08-03 |
EP3146153A1 (en) | 2017-03-29 |
EP3146153B1 (en) | 2021-11-10 |
US10883252B2 (en) | 2021-01-05 |
AU2015262041B2 (en) | 2019-09-12 |
KR101929431B1 (en) | 2018-12-14 |
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