WO2014015363A1 - A method of subsea testing using a remotely operated vehicle - Google Patents
A method of subsea testing using a remotely operated vehicle Download PDFInfo
- Publication number
- WO2014015363A1 WO2014015363A1 PCT/AU2013/000762 AU2013000762W WO2014015363A1 WO 2014015363 A1 WO2014015363 A1 WO 2014015363A1 AU 2013000762 W AU2013000762 W AU 2013000762W WO 2014015363 A1 WO2014015363 A1 WO 2014015363A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seafloor
- remotely operated
- operated vehicle
- seafloor material
- sensor
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
-
- 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
- B63C11/48—Means for searching for underwater objects
-
- 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
- B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/221—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis
- G01N23/222—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2211/00—Applications
- B63B2211/02—Oceanography
-
- 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
- B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
- B63G2008/002—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned
- B63G2008/005—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned remotely controlled
- B63G2008/007—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned remotely controlled by means of a physical link to a base, e.g. wire, cable or umbilical
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/074—Investigating materials by wave or particle radiation secondary emission activation analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/616—Specific applications or type of materials earth materials
Definitions
- the invention relates to a method of subsea testing using a remotely operated vehicle (ROV).
- ROV remotely operated vehicle
- the invention relates, but is not limited, to a method of testing seafloor material using a remotely operated vehicle equipped with a spectroscopic sensor such as an x-ray fluorescence (XRF) sensor or a neutron activation analysis (NAA) sensor.
- XRF x-ray fluorescence
- NAA neutron activation analysis
- seafloor mining operations in which seafloor material, typically seafloor deposits such as seafloor massive sulphides, are mined and conveyed to a surface vessel for processing are being developed.
- seafloor material typically seafloor deposits such as seafloor massive sulphides
- Many challenges arise from working in such an underwater environment, particularly when operating in deep bodies of water such as 1000-3000m+ below sea level.
- One method of obtaining a sample is to send a specialised remotely operated vehicle (ROV) with multi-function manipulators down to the seafloor to physically obtain the sample and bring it back to the surface.
- ROV remotely operated vehicle
- material that is suitable to be removed must first be identified, such as a 'chimney' or rocky out-crop.
- the ROV which has limited control, must then attempt to break off a piece of the rock with the multi-function manipulators.
- the sample is too strong to be broken off by the ROV, is crushed in the process, is too big to handle, or is accidentally dropped.
- Even if a good sample is obtained by the ROV it needs to be placed in a container on the seafloor and subsequently recovered to the surface. This retrieval operation increases complexity and requires additional components to be utilised, including a winch system to deploy and recover the sample container from the seafloor.
- Another method is to use wax sampling, in which a small weight with a small piece of wax is dropped onto the seafloor and the wax adheres to small particles that can be retrieved and analysed.
- this method is very inefficient as only a limited amount of randomly selected particles are retrieved, and the particles that are retrieved are relatively small which limits the level of analysis that can be conducted.
- Yet another sampling method is to use push core or box core sampling in which a relatively shallow core sample is taken from an apparatus that is plunged into the seafloor surface.
- this method is only suitable for soft sediment, and is not suitable to obtain a hard rock mineralised sample.
- a method of subsea testing using a remotely operated vehicle with a spectroscopic sensor comprising the steps of:
- the spectroscopic sensor includes an x-ray fluorescence sensor and/or a neutron activation analysis sensor.
- the step of analysing the seafloor material with the spectroscopic sensor preferably includes analysing the seafloor material with the x-ray fluorescence sensor and/or the neutron activation analysis sensor.
- the step of analysing the seafloor material comprises using data from, the x-ray fluorescence sensor and/or the neutron activation analysis sensor to determine mineral composition of the seafloor material.
- the method further comprises the step of determining a mineral grade estimate of the seafloor material using data from the analysis of the seafloor material.
- the seafloor material to analyse preferably includes seafloor sediment, hard rock, and/or structures.
- the method further comprises the step of generating spectroscopic data from the analysis of the seafloor material with the spectroscopic sensor.
- the method may further comprise the step of storing data from the spectroscopic sensor.
- the data may be stored on board the remotely operated vehicle and/or at a remote location.
- the method preferably further comprises the step of transmitting the data from the spectroscopic sensor, typically to a surface vessel or platform.
- the data is preferably transmitted in real time or near real time, but may also be transmitted (or retransmitted) at a later time.
- the remotely operated vehicle may be tethered, preferably by an umbilical cable to a surface vessel or other seafloor equipment such as seafloor mining, cutting, or stockpiling vehicles.
- the remotely operated vehicle may be powered and controlled via the umbilical cable.
- data is transmitted over the umbilical cable.
- the data may also be able to be downloaded from the remotely operated vehicle directly.
- the step of directing the remotely operated vehicle comprises locating the spectroscopic sensor adjacent the identified seafloor material.
- the spectroscopic sensor preferably comprises a waterproof housing that is pressure rated and suitably pressure tested for the depth of use.
- the waterproof housing may have an x-ray fluorescence and/or a neutron transmissive window.
- the step of locating the x-ray fluorescence and/or neutron activation analysis sensor adjacent the identified seafloor material preferably comprises using a remotely operated vehicle (ROV) manipulator arm or remotely actuated probe to position the transmissive window towards the identified seafloor material to analyse.
- ROV remotely operated vehicle
- the remotely operated vehicle is operated from a surface vessel or platform.
- the remotely operated vehicle may also be automated or partially automated.
- the remotely operated vehicle may have a seafloor material identification system for identifying seafloor material, which may be of interest, to be analysed.
- Figure 1 is a diagrammatic view of a seafloor operation including a remotely operated vehicle (ROV) testing seafloor material
- Figure 2 is a diagrammatic perspective view of a seafloor operation including a remotely operated vehicle (ROV) being used in conjunction with a seafloor bulk cutter (SBC);
- ROV remotely operated vehicle
- Figure 3 is a diagrammatic perspective view of the seafloor operation illustrated in figure 2 with the ROV being tethered to the SBC;
- Figure 4 is a flow chart illustrating steps of a method of subsea testing using a ROV.
- FIG 1 illustrates a diagrammatic view of a seafloor operation 10 being conducted on a seafloor 12 below sea level 14.
- the seafloor operation 10 may be located at various depths below sea level 14, but typically the seafloor 12 will be greater than 1000m below sea level 14 and, in many cases, approximately 2000 to 3000m below sea level 14.
- the seafloor operation 10 includes a remotely operated vehicle (ROV) 40 that is able to traverse the seafloor 12.
- the remotely operated vehicle 40 may be buoyant and/or may drive on the seafloor 12.
- the remotely operated vehicle has a spectroscopic sensor in the form of an x-ray fluorescence (XRF) and/or a neutron activation analysis (NAA) sensor 42.
- XRF x-ray fluorescence
- NAA neutron activation analysis
- a single spectroscopic sensor in the form an XRF or NAA sensor will typically be provided.
- both an XRF and a NAA sensor may be provided.
- the XRF and/or NAA sensor 42 is mounted in a pressure rated housing with an XRF and/or NAA transmissive window.
- the remotely operated vehicle 40 is also connected to a surface vessel or platform 18 via an 'umbilical' cable 44.
- the umbilical cable 44 provides the remotely operated vehicle 40 with power, control, and telemetry.
- the remotely operated vehicle 40 is powered and operated remotely, via the umbilical cable 44, from the surface vessel or platform 18.
- the surface vessel or platform 18 is illustrated as being located on the surface of the sea level 4, it will be appreciated that the surface vessel or platform could also be located elsewhere, such as on land.
- Umbilical cable 44 may, or may not, be connected to, or integrated with, an umbilical cable for other seafloor equipment (not shown in figure 1 ).
- the remotely operated vehicle 40 could have its own power source, e.g. battery power, and be operated via a wireless communications means.
- Seafloor 12 has a seafloor material 50 to be analysed.
- the seafloor material 50 typically includes seafloor sediment, hard rock and/or seafloor structures.
- the seafloor material 50 may be naturally occurring or may be recently exposed material, such as from an exposed bench as a result of a seafloor mining operation.
- Figures 2 and 3 illustrate the remotely operated vehicle 40 operating in conjunction with a seafloor mining vehicle operating on a newly created seafloor bench 30.
- the seafloor mining vehicle 20 is also connected to the surface vessel or platform 18 via a second umbilical cable 22.
- the seafloor material 50 is a recently exposed portion of the seafloor bench 30.
- FIG 3 illustrates the remotely operated vehicle 40 being used in conjunction with a seafloor mining vehicle 20 as illustrated in figure 2, but instead of the seafloor mining vehicle 40 having its own umbilical cable (44 in figures 1 and 2) to the surface vessel or platform 18, it has an umbilical tether 44' which is connected between the remotely operated vehicle 40 and the seafloor mining vehicle 20.
- the remotely operated vehicle 40 may still receive power and communicate with the surface vessel or platform 8, but it is instead via the umbilical cable 22 of the seafloor mining vehicle 20.
- the remotely operated vehicle 40 may be carried by the seafloor mining vehicle 20 until needed, at which time it separates from the seafloor mining vehicle 20 to analyse seafloor material 50 of interest.
- the remotely operated vehicle 40 may be utilised to conduct mineralised grade measurements as the seafloor mining vehicle 20 exposes new material.
- the seafloor material 50 to be analysed is first identified for analysis (step 100 of figure 4).
- the seafloor material 50 may be identified through variety of different means, but typically the remotely operated vehicle 40 will have some form of seafloor material identification system.
- the seafloor material 50 to be analysed may be identified by taking seafloor measurements (e.g. sonar), by visual identification (e.g. via a camera), and/or by using historical data.
- the remotely operated vehicle 40 is directed to the identified seafloor material (step 110 of figure 4) and the XRF and/or NAA sensor 42 is located adjacent the identified seafloor material 50.
- the XRF and/or NAA sensor is mounted on a manipulator arm of the remotely operated vehicle 40.
- the manipulator arm, or actuated probe is manoeuvrable with respect to the rest of the remotely operated vehicle 40 and is preferably controlled remotely, typically from the surface vessel or platform 18.
- the identified seafloor material 50 can be analysed by the XRF and/or NAA sensor 42 (step 120 of figure 2).
- Data from the XRF and/or NAA sensor 42 is stored and transmitted over the umbilical cable 44 or umbilical tether 44' to the surface vessel or platform 18.
- the data may be transmitted wirelessly (e.g. to the surface vessel or platform 18 or to other seafloor equipment such as a seafloor mining vehicle 20) and/or downloaded from the remotely operated vehicle 40 at a suitable time (e.g. when the remotely operated vehicle 40 is retrieved).
- the invention allows testing of seafloor material 50, such as seafloor sediment, hard rock and structures, remotely using a remotely operated vehicle 40.
- the XRF and/or NAA sensor 42 of the remotely operated vehicle 40 is used to provide composition and mineral grade estimates of the seafloor material 50 which can be used to improve knowledge of the seafloor 12 as well as to provide mining guidance to, and therefore enhance, seafloor mining operations.
- the method of operating a remotely operated vehicle 40 in accordance with the invention is more efficient than using existing remotely operated vehicles with manipulators that strive to obtain physical samples from the seafloor. Furthermore, the remotely operated vehicle 40 in accordance with the invention avoids various problems associated with obtaining physical samples such as not being able to obtain a sample, damaging a sample, losing a sample, etc. Furthermore, it allows for real-time analysis of seafloor material, avoiding the delays, and associated inefficiencies, in obtaining and analysing physical samples.
- the remotely operated vehicle 40 is easily utilised to provide relatively rapid data collection and analysis on seafloor material 50, allowing quick and accurate assessments to be made which in turn allows for informed decisions to be made in a timely manner.
- the remotely operated vehicle 40 may be utilised to provide timely analysis of a seafloor bench after it has been mined to confirm, and update if necessary, mineralisation estimates of the actual seafloor material being mined.
- the remotely operated vehicle 40 may be utilised to screen potential seafloor drilling sites, cost effectively selecting or rejecting mineralised targets for drilling.
- the composition and mineral grade estimates of the seafloor material 50 advantageously provide valuable information on the state of the seafloor 12 and, in particular, allow seafloor mining operations to focus on areas of high value.
- references herein to the seafloor, seabed, subsea, or the like are for convenience only and could equally be applied to other bodies of water such as, for example, a lake with a lakebed, etc.
- adjectives such as first and second, left and right, top and bottom, and the like may be used solely to distinguish one element or action from another element or action without necessarily requiring or implying any actual such relationship or order.
- reference to an integer or a component or step (or the like) is not to be interpreted as being limited to only one of that integer, component, or step, but rather could be one or more of that integer, component, or step etc.
- 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.
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015523341A JP2015524563A (en) | 2012-07-27 | 2013-07-10 | Method of underwater test using remotely operated vehicle |
KR20157003300A KR20150036447A (en) | 2012-07-27 | 2013-07-10 | A method of subsea testing using a remotely operated vehicle |
EP13823799.5A EP2877840A4 (en) | 2012-07-27 | 2013-07-10 | A method of subsea testing using a remotely operated vehicle |
US14/416,628 US20150268178A1 (en) | 2012-07-27 | 2013-07-10 | Method of Subsea Testing Using a Remotely Operated Vehicle |
AU2013296126A AU2013296126A1 (en) | 2012-07-27 | 2013-07-10 | A method of subsea testing using a remotely operated vehicle |
CN201380039645.XA CN104487828A (en) | 2012-07-27 | 2013-07-10 | A method of subsea testing using a remotely operated vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012903243A AU2012903243A0 (en) | 2012-07-27 | A method of subsea testing using a remotely operated vehicle | |
AU2012903243 | 2012-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014015363A1 true WO2014015363A1 (en) | 2014-01-30 |
Family
ID=49996415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2013/000762 WO2014015363A1 (en) | 2012-07-27 | 2013-07-10 | A method of subsea testing using a remotely operated vehicle |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150268178A1 (en) |
EP (1) | EP2877840A4 (en) |
JP (1) | JP2015524563A (en) |
KR (1) | KR20150036447A (en) |
CN (1) | CN104487828A (en) |
AU (1) | AU2013296126A1 (en) |
WO (1) | WO2014015363A1 (en) |
Cited By (2)
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CN105216993A (en) * | 2014-05-30 | 2016-01-06 | 上海市南洋模范中学 | A kind of water surface remote control formula imitates fish type aquatic organism detector |
GB2575057A (en) * | 2018-06-27 | 2020-01-01 | Secr Defence | Scanning system |
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US10328999B2 (en) * | 2014-01-10 | 2019-06-25 | Wt Industries, Llc | System for launch and recovery of remotely operated vehicles |
US10065715B2 (en) * | 2016-08-09 | 2018-09-04 | Li Fang | Flying underwater imager with multi-mode operation for locating and approaching underwater objects for imaging |
JP6813990B2 (en) * | 2016-08-24 | 2021-01-13 | 古河機械金属株式会社 | Submarine deposit mining and exploration methods, as well as submarine deposit mining and exploration bases, submarine deposit exploration equipment and fluorescent X-ray analyzers |
JP6796521B2 (en) * | 2017-03-14 | 2020-12-09 | 古河機械金属株式会社 | Component analyzer |
NO20171749A1 (en) | 2017-11-03 | 2019-05-06 | Ecotone As | Method and system for underwater hyperspectral imaging of seabed impacts, environmental state or environmental footprint |
WO2019094762A1 (en) * | 2017-11-09 | 2019-05-16 | Oceaneering International, Inc. | Inspection of grouting between a monopile and a transition piece |
US10908101B2 (en) | 2018-11-16 | 2021-02-02 | Core Laboratories Lp | System and method for analyzing subsurface core samples |
JP7304760B2 (en) * | 2019-07-23 | 2023-07-07 | 富士電機株式会社 | X-ray inspection system and X-ray inspection method |
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- 2013-07-10 EP EP13823799.5A patent/EP2877840A4/en not_active Withdrawn
- 2013-07-10 CN CN201380039645.XA patent/CN104487828A/en active Pending
- 2013-07-10 WO PCT/AU2013/000762 patent/WO2014015363A1/en active Application Filing
- 2013-07-10 AU AU2013296126A patent/AU2013296126A1/en not_active Abandoned
- 2013-07-10 JP JP2015523341A patent/JP2015524563A/en active Pending
- 2013-07-10 KR KR20157003300A patent/KR20150036447A/en not_active Application Discontinuation
- 2013-07-10 US US14/416,628 patent/US20150268178A1/en not_active Abandoned
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See also references of EP2877840A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105216993A (en) * | 2014-05-30 | 2016-01-06 | 上海市南洋模范中学 | A kind of water surface remote control formula imitates fish type aquatic organism detector |
GB2575057A (en) * | 2018-06-27 | 2020-01-01 | Secr Defence | Scanning system |
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AU2013296126A1 (en) | 2015-01-22 |
EP2877840A1 (en) | 2015-06-03 |
JP2015524563A (en) | 2015-08-24 |
EP2877840A4 (en) | 2016-03-16 |
US20150268178A1 (en) | 2015-09-24 |
CN104487828A (en) | 2015-04-01 |
KR20150036447A (en) | 2015-04-07 |
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