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WO2009039667A1 - Systèmes pour exploiter l'énergie thermique au fond de l'océan - Google Patents

Systèmes pour exploiter l'énergie thermique au fond de l'océan Download PDF

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Publication number
WO2009039667A1
WO2009039667A1 PCT/CA2008/001732 CA2008001732W WO2009039667A1 WO 2009039667 A1 WO2009039667 A1 WO 2009039667A1 CA 2008001732 W CA2008001732 W CA 2008001732W WO 2009039667 A1 WO2009039667 A1 WO 2009039667A1
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WO
WIPO (PCT)
Prior art keywords
thermal energy
drilling
feed
feed tube
ocean
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CA2008/001732
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English (en)
Inventor
Stéphane LABELLE
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Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US12/733,921 priority Critical patent/US20100275596A1/en
Publication of WO2009039667A1 publication Critical patent/WO2009039667A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • E21B7/185—Drilling by liquid or gas jets, with or without entrained pellets underwater
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
    • F24T10/17—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using tubes closed at one end, i.e. return-type tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the present invention relates to systems and methods for exploiting thermal energy. More particularly, but not exclusively, the present invention relates to systems for exploiting the thermal energy at the bottom of the ocean.
  • An object of the present invention is to provide an apparatus for the exploitation of thermal energy at the bottom of the ocean.
  • An object of the present invention is to provide a method of exploiting thermal energy at the bottom of the ocean.
  • an apparatus for exploiting the thermal energy at the bottom of the ocean comprising:
  • thermo energy harnessing assembly comprising an in-feed tube an out-feed tube
  • a drilling assembly mounted to the thermal energy harnessing assembly, the drilling assembly comprising openings in fluid communication with the in- feed tube and a thermal energy capturing conduit in fluid communication with the out- feed tube,
  • a drilling assembly for drilling into a surface comprising:
  • a drilling device comprising an outer surface with openings leading to longitudinal bores for receiving high pressure fluid and spraying the high pressure fluid out of the openings so as to drill into the surface;
  • an actuator mounted to the drilling device for spinning the drilling device about a vertical axis when drilling into the surface.
  • an apparatus for exploiting the thermal energy at the bottom of the ocean comprising:
  • an in-feed tube having a top end and bottom end thereof for providing water to flow down from the in-feed top end to the in-feed bottom end; and [0021] an out-feed tube having a top end and a bottom end thereof for providing thermal energy to flow up from the out-feed bottom end to the out-feed top end; and
  • a heat conducting tube for being placed about a heat source at the bottom of the ocean, the heat conducting tube being in fluid communication with the in- feed tube and the out-feed tube, and having a serpentine configuration to slow down the flow of water therein so as to allow for the water to be sufficiently heated by the heat source thereby providing the thermal energy produced to rise into the out-feed tube.
  • an apparatus for exploiting the thermal energy at the bottom of the ocean comprising:
  • an in-feed tube having a top end and bottom end thereof for providing water to flow down from the in-feed top end to the in-feed bottom end;
  • an out-feed tube having a top end and a bottom end thereof for providing thermal energy to flow up from the out-feed bottom end to the out-feed top end;
  • a heat conducting tube for being placed about a heat source at the bottom of the ocean, the heat conducting tube being in fluid communication with the in- feed tube and the out-feed tube;
  • a layer of insulation for being placed above the heat conducting tube thereby maintaining heat between the heat source and the layer of insulation, [0028] wherein water from the in-feed tube is heated in the heat conducting tube to produce thermal energy which flows into the out-feed tube.
  • a tunnel reinforcement assembly for reinforcing a drilled tunnel within the bottom surface of the ocean; the tunnel reinforcement assembly comprising:
  • an outer sheet comprising an outer mid-section and a pair of outer arms extending therefrom defining respective free ends
  • an inner sheet comprising an inner mid-section and a pair of inner arms extending therefrom defining respective free ends
  • Figure 1 is a schematic illustration of an apparatus for exploiting the thermal energy at the bottom of the ocean in accordance wtth a non-restrictive illustrative embodiment of the present invention
  • Figure 2 is a schematic illustration of an apparatus for exploiting the thermal energy at the bottom of the ocean in accordance with another non-restrictive illustrative embodiment of the present invention
  • FIG. 3 is a schematic illustration of a portion of an apparatus for exploiting the thermal energy at the bottom of the ocean rn accordance with a further non-restrictive illustrative embodiment of the present invention
  • Figure 4 is a front elevational view of a thermal energy harnessing tube assembly in accordance with a non-restrictive illustrative embodiment of the present invention.
  • FIG. 5 is schematic illustration of a thermal energy harnessing tube assembly in accordance with another non-restrictive illustrative embodiment of the present invention.
  • Figure 6 is a schematic illustration of an apparatus for exploiting the thermal energy at the bottom of the ocean in accordance with yet another non-restrictive illustrative embodiment of the present invention
  • Figure 7 is a schematic illustration of an apparatus for exploiting the thermal energy at the bottom of the ocean in accordance with yet a further non- restnctive illustrative embodiment of the present invention
  • Figure 8 is a schematic illustration of an apparatus for exploiting the thermal energy at the bottom of the ocean in accordance with still another non- rest ⁇ ctive illustrative embodiment of the present invention
  • Figure 9 is a schematic illustration of the lower portion of an apparatus for exploiting the thermal energy at the bottom of the ocean in accordance with still a further non-restrictive illustrative embodiment of the present invention.
  • Figure 10 is a perspective view of the lower portion of the apparatus of
  • Figure 11 is underside view of the apparatus of Figure 9,
  • Figure 12 is another schematic illustration of the lower portion of the apparatus for exploiting the thermal energy at the bottom of the ocean of Figure 9
  • Figure 13 is a top plan view of a tunnel reinforcement sheet assembly in accordance with a non-restrictive illustrative embodiment of the present invention.
  • Figure 14 is a top plan view of the outer sheet of the tunnel reinforcement sheet assembly of Figure 13, and
  • Figure 15 is a top plan view of the inner sheet of the tunnel reinforcement sheet assembly of Figure 13
  • the present invention provides systems for producing electrical energy, hydrogen by harnessing the thermal energy at the bottom of the ocean The foregoing is accomplished while avoiding emitting pollutants as well as dispensing any additional energy since all energy produced is re-used within the system as will be further explained herein Depending on regional temperatures, vapor or mixtures of vapor and hot water for producing electricity, oxygen and hydrogen are available at the bottom of the ocean in large quantities Therefore the systems provided herein harness and exploit this thermal energy
  • a thermally insulated elongated tube that is to be lowered into the ocean by placing its bottom end at an advantageous distance from a heat source such as a volcano or a rift for example Like volcanoes, rifts are interesting heat sources due to their depths and abundance of heat
  • the aforementioned advantageous distance refers to a distance at which vapour having the highest possible temperature can be captured
  • the top end of the tube is positioned near the water surface Therefore, high temperature water or vapour enters the bottom end of the tube instead of mixing with the rest of the ocean water and as such being cooled down
  • the water or the vapour has a density which is lesser than that of the ocean water surrounding the tube thus causing the water or vapour inside the tube to naturally rise within the vertical pathway
  • This high pressure vapour or water is then used in order to actuate a turbine associated to a generator thereby producing electricity
  • the thermal energy harnessing tube includes an auxiliary heat conducting tube at its bottom end that is strategically placed near the hot water source
  • the auxiliary heat conducting tube includes a filter therein thereby allowing the water to be filtered while it is heated
  • a closed circuit system refers to a thermal energy harnessing tube assembly having a in-feed tube for bringing water or any other liquid down to the bottom of the ocean a heat conducting tube portion for heating up this water or liquid and an out-feed tube portion for returning the heated water iiqutd or gas to the surface of the ocean for exploitation of the harnessed thermal energy
  • the heat exchanger in a closed circuit provides for a more efficient system since the same water free of impurities is being used This allows to obtain a maximum heat exchange and to minimize the weight of the vapour rising within the vertical tube towards the ocean surface since it contains barely any impurities
  • the closed circuit system includes concentric tubes or a pair of side by side in feed and out-feed vertical tubes
  • water flows towards the heat source via an in-feed tube and then through at least one heat conducting tube positioned above a heat source such as a volcano or rift
  • the water flows upward into a thermally insulated out-feed tube, towards the ocean surface, in the form of rising hot water or vapour or mixtures thereof
  • this vapour when placed under pressure, is used to actuate a turbine- generator assembly for the production of electricity or for the electrolysis of water
  • the water in the out-feed tube rising towards the ocean surface is not vaporized but remains in a hot liquid state, its thermal energy is useful in boiling a coolant liquid thereby providing a coolant gas, as explained above
  • Rifts are planes within the earth's crust usually associated with large volcanoes such as Kilimanjaro for example Yet there are rifts within the bottom of the ocean whose thermal energy can be harnessed and used
  • this system includes placing an insulating material horizontally above the rift in order to keep the heat between the rift and the insulation and then positioning a heat conducting tube therebetween
  • the heat conducting tube includes an opening for siphoning water therein in a closed circuit system water is fed to the heat conducting tube
  • the water that ts fed into the heat conducting tube can be brought from any area of the ocean
  • clean water such as filtered ocean water that is not near the heat source can be used. Water outside the ocean can all be used.
  • the out-feed tube in which the water or vapour rises- is thermally insulated in order to maintain the rising water of vapour at a high temperature.
  • Figure 1 shows an assembly 10 for the exploitation of thermal energy at the bottom of the ocean.
  • the assembly 10 includes an in-feed tube 12 having an open bottom end 14, positioned above a heat source H at the bottom B of the ocean O, for siphoning hot water/vapor therein.
  • the top end 16 of the vertical in feed tube 12 is in fluid communication with a purifying system 18 via a conduit 20.
  • the purifying system 18 comprises a centrifuge for eliminating particles from the hot water/vapor before the hot water/vapor flows into the turbine 22 via conduit 24.
  • the hot water/vapor actuates turbine 22 which is associated with a generator 26, via conduit 28, for the production of electricity
  • Hot water/vapor from turbine 22 flows into a tube 30 positioned within a heat exchanger 32.
  • the heat exchanger 32 includes another tube 34 with a coolant gas which runs generally parallel to tube 30.
  • the hot water or vapour within tube 30 is cooled down and thereby condensed (when in the form of vapour) to flow within a reservoir 36 that contains substantially pure water.
  • the coolant gas within tube 34 is heated and flows into turbine 38 for actuation thereof.
  • Turbine 38 is associated with generator 40, via conduit 42, for the production of electricity.
  • the heated coolant gas flows from turbine 38 into tube 44 which is connected to a heat exchanger 46.
  • the heat exchanger 46 includes another tube 48 through which flows cold water. Therefore, the heated gas within tube 44 is cooled down and the cold water within tube 48 is heated Coolant gas is pumped towards turbine 38 and out of turbine 38 via a pump 50
  • FIG 2 there is shown an assembly 11 for the exploitation of thermal energy at the bottom of the ocean that is similarly constructed to assembly 10 as such, only the difference between assemblies 11 and 10 will be discussed herein for concision purposes only
  • Assembly 11 comprises a vertical tube 12 including at its bottom end
  • auxiliary heat conducting tube 52 having a serpentine (such as a helicoidal or spiral) configuration and including an open fee end 54 for receiving surrounding water therein
  • the water flows into the tube 52 via opening 54 and is heated withtn the heat conducting 52 by the heat source H (such as a rift or volcano)
  • Figure 3 shows the double heat exchanging portion 51 of an assembly
  • Assembly 13 includes a bottom heat exchanger 53A, including two parallel heat exchanging conduits 55I and 55Il which have hehcoidal portion within the heat exchanger 53A for slowing down the flow of fluid during heat exchange
  • the fluid from conduit 55Il flows to an electricity producing assembly E including a pump P a turbine T and a generator G
  • the electricity producing assembly E is in lfuid communication with heat exchanger 57 including a pair of heat exchanging conduits 59I and 59Il similarly constructed to conduits 55I and 55Il
  • Figure 4 shows a vertical co-cent ⁇ c tube assembly 60 having an external in-feed 62 and an internal out-feed tube 64
  • the external tube 62 brings water toward a loop 66 that is positioned above heat source H once the water is heated it rises within tube 64
  • Figure 5 shows a vertical tube assembly 70 having an in-feed tube 72 for bringing water toward a loop 74 positioned above a heat source to be heated and then to rise into an out-feed tube 76
  • Figure 6 shows a closed circuit system 80 comprising a thermal energy tube harnessing assembly 81 with an in-feed tube 82 that brings water into a heat conducting heiicoida! conduit 84 positioned above a heat source for heating thereof Once the water is vaporized it flows into an out-feed tube 86 that provides for the vapour therein to flow into an actuated turbine 88 associated with generator 90 for the production of electricity
  • Figure 7 shows an assembly 100 for the exploitation of thermal energy
  • Assembly 100 is a closed circuit system having a tube assembly 101 including tubes 102, 104 and 108
  • the present method provides for initially drilling a first depth level within the earth crust via conventional techniques and then continuing drilling as will be explained herein
  • the present method uses high liquid pressure such as water pressure to continue drilling into the earth at the bottom of the ocean
  • the water used can be clean filtered water, water external to the ocean or unfiltered ocean water and mixtures thereof
  • high water pressure is provided via water jets
  • the water jets are associated to an in-feed tube which feeds water toward these high powered water jets Hot water or vapour or mixtures thereof that are exposed via drilling are recuperated by an out-feed tube
  • Both of the foregoing tubes may comprise heat conducting portions along their lengths
  • the present method provides for drilling into the earth crust for many kilometres
  • abrasive material can be mixed with the water in the in-feed tube so that the water sprayed out of the water jets is more effective during drilling
  • Water or vapour rising into an out-feed tube towards the surface of the ocean usually includes particles that are caused by drilling which breaks the rock As such, this water or vapour is diverted into another reservoir which slows down its flow in order to allow the various debris, particles and minerals to be deposited
  • This reservoir can advantageously include a centrifuge
  • Figure 8 shows a tube assembly 200 including a drilling assembly 202 at is bottom end 204
  • the tube assembly 200 includes side by side in-feed and out- feed tubes 206 and 208 respectively
  • the drill assembly 202 includes a turbine 210 and a drilling device 212 Water flows downward into the in-feed tube 206 thereby actuating the turbine 210 which causes the drilling device 212 to spin
  • the drilling device 212 includes apertures (not shown) for shooting high pressure water therethrough which cuts into the rock R providing for the tube assembly 200 to move deeper into the earth at the bottom B of the ocean O
  • the drilling assembly 202 provides for creating a tunnel 214 within the bottom ocean surface B
  • the tube assembly 200 includes insulators 216 about the vertical tubes 206 and 208 for trapping heat between the area A defined by the tunnel 214 the bottom surface 218 of the tunnel 214 and the insulators 216 Hence area A heats the water within the bottom portion P of the tube assembly 200 providing for the heated water to naturally rise into out-feed tube 208 towards the ocean surface S
  • the top end 220 of the tube assembly 200 is connected to a platform base 222 which can comprise systems for pumping water into the tn-feed tube 206 thereby providing greater pressure force on turbine 210 and hence drilling device 212
  • the platform 222 can also include a va ⁇ ety of systems for using the vapour within the out- feed tube 208 for the production of electricity or for other uses known in the art of thermal energy exploitation
  • the top portion 224 of the tube assembly 200 can also be covered with thermal insulators 226
  • the tube assembly 302 is a co-centric double tube system including an external tube 304 which acts as in-feed tube for bringing water down towards the drilling assembly 300 and an internal out-feed tube 306 for bringing hot water, vapour or mixtures thereof upwards towards the ocean surface.
  • the tube assembly 302 also includes an auxiliary tube assembly 308.
  • Assembly 308 includes an auxiliary in-feed tube 310 and an auxiliary out-feed tube 312.
  • the auxiliary in-feed tube 310 brings water towards an actuation assembly 314 and the out-feed tube 312 retrieves water from this actuation assembly 314 bringing the water back towards the ocean surface.
  • the actuation assembly 314 acts on a drilling device 316 for causing it to spin about a vertical axis.
  • the actuation assembly 314 acts on a drilling device 316 for causing it to spin about a vertical axis.
  • a housing 318 having a turbine 320 in fluid communication with the auxiliary in-feed and out-feed tubes, 310 and 312 respectively Water actuates the turbine 320 which acts on a rod 322 mounted thereto and carrying a gear 324 at it free end 326.
  • the gear 324 acts on a circular pinion or toothed rack 328 mounted on the top end 330 of the drilling device 316.
  • the drilling device 316 is movably mounted to the housing 318 (via a bearing assembly for example) and thereby caused to spin when the gear 324 acts on the pinion 328.
  • the drilling device 316 has a tapered outer surface 332 ending at bottom end 334 which has an opening 336 that leads to a tunnel 338 which is contiguous with the out-feed tube 306 As will be described herein the tunnel acts as a thermal energy capturing conduit.
  • the drilling device 302 includes a plurality of aligned sets of holes 340 formed within longitudinal grooves 342 defining upwardly curved sidewalls 344 at each side of the aligned holes 340 Each of the holes 340 leads to respective longitudinal bores 346. Water coming down from the in-feed tube 306 descends with great pressure and shoots out of holes 340 in a generally straight line. Therefore, the aligned holes 340 and associated bores 346 are water jets which provtde for to cutting through the rock as the drilling device 302 is spun by the actuation assembly 314
  • the drilling device 316 also includes an auxiliary diagonally positioned bore 348 leading to an opening 350 in fluid communication with tunnel 338
  • the bore 350 is receives high pressure water from the in-feed tube 304 spraying water into the tunnel 308 via opening 350 thereby clearing the tunnel 338 of any debris or particles from the thermal energy pathway
  • the drilling device 316 includes a short conduit 352 positioned near the top end 330 thereof for and including an opening 354 angularly directed thereby receiving high pressure water from the in-feed tube 304 and providing for this water to flow along the tapered outer surface 332 cleaning any rock or particles that may form on the surface 332 during drilling
  • the pressure wtthin the water jets (the bores and their associated opening and holes) is much greater than the external pressure surrounding the drilling assembly 302 hence providing for the water shooting out of these water jets to have a high impact with the earth crust that is being drilled Furthermore, the pressure within the tunnel 338 is much less than the external pressure thereby providing for hot water, vapor or mixtures thereof to naturally rise therein and into the out-feed tube 306 [0097] REiNFORCEMENT SHEETS FOR THE DRILLED TUNNEL
  • a tunnel reinforcement assembly made of at least two associated sheets for being compressed together when inserted within a drilled tunnel and allowed to expand once set within the tunnel against the tunnel's internal wall surface
  • FIGS 13 to 15 show tunnel reinforcement assembly 400, in accordance with an illustrative embodiment of the present invention, comprising a pair of associated inner and outer sheets 402 and 404
  • Inner sheet 402 includes a thicker mid-section 406 with a pair or curved arms 408A and 408B extending therefrom and having spaced apart free ends 410A and 410B defining a space 412 therebetween
  • Outer sheet 404 inciudes a thicker mid-section 414 with a pair or curved arms 416A and 416B extending therefrom and having spaced apart free ends 418A and 418B defining a space 420 therebetween
  • Arms 410A 410B, 418A and 418B are flexible and resilient structures Arms 408A and 408B are pressed inwardly and inserted via opening 420 into outer sheet 404 The arms 408A and 408B open up and press against arms 416A and 416B respectively
  • the free ends 410A and 410B respectively abut shoulders 422A and 422B formed by the thicker mid-section 414
  • the free ends 418A and 418B respectively abut shoulders 424A and 424B formed by the thicker mid
  • thermal energy herein includes hydrothermal energy

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

L'invention concerne un appareil pour exploiter l'énergie thermique au fond de l'océan. Ledit appareil comprend un ensemble de captage d'énergie thermique et un ensemble de forage monté sur celui-ci. L'ensemble de captage d'énergie thermique comprend un tube d'entrée et des tubes de sortie. L'ensemble de forage comporte des ouvertures en communication fluidique avec le tube d'entrée et un conduit de captage d'énergie thermique en communication fluidique avec le tube de sortie. Lorsque l'ensemble de forage vient en contact avec une surface de fond de l'océan et que du fluide est introduit dans le tube d'entrée, le fluide s'écoule en direction de l'ensemble de forage et sort des ouvertures à une pression telle qu'il fore dans la surface de fond de l'océan, permettant à de l'énergie thermique de s'échapper de celle-ci et de s'écouler dans le tube de sortie par l'intermédiaire du conduit de captage d'énergie thermique.
PCT/CA2008/001732 2007-09-28 2008-09-29 Systèmes pour exploiter l'énergie thermique au fond de l'océan Ceased WO2009039667A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/733,921 US20100275596A1 (en) 2007-09-28 2008-09-29 System for exploiting the thermal energy at the bottom of the ocean

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,609,018 2007-09-28
CA002609018A CA2609018A1 (fr) 2007-09-28 2007-09-28 System to improve the exploitation of high-energy geothermy

Publications (1)

Publication Number Publication Date
WO2009039667A1 true WO2009039667A1 (fr) 2009-04-02

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US20110048005A1 (en) * 2009-08-26 2011-03-03 Mchargue Timothy Reed Loop geothermal system
CA2734638A1 (fr) * 2011-03-16 2012-09-16 James Russell Baird Systeme de conversion de l'energie thermique des oceans par transfert de chaleur a contre-courant
WO2013004277A1 (fr) * 2011-07-01 2013-01-10 Statoil Petroleum As Échangeur de chaleur sous-marin et procédé de régulation de température
JP6022335B2 (ja) * 2012-12-13 2016-11-09 株式会社日立製作所 海洋深層水利用空調システム
CN114412362B (zh) * 2022-03-28 2022-06-07 山东兆鑫石油工具有限公司 一种具有过滤功能的旋转式水力喷射器

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