EP2562310A1 - Agencement de forage sous-marin et procédé d'exécution d'un forage au fond de l'eau - Google Patents

Agencement de forage sous-marin et procédé d'exécution d'un forage au fond de l'eau Download PDF

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Publication number
EP2562310A1
EP2562310A1 EP11006879A EP11006879A EP2562310A1 EP 2562310 A1 EP2562310 A1 EP 2562310A1 EP 11006879 A EP11006879 A EP 11006879A EP 11006879 A EP11006879 A EP 11006879A EP 2562310 A1 EP2562310 A1 EP 2562310A1
Authority
EP
European Patent Office
Prior art keywords
guide tube
water
drilling assembly
underwater drilling
fluid
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.)
Granted
Application number
EP11006879A
Other languages
German (de)
English (en)
Other versions
EP2562310B1 (fr
Inventor
Thomas Prof. Bauer
Stefan Michael Finkenzeller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44508623&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2562310(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to EP11006879.8A priority Critical patent/EP2562310B1/fr
Priority to US13/592,313 priority patent/US8757289B2/en
Priority to KR1020120092668A priority patent/KR101412039B1/ko
Priority to CN2012103927509A priority patent/CN103015896A/zh
Publication of EP2562310A1 publication Critical patent/EP2562310A1/fr
Application granted granted Critical
Publication of EP2562310B1 publication Critical patent/EP2562310B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B7/12—Underwater drilling
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/04—Guide devices; Guide frames
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/24—Placing by using fluid jets
    • 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
    • E21B7/12—Underwater drilling
    • E21B7/124—Underwater drilling with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors

Definitions

  • the invention relates to an underwater drilling assembly and a method for creating a hole in a riverbed.
  • Such a drilling arrangement can be used, for example, in the construction of foundations for offshore wind turbines or underwater turbines for tidal power plants.
  • a drilling method is known in which first a working platform is placed on the bottom of the water. On the platform a guide tube with a receiving hopper is attached. A drilling tool is inserted into the guide tube and lowered to carry out the drilling on the river bottom.
  • the invention has for its object to provide an underwater drilling assembly and a method for creating a hole in a body of water, in which the hole can be created very precise position and safe.
  • the underwater drilling assembly comprises a retractable platform for placing on the bottom of the water, a guide tube which is rotatably mounted on the platform and axially movable and adjustable, a drill string with drill head, which is arranged in the guide tube and driven by a drill drive and a guide tube drive which is arranged for introducing the guide tube into the body of water at the working platform, wherein the guide tube for reducing the friction, which occurs during introduction of the guide tube between the outer lateral surface of the guide tube and the soil material of the water body has a Gleitunterstützungs adopted.
  • a basic idea of the invention is to introduce the guide tube at least partially into the water bottom.
  • a separate guide tube drive is provided, with which the guide tube can be screwed into the riverbed and / or pressed.
  • the introduction can also be done by vertical vibrations or shock movements. It is possible such a tracking of the guide tube in the river bottom, so that the drilling tool is longer and better out.
  • the slide support device is doing the function to facilitate an accurate introduction of the guide tube.
  • the risk is reduced that due to the friction between the outer lateral surface of the guide tube and the body of water, the working platform is rotated relative to the guide tube. The force that must be expended on the support feet of the work platform for torque support is thus reduced.
  • the anchoring of the working platform with the riverbed is improved.
  • the slide support device comprises at least one feed device for supplying a friction-reducing fluid in a region of the outer circumferential surface of the guide tube.
  • the feeder has the function, the friction-reducing used Introduce fluid directly into the required area between the outer surface of the guide tube and the soil material of the water body.
  • the feed device can be designed, for example, as a tubular conduit system which runs along the guide tube.
  • suitable fluids can be used, such as oily liquids, gases or non-Newtonian liquids such as bentonite.
  • the supply device has at least one supply line, which is arranged within the guide tube, and at least one outlet opening in the wall of the guide tube.
  • the supply line is protected by the wall of the guide tube.
  • the supply line can run in the interior of the guide tube or be integrated in grooves of the guide tube.
  • the at least one supply line is connected to one or more outlet openings, via which the fluid can be discharged approximately radially into the area of the outer jacket surface.
  • the outlet openings may extend over the entire region of the guide tube, but preferably the outlet openings are arranged substantially in the lower region of the guide tube.
  • the outlet openings may also be designed as nozzles or the like in order to eject the friction-reducing fluid under pressure.
  • the outlet openings need not be connected directly to the supply line, but may also be connected to the supply line via passageways extending radially through the guide tube to the outside.
  • a fluid container is provided, which is connected to the at least one supply line.
  • the fluid container may be provided, for example, on the work platform or in the upper region of the guide tube or also be stationed on a supply ship from the work platform.
  • the fluid container could also hold several separate chambers which are filled with different fluids, which are introduced into the supply line as needed.
  • At least one pump is provided, with which fluid can be conveyed from the fluid container to the outlet opening.
  • the at least one pump the required pressure can be generated with which the fluid is ejected from the outlet openings.
  • a pump for example, positive displacement pumps or flow pumps can be used.
  • the guide tube has a cutting device in the region of its lower edge.
  • the cutter has the function of facilitating the introduction of the guide tube in the bottom of the water.
  • the cutting device is designed as a ring gear with a plurality of cutting teeth, which cut into the ground at a left or during a clockwise rotation of the guide tube.
  • At least one outlet opening for fluid is arranged in the vicinity of the cutting device.
  • the fluid is discharged at the same time at the lower edge of the guide tube, whereby the friction-reducing effect is optimally utilized.
  • the outlet openings may be arranged laterally on the guide tube and point radially outwards or else be arranged at the lower end above or between the cutting teeth.
  • the sliding support device comprises a sliding coating, which is arranged on an outer side of the guide tube.
  • the outside could be provided with a teflon coating, thereby reducing the resulting friction between the bottom material and the rotating outside of the guide tube.
  • Other coatings such as friction reducing metal alloys or carbon fiber reinforced plastics can also be used.
  • This passive sliding support can be combined in particular with the addition of friction-reducing fluid in order to achieve a high friction-reducing effect.
  • the object mentioned at the outset is furthermore achieved by a method for creating a bore in a body of water, in particular with an underwater drilling arrangement, in which a working platform is sunk with a guide tube and placed on the bottom of the water, wherein a drill rod in the guide tube arranged with drill head and axially guided, wherein by means of a drill drive, the drill pipe is rotationally driven, the guide tube is introduced into the body of water, and by means of a guide tube arranged on the sliding friction, the friction during insertion of the guide tube between the outer surface of the guide tube and the Soil material of the water body occurs, is reduced.
  • the guide tube is screwed by means of the guide tube drive into the body of the river and / or pressed axially.
  • the introduction of the guide tube can be supported by vibrations induced by the guide tube drive parallel to the longitudinal direction of the guide tube.
  • the direction of rotation of the guide tube is adapted to the operation of the cutting device and can be rotated both clockwise and counterclockwise over the guide drive.
  • the sliding support device comprises a feed device with which a fluid is introduced in a region between the outer lateral surface of the guide tube and a surrounding soil material to reduce the friction.
  • Bentonite is preferably used as the fluid, which hardens after the drilling operation and can thus be used as support fluid of the borehole created, which facilitates the subsequent pile foundation.
  • FIG. 1 A basic structure of an underwater drilling arrangement 10 according to the invention for creating a bore in a river bottom is in Fig. 1 shown.
  • the work platform 30 has a base body 20 to which a plurality of support struts 22 are fixed, on which support feet 24 are mounted for placement on the river bottom. To create a hole, the platform 30 is lowered to the bottom of the river and then placed with the support legs 24 on the bottom of the water.
  • the support feet 24 or Aufstellfterrorisme are made adjustable to compensate for vertical bumps on the water bottom, whereby the working platform 30 can be brought to the desired drilling position.
  • a guide tube In the middle of the base body 20, an exception 32 is formed, in which a guide tube is enclosed.
  • the guide tube 40 is rotatable relative to the base body 20 and axially movable.
  • a guide drive 36 is arranged in the lower region of the base body.
  • the guide drive 36 comprises a hydraulically tensionable collet 37, which is rotatable by means of a horizontal cylinder 38.
  • a vertical cylinder 39 on the guide tube 40 and a vertical force can be applied.
  • an insertion funnel 47 is arranged, which facilitates the capture and the subsequent insertion of a drilling tool 44, which is drained via winches from a supply vessel, not shown, facilitates.
  • the drilling tool 44 comprises a cylindrical drill pipe 45, at the lower end of a drill head 50 is attached.
  • the work platform 30 is connected via not shown cable arrangements with the supply ship and is supplied with energy.
  • Fig. 2 shows a more detailed representation of the guide tube 40 with inserted drilling tool 44.
  • a drill head 50 for working rock or rock material is arranged at the lower end of the drilling tool 44.
  • Above the drill head 50 are attached to the drill pipe 45 Tarlastplatten 89, which increase the load on the drill head 50 by their weights.
  • the drill string is moved axially within the guide tube 40 on guide rails 58 provided thereon, which are arranged on the inner lateral surface of the guide tube 40.
  • the guide tube 40 is subsequently introduced into the body of the water.
  • the guide tube 40 is rotated by means of the guide drive 36 relative to the base body 20 of the working platform 30 in rotation, wherein the attached to the lower edge of the guide tube 40 cutter 82 rotates into the ground.
  • the friction that occurs between the outer surface of the already located in the bottom portion of the guide tube and the soil material is reduced by a Gleitunterstützungs adopted 60 by supplying bentonite.
  • the area of the slide assist device 60 in FIG Fig. 2 is in Fig. 3 shown enlarged again.
  • the diameter of the guide tube 40 is reduced in the lower guide tube portion 72, whereby a substantially rectangular recess 73 is formed.
  • the guide tube 40 has a downwardly directed wall opening 74, on which an outlet opening 75 of a feed device 65 is arranged.
  • the outlet opening 75 is arranged in the vicinity of the cutting device 82.
  • the outlet port 75 is connected to the feeder 65, whereby the bentonite is conveyed via a supply line 70 from a fluid container 68 by means of a pump 78.
  • the supply line 70 is attached to the inside of the wall 65 of the guide tube 40.
  • the bentonite serves as a lubricant in order to reduce the friction in the region of the outer lateral surface 54. Due to the reduced frictional force and the force acting on the torque support of the guide tube 40 to the mounted on the base 20 support legs 24 is reduced. As a result, the guide tube 40 can be introduced deeper into the bottom of the water without the entire working platform 90 rotating because of the torque support.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
EP11006879.8A 2011-08-23 2011-08-23 Agencement de forage sous-marin et procédé d'exécution d'un forage au fond de l'eau Revoked EP2562310B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11006879.8A EP2562310B1 (fr) 2011-08-23 2011-08-23 Agencement de forage sous-marin et procédé d'exécution d'un forage au fond de l'eau
US13/592,313 US8757289B2 (en) 2011-08-23 2012-08-22 Underwater drilling arrangement and method for making a bore in a bed of a water body
KR1020120092668A KR101412039B1 (ko) 2011-08-23 2012-08-23 수중 드릴링 장치 및 해저면에서 시추공을 형성하는 방법
CN2012103927509A CN103015896A (zh) 2011-08-23 2012-08-23 用于在水体的基床上钻孔的水下钻探装置和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11006879.8A EP2562310B1 (fr) 2011-08-23 2011-08-23 Agencement de forage sous-marin et procédé d'exécution d'un forage au fond de l'eau

Publications (2)

Publication Number Publication Date
EP2562310A1 true EP2562310A1 (fr) 2013-02-27
EP2562310B1 EP2562310B1 (fr) 2016-07-20

Family

ID=44508623

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11006879.8A Revoked EP2562310B1 (fr) 2011-08-23 2011-08-23 Agencement de forage sous-marin et procédé d'exécution d'un forage au fond de l'eau

Country Status (4)

Country Link
US (1) US8757289B2 (fr)
EP (1) EP2562310B1 (fr)
KR (1) KR101412039B1 (fr)
CN (1) CN103015896A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017106275U1 (de) 2017-10-17 2017-11-06 Herrenknecht Ag Unterwasserführungsvorrichtung zum Einsatz beim Erstellen eines Unterwasserfundaments eines Bauwerks
EP3333324A1 (fr) * 2014-04-08 2018-06-13 Herrenknecht AG System et procèdé de fabrication d'une fondation pour un ouvrage situé dans l'eau
CN111594049A (zh) * 2020-06-08 2020-08-28 济南职业学院 钻探自动化控制系统及钻探方法

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MX342744B (es) * 2010-06-30 2016-10-10 Marl Tech Inc * Sistema de perforacion bajo el agua que se puede operar en forma remota y metodo de perforacion.
EP2562347B1 (fr) * 2011-08-23 2019-05-22 BAUER Maschinen GmbH Agencement de travail sous-marin et son procédé d'ancrage
DK2837743T3 (en) * 2013-08-14 2016-02-29 Bauer Spezialtiefbau Method and apparatus for making a foundation element in the soil
NL2012723B1 (en) * 2014-04-30 2016-07-18 Fugro Eng B V Offshore drilling installation and method for offshore drilling.
GB201407991D0 (en) 2014-05-06 2014-06-18 Renewable Hydrocarbons Ltd Sub-sea piling
CA2996894A1 (fr) * 2015-08-31 2017-03-09 Ihc Marine And Mineral Projects (Proprietary) Limited Generateur de vibrations pour une installation de forage, installation de forage sous-marine et systeme de forage sous-marin
CN106351590B (zh) * 2016-09-30 2019-01-08 宁波介量机器人技术有限公司 一种用于深海取样的钻探机器人支架
WO2018162988A2 (fr) * 2017-03-10 2018-09-13 Cellula Robotics, Ltd. Dispositifs de forage et leurs procédés de fonctionnement
CN106872211B (zh) * 2017-03-31 2023-12-15 派格水下技术(广州)有限公司 基于远程控制潜水器的取芯系统
AU2019274562A1 (en) * 2018-05-24 2021-02-25 Benthic Usa Llc Dual rotary elevating geotechnical drill
CN108979560B (zh) * 2018-09-10 2023-07-04 中国石油大学(北京) 用于深水钻井水合物声波共振分解的隔水管短节
ES2888924A1 (es) * 2020-06-29 2022-01-10 Geociencias Y Exploraciones Marinas S L Máquina y procedimiento para sondeos submarinos
CN114278223B (zh) * 2021-12-31 2023-07-07 中国石油大学(北京) 一种用于深水天然气水合物开采的表层建井装置

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GB1506388A (en) * 1975-05-23 1978-04-05 Lilley Waddington Ltd Excavation of bore holes
DE3515276A1 (de) * 1985-04-27 1986-10-30 Otto Alfred Dr. 6600 Saarbrücken Becker Bohr-gestaenge mit bohr-meisel
GB2469190A (en) 2009-04-01 2010-10-06 Marine Current Turbines Ltd Underwater installation of columns or piles
EP2322724A1 (fr) 2009-11-17 2011-05-18 BAUER Maschinen GmbH Installation de forage d'eau souterraine et procédé d'entrée d'un élément de fondation cylindrique au fond de l'eau

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3333324A1 (fr) * 2014-04-08 2018-06-13 Herrenknecht AG System et procèdé de fabrication d'une fondation pour un ouvrage situé dans l'eau
DE202017106275U1 (de) 2017-10-17 2017-11-06 Herrenknecht Ag Unterwasserführungsvorrichtung zum Einsatz beim Erstellen eines Unterwasserfundaments eines Bauwerks
CN111594049A (zh) * 2020-06-08 2020-08-28 济南职业学院 钻探自动化控制系统及钻探方法
CN111594049B (zh) * 2020-06-08 2022-03-08 济南职业学院 钻探自动化控制系统及钻探方法

Also Published As

Publication number Publication date
KR20130023137A (ko) 2013-03-07
EP2562310B1 (fr) 2016-07-20
US20130220699A1 (en) 2013-08-29
US8757289B2 (en) 2014-06-24
CN103015896A (zh) 2013-04-03
KR101412039B1 (ko) 2014-06-26

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