EP2562347B1 - Agencement de travail sous-marin et son procédé d'ancrage - Google Patents

Agencement de travail sous-marin et son procédé d'ancrage Download PDF

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Publication number
EP2562347B1
EP2562347B1 EP11006878.0A EP11006878A EP2562347B1 EP 2562347 B1 EP2562347 B1 EP 2562347B1 EP 11006878 A EP11006878 A EP 11006878A EP 2562347 B1 EP2562347 B1 EP 2562347B1
Authority
EP
European Patent Office
Prior art keywords
supporting foot
service platform
water body
underwater work
bed
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.)
Active
Application number
EP11006878.0A
Other languages
German (de)
English (en)
Other versions
EP2562347A1 (fr
Inventor
Stefan Michael Finkenzeller
Ulrich Wiedenmann
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
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to EP11006878.0A priority Critical patent/EP2562347B1/fr
Priority to US13/592,316 priority patent/US8911180B2/en
Priority to KR1020120092404A priority patent/KR101415752B1/ko
Priority to CN201210392777.8A priority patent/CN103015895B/zh
Publication of EP2562347A1 publication Critical patent/EP2562347A1/fr
Application granted granted Critical
Publication of EP2562347B1 publication Critical patent/EP2562347B1/fr
Active 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
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/801—Ground anchors driven by screwing
    • 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
    • E21B7/128—Underwater drilling from floating support with independent underwater anchored guide base

Definitions

  • the invention relates to an underwater working arrangement, in particular for producing a bore in a body of water, with a retractable platform and a plurality of support feet, which are adjustably mounted on the platform for placing on the body of water and by means of actuating cylinder with respect to the working platform and retractable, according to the preamble of claim 1.
  • the invention further relates to a method for anchoring an underwater working arrangement with a working platform in a river bottom, in which the working platform sunk in a body of water and is placed with several support feet on the body of water, wherein the support feet are adjusted by means of actuating cylinder, according to the preamble of the claim 10th
  • a generic prior art is for example from the EP 2 322 724 A1 or the GB 2 469190 A known.
  • a working platform is provided, which has adjustable hydraulic supports on its outer sides. With these hydraulic supports, the plate-shaped working platform can be aligned in the desired manner on the bottom of the water, with uneven floors for leveling the platform can be compensated. After completing the drilling, the platform is raised again together with the hydraulic supports.
  • the US 3,714,996 shows a device for core drilling on a seabed.
  • a core drill is thereby introduced from a platform into the seabed.
  • augers are provided for screwing into the seabed.
  • From the GB 2 448 358 A is a method for anchoring a skeletal bearing structure out, which serves for receiving and holding an underwater turbine.
  • the scaffold-like bearing structure on anchoring piles which are initially arranged in a retracted position.
  • the anchoring piles are screwed into the riverbed by means of lowerable and detachable rotary drives, whereby the bearing structure is anchored in the river bed.
  • the rotary actuators are then released from the bearing structure and lifted again.
  • the bearing structure and the foundation piles remain functional due to the river bottom.
  • the invention has for its object to provide an underwater work arrangement and a method for anchoring an underwater work arrangement, with which a particularly reliable positioning and anchoring of the underwater work arrangement can be achieved.
  • the underwater working arrangement according to the invention is characterized in that at least one support leg relative to the working platform is rotatably mounted and that a support foot associated rotary drive is provided, with which the support leg is driven to rotate in the body of water rotating.
  • a basic idea of the invention is to anchor the working platform better through the support feet in the water bottom.
  • the support feet are driven in rotation, so that they can be screwed or drilled into the river bottom.
  • the adjusting cylinder arranged on the support foot can exert an axial force in addition to the applied torque.
  • an overall stronger anchoring of the underwater work arrangement is achieved at the riverbed.
  • a single or individual support legs can be provided with such a rotary drive for screwing. All support feet are preferred a working platform, each with a rotary drive designed for such anchoring.
  • the screwing of the support leg in the ground is further improved according to a preferred embodiment of the invention in that a cutting device is provided, which is arranged on an underside of the at least one rotationally driven support leg.
  • the cutting device may in particular be an annular cutting shoe with cutting teeth.
  • the cutting teeth can be interchangeably arranged in cutting tooth holders.
  • the support leg has a support temple and that the cutting device is aligned in a ring and arranged on an underside of the support temple.
  • the support stamp can in particular have a horizontal or substantially horizontally arranged support plate, with which pressure forces can be transmitted from the working platform to the bottom of the water.
  • the cutting device is arranged in a ring, so that it can screw into the ground before the approximately horizontal support temple comes into contact with the ground.
  • a drill helix is arranged on the support foot.
  • the drill spiral can be arranged on the inside or preferably on the outside of a tubular part of the support leg. Due to the helical shape, an additional axial force is generated in the direction of the bottom by the drilling helix when the drive foot of the support base rotates. This promotes screwing in and improves anchoring.
  • the drill helix may be continuous with multiple turns or have only partially arranged partial turns.
  • a preferred embodiment of the invention further consists in that the support leg has a base element and an adjusting element, which is mounted non-rotatably and axially displaceably on the base element.
  • the adjusting element is arranged in the preferably sleeve-shaped or tubular base element and by means of the actuating cylinder axially displaceable relative thereto.
  • Base element and actuator are driven in rotation, with a non-rotatable connection via corresponding stops for torque transmission can be achieved.
  • the base member is rotatably mounted on the base stage and has a transmission element which is driven by a drive shaft of the rotary drive.
  • the rotary drive is firmly attached to the work platform.
  • the torque is transmitted to the transmission element, in particular a sprocket on the base element.
  • the base member is rotationally driven relative to the working platform.
  • the torque is transmitted from the base member to the axially movable actuator.
  • an advantageous embodiment of the invention is that the support foot is tubular and that within the support leg of the actuating cylinder is arranged.
  • the preferably hydraulic actuating cylinder is arranged protected within the support leg and it is achieved an overall compact construction of the support leg.
  • the introduction of the support leg in the water bottom can be done exclusively via the rotary drive.
  • a particularly preferred embodiment of the invention is that with the actuating cylinder during the rotational driving of the support foot, an axial force on the support foot can be applied. As a result, a particularly efficient drilling in of the support foot can also be achieved in a harder body of water.
  • a particularly protected arrangement is achieved according to the invention in that the support leg is surrounded by a receiving sleeve. In a retracted state, the support foot is arranged wholly or at least substantially in the surrounding receiving sleeve.
  • the receiving sleeve is preferably fixedly connected to the working platform.
  • the underwater work arrangement according to the invention can be used for a variety of purposes and work under water. It is particularly preferred according to the invention that on the platform a bracket for receiving and holding a drill drive with drill pipe is provided.
  • the work platform thus serves as a drilling assembly, wherein the working platform supports a drilling torque of the drill drive relative to the body of water.
  • Drilling arrangement is a reliable anchoring of the platform in the river bottom advantageous.
  • the method according to the invention is characterized in that at least one support foot is screwed into the ground by means of a rotary drive and thus the working platform is anchored in the body of water.
  • An advantageous embodiment of the method is that an axial force is applied to the support leg during the screwing by means of the adjusting cylinder. As a result, drilling in of the support leg can be improved.
  • a further advantageous variant of the method is given by the fact that an adjusting element of the support leg is introduced into the river bed up to an anchoring depth and that subsequently by adjusting the support leg by means of the actuating cylinder, the working platform is aligned with respect to the water bottom. So it is anchored in a first step, the support foot in the aquatic environment. After all support legs of the platform are introduced into the ground by screwing in and possibly additional impressions by means of the actuating cylinder, the adjusting cylinders are adjusted so that a desired leveling of the working platform, in particular a horizontal alignment is achieved.
  • the underwater working arrangement with the working platform and the support feet again removed from the water body and lifted.
  • the support legs are thus an integral part of the underwater working arrangement, wherein the support legs are rotatably and axially adjustable supported on the platform.
  • the support feet do not remain in the body of water but are lifted again with the work platform.
  • FIG. 1 an embodiment of an underwater work arrangement 10 according to the invention is shown, which has a constructed of steel beams working platform 12.
  • the work platform 12 includes a tower-like support 14 for receiving a guide tube, not shown, for a drill pipe with drill drive or a cylindrical foundation element, which can be introduced by means of an attachable drill drive in the ground.
  • the working platform 12 further comprises three radially outwardly projecting support arms 13, at the outer ends of a flange plate 18 a receiving sleeve 16 is fixed for each support leg 30.
  • At the top of each receiving sleeve 16 is a respective rotary drive 60 with two motors 61 for rotationally driving the support leg 30 is arranged.
  • the support leg 30 has a tubular base member 32, along the outside of a tubular actuator 34 is axially movable but rotatably mounted.
  • a tubular actuator 34 is axially movable but rotatably mounted.
  • a support temple 40 is provided with a disk-shaped base plate 42.
  • the support temple 40 comprises a cylinder section 41, on the underside of which an annular cutting device 46 with exchangeable cutting teeth 47 is mounted.
  • an annular cutting device 46 with exchangeable cutting teeth 47 is mounted on the outside of the cylinder section 41 and the annular cutter 46 .
  • a drive pinion 64 is rotationally driven via the rotary drive 60 with the two motors 61 via their respective drive shaft 62.
  • the drive pinion 64 are in meshing connection with a transmission element 36, which is connected as an outer ring gear fixed to the base member 32 of the support leg 30.
  • the base member 32 of the support leg 30 is set in rotary motion via the rotary drive 60.
  • the torque is transmitted to the axially extendable actuator 34 so that it can screw by means of the cutter 46 in a body of water. In the illustrated embodiment, this is done without additional axial force on the centrally disposed within the support leg 30 actuating cylinder 50th
  • the actuating cylinder 50 has a cylinder housing 52, which is connected via a bearing block 56 with the base member 32.
  • the actuating cylinder 50 is rotatably connected to the base member 32.
  • a piston 54 is extended axially.
  • a cylindrical attachment member 57 is arranged, which in the in Fig. 4 shown extended position on the base plate 42 of the pad 40 is placed.
  • the working platform 12 can now be raised relative to the water bottom and thus leveled.
  • the support leg 30 with its base element 32 is rotatably mounted relative to the receiving sleeve 16.
  • the receiving sleeve 16 is fixedly connected to the platform 12 via the flange plate 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Claims (12)

  1. Agencement de travail sous-marin, en particulier pour la fabrication d'un forage dans un fond marin, avec
    - une plateforme de travail (12) abaissable et
    - plusieurs pieds d'appui (30) qui sont montés de manière réglable sur la plateforme de travail (12) pour le placement sur le fond marin et sont rentrables et sortables au moyen d'un cylindre de réglage (50) par rapport à la plateforme de travail,
    - dans lequel pour l'orientation de la plateforme de travail (12) par rapport au fond marin le pied d'appui (30) est réglable au moyen du cylindre de réglage (50), caractérisé
    - en ce qu'au moins un pied d'appui (30) est monté de manière à pouvoir tourner par rapport à la plateforme de travail (12),
    - en ce que le pied d'appui (30) présente un élément de base (32) et un élément de réglage (34) qui est monté solidaire en rotation et mobile axialement sur l'élément de base (32), et
    - en ce qu'un entraînement rotatif (60) associé au pied d'appui (30) est prévu, avec lequel le pied d'appui (30) est entraîné en rotation pour le vissage de l'élément de réglage (34) jusqu'à une profondeur d'ancrage dans le fond marin.
  2. Agencement de travail sous-marin selon la revendication 1,
    caractérisé
    en ce qu'un dispositif de coupe (46) est prévu, lequel est agencé sur un côté inférieur d'au moins un pied d'appui (30) entraîné en rotation.
  3. Agencement de travail sous-marin selon la revendication 2,
    caractérisé
    en ce que le pied d'appui (30) présente un poinçon d'appui (40) et
    en ce que le dispositif de coupe (46) est réalisé en forme d'anneau et est agencé sur un côté inférieur du poinçon d'appui (40).
  4. Agencement de travail sous-marin selon l'une des revendications 1 à 3,
    caractérisé
    en ce qu'une hélice de forage (48) est agencée sur le pied d'appui (30).
  5. Agencement de travail sous-marin selon l'une des revendications 1 à 4,
    caractérisé
    en ce que l'élément de base (32) est monté de manière à pouvoir tourner sur la plateforme de travail (12) et présente un élément d'engrenage (36) qui est entraîné par un arbre d'entraînement (62) de l'entraînement rotatif (60).
  6. Agencement de travail sous-marin selon l'une des revendications 1 à 5,
    caractérisé
    en ce que le pied d'appui (30) est réalisé en forme de tube et
    en ce que le cylindre de réglage (50) est agencé dans le pied d'appui (30).
  7. Agencement de travail sous-marin selon l'une des revendications 1 à 6,
    caractérisé
    en ce qu'avec le cylindre de réglage (50) pendant l'entraînement rotatif du pied d'appui (30) une force axiale peut être appliquée sur le pied d'appui (30).
  8. Agencement de travail sous-marin selon l'une des revendications 1 à 7,
    caractérisé
    en ce que le pied d'appui (30) est entouré par une douille de réception (16).
  9. Agencement de travail sous-marin selon l'une des revendications 1 à 8,
    caractérisé
    en ce qu'un support (14) est prévu sur la plateforme de travail (12) pour la réception et le maintien d'un entraînement de forage avec des tiges de forage.
  10. Procédé d'ancrage d'un agencement de travail sous-marin (10) avec une plateforme de travail (12) dans un fond marin, pour lequel la plateforme de travail (12) est plongée dans une eau et est placée avec plusieurs pieds d'appui (30) sur le fond marin, dans lequel les pieds d'appui (30) sont réglés au moyen d'un cylindre de réglage (50),
    caractérisé
    en ce qu'au moins un pied d'appui (30) est vissé au moyen d'un entraînement rotatif (60) dans le fond et la plateforme de travail (12) est ancrée dans le fond marin de sorte qu'un élément de réglage (34) du pied d'appui (30) soit introduit au moyen de l'entraînement rotatif (60) jusqu'à une profondeur d'ancrage dans le fond marin et en ce qu'ensuite la plateforme de travail (12) soit orientée par réglage du pied d'appui (30) au moyen du cylindre de réglage (50) par rapport au fond marin.
  11. Procédé selon la revendication 10,
    caractérisé
    en ce que pendant le vissage au moyen du cylindre de réglage (50) une force axiale est appliquée sur le pied d'appui (30).
  12. Procédé selon l'une quelconque des revendications 10 et 11,
    caractérisé
    en ce que l'agencement de travail sous-marin (10) avec la plateforme de travail (12) et les pieds d'appui (30) est de nouveau retiré et levé du fond marin.
EP11006878.0A 2011-08-23 2011-08-23 Agencement de travail sous-marin et son procédé d'ancrage Active EP2562347B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11006878.0A EP2562347B1 (fr) 2011-08-23 2011-08-23 Agencement de travail sous-marin et son procédé d'ancrage
US13/592,316 US8911180B2 (en) 2011-08-23 2012-08-22 Underwater work assembly and method for anchoring thereof
KR1020120092404A KR101415752B1 (ko) 2011-08-23 2012-08-23 수중 작업 어셈블리 및 이를 고정하는 방법
CN201210392777.8A CN103015895B (zh) 2011-08-23 2012-08-23 水下工作组件以及用于锚定其的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11006878.0A EP2562347B1 (fr) 2011-08-23 2011-08-23 Agencement de travail sous-marin et son procédé d'ancrage

Publications (2)

Publication Number Publication Date
EP2562347A1 EP2562347A1 (fr) 2013-02-27
EP2562347B1 true EP2562347B1 (fr) 2019-05-22

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Family Applications (1)

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EP11006878.0A Active EP2562347B1 (fr) 2011-08-23 2011-08-23 Agencement de travail sous-marin et son procédé d'ancrage

Country Status (4)

Country Link
US (1) US8911180B2 (fr)
EP (1) EP2562347B1 (fr)
KR (1) KR101415752B1 (fr)
CN (1) CN103015895B (fr)

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WO2015108746A1 (fr) * 2014-01-16 2015-07-23 Conocophillips Company Ensemble appareil de forage sous-marin et procédé de fonctionnement de l'ensemble appareil de forage sous-marin
GB201407991D0 (en) * 2014-05-06 2014-06-18 Renewable Hydrocarbons Ltd Sub-sea piling
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
PT3330441T (pt) * 2016-12-02 2019-06-19 Bauer Maschinen Gmbh Dispositivo de redução de água a jusante e método para a sua redução
EP3592936B1 (fr) * 2017-03-10 2023-06-21 Ocean Infinity Operations Pte.Ltd. Dispositifs de forage et leurs procédés de fonctionnement
CN109505518B (zh) * 2017-10-28 2020-03-27 阜阳创启工艺品有限公司 一种海底石油钻孔车
CN117967194B (zh) * 2024-03-29 2024-05-31 大庆市大展科技有限公司 一种水下勘探装置

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GB1498347A (en) * 1975-09-11 1978-01-18 Fr D Entreprises Metalliques C Anchoring off-shore rigs or the like
FR2455654A1 (fr) * 1979-05-02 1980-11-28 Anchor Systems Systeme d'ancrage d'une structure mecanique, notamment un conduit, sur le fond marin

Also Published As

Publication number Publication date
EP2562347A1 (fr) 2013-02-27
CN103015895B (zh) 2016-04-20
CN103015895A (zh) 2013-04-03
KR101415752B1 (ko) 2014-07-08
US8911180B2 (en) 2014-12-16
KR20130023126A (ko) 2013-03-07
US20130223938A1 (en) 2013-08-29

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