WO2012114065A1 - Appareil de déploiement et de récupération d'une charge utile - Google Patents

Appareil de déploiement et de récupération d'une charge utile Download PDF

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Publication number
WO2012114065A1
WO2012114065A1 PCT/GB2012/000172 GB2012000172W WO2012114065A1 WO 2012114065 A1 WO2012114065 A1 WO 2012114065A1 GB 2012000172 W GB2012000172 W GB 2012000172W WO 2012114065 A1 WO2012114065 A1 WO 2012114065A1
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WO
WIPO (PCT)
Prior art keywords
lifting apparatus
payload
lifting
assembly
arrangement
Prior art date
Application number
PCT/GB2012/000172
Other languages
English (en)
Inventor
Joseph Edmund Alexis FITZGERALD
Simon Turner
Leon ZEEGERS
Original Assignee
Ax-S Technology Ltd
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 Ax-S Technology Ltd filed Critical Ax-S Technology Ltd
Publication of WO2012114065A1 publication Critical patent/WO2012114065A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B66C13/14—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices to load-engaging elements or motors associated therewith
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/04—Manipulators for underwater operations, e.g. temporarily connected to well heads

Definitions

  • the present invention relates to a lifting apparatus for use in the deployment and retrieval of a payload, particularly, though not exclusively, for use in deploying and retrieving a payload through a body of water.
  • ROVs remotely operated vehicles
  • a lifting apparatus configured to interconnect a lifting member to a payload comprising: a lifting member connection assembly for permitting a mechanical connection to be established between the lifting apparatus and a lifting member;
  • a payload connection assembly for permitting a mechanical connection to be established between the lifting apparatus and a payload
  • an interface assembly configured to releasably engage a supported payload to permit communication between the lifting apparatus and the supported payload.
  • Communication between the lifting apparatus and the supported payload may comprise fluid communication, electrical communication, optical communication, electromagnetic communication, acoustic communication or the like.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of power from the lifting apparatus to the supported payload.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of power from the supported payload to the lifting apparatus.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of information from the lifting apparatus to the supported payload.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of information from the supported payload to the lifting apparatus.
  • the lifting apparatus may be used to provide a mechanical connection between a lifting member and a payload, and at the same time permit the exchange of power and/or information between the lifting apparatus and the payload.
  • a lifting apparatus may be useful for lifting and for communicating with a payload in a body of water.
  • Such a lifting apparatus may be particularly useful for communicating with a subsea payload and/or with a subsea structure such as a subsea intervention system which is mounted on a subsea wellhead.
  • the lifting apparatus may comprise a structural arrangement comprising a body, frame or the like.
  • the lifting member connection assembly, the payload connection assembly and the interface assembly may be connected together via the structural arrangement.
  • the structural arrangement may be formed of a plurality of structural tubulars secured together, for example by welding, bolting or the like.
  • the lifting apparatus may be configured such that a centre of gravity of the lifting apparatus is in fine with a geometric centre of the lifting apparatus.
  • the lifting apparatus may be configured such that a centre of gravity of the lifting apparatus is in line with the lifting member connection assembly. Such an arrangement may ensure that the centre of gravity of the lifting apparatus is in line with a lifting member during a lifting operation. This may serve to avoid tilting or pitching of the lifting apparatus with respect to the lifting member during a lifting operation.
  • the lifting apparatus may comprise a guidance feature defined on a lower side thereof.
  • the lifting apparatus may comprise a structural arrangement that defines a guidance feature on a lower side thereof.
  • Such a guidance feature may be configured to inter-engage a complementary guidance feature formed on an upper side of a payload.
  • a complementary guidance feature formed on an upper side of a payload.
  • the lifting apparatus may have a guidance feature defined on an upper side thereof.
  • the lifting apparatus may comprise a structural arrangement that defines a guidance feature on an upper side thereof.
  • Such a guidance feature may be configured to inter-engage a complementary guidance feature formed on a lower side of a further lifting apparatus. This may be useful for recovering the lifting apparatus using the further lifting apparatus, for example, in the event of failure of a lifting member used to support the lifting apparatus.
  • the lifting apparatus may have a recess defined on a lower side thereof. Such a recess may be configured to inter-engage a complementary projection formed on an upper side of a payload.
  • the lifting apparatus may have a projection defined on an upper side thereof. Such a projection may be configured to inter-engage a complementary recess formed on a lower side of a further lifting apparatus.
  • the lifting apparatus may have a generally pyramid-shaped recess defined on a lower side thereof. Such a generally pyramid-shaped recess may be configured to inter-engage a complementary generally pyramid-shaped projection formed on an upper side of a payload.
  • the lifting apparatus may have a generally pyramid-shaped projection defined on an upper side thereof.
  • a generally pyramid-shaped projection may be configured to inter-engage a complementary generally pyramid-shaped recess formed on a lower side of a further lifting apparatus.
  • Such an arrangement of such generally pyramid-shaped features may be referred to as a pyramid-up guidance (PUG) system.
  • PAG pyramid-up guidance
  • the lifting member connection assembly may be configured for connection to a lifting member comprising a wire, a wire assembly, such as wireline, cable, chain, rope or the like or a tubular member, such as coiled tubing or the like.
  • the lifting member connection assembly may be configured to provide pivoting, swivelling, tilting or pitching of the lifting apparatus relative to a lifting member supporting the lifting apparatus.
  • the lifting member connection assembly may comprise a shackle and pin arrangement, or a swivel or pivot arrangement or a ball joint or the like.
  • the payload connection assembly may comprise a hook arrangement, cleat arrangement or the like.
  • the payload connection assembly may be configured to provide a releasable connection between the lifting apparatus and a payload.
  • the payload connection assembly may comprise a latch system.
  • the payload connection assembly may comprise a gripping arrangement configured to grip a payload.
  • the payload connection assembly may comprise a ball grab gripping arrangement comprising a male member having a plurality of apertures formed therein and a corresponding plurality of balls. Each ball may be movable between a retracted position and a projecting position in which at least a portion of the ball protrudes through a corresponding aperture.
  • the bail grab gripping arrangement may be configured such that, when the balls are configured in the retracted position, the ball grab gripping arrangement may be inserted into a complementary female feature of the payload. Furthermore, when each ball is configured in the projecting position, each ball may protrude through a corresponding aperture of the male member to engage an internal surface of the female feature of the payload.
  • Each ball may be movable between a retracted position and a projecting position under the action of an actuator such as a piston that may extend within the male member.
  • the piston may, for example, be actuated hydraulically or electrically or in any other way.
  • the payload connection assembly may be pivotable with respect to the lifting apparatus. Such an arrangement may allow alignment of the payload connection assembly with a complementary feature of a payload during alignment of the lifting apparatus and the payload to aid or allow a connection between the lifting apparatus and the payload.
  • the payload connection assembly may be configured to provide a mechanical connection between an underside of the lifting apparatus and a payload.
  • the payload connection assembly may be configured to provide a plurality of mechanical connections between the lifting apparatus and a payload.
  • the payload connection assembly may be configured to provide a mechanical connection between the lifting apparatus and a payload at or adjacent to one or more corners of the lifting apparatus.
  • the payload connection assembly may be configured to be retractable within a portion of the structural arrangement.
  • the payload connection assembly may comprise a plurality of gripping arrangements, each gripping arrangement being retractable within a respective portion of the structural arrangement.
  • the payload connection assembly may comprise four gripping arrangements, each gripping arrangement being retractable within respective vertical structural members of the structural arrangement arranged at or adjacent to respective corners of a quadrilateral.
  • the lifting apparatus may comprise a damping arrangement configured for damping engagement between the lifting apparatus and a payload.
  • the lifting apparatus may comprise one or more dampers such as hydraulic dampers.
  • the lifting apparatus may comprise one or more dampers located at or adjacent to respective vertical structural members of the structural arrangement.
  • the interface assembly may be configured to permit communication between the lifting apparatus and a payload in one or both directions.
  • the interface assembly may be configured to permit communication of power between the lifting apparatus and a payload.
  • the interface assembly may be configured to permit an exchange of at least one of electrical power, mechanical power, a fluid such as a hydraulic fluid, a compressed gas, a fuel, an oxidant such as oxygen or the like, a chemical agent or a reactant or the like between the lifting apparatus and a payload.
  • a fluid such as a hydraulic fluid, a compressed gas, a fuel, an oxidant such as oxygen or the like, a chemical agent or a reactant or the like between the lifting apparatus and a payload.
  • the interface assembly may be configured to permit communication of information between the lifting apparatus and a payload.
  • the interface assembly may be configured to permit an exchange of information between the lifting apparatus and a payload using electromagnetic, electrical, optical, hydraulic, acoustic and/or sonar signals and/or any other type of signals.
  • the interface assembly may be rigidly mounted on the lifting apparatus. In such an arrangement, the interface assembly may engage a payload during connection of the payload and the payload connection assembly.
  • the interface assembly may be moveably mounted on the lifting apparatus. In such an arrangement, the interface assembly may be configured to engage a payload after connection of the payload and the payload connecting assembly. This may reduce the risk of damage to the interface assembly and/or to a payload during connection of the payload and the payload connection assembly.
  • the lifting apparatus may comprise an interface assembly actuator configured to manipulate the interface assembly.
  • the interface assembly actuator may comprise a hydraulic actuator, such as a piston assembly.
  • the interface assembly actuator may comprise an electrical actuator, pneumatic actuator, mechanical actuator or the like.
  • the interface assembly may comprise one or more connectors configured to be connected to corresponding connectors provided on a payload.
  • the interface assembly may comprise at least one of an electrical connector, an optical connector, a hydraulic connector or the like.
  • the interface assembly may comprise one or more stab-in type connectors.
  • the interface assembly may comprise one or more connectors each connector having first and second connector parts, wherein the first and second connector parts are connected together with a predetermined connectivity.
  • the second connector part may be configured for engagement with a complementary connector part of a corresponding payload connector.
  • Each connector may further comprise a bypass connector part connected to a corresponding second connector part with the same predetermined connectivity as the first and second connector parts.
  • Each bypass connector part may be configured to be complementary to a corresponding second connector part. In effect, this means that each bypass connector part may be configured to be identical to a connector part of a corresponding payload connector with which the second connector part is configured to engage.
  • Such an arrangement may allow a connector part of an interface assembly of a further identical lifting apparatus to releasably engage a bypass connector part of the interface assembly of the lifting apparatus.
  • the interface assembly may comprise one or more frangible elements and an interface member including one or more connectors, wherein the interface member is frangibly attached to a remainder of the lifting apparatus via the one or more frangible elements.
  • the one or more frangible elements may be configured so that the interface member becomes detached from a remainder of the lifting apparatus on application of a predetermined threshold force between the interface member and the remainder of the lifting apparatus.
  • Such an arrangement may ensure that, in the event of an unintentional separation between the lifting apparatus and a payload, the interface member remains attached to the payload thus serving to prevent damage to the connectors of the payload.
  • the bypass connector parts of the connectors of the interface member may then effectively serve in place of the corresponding connector parts of the payload.
  • This may allow connector parts of an interface member of a further identical lifting apparatus to releasab!y engage the bypass connector parts of the interface member of the lifting apparatus attached to the payload without modification of the payload or modification of the further lifting apparatus.
  • This may be especially beneficial where the payload forms part of a subsea assembly.
  • Such an arrangement may, for example, avoid a requirement to use a remote operating vehicle (ROV) or the like to modify or repair any damage to such a payload.
  • the interface member may comprise a hook arrangement, cleat arrangement or the like.
  • the interface member may be configured to provide a releasable connection between the interface member and the payload.
  • the interface member may comprise a latch system.
  • the interface member may be configured to grip a payload.
  • the interface member may comprise a ball grab gripping arrangement comprising a male member having a plurality of apertures formed therein and a corresponding plurality of balls. Each ball may be movable between a retracted position and a projecting position in which at least a portion of the ball protrudes through a corresponding aperture.
  • the ball grab gripping arrangement may be configured such that, when the balls are configured in the retracted position, the ball grab gripping arrangement may be inserted into a complementary female feature of the payload.
  • each ball when each ball is configured in the projecting position, each ball may protrude through a corresponding aperture to engage an internal surface of the female feature of the payload, Each ball may be movable between a retracted position and a projecting position under the action of an actuator such as a piston that may extend within the male member.
  • the piston may, for example, be actuated hydraulically or electrically or in any other way.
  • the lifting apparatus may be configured to permit wireless communication between the lifting apparatus and a payload.
  • the lifting apparatus may be configured to permit wireless electromagnetic communication such as wireless optical communication, wireless acoustic communication, or wireless communication via sonar signals or the like between the lifting apparatus and a payload.
  • the lifting apparatus may comprise a wireless transmitter and/or a wireless receiver or the like for wireless communications between the lifting apparatus and a payload.
  • a lifting apparatus may be particularly advantageous before, during and/or after mechanical connection to a payload when the payload is in the proximity of the lifting apparatus.
  • the lifting apparatus may be configured to be coupled to a remote location for the exchange of power and/or information between the lifting apparatus and the remote location.
  • the lifting apparatus may serve as an interconnection between the remote location and the payload.
  • the lifting apparatus may facilitate the exchange of power and/or information between the remote location and the lifting apparatus.
  • the lifting apparatus may be configured to be coupled to an umbilical extending from a remote location for the exchange of power and/or information between the remote location and the lifting apparatus.
  • an umbilical may, for example, comprise at least one of an electrical conductor, optical fibre, a waveguide, fluid conduit or the like for the exchange of power and/or information.
  • the lifting apparatus may comprise at least one umbilical termination arrangement.
  • the ' " umbilical " " termination- arrangement may be- connected between an umbilical and the interface assembly.
  • the at least one umbilical termination arrangement may be configured to connect an umbilical to one or more connectors of the interface assembly.
  • the umbilical termination arrangement may be configured to connect an umbilical to one or more first connector parts of respective connectors of the interface assembly.
  • the lifting apparatus may be configured for disconnection from an umbilical.
  • the lifting apparatus may, for example, comprise a hydraulically or electrically activated disconnect mechanism.
  • the disconnect mechanism may comprise a hydraulic latch, a solenoid device, an explosive device or the like. Such a disconnect mechanism may be particularly useful in an emergency situation when it is necessary to disconnect an umbilical from the interface assembly unexpectedly or at short notice.
  • the lifting apparatus may comprise one umbilical termination arrangement for each umbilical.
  • Each umbilical termination arrangement may comprise a disconnect mechanism configured for disconnection from a corresponding umbilical.
  • the lifting apparatus may be configured for wireless communication between a remote location and the lifting apparatus.
  • the lifting apparatus may be configured for the wireless exchange of information and/or power by electromagnetic, acoustic and/or sonar signals between a remote location and the lifting apparatus.
  • the lifting apparatus may comprise a wireless transmitter and/or a wireless receiver or the like for wireless communication between a remote location and the lifting apparatus.
  • the lifting apparatus may be configured for wireless communication between a remote location and the lifting apparatus through a body of water. Such a lifting apparatus may permit wireless communication between a surface vessel or structure and the lifting apparatus when the lifting apparatus is deployed subsea.
  • the lifting apparatus may comprise a power unit.
  • the power unit may be configured to provide power to a supported payload.
  • the power unit may be configured to provide power to at least one component mounted on the lifting apparatus.
  • the power unit may comprise a hydraulic power unit. This may advantageously eliminate the requirement to provide hydraulic power from an external source such as an external source remote to the lifting apparatus, which may require specialised connectors and conduits and which may create possible failure points, leak points or the like.
  • Such a power unit may minimise or remove the reliance of the lifting apparatus on an external power source such as a remote power source and may eliminate the need for the lifting apparatus to be permanently connected to an external power source by an umbilical.
  • the lifting apparatus may comprise a propulsion assembly configured to manoeuvre the lifting apparatus.
  • the propulsion assembly may comprise a water propulsion assembly configured to manoeuvre the lifting apparatus within a body of water.
  • the propulsion assembly may comprise one or more thrusters.
  • the propulsion assembly may comprise one or more jets.
  • the propulsion assembly may comprise one or more propellers.
  • the propulsion assembly may be hydraulically operated. Alternatively, or additionally, the propulsion assembly may be electrically operated, pneumatically operated, chemically operated or operated by an internal combustion engine or the like.
  • the propulsion assembly may be configured to manoeuvre the lifting apparatus in at least one direction.
  • the propulsion assembly may be configured to manoeuvre the lifting apparatus in three dimensions.
  • the propulsion assembly may be configured to manoeuvre the lifting apparatus in two non-parallel directions which are oriented in a plane which is non- parallel to a lifting member secured to the lifting apparatus.
  • the propulsion assembly may be configured to manoeuvre the lifting apparatus in two dimensions, for example preferably perpendicular, to provide motion in a single plane, such as a horizontal plane.
  • Such a propulsion assembly embodiment may be operable to manoeuvre the lifting apparatus in a horizontal plane whilst the lifting member may be operable to manoeuvre the lifting apparatus in a vertical dimension.
  • the propulsion assembly may be powered from an external source.
  • the propulsion assembly may be powered from a power source mounted onboard the lifting apparatus.
  • the lifting apparatus may comprise one or more interfaces for connection to a remote operating vehicle (ROV). Such an interface may permit a remote operating vehicle to exchange power and/or information with the lifting apparatus.
  • ROV remote operating vehicle
  • the lifting apparatus may comprise one or more interfaces that permit a remote operating vehicle (ROV) to override a status of the lifting apparatus.
  • ROV remote operating vehicle
  • the lifting apparatus may comprise at least one of an electrical, optical or hydraulic interface for connection to a remote operating vehicle (ROV).
  • ROV remote operating vehicle
  • the lifting apparatus may comprise a mechanical interface for connection ⁇ a remote operating vehicle (ROV).
  • the lifting apparatus may comprise one or more monkey fist arrangements.
  • the lifting apparatus may comprise a light source to permit visual location/tracking of the lifting apparatus in a dark environment such as a subsea environment, for example, by an ROV.
  • the lifting apparatus may comprise a source of coloured light.
  • the lifting apparatus may comprise a glow stick or the like.
  • the lifting apparatus may comprise one or more vision systems.
  • Each vision system may comprise a camera, image sensor or the like.
  • Each vision system may comprise a light source.
  • One or more of the vision systems may be configured to provide a fixed field of view.
  • One or more of the vision systems may be configured to provide a different field of view.
  • One or more of the vision systems may have an adjustable field of view.
  • the direction of view and/or the magnification of one or more of the vision systems may be adjustable.
  • One or more of the vision systems may be configured to provide a downwardly directed field of view. Such a vision system may be useful when establishing a connection between the lifting apparatus and a payload located generally below the lifting apparatus.
  • One or more of the vision systems may be mounted towards an upper side of a structural arrangement of the lifting apparatus and configured to provide a field of view directed downwardly through the structural arrangement.
  • One or more of the vision systems may be configured to provide a view of interfaces of the lifting apparatus configured for connection to a remote operating vehicle.
  • One or more of the vision systems may be configured to provide a view in a direction of approach of a remote operating vehicle towards interfaces of the lifting apparatus configured for connection to the remote operating vehicle.
  • the lifting apparatus may comprise one or more load detectors for detecting a load exerted on the lifting apparatus by a load member.
  • the lifting member connection assembly may comprise a load pin.
  • the lifting apparatus may comprise a motion reference arrangement.
  • a motion reference arrangement may comprise one or more accelerometers, gyroscopes or the like to provide a relative position of the lifting apparatus.
  • the lifting apparatus may comprise a guidance system configured to sense a distance be ⁇ tween the lifting apparatus and an object.
  • the lifting ⁇ apparatus may comprise a guidance system configured to sense and/or track a distance between the lifting apparatus and a payioad.
  • the lifting apparatus may comprise a guidance system configured to sense and/or track a distance between the lifting apparatus and a payioad, a remote operating vehicle or a surface vessel or structure.
  • the lifting apparatus may comprise an acoustic, sonar or electromagnetic guidance system or the like.
  • the lifting apparatus may comprise one or more hydro- acoustic position referencing beacons to be used in conjunction with a Hydrodynamic Position Reference (HPR) system mounted remotely from the lifting apparatus, for example, mounted on a payioad, a ROV or a surface vessel or structure.
  • HPR Hydrodynamic Position Reference
  • the lifting apparatus may comprise a depth sensor.
  • the lifting apparatus may comprise at least one of a pressure sensor, a temperature sensor and an ambient light level sensor.
  • a pressure sensor may be used to provide information relating to depth of the lifting apparatus. Such information may be provided as an alternative to, or in addition to, depth information provided by the depth sensor.
  • the lifting apparatus may be configured to allow the real time feed back of information relating to a status of the lifting apparatus and/or payioad to a remote location.
  • the lifting apparatus may provide real time feed back of information relating to a status of the lifting apparatus and/or payload during deployment, retrieval and/or operation of a payload.
  • the lifting apparatus may be configured to remain coupled to a payload during operation of the payload.
  • the lifting apparatus may be configured such that, following installation of a payload, for example on a subsea structure, the lifting apparatus may remain secured to the payload during operation of the payload.
  • the lifting apparatus may be configured to exchange power and/or information with the payload and/or the subsea structure. Accordingly, the lifting apparatus may used to sequentially install different components to form a subsea structure and may subsequently remain coupled to a final component of the subsea structure to permit operation of the subsea structure.
  • the lifting apparatus may be configured to be secured to an adapter apparatus, for example to permit use of the lifting apparatus with different types or formats of payloads.
  • the lifting apparatus may be configured to be secured to an adapter apparatus which is configured for connection between the lifting apparatus and a tree cap apparatus.
  • a method for use in deploying a payload comprising:
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of power from the lifting apparatus to the supported payload.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of power from the supported payload to the lifting apparatus.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of information from the lifting apparatus to the supported payload.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of information from the supported payload to the lifting apparatus. It should be understood that any of the optional features associated with the first aspect may apply alone or in any combination to the second aspect.
  • a method for use in retrieving a payload comprising:
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of power from the lifting apparatus to the supported payload.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of power from the supported payload to the lifting apparatus.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of information from the supported payload to the lifting apparatus.
  • a method for use in communicating with a payload comprising:
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of power from the lifting apparatus to the supported payload.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of power from the supported payload to the lifting apparatus.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of information from the lifting apparatus to the supported payload.
  • Communication between the lifting apparatus and the supported payload may comprise the exchange of information from the supported payload to the lifting apparatus.
  • Figures 1 to 3 are schematic side views of stages in the installation of a subsea intervention system on a subsea wellhead using a lifting apparatus, the lifting apparatus constituting an embodiment of the present invention
  • Figure 4 is a schematic perspective view showing an upper side of a lifting apparatus constituting an embodiment of the present invention.
  • Figure 5 is a schematic perspective view showing a lower side of a partially populated structural frame of the lifting apparatus of Figure 4;
  • Figure 6 is a schematic side view of the partially populated structural frame of Figure 5 taken in the direction of arrow A shown in Figure 4;
  • Figure 7 is a schematic side view of the lifting apparatus of Figure 4 taken in the direction of arrow A with all exterior grating panels removed for clarity;
  • Figure 8 is a schematic side view of the lifting apparatus of Figure 4 taken in the direction of arrow B with all exterior grating panels removed for clarity
  • Figure 9 is a schematic side view of the lifting apparatus of Figure 4 taken in the direction of arrow C with all exterior grating panels removed for clarity;
  • Figure 10 is a schematic side view of the lifting apparatus of Figure 4 taken in the direction of arrow D with all exterior grating panels removed for clarity;
  • Figure 11 is a schematic side view of the lifting apparatus of Figure 4 taken in the direction of arrow A and attached to an adapter apparatus for connection to a tree cap apparatus with some of the exterior grating panels of the lifting apparatus removed for clarity;
  • Figure 12 is a schematic side view of a subsea intervention system and an alternative embodiment of a lifting apparatus.
  • FIG. 1 to 4 there is shown various stages of-installation of a subsea assembly using a lifting apparatus generally designated 2.
  • the subsea assembly may be configured for use in performing a workover operation within a wellbore. As will be described below, the subsea assembly is intended to be landed on top of an existing Christmas tree mounted on a wellhead.
  • the various components of the subsea assembly are deployed from a vessel generally designated 4 in Figure 1.
  • the deployment of the subsea assembly begins with the deployment of a well control package 6 shown in Figure 1.
  • the well control package 6 comprises a number of valves and the like which are intended to control and contain well fluids and pressures when the subsea assembly is in operation.
  • the well control package 6 is connected, via the lifting apparatus 2, to a lifting wire 8 which is spooled from a vessel mounted reel/winch (not shown).
  • the reel/winch comprises a movement compensator (not shown) to compensate for heave motion and the like of the vessel 4 during the deployment operation.
  • the wefl control package 6 is lowered through a vessel moonpool 10 and an umbilical winder 12 is provided to wind umbilicals 14 around the lifting wire 8 in order to manage the umbilicals 14.
  • the umbilicals 14 may be provided for the exchange of power, such as electric or hydraulic power, and/or information with the lifting apparatus 2. It should be understood that although only two umbilicals 4 are shown in Figures 1 to 3 for ease of illustration, the number of umbilicals may be greater or fewer than this.
  • the umbilical winder 12 comprises a rotatable platform 16 defining a central bore 18 through which the lifting wire 8 and umbilicals 1 extend.
  • Umbilical reels 20 are mounted radially outwardly from the central bore 18.
  • the umbilical winder 12 is adapted to be removable to permit passage of the subsea equipment, such as the well control package 6, into and through the moonpool 10.
  • the umbilical winder 12 is adapted to be split.
  • the well control package 6 is landed on an existing wellhead Christmas tree 22, and once a connection has been established with the Christmas tree 22, the lifting apparatus 2 may be removed and retrieved to surface by the lifting wire 8.
  • the lifting wire ⁇ 8 and ⁇ lifting ⁇ apparatus-2 ⁇ may then be-used-to deploy-further components of the subsea assembly, such as a tool storage package 24, as shown in Figure 3.
  • the tool storage package 24 comprises a number of wellbore tools, such as intervention tools, drilling tool, pills, logging tools and the like which may be required to be deployed into the wellbore to perform a desired operation. Once the tool storage package 24 is mounted and securely connected to the well control package 6, the lifting wire 8 and lifting apparatus 2 may be retrieved to surface.
  • the lifting apparatus 2 may remain in place connected to the tool storage package 24 and may serve as an interconnect between the vessel 4 and one or more of the various components 22, 6, 24 of the subsea assembly.
  • the lifting apparatus 2 may be used to exchange power and/or communicate with the tool storage package 24, the well control package 6 and/or the wellhead Christmas tree 22.
  • the lifting apparatus 2 comprises a structural frame generally designated 100 having a plurality of interconnected structural members, a lifting member connection assembly generally designated 102 for permitting a mechanical connection to be established between the lifting apparatus 2 and the lifting wire 8 and a payload connection assembly generally designated 104 for permitting a mechanical connection to be established between the lifting apparatus 2 and a payload such as the well control package 6 or the tool storage package 24.
  • the lifting member connection assembly 102 and the payload connection assembly 104 are connected via the structural frame 100.
  • the lifting member connection assembly 102 comprises a base 106 shown in Figure 4, a pair of bracket members 108, a shackle 110 and a pin 112.
  • Each bracket member 108 extends upwardly from the base 106 and has a hole 114 formed therethrough.
  • Each hole 1 14 is configured to accommodate a respective portion of the pin 112.
  • the pin 12 extends between the bracket members 108 through the holes 114 and is held in place by a linch pin or some other suitable fastening arrangement.
  • the shackle 110 terminates the lifting wire 8 and fits around the pin 112 between the bracket members 08.
  • the payload connection assembly 104 is shown in an extended configuration in Figure 5 and in a retracted position in Figure 4 and Figures 6 to 10. As shown most clearly in Figure 5, the payload connection assembly 104 comprises four ball grab gripping arrangements each generally designated 116. Each ball grab gripping arrangement 1 16 is retractable within a respective vertical tubular structural member 117 located at a respective corner of the structural frame 100. Each ball grab gripping arrangement 116 comprises a male member 118 having a plurality of apertures 19 formed therein and a corresponding plurality of balls 120. Each ball 120 is movable between a retracted position and a projecting position in which at least a portion of the ball protrudes through a corresponding aperture 119.
  • Each ball grab gripping arrangement 116 is configured such that, when the balls 120 are configured in the retracted position, the ball grab gripping arrangement 116 may be inserted into a complementary female feature of a payload such as a corresponding bore 122 formed in a payload such as the well control package 6 as indicated in Figure 3. Furthermore, each ball grab gripping arrangement 116 is configured such that when each ball 120 is in the projecting position and the ball grab gripping arrangement 116 is inserted into the corresponding bore of the payload, each ball 120 protrudes through a corresponding aperture 119 to engage an internal surface of the corresponding bore of the payload. Each ball grab gripping arrangement 116 may thereby grip a corresponding bore of the payload to establish a mechanical connection between the lifting apparatus 2 and the payload. Each ball 120 of the ball grab gripping arrangement 116 may be movable between a retracted position and a projecting position under the action of a hydraulically activated piston (not shown) that may extend within each male member 118.
  • the structural frame 100 defines a generally pyramid-shaped structural recess 124 formed on a lower side thereof.
  • a generally pyramid-shaped structural recess 124 may be configured to inter- engage a corresponding complementary generally pyramid-shaped structural projection formed on an upper surface of a payload such as the generally pyramid- shaped structural projection 126 of the well control package 6 shown in Figure 3.
  • a payload such as the generally pyramid- shaped structural projection 126 of the well control package 6 shown in Figure 3.
  • such generally pyramid-shaped structural features serve to guide the lifting apparatus 2 and the payload into correct alignment to permit a mechanical connection to be established between the payload connection assembly 104 and the payload.
  • the structural frame 100 also defines a generally pyramid-shaped structural projection 125 formed on an upper side thereof.
  • a generally pyramid-shaped structural projection may be configured to inter-engage a corresponding complementary generally pyramid-shaped structural recess formed on a lower side of a further lifting apparatus (not shown). This may be useful for recovering the lifting apparatus 2 using a further lifting apparatus (not shown), for example, in the event of failure of the lifting wire 8 used to support the lifting apparatus 2.
  • PEG pyramid-up guidance
  • the lifting apparatus " 2 further comprises an interface assembly generally designated 130 configured to releasably engage a supported payload to permit an exchange of power and/or information between the lifting apparatus 2 and the supported payload.
  • the interface assembly 130 comprises a plurality of stab-in type connectors 132 mounted on an interface member 34 for the provision of power to the supported payload and/or for the exchange of information between the lifting apparatus 2 and the supported payload.
  • some of the connectors 132 may be electrical connectors and some of the connectors 132 may be optical connectors.
  • the interface assembly 130 further comprises a mounting plate 136 and a plurality of releasable connector rods 138 which releasably connect the interface member 134 to the mounting plate 136.
  • the mounting plate 136 is moveably mounted relative to the structural frame 100 via two interface assembly hydraulic actuators 40.
  • the interface member 134 comprises an alignment member/arrangement 142 for use in alignment between the lifting apparatus and payload.
  • the alignment member 142 may also function to distribute loads, such as lateral loads and bending loads at this location of interface to prevent or minimise any bending/lateral loads from passing through the connectors 132.
  • the interface assembly hydraulic actuators 140 are operated so as to engage the connectors 132 with corresponding connectors (not shown) of a payioad after mechanical connection of the payload connecting assembly 104 to the payload. This may reduce the risk of damage to the interface assembly 130 and/or to a payload during connection of the payload connection assembly 104 to the payload.
  • each connector 132 comprises a lateral connector part 144 and a lower connector part 146.
  • the lateral connector parts 144 are connected to respective cables 147 for the supply of electrical power and/or for the exchange of information.
  • the lower connector parts 146 are configured for engagement with complementary upwardly directed connector parts of corresponding payload connectors (not shown).
  • Each connector 132 may further comprise an upper connector part 148 provided as an alternative/contingent point of connection in the event that the lateral connector part 146 is compromised.
  • the upper connector part 148 may replicate a connection of a payload, such that other appropriate lifting components configured to engage the payload may also be able to engage the upper connector part 148.
  • the releasable connector rods 138 are configured to release on application of a predetermined threshold force between the interface member 134 and the mounting plate 136 so that the interface member 134 becomes detached from the mounting plate 136. Such an arrangement may ensure that where the intertace member 134 is attached to a payload and, in the event of an unintentional separation between the lifting apparatus 2 and the payload, the releasable connector rods 138 may release and the interface member 134 may remain attached to the payload. This may serve to prevent damage to connectors (not shown) of the payload.
  • the upper connector parts 148 of the connectors 132 of the interface member 134 may then effectively serve in place of corresponding connector parts (not shown) of connectors (not shown) of the payload.
  • This may allow connector parts (not shown) of an interface assembly (not shown) of a further lifting apparatus (not shown) to releasably engage the upper connector parts 148 of the interface member 134 attached to the payload without modification of the payload or modification of the further lifting apparatus.
  • This may be especially beneficial where the payload forms part of a subsea assembly.
  • Such an arrangement may, for example, avoid a requirement to use a remote operating vehicle (ROV) or the like to modify or repair any damage to such a payload.
  • ROV remote operating vehicle
  • the releasable connector rods 138 may be configured to be rest. In other embodiments frangible components may be used.
  • the lifting apparatus 2 comprises three umbilical termination arrangements 149 (see, for example, Figures 8 and 9), wherein each umbilical termination arrangement 149 serves to divide a corresponding umbilical 14 into a plurality of cables 147 for attachment to the connectors 132. It should be understood that although only two umbilicals 14 are shown in Figures 1 to 3 for ease of illustration, the number of umbilicals may be greater or fewer than this and may, in particular, be three for consistency with the lifting apparatus 2 as shown in Figures 4 to 11.
  • Each of the umbilical termination arrangements 149 may comprise a disconnect mechanism, such as an electrically activated solenoid for disconnection of a corresponding plurality of cables 1 7 from a corresponding umbilical 14.
  • the lifting apparatus 2 comprises four hydraulically-driven thrusters 150 for manoeuvring the lifting apparatus 2 through a body of water.
  • Each thruster 150 is attached to the structural frame 100 at a position adjacent to a corresponding vertical member 117.
  • the thrusters 150 are configured to manoeuvre the lifting apparatus 2 in a horizontal plane.
  • each thruster 150 is configured to provide thrust along a direction having an orientation of +90° with respect to a direction of thrust provided by an adjacent thruster 50 on one side and -90° with respect to a direction of thrust provided by a further adjacent thruster 150 on the other side.
  • Such a thruster arrangement may be used to manoeuvre the lifting apparatus 2 in a horizontal plane whilst the lifting wire 8 is operable to manoeuvre the lifting apparatus 2 in a vertical dimension ⁇
  • the lifting apparatus 2 comprises an electrically-driven hydraulic power unit 152 for providing pressurised hydraulic fluid to the respective hydraulically activated pistons of the respective ball grab gripping arrangements 116, the interface assembly hydraulic actuators 140, the ball grab gripping arrangement 42 of the interface member 134 and the thrusters 150.
  • This advantageously eliminates the requirement to provide hydraulic power from an external source such as an external source remote to the lifting apparatus 2, which may require specialised connectors and conduits and which may create possible failure points, leak points or the like.
  • the hydraulic power unit 152 may also provide pressurised hydraulic fluid to a payload.
  • the lifting apparatus 2 comprises a wireless radio transceiver 154 for wireless communications between the lifting apparatus 2 and a payload.
  • a transceiver may be particularly advantageous before, during and/or after mechanical connection to a payload when the payload is in the proximity of the lifting apparatus 2.
  • This arrangement may permit or allow communication between control equipment on the payload back to a surface location, which may be carried out when the payload is just below an associated surface vessel, during deployment, and just prior to landing of the payload at the desired location/structure. This may provide early indication of any controls issues or failure in advance of taking the time, and associated costs, of landing and locking of the payload in place.
  • the lifting apparatus 2 also comprises electrical interfaces 156 for connection to a remote operating vehicle (ROV).
  • ROV remote operating vehicle
  • the interfaces 156 allow an ROV to exchange power and/or information with the lifting apparatus 2.
  • the interfaces 156 allow an ROV to override the operation of the ball grab gripping arrangements 116 of the payload connection assembly 104 to establish a connection between the lifting apparatus 2 and a payload or to disconnect the lifting apparatus 2 from a payload.
  • the lifting apparatus 2 comprises a vision system 158 comprising a camera and a light source.
  • the vision system 158 is adjustable to provide a variable field of view and is, in particular, adjustable to provide a generally downward field of view through the structural frame 100 to permit viewing of a payload located generally below the lifting apparatus 2.
  • the vision system may be provided in combination or as part of a larger monitoring system which may include a camera (not shown in the drawings) which looks down at the apparatus. This may provide benefits in providing multiple perspective views of the apparatus.
  • the ifting apparatus ⁇ comprises a load pin 160 for sensing a load exerted by the lifting wire 8 on the lifting member connection assembly 102.
  • the lifting apparatus 2 comprises a motion reference arrangement 162 configured to provide a relative position of the lifting apparatus 2 relative to an object such as a surface vessel or structure.
  • the lifting apparatus 2 also comprises a depth sensor 64.
  • the lifting apparatus 2 comprises a processor and a wireline transceiver configured to allow the real time exchange of information relating to a status of the lifting apparatus 2 and payload between the lifting apparatus 2 and a remote location, for example, to the surface vessel 4 via one or more of the umbilicals 14.
  • the lifting apparatus 2 may be used for the deployment and/or retrieval of a payload, for example, through a body of water.
  • the lifting apparatus 2 may remain coupled to a payload during operation of the payload.
  • the lifting apparatus 2 may remain secured to the payload during operation of the payload.
  • the lifting apparatus 2 may therefore be used to sequentially install different components to form a subsea structure and may subsequently remain coupled to a final component of the subsea structure to permit operation of the subsea structure.
  • the lifting apparatus 2 may also be secured to an adapter apparatus 200, for example to permit use of the lifting apparatus 2 with different types of payloads.
  • the lifting apparatus 2 may be configured to be secured to an adapter apparatus 200 which is configured for connection between the lifting apparatus 2 and a tree cap apparatus 202.
  • the use of such an adapter apparatus 200 may therefore allow the lifting apparatus 2 to be used for the deployment and/or retrieval and, optionally, as an interconnect during the operation of, subsea structures having a variety of different mechanical form factors.
  • the interface assembly 130 may be configured to permit an exchange of power and/or information between the lifting apparatus 2 and a payload in one or both directions.
  • the interface assembly 130 may be configured to permit an exchange of at least one of mechanical power, a fluid such as a hydraulic fluid, a compressed gas, a fuel, an oxidant such as oxygen or the like, a chemical agent, and/or a reactant or the like between the lifting apparatus 2 and a payload.
  • a fluid such as a hydraulic fluid, a compressed gas, a fuel, an oxidant such as oxygen or the like, a chemical agent, and/or a reactant or the like between the lifting apparatus 2 and a payload.
  • the interface assembly 130 may be configured to permit an exchange of information between the lifting apparatus 2 and a payload using electrical, electromagnetic, optical, hydraulic, acoustic and/or sonar signals and/or any other type of signals.
  • the interface assembly actuators 140 may comprise electrical actuators, pneumatic actuators, mechanical actuators or the like.
  • the interface assembly 130 may be rigidly mounted on the lifting apparatus 2. In such an arrangement, the interface assembly 130 may engage a payload during connection of the payload and the payload connection assembly 104.
  • the lifting apparatus 2 may comprise at least one of a pressure sensor, a temperature sensor and an ambient light level sensor. One or more of these sensors may be used to provide information relating to depth of the lifting apparatus 2 as an alternative to, or in addition to, depth information provided by the depth sensor 164.
  • the lifting apparatus 2 may comprise at least one of an electrical, optical or hydraulic interface for connection to a remote operating vehicle (ROV).
  • the lifting apparatus 2 may comprise a mechanical interface for connection to a remote operating vehicle (ROV).
  • the lifting apparatus 2 may comprise one or more monkey fist arrangements.
  • the lifting apparatus may 2 comprise a light source to permit visual location/tracking of the lifting apparatus 2 in a dark environment such as a subsea environment, for example, by an ROV.
  • the lifting apparatus 2 may comprise a source of coloured light.
  • the lifting apparatus 2 may comprise a glow stick or the like.
  • the lifting apparatus 2 may comprise an autonomous power unit such as a battery unit, a generator or a fuel cell or the like. Such a power unit may minimise or remove the reliance of the lifting apparatus 2 on an external power source such as a remote power source and may eliminate the need for the lifting apparatus 2 to be connected to an external power source by an umbilical 14.
  • an autonomous power unit such as a battery unit, a generator or a fuel cell or the like.
  • the lifting apparatus 2 may be configured for wireless communication between a remote location and the lifting apparatus.
  • the lifting apparatus 2 may be configured for wireless electromagnetic, optical, acoustic and/or sonar com fnunication between a remote location and the lifting apparatus-2r
  • the lifting apparatus 2 may be configured for wireless communication between a remote location and the lifting apparatus through a body of water. Such a lifting apparatus 2 may permit wireless communication between a surface vessel or structure and the lifting apparatus 2 when the lifting apparatus 2 is deployed subsea and may eliminate the need for the lifting apparatus 2 to be connected to a surface vessel or structure for communication therewith by an umbilical 14.
  • An alternative lifting apparatus embodiment 300 shown in Figure 12 may be configured for attachment to a spoolable tubular lifting member, specifically coiled tubing 302. Such a lifting apparatus 300 may exchange a fluid or fluids with a remote location such as a surface vessel or structure via the coiled tubing 302. In addition, such a lifting apparatus 300 may exchange a fluid or fluids with a payload or a subsea assembly such as a subsea assembly comprising a well control package 6 and/or a tool storage package 24 mounted on top of an existing well head Christmas tree 22. For such an alternative lifting apparatus embodiment 300, power and/or information may be exchanged with a remote location via the umbilicals 14 in the same way as described above for the case of the lifting apparatus 2.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)

Abstract

Un appareil de levage 2 est configuré pour relier un organe de levage 8 à une charge utile 6, 24. L'appareil de levage 2 comprend un ensemble de liaison 102 à l'organe de levage pour permettre la réalisation d'une liaison mécanique entre l'appareil de levage 2 et un organe de levage 8, un ensemble de liaison 104 à la charge utile pour permettre la réalisation d'une liaison mécanique entre l'appareil de levage 2 et une charge utile 6, 24 et un ensemble d'interface 130 configuré pour mettre en prise amovible une charge utile 6, 24 supportée afin de permettre l'échange de puissance et/ou d'informations entre l'appareil de levage 2 et la charge utile 6, 24 supportée. Un tel appareil de levage 2 peut être utilisé pour le déploiement et la récupération d'une charge utile 6, 24 dans un corps d'eau et est particulièrement, mais pas exclusivement, utilisé pour le déploiement et/ou la récupération d'une charge utile telle qu'un composant 6, 24 d'un système d'intervention de puits sous-marin. Un tel appareil de levage 2 peut également être utilisé pour l'échange de puissance et/ou d'informations avec une structure sous-marine 6, 22, 24 après installation de la structure sous-marine 6, 22, 24.
PCT/GB2012/000172 2011-02-26 2012-02-20 Appareil de déploiement et de récupération d'une charge utile WO2012114065A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1103333.9 2011-02-26
GB201103333A GB201103333D0 (en) 2011-02-26 2011-02-26 Running tool

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014068313A3 (fr) * 2012-10-30 2014-11-27 Wfs Technologies Ltd Déploiement d'installation sous-marine amélioré
WO2020221929A1 (fr) * 2019-05-02 2020-11-05 Itrec B.V. Navire et grue pour opérations en mer impliquant un équipement ou des outils consommant de l'énergie

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WO2002014651A1 (fr) * 2000-08-11 2002-02-21 Exxonmobil Upstream Research Company Systeme d'intervention sous-marin
WO2004065757A2 (fr) 2003-01-18 2004-08-05 Expro North Sea Limited Systeme d'intervention sur puits autonome
WO2009016346A2 (fr) * 2007-07-27 2009-02-05 Expro North Sea Limited Système de déploiement
EP2196622A1 (fr) * 2008-12-12 2010-06-16 Welltec A/S Module d'intervention de puits sous-marin

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Publication number Priority date Publication date Assignee Title
US5280880A (en) * 1991-07-18 1994-01-25 Kone Oy Unitary hoist drum for hoist ropes and an electric cable
WO2002014651A1 (fr) * 2000-08-11 2002-02-21 Exxonmobil Upstream Research Company Systeme d'intervention sous-marin
WO2004065757A2 (fr) 2003-01-18 2004-08-05 Expro North Sea Limited Systeme d'intervention sur puits autonome
WO2009016346A2 (fr) * 2007-07-27 2009-02-05 Expro North Sea Limited Système de déploiement
EP2196622A1 (fr) * 2008-12-12 2010-06-16 Welltec A/S Module d'intervention de puits sous-marin

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014068313A3 (fr) * 2012-10-30 2014-11-27 Wfs Technologies Ltd Déploiement d'installation sous-marine amélioré
WO2020221929A1 (fr) * 2019-05-02 2020-11-05 Itrec B.V. Navire et grue pour opérations en mer impliquant un équipement ou des outils consommant de l'énergie
NL2023056B1 (en) * 2019-05-02 2020-11-23 Itrec Bv Energy storing crane, vessel provided therewith, and method for serving energy consuming equipment.
CN114007936A (zh) * 2019-05-02 2022-02-01 伊特里克公司 用于涉及耗能设备或工具的海上作业的船舶和起重机
CN114007936B (zh) * 2019-05-02 2023-12-12 伊特里克公司 用于涉及耗能设备或工具的海上作业的船舶和起重机
US11939193B2 (en) 2019-05-02 2024-03-26 Itrec B.V. Vessel and crane for offshore operations involving energy consuming equipment or tools

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