Patents Assigned to HEEREMA MARINE CONTRACTORS NEDERLAND SE
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Publication number: 20140334879Abstract: The present invention relates to a pipe section (10), constructed to be joined end-to-end to a same pipe section in order to form a pipeline which is laid from a pipeline laying vessel, the pipe section having a pipe has a greater wall thickness than the wall thickness of a main part of the pipe wall (15), the pipe section comprising a thickened gripping zone (20) which section, wherein the thickened gripping zone has a length (22) and a wall thickness which are constructed and arranged to allow a shear clamp (45) having protrusions (48) to grip the thickened gripping zone in order to suspend the pipeline from the pipeline laying vessel via the thickened gripping zone.Type: ApplicationFiled: September 10, 2012Publication date: November 13, 2014Applicant: HEEREMA MARINE CONTRACTORS NEDERLAND SEInventor: Cornelis Van Zandwijk
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Patent number: 8870495Abstract: A pipeline laying vessel (1) for laying a pipeline (2) on a seabed, said vessel (1) comprising a J-lay system (4) defining a firing line (5) along which the pipeline (2) is laid, the J-lay system (4) comprising an alignment device (6) for aligning a pipe section (7) with the pipeline (2) suspended from the J-lay system (4) with a sufficient level of accuracy to allow the pipe section (7) to be welded to the pipeline (2), the alignment device (6) being constructed to maintain the alignment during at least a part of the welding operation of the pipe section (7) to the pipeline (2), wherein the alignment device (6) is movable between a first position (10) in the firing line (5) and a second position (11) outside the firing line (5), and the alignment device (6) is constructed to engage a pipe section (7) in the second position (11) and to be moved into the first position (10) together with the engaged pipe section (7).Type: GrantFiled: December 15, 2009Date of Patent: October 28, 2014Assignee: Heerema Marine Contractors Nederland SEInventors: Gerardus Cornelius van Grieken, Timotheus Johannes Rutten
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Patent number: 8821070Abstract: A method for constructing a riser assembly (1) for transporting a fluid from a vessel and on a seabed includes providing an elongate frame (4) having a first frame end (5) and a second frame end (6), where the first frame end is connected to the seabed (3) and the second frame end is connected to a buoy (7), providing at least one riser (9) for transporting a fluid, and connecting the at least one riser to the second frame end and/or the buoy.Type: GrantFiled: February 10, 2011Date of Patent: September 2, 2014Assignee: Heerema Marine Contractors Nederland SEInventors: Cornelis Benard, Cristian Rogier Koene, Eduard Wiersema, Frank Cornelis Lange
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Publication number: 20140238948Abstract: The present invention relates to a vessel comprising:-a hull,-a support structure connected to said hull, the support structure configured for supporting the mass, the support structure being constructed to allow the mass to make a back and forth movement relative to said hull along a trajectory between opposite ends of said trajectory,-a damping device configured to dampen the movement of the mass relative to said hull. The present invention also relates to a method for damping the movements of a vessel or of a mass.Type: ApplicationFiled: July 19, 2012Publication date: August 28, 2014Applicant: Heerema Marine Contractors Nederland SEInventor: Gerardus Petrus Meskers
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Publication number: 20140227039Abstract: A pipeline laying vessel for laying a pipeline (5) on a seabed, which pipeline laying vessel comprises a hull, a positioning device (6) for positioning a pipe section in a firing line (3) along which the pipeline is laid, which positioning device is supported by the hull, and a clamp (17) for holding the pipeline suspended from the vessel, wherein the clamp is located in the firing line, and comprises a support device (18) constructed and arranged to allow the clamp to hold the pipeline in a first mode wherein the clamp has a fixed position relative to the positioning device, and in a second mode (52) wherein the clamp is pivotable relative to the positioning device.Type: ApplicationFiled: March 30, 2012Publication date: August 14, 2014Applicant: HEEREMA MARINE CONTRACTORS NEDERLAND SEInventor: Cornelis Van Zandwijk
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Publication number: 20140199154Abstract: A lifting system (1) for lifting an item (2) with a vessel (4) comprising a first support (5) and a second support (6), wherein the lifting system comprises an elongate lifting structure (3) comprising a first end (7) and a second end (8), an item connector constructed and arranged to in use connect the lifting structure to the item near or at the first end, a weight (21) connected to a weight connector (10) provided on the lifting structure near or at the second end, a first connector (11) constructed and arranged to connect the lifting structure (31) in use to the first support, a second connector (12) constructed and arranged to connect the lifting structure in use to the second support, wherein the first connector is located at a distance from the item connector in a direction from the first end to the second end.Type: ApplicationFiled: June 14, 2012Publication date: July 17, 2014Applicant: HEEREMA MARINE CONTRACTORS NEDERLAND SEInventors: Guido Johannes Maria Ammerlaan, Onno Ludolf De Waard
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Patent number: 8752496Abstract: The present invention relates to a semi-submersible vessel comprising at least one lower hull section (22) which defines a first water displacing volume; a support structure (24) connected to the at least one lower hull section (22) and extending upward from the at least one lower hull section, wherein the support structure (24) has a waterplane area which is substantially smaller than the waterplane area of the at least one lower hull section; a deck structure (26) connected to the support structure (24), wherein the deck structure (26) is provided at a distance above the at least one lower hull section (22); a ballast system for controllably varying the draft of the vessel such that at a first draft (30) the at least one lower hull section (22) may be provided at least in part above the water-line and at a second draft (28) the support structure may be provided at least partly below the water-line; wherein the assembly of said at least one lower hull section, said support structure and said deck structure cType: GrantFiled: December 12, 2006Date of Patent: June 17, 2014Assignee: Heerema Marine Contractors Nederland SEInventor: Ton Coppens
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Patent number: 8747024Abstract: A J-lay system constructed to be positioned on board a pipeline-laying vessel, comprising a fixed pipeline support (12) and a movable pipeline support (12) configured for supporting a pipeline (10) which is suspended form the pipeline-laying vessel, —the movable pipeline support (12) comprising: —at least a first movable support member (20A) configured for engaging a first collar (16A) on the pipeline (10), —at least a second movable support member (20B) configured for engaging a second collar (16B) on the pipeline (10), —the fixed pipeline support (12) comprising: —at least a first fixed support member (20A) configured for engaging a third collar on the pipeline (10), —at least a second fixed support member (20B) configured for engaging a fourth collar on the pipeline (10), wherein the first (20A) and second fixed support member (20B) configured for engaging a fourth collar on the pipeline (10).Type: GrantFiled: November 18, 2009Date of Patent: June 10, 2014Assignee: Heerema Marine Contractors Nederland SEInventors: Gerardus Cornelius van Grieken, Jean Louis Antoine de Grave, Erwan Karyadi
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Publication number: 20140147217Abstract: A method of performing an under water operation on a structure (10) or in the vicinity of the structure includes providing a device (18) having a movable arm (20) and at least a first support (22) constructed to be connected to the structure, the movable arm (20) directly or indirectly connected at a proximal end (34) to the support, the first movable arm having a first tool (30) connected to a distal end (36) of the first movable arm, at least one actuator (33) configured to controllably move the first tool (30) in a three dimensional working range in order to position the first tool at a target location, attaching the device to the structure via the at least one support, and-moving the tool in three dimensions and performing an operation under water.Type: ApplicationFiled: February 7, 2012Publication date: May 29, 2014Applicant: HEEREMA MARINE CONTRACTORS NEDERLAND SEInventor: Guido Johannes Maria Ammerlaan
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Patent number: 8702067Abstract: The invention relates to an axial displacement device (3) to be used in conjunction with a rotary winch (2), said winch comprising a drum (7) being rotatable about an axis of rotation (a-a), said axial displacement device to be arranged stationary with respect to said winch and comprising one or more guiding elements (23), said one or more guiding elements being configured to displace a winding of said line in an axial direction parallel to said axis of rotation with at least the diameter of said line, so that a part of said winding being in contact with said drum runs in a plane substantially perpendicular to the axis of rotation.Type: GrantFiled: August 22, 2008Date of Patent: April 22, 2014Assignee: Heerema Marine Contractors Nederland SEInventor: Peter Marius Meijer
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Publication number: 20140044487Abstract: A stinger (1) for a pipeline laying vessel, the stinger includes at least one track (3) which in use at least partly surrounds a firing line along which the pipeline (5) is laid, and at least one pipeline support (6) for supporting the pipeline, which pipeline support is movable along said track.Type: ApplicationFiled: December 23, 2011Publication date: February 13, 2014Applicant: HEEREMA MARINE CONTRACTORS NEDERLAND SEInventors: Gerardus Cornelius van Grieken, Maikel Hillenaar, Timotheus Johannes Rutten, Cornelis van Zandwijk