Saipem Limited

Diego Lazzarin

Alberto Serena

Massimo Fontolan

Gianluca Toso

Giovanni Massari

Stefano Bianchi

Paolo Bonel

Roberto Bruschi

Enrico Ruaro

Gabriele Cadeddu

Alessandro Radicioni

Massimo Bellin

Roberto Visentin

Massimiliano Formenti

Luca Michelazzo

Diego Magri

Francesco Cavallini

Alessio Mameli

Salvatore Torcivia

Federico Gaggiotti

Federico Formentini

Stefano Sovilla

Olivier Fresnet

Paolo Dallona

Francesco Lucchese

Loris Ziero

Enrico Girello

Diego Bruno

A machine for applying at least one cable to a pipeline comprises: a frame extending along a longitudinal axis; a gripping and moving device mounted on the frame and configured to couple the machine around the pipeline and move the machine along the pipeline in a travel direction parallel to the longitudinal axis; and a cable application equipment comprising a rotating open ring structure, which is configured to rotate with respect to the frame and around the pipeline when the machine is gripping the pipeline; and an unwinding device for the controlled unwinding of a reel of cable; unwinding device being mounted on rotating open ring structure.

Machine, system and method to apply at least one cable to a pipeline

An apparatus for joining elongated elements in a body of water has a frame; a strap feeding device; two arms movable with respect to the frame and configured to guide a strap around the elongated elements; a clamping device, configured to retain an end portion of the strap; a driving device configured to advance and tighten the strap around the elongated elements; a junction device, configured to join two overlapping portions of the strap so as to close the strap around the elongated elements; and a cutting device configured to separate the strap upstream of the joined portion.

Apparatus, system and method for joining elongated elements in a body of water

An energy management system of a Remotely Operated Vehicle ('ROV') has a generating unit located in a remote station on a water body and configured to generate a generated electrical power with a first maximum value); a ROV configured to operate in the water body and configured to absorb a second maximum value of an absorbed electrical power greater than the first maximum value; an electrical energy transmission line connected to the generating unit and to the ROV; and an electrical energy storage device located along the transmission line and/or on board the ROV.

Energy management system and method of a ROV

A connection device for joining two pipe sections in a body of water has a first tubular body having a spherical face; a second tubular body having at least one spherical face; a tubular pusher arranged about the second tubular body and having a spherical face; a first mechanism for coupling the second tubular body between the first tubular body and the tubular pusher and providing a spherical coupling between the first and the second tubular body; and a second mechanism for blocking any movement about the spherical coupling of the second tubular body with respect to the first tubular body and the tubular pusher.

Connection device for joining two pipe sections

A system for power and data transmission in a body of water to unmanned underwater vehicles comprises a floating surface station for generating electric energy and receiving and transmitting data; an underwater station connectable to at least one unmanned underwater vehicle; at least one submerged depth buoy; and an umbilical, which comprises a power transmission line and a data transmission line, is mechanically and electrically connected to the surface station and to the underwater station, and is mechanically coupled to the depth buoy so that the umbilical comprises a first umbilical section that is stretched between the underwater station and the depth buoy and a second umbilical section that extends loose between the depth buoy and the surface station.

System and method for power and data transmission in a body of water to unmanned underwater vehicles

A supporting system for a floating unit in shallow water exerts controlled stresses on the floating unit hull and includes supporting structure for the hull. An extendable supporting device operatively connects to the supporting structure and is suitable to support a predetermined weight of the floating unit and load when entirely supported by the extendable supporting device and when the extendable supporting device rests on a bed of a water body. An actuator device connects to the supporting structure and operatively connects to the extendable supporting device for extension or contraction. A control device operatively connects to the actuator device to control the extraction or contraction movement of the extendable supporting device. The system includes at least one hull stress monitoring device operatively connected to the control device. A device to monitor the stress, or load, on the extendable supporting device operatively connects to the control device.

Supporting system for a floating vessel in shallow or very shallow water

A system for connecting two conduits in a body of water, exhibits a first tubular structure, which is coupled to a conduit that extends along a first longitudinal axis; a second tubular structure, which is coupled to another conduit that extends along a second longitudinal axis and comprises a tubular member, and a sleeve, which is telescopically coupled to the tubular member, and faces the first tubular structure; and an actuating assembly, which comprises a bidirectional translating device configured to selectively displace the sleeve forward and backward to selectively couple and uncouple an end portion of the sleeve and the first tubular structure.

Connecting system and method for connecting two conduits in a body of water

An unmanned underwater vehicle of a system for the maintenance and inspection of permanent underwater facilities having a first interface configured for structurally and functionally coupling to an operational module selected on the basis of specific needs from a plurality of interchangeable operational modules featuring different characteristics, and a second interface configured for structurally and functionally coupling to a power and communication module selected on the basis of specific needs from a plurality of interchangeable power and communication modules featuring different characteristics.

Unmanned underwater vehicle, system and method for the maintenance and inspection of underwater facilities

A method for burying a pipeline in a bed of a body of water which includes: making a trench with a bottom surface in a bed of a body of water via a bed working vehicle advanced in an advancing direction; advancing a floating unit in the body of water; releasing a pipeline in the body of water via a tensioner and along a lay device tilted in an adjustable manner and constrained to the floating unit; guiding the pipeline to the bottom surface of the trench via a guide vehicle advanced on the bed of the body of water; and controlling the tensioner, the floating unit, the lay device, the bed working vehicle, and the guide vehicle to minimize stress along the pipeline.

Method and system for burying a pipeline in a bed of a body of water

A system for laying an underwater pipeline on a bed of a body of water has a construction site to form a string of an underwater pipeline, the string being defined by a curved portion shaped substantially like a portion of the bed of the body of water characterized by an abrupt change in slope; at least two vessels to transfer, in the body of water, the string from the construction site to a laying site in the body of water and substantially on the vertical of a path along which to lay the string; and a plurality of floating devices configured to be coupled to the string and so as to selectively support and sink the string in the body of water, and progressively lay the string along the path on the bed of the body of water.

System and method for laying an underwater pipeline on a bed of a body of water

A trenching assembly lays a continuous pipeline in a trench dug in a bed with uneven bathymetry, the trenching assembly including a trench digging device having a main body; at least four ground contact units, each unit having a height adjustment device, to position each ground contact unit with respect to the main body independently. A trench cutting tool digs in the bed includes a cutting depth adjustment device, for positioning the cutting tool with respect to the main body. A detection device detects bed bathymetry. A control device simultaneously allows cooperation between the detection device, the height adjustment device of each ground contact unit, and the cutting depth adjustment device. A command device cooperates with the control device to adjustment each ground contact unit and the cutting depth adjustment device, to obtain a trench having a height difference lower than a predefined tolerance and a predetermined burial depth.

Trenching assembly for laying in a trench a continuous pipeline and trenching method

A connection assembly for engaging a tubular member underwater to restrain the tubular member from radial movement relative to the connection assembly includes a plurality of pads for engaging the tubular member at circumferentially spaced positions; and a plurality of biasing arrangements, each for biasing a respective pad radially inwardly into engagement with the tubular member; wherein each biasing arrangement includes a pre-loadable, mechanical, compressed spring arrangement for resiliently pressing its respective pad against the tubular member. The assembly need not employ any hydraulic components.

Underwater engagement of tubular members

A joining device configured to join two facing and aligned pipeline sections presents two coupling members selectively couplable to respective pipeline sections at two respective facing flanges located at the ends of respective pipeline sections; a pulling mechanism suitable to move the coupling members towards each other in abutment against the flanges and to temporarily tighten the flanges by moving the coupling members towards each other; and a tightening mechanism suitable to definitively tighten the coupling members while the pulling mechanism keeps the flanges tight.

Joining device, system and method for joining two facing and aligned pipeline sections

A vessel for laying a pipeline includes a plurality of workstations disposed along a pipelaying path that includes an upstream portion away from a first end of the vessel and a plurality of ramps, includes a first ramp and a downstream second ramp disposed along the pipelaying path, in the region of the first end of the vessel. Each of the plurality of ramps has a first upstream end, a second downstream end, and an adjustable inclination. The downstream end of the first ramp is positioned inboard of the first end of the vessel and above the bottom of the vessel and the upstream end of the second ramp is positioned inboard of the first end of the vessel and above the bottom of the vessel. An external ramp assembly includes ramps that can be pivoted relative to one another and locked in a selected position.

Undersea pipe-laying

A self-propelled underwater vehicle for underground laying a continuous elongated member in a bed of a body of water having a work assembly, which is configured to be set, at least partly, into the bed, and is provided with two facing supporting walls for delimiting a space there-between and supporting two opposite scarp slopes; and drive assemblies, which are arranged on opposite sides of the work assembly and are configured to rest on the bed and advancing the work assembly in a travelling direction.

Growing community of inventors

Treviso, Italy

Diego Lazzarin