公开(公告)号：US20180216314A1

公开(公告)日：2018-08-02

申请号：US15748114

申请日：2016-07-26

Applicant: SAIPEM S.P.A.

Inventor： Paolo BONEL ,  Diego LAZZARIN ,  Alberto SERENA

IPC: E02F5/10 ,  E02F5/14

CPC classification number: E02F5/105 ,  E02F5/104 ,  E02F5/106 ,  E02F5/107 ,  E02F5/108 ,  E02F5/109 ,  E02F5/145 ,  F16L1/16

Abstract: 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.

公开(公告)号：US20180001976A1

公开(公告)日：2018-01-04

申请号：US15544833

申请日：2016-01-07

Applicant: SAIPEM S.p.A.

Inventor： Alberto SERENA ,  Diego LAZZARIN ,  Olivier FRESNET

IPC: B63B35/44 ,  G01M5/00 ,  B63B21/50 ,  G05D1/02 ,  E02B17/02

CPC classification number: B63B35/4413 ,  B63B21/502 ,  B63B35/44 ,  E02B17/021 ,  G01M5/0041 ,  G01M5/0058 ,  G05D1/0206 ,  G05D1/0875

Abstract: 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.

公开(公告)号：US20170356254A1

公开(公告)日：2017-12-14

申请号：US15532878

申请日：2015-12-04

Applicant: Saipem S.p.A.

Inventor： Alberto SERENA ,  Diego LAZZARIN ,  Gabriele CADEDDU

IPC: E21B17/10 ,  F16L3/205 ,  E21B33/038 ,  F16L1/12

CPC classification number: E21B17/1078 ,  E21B19/24 ,  E21B33/038 ,  E21B41/0007 ,  F16L1/123 ,  F16L3/205

Abstract: 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.