OPERATION SYSTEM AND OPERATION METHOD FOR UNDERWATER JET TRENCHING AND CABLE LAYING

INITIATION OF SUBSEA INSTALLATION OPERATIONS

Submarine Reel Drive System And Method For Reeling In And Launching Flexible Pipes And Umbilicals

Seabed foundations

Method for manufacture, assembly and continuous construction of pipe sections in a spoolbase with gradual movement

DIRECT TIE-IN OF A PIPELINE

A Method of Laying a Pipeline on a Seafloor, Monitoring Surrounding Zones of the Installed Pipeline for Approaching Vessels and Warning Vessels Considered to be Able to Cause Harm to the Pipeline

Mitigation of Buckling in Subsea Pipe-in-Pipe Systems

Method and apparatus for inserting an elongate object into a trench in a sea floor

Subsea foundations

Method for manufacture, assembly and continuous construction of pipe sections in a spoolbase with gradual movement

METHOD FOR INSTALLING A GAS TRANSPORTATION ARRANGEMENT

Method and system for laying a pipeline on the bed of a body of water

Method for controlling buckling in deepwater pipeline with inclined sleepers

PIPELINE INTEGRATED MANIFOLD

Lateral and continuous measurement method for soil parameters in soft soil field

CONTINUOUS INSTALLATION OF MULTIPLE SUBSEA FUNCTION LINES WITH IN-LINE TEES

UNDERWATER PIPELINE BURYING APPARATUS AND METHOD

Subsea energy storage

Method of installing an in-line structure in a pipeline

Thermal-insulated multi-walled pipe for superconducting power transmission and laying method therefor

Deepwater hoisting system and method

Offshore vessel, marine pipeline installation system and method

Bundle section of a pipe bundle for subsea installation

Pipelaying

Direct tie-in method

Combined metrology method for computing distance, roll and pitch attitudes and relative orientations between two underwater points of interest

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

Underwater pipeline burying apparatus and method

Tie in of pipeline to subsea structure

Assembly and method for installing a subsea cable

Pipeline integrated manifold

Marine reel lay method pipeline installation system and methods

Methods of laying subsea pipelines

Method for subsea deployment of discrete lengths of flexible jumper pipes

Modular Lay System

Pipe-clamping block

Marine pipelaying system and method for lowering and/or raising an offshore pipeline and including one or more accessories thereto

Joining device of a continuous conduit for changes in slope of seabeds, continuous conduit comprising a device and method for joining a continuous conduit

In situ length expansion of a bend stiffener

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

Marine reel lay method pipeline installation system and methods

Offshore vessel, marine pipeline installation system and method

Subsea pipe-in-pipe structures

Termination bulkheads for subsea pipe-in-pipe systems

Connection system for subsea pipelines

Method of installing an electrically-heatable subsea flowline and electrically-heatable subsea flowline thereof

Sealing arrangements for subsea pipe-in-pipe systems

Sealing arrangements for subsea pipe-in-pipe systems

Bending restrictor assembly for permanently bending and restraining ovality of a subsea pipe

Method for mounting an undersea installation comprising at least one section of pipe, and associated installation

Underwater pipeline support, and system and method for setting up such a support

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

Methods for removal of components of a subsea oilfield facility

Deployment and direct tie-in of subsea pipelines

Marine reel lay method pipeline installation vessel and methods

Smart subsea pipeline

Transportation and installation of subsea rigid tie-in connections

Pipeline freespan support

Marine pipeline installation system and methods

Marine pipelaying and method for abandonment of a pipeline

Gravity driven pile tower based device for pipeline lifting and support and method of use

Apparatus for unwinding flexible cables on seabeds and method for loading a reel of flexible cable on said apparatus

Foundations for subsea pipeline accessories

Methods of deploying and operating variable-buoyancy assembly and non-collapsible fluid-line assembly for use with fluid-processing plant

Method of installing pin piles into a seabed

Pipeline freespan support

Conduit displacement mitigation apparatus including mesh layers, methods and systems for use with subsea conduits

Conduit displacement mitigation apparatus including springs, methods and systems for use with subsea conduits

Support device for an elongate article

Marine pipeline installation system and methods

Self-propelled underwater vehicles and systems for underground laying a continuous elongated member in a bed of a body of water

MOORING DEVICE

Pipeline burial in offshore and arctic offshore regions

Implementation of a fluid transportation pipe with flexible hold

System and method for interconnecting umbilicals for conveying energy, fluids and/or data in a marine environment

T-piece preformer

Apparatus and method for burying elongate member

Assembly for transporting liquid via pipes and associated floating structure

Method and system for securing a pipeline to the bed of a body of water

Laying vessel for laying pipelines on the bed of a body of water, and laying vessel operating method

Methods, apparatus and systems for conveying fluids

River bottom siphon for hydro-electric generation and irrigation

LAYING OFFSHORE PIPELINES

Method and apparatus for performing burial assessment surveys

Flexible pipeline for oil and gas transportation stabilized on seabed by anchorage pier

Underwater cable deployment system and method

Abandonment and recovery system

Marine pipeline installation system and methods

Apparatus and method of laying an elongate article from a vessel

Ship having a deck comprising a cavity with a built-in rotary plate

PIPE ELEMENT FOR CONSTRUCTING A DOUBLE WALLED PIPELINE

Modular device for the storage and handling of a plurality of flexible pipes

DAMAGE PREVENTION IN SUBSEA CABLES AND SIMILAR ELEMENTS DURING LAYING OR RETRIEVING

Method of laying a hybrid pipeline on the seabed

Method for planarizing unevenness of the seabed

Seabed-to-surface linking equipment including a flexible pipe guiding structure

Gripper for continuous elongated members, vehicle movable along a continuous elongated member, and method of advancing the vehicle

Method for laying a pipeline on the seabed and a pipeline installation device

Method and system for laying underground a continuous elongated member in a bed of a body of water

TRANSPORTING AND INSTALLING FLEXIBLE PIPE

Apparatus and methods for an ocean bottom seismic sensor deployment vehicle

Method and system of laying underwater pipelines in the bed of a body of water

METHOD FOR PLANARIZING UNEVENNESS OF THE SEABED

Pipeline connection apparatus and method

Marine pipeline installation system and methods

Diver operated jetting sled and method

Pipe structure and methods of laying and use of a pipeline including such a pipe structure

Stab and hinge-over pipeline and terminal assembly

Method For Triggering and Controlling the Lateral Buckling In Underwater Pipelines

Remotely operated deployment system and method of use

Device for thermal insulation of at least a submarine pipeline comprising a phase-change material confined in jackets

Method and device for anchoring a pipeline

Underwater anchoring assembly and methods

Integrated immersed tube coupling and installation method thereof as well as installation closure method of immersed tube coupling

Method and system for anchoring a pipeline at a subsea location