Offshore

Offshore

Offshore

Working offshore on one of our vessels means that you are at the heart of the action and taking an active part in shaping the future of the offshore industry. Our offshore crew members are dedicated and determined to get the job done efficiently without losing sight of safety.

On board the vessels, our marine and construction crew work 12-hour shifts based on a schedule of five weeks on and five weeks off.

Marine crew
The marine crew comprises three main teams: nautical, technical and catering. The nautical crew is responsible for sailing the vessel; the technical crew (engineers and mechanics) maintains the installations and equipment on board such as the main engines and electrical plant; the catering crew (cooks and stewards) provides catering and cleaning related services for all crew on board.

Construction crew
The construction crew co-ordinates and executes all the preparatory work in the pipeline factory, providing the services necessary for the vessel to execute Allseas’ core business, pipeline installation. To this end, welders work together with bevel machine operators, coating operators, riggers and quality inspectors.

Offshore

Specialized hardware for automatic, semiautomatic, or manual control.

MPD systems

Enable automatic, semiautomatic, or manual control with engineered software and specialized hardware.

ATR RCD

Above-tension-ring RCD

18 3/4-in surface rotating control device that can be used for land, jackup, and platform rigs, as well as above-tension-ring floater applications.

HOLD

Remotely operated annular control device

A remotely operated clamping system for improved safety in wellbore fluids containment applications.

VERSA-CHOKE

Modular drilling choke technology

Meet advanced well control objectives in HPHT and MPD drilling environments.

SUPER MUD/GAS SEPARATOR

High-capacity unit

Increase gas- and liquids-handling capacities and enable the immediate sale of gas during drilling operations.

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Pipeline design and engineering

Our team of highly skilled engineers provide complete design solutions for some of the most challenging pipeline systems in the world, both in-house and by managing subcontracts with specialised

Pipeline installation

Pipeline installation Allseas has installed over 20,000 km of subsea pipeline worldwide using S-lay technology, with diameters ranging from 2” to 48”. S-lay is characterised by

Pipeline protection

Pipeline protection In most parts of the world where oil and gas production takes place, there are many existing pipelines and cables on the seabed that must be crossed when installing a new

Subsea installation

Subsea installation The offshore industry is experiencing a continuous move into deeper waters, more remote and hostile environments and more complex field developments. This trend presents new

Specialised pipelay operations

Specialised pipelay operations Increasingly, oil and gas companies are prospecting and producing in areas that until recently would have been considered uneconomic or even impossible to explore.

Survey and subsea operations

Survey and subsea operations Allseas has a comprehensive range of vessel-based remotely operated vehicles (ROVs) and survey equipment utilising the latest high-specification sensors and equipment.

Heavy-lifting - Installation

Installation Offshore installation varies with the type of development involved. Fixed platforms have the most work involved; jackets and topside decks need to be transported to the well location.

Heavy lifting - Removal

When oil and gas fields end production, their facilities need to be removed and disposed of (or recycled), a process known as “decommissioning”. Decommissioning of offshore structures is

Innovations

Developing innovative new technologies and processes allows Allseas to stay ahead of the game by reducing cost and risk, while at the same time improving efficiency and operational performance.

Fabrication

Fabrication Our fabrication unit employs more than 200 people and provides a variety of activities in support of Allseas’ offshore operations. Custom-made subsea structures such as pipeline

Deep-sea polymetallic nodule collection

Renewable energy technologies that can drive the global energy transition will require a significant increase in the production of metals, some of which are scarce or only available in a few

Allseas river plastics removal project

Working every day at sea, Allseas witnesses first-hand the devastating effect plastic pollution is having on the world’s oceans and marine life. Plastic pollution is a global problem, and we

Processing & Separation

Comprehensive oil, gas, water, and solids solutions wherever you need them Processing performance matters. Invest and derisk surface facility processing with services and solutions that

Production Systems

Production is about bringing a well to life and sustaining it for as long as feasibly possible. That takes soundly planned, accurately executed techniques with precision equipment to keep

Production Chemicals

Production technologies. Full service. Our integrated production chemical technologies and services provide tangible benefits and assurance to oil and gas operations worldwide, regardless of

Midstream

Supporting midstream—from field separation and gathering through processing and transmission From routine maintenance and upgrades through facility design, construction, and operation,

INTEGRATED WELL INTERVENTIONS

Intervention expertise to maximize asset value Value-driven performance, superior execution. Halliburton delivers integrated well intervention through proprietary workflows, upfront

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Cutting-edge technology and service We deploy Halliburton ESP systems in the most extreme downhole environments. High temperature, immense pressure, fluid-borne abrasives, excessive gas,

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Delivering high performancewith low maintenance Versatile pumping systems for diverse applications Horizontal pumping systems are efficient alternatives to positive displacement,

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High-efficiency geothermal submersible borehole and surface pumps Advanced technology in geothermal pumping systems Halliburton specialists have over 20 years of experience in

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High-efficiency dewatering systems for mining operations Advanced technology in mining pumping systems Our proven pumping systems’ technology helps extend run times,

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Maintain water quality, meet regulatory compliance NSF®-certified ESP systems for the modern municipality Designed and tested in our state-of-the-art Research and Technology Center,

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Next-generation technology in variable speed drives Reliable and flexible with multilevel protection The Summit ESP® adaptive control system, the newest generation of variable

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360° coverage of well operations and 24/7 expert analysis Analyze and understand well conditions Summit ESP® well surveillance and monitoring service uses a holistic

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Upstream Chemicals Maximize asset value with Halliburton’s superior service, specialty chemicals and applications expertise. Our Approach Halliburton starts with a

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Midstream Chemicals Prevent and correct midstream failures with Halliburton midstream chemistry, system modeling, maintenance, and optimization. Midstream-specific

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Downstream Chemicals Halliburton helps enhance downstream operations through water and process treatment programs that deliver specialized chemicals, analysis and more.

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Contract Manufacturing & Wholesale Halliburton provides chemical manufacturers and industrial customers with reaction manufacturing and blend tolling capabilities, including processing

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Value-driven performance, superior execution. Halliburton delivers integrated well intervention through proprietary workflows, upfront planning, and single-point accountability.

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Mitigate the risk of sustained casing pressure Halliburton customizes barrier and zonal isolation solutions to withstand the heavy demands of completion and production.

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Well Intervention Software Software services to increase your well performance TALK TO AN EXPERT Diagnose, design and deliver the best well interventions To maximize asset

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Coiled tubing equipment for well intervention Coiled tubing is one of the most widely used tools in the well intervention sphere, with applications in all areas of the well life cycle. TALK

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Hydraulic workover and snubbing for well maintenance Halliburton Hydraulic Workover (HWO) units are the ideal well intervention solution for well maintenance, live well interventions, and

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Downhole Tools Halliburton delivers optimized high-performance downhole equipment. TALK TO AN EXPERT Customized tool solutions Halliburton provides specialized downhole tools

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Pumping and nitrogen equipment Our pumping and nitrogen equipment fleet features a vast array of equipment, allowing us to select the right tool for the job. TALK TO AN EXPERT

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Capture critical data, drive efficiency, ensure safety Halliburton’s proven data management system provides unprecedented lifecycle control of all joints on any industrial pipework

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Move fluids and gases flawlessly Halliburton can pump, filter, clean, and treat fluids at high, medium, and low pressures at a wide range of flow rates. Advanced engineering

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Address contamination effectively and safely Halliburton removes contamination within any process system configuration, from carbon and stainless steel to the most exotic alloys.

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Meet the most demanding requirements Global specialists and research facilities provide a range of pre-commissioning, commissioning, cleaning, maintenance and decommissioning solutions.

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Protect systems and pipework Halliburton provides process specialists, technology, and services across multiple operational bases in every region of the world. Complete,

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Execute flawlessly in challenging environments. Halliburton provides expert flow remediation, chemical injection, pre-commissioning, and subsea umbilical, riser, and flowline (SURF)

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Streamline FPSO operations From the shipyard to the field, Halliburton designs our integrated FPSO solutions to avoid supply chain bottlenecks and ensure on time leak-free startups.

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Achieve seamless operations through the entire lifecycle Halliburton provides a range of topside and subsea services to cover a liquefied natural gas (LNG) project from inception to end of

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Reduce down time, ensure optimum performance Through advanced technologies and integrated services, Halliburton can extend production runs, reduce energy costs, and extend asset lifecycles.

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Sure™ Chemical and Gel Technology Innovative solutions engineered to maximize transportation and production performance Delivering assurance Halliburton Pipeline and

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