Jereh's First Workclass ROV Launch And Recovery System Was Successfully Operated In East China Sea
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2022/07
30Results
Offshore Services（25）
News and Media （5）
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The successful delivery of the CFUV ROV (Launch and Recovery System) independently developed and manufactured by Jereh Offshore
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2021/12
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Big news! The pre-commissioning project for 2000 meter deep water application of Jereh Offshore was completed and successfully completed in the deep water simulation test. Oct.29th,2019
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2019/10
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Jereh offshore engineering has achieved a major technical breakthrough in the field of subsea pipeline pre-commissioning for deep-sea oil and gas field development. Nov. 20th,2018
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2018/11
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Jereh offshore signed strategic cooperation with Yantai Salvage Bureau.Open a new chapter in Marine Engineering. Mar. 20th,2019
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2018/03
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Abrasive Water Jet
AWJ has been widely used in many fields such as industrial cleaning, water jet cutting, especially for the offshore platform decommissioning, etc. It's mainly involved in cutting casing pipe, pile and jacket, etc.
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Rig-less lifting Equipment
In the P&A stage, the rig-less lifting equipment can replace the drilling rig to lift the casing, which reduces the cost and improves the working efficiency. It cooperates with cutting tool to complete the casing disposal through hoisting and segmented cutting.
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Ultrahigh Pressure Cleaning Equipment
With the advantages of high quality, efficiency and cleanness, the ultrahigh pressure cleaning equipment serves to remove the sludge and attachment, plankton, rust and paint and surface napping.
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Diamond Wire Saw
DWS is suitable for cutting different materials, and able to work in different environments, which has been widely applied in offshore platform decommissioning, pile cutting, underwater structures cutting, upper platform structures cutting, subsea pipeline removal, oil & gas pipeline cutting, marine construction, etc.
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LARS
ROV Launch & Recovery System enables to remove from the ship inside to outboard (or the reverse process) by the launch and recovery of the umbilical cable to realize the ROV release and retraction between the deck and water surface. The system includes A-frame, winch and hydraulic power unit. It is designed in accordance with DNV standards and is certified by DNV Classification Society, which works stably under very rough sea conditions. T The whole operation process is remotely controlled by wireless, which is more convenient, efficient and safe.
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Dual Pin Drill
The operation mode of Dual Pin Drilling is adopted for drilling tools, which has a solid structure and can effectively save drilling time. It is suitable for offshore operation conditions, and can meet the requirements of drilling hoisting in the recovery process of jacket and casing.
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Tensioner System
The tensioner and the cable roller launch & recovery unit can transfer the steel ropes or umbilical cables from the storage roller to the roller of the winch. The hydraulic constant tension control technology and new materials and parts such as MGB, bolt type curve roller bearing and expansion sleeve to ensure the steel ropes or umbilical cables are arranged tightly and orderly.
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Hydraulic Shear
As an efficient removal tool, the hydraulic shear features easy assembly, strong shear capability and wide application. It can not only cut floating & underwater structures such as round steel, steel pipe, channel steel but also work at 3000m underwater.
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Diamond Wire Saw
DWS is suitable for cutting different materials in different environments, including deep water and onshore. It can be applied in offshore platform decommissioning, pile cutting, underwater structure cutting, superstructure cutting, bridge base removal, oil and gas pipeline cutting, and marine construction, etc.
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Loop Cutting Equipment
As a new type of equipment for pile pipe cutting, the loop cutting equipment can be lowered to the cutting position by the guide structure to achieve cutting through the rotation of cutting tool.
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Oil Purifier
The oil purifier is a special equipment for purifying fuel oil in oil and gas industry. It mainly separates the impurities, water and water solubles in the fuel oil based on their different densities to purify the fuel, improving the performance of engine or gas turbine and extending the life. This system comes with cleaning and purification functions, with a long maintenance cycle, high efficiency, and low operating costs.
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Coiled Tubing Lifting Frame
The coiled tubing lifting frame, also known as the tension frame, is designed for use in semisubmersible ships or drilling ships. Its upper part is connected to the top drive system, and the lower part is connected to the production test tree or wellhead assembly, which has the role of lifting and carrying the weight of the standpipe system. The frame is equipped with an injector platform, which is convenient for the injector installation and removal from the wellhead, providing a safe working space for coiled tubing operations and greatly improving production efficiency.
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Spilled-oil Recovery Unit
The spilled-oil recovery unit includes automatic subsea hole opener, power pack, and underwater heating system. By the umbilical cable to transfer subsea signals and hydraulic power, the adjustment and hole opening operation of the subsea hole opener are completed by the remote command from the water surface. The hot steam and heating coil are used to increase the fluidity of heavy oil and improve the oil pumping efficiency.
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Underwater BOP Intervention Skid
The emergency rescue for BOP is one of the important functions of the offshore drilling platform. The BOP intervention skid is the only device that can quickly shut down the BOP while the control system fails. It includes the following two working modes.
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Underwater Hydraulic Tensioner
With modular design, the underwater hydraulic tensioner is equipped with clamping head and tensioning head, reducing the time of replacing the overall unit and improving the operation efficiency. It is often used in the salvage and dismantling of deep sea shipwrecks, pipes and cables.
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Underwater Hydraulic Shear
The hydraulic shear is a underwater rescue tool to provide shear force. Cooperating with ROV system, it's capable of cutting underwater structures of different diameters. The key components of the shear are made of high-strength materials such as alloy steel and titanium alloy to meet the anti-corrosion requirements of the marine environment, reducing its weight and improving the convenience of operations.
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Subsea Pigging Skid
The subsea pigging skid consists of seawater filter, centrifugal pump, venturi tube, flowmeter, pressure gauge and data acquisition system. Water filling procedures include automatic filling and auxiliary filling through centrifugal pump. The air and debris in the pipeline are exhausted and removed by the pigging ball during operation. Water filling and pigging can be completed separately or together.
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Subsea Mud Penetrator
The subsea mud penetrator is widely used for salvaging the sunken ship and clearing obstacles in ports and navigation channels. It includes the launch & recovery system, underwater monitoring system, mud system, hydraulic system, umbilical & spiral winch system and subsea injector. It is of reliable performance, high automation and strong drilling ability.
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Gas Turbine Genset
The Siemens SGT-A05 aeroderivative gas turbine is applied to provide ideal solutions for distributed power generation, which can be applicable to different scenes such as continuous power generation, combined cycle, combine hear and power, emergency power, etc. At present, this aeroderivative gas turbine has been successfully delivered to 53 countries and regions around the world and the total running time is more than 130 million hours.
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Slop Treatment Unit
The Slop Treatment Unit (STU) is a system specially-designed to treat production or domestic wastewater by three-phase separation of the disc centrifuge. The oil content of the treated water is analyzed online by the oil-in-water analyzer to determine whether the treated water meets the requirements of the MRPOL convention. The qualified water will be discharged to the sea, and the unqualified one be returned for further treatment. At the same time, the separated oil is recovered, which is suitable for offshore engineering such as FPSO, FLNG, drilling platform and production platform.
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High Temperature Penetration Equipment
As a new type of cutting equipment, the high temperature penetration equipment is applicable for marine and land rescue, wreck salvage, and waste structure disposal, etc.
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Dirty Work Pack (DWP)
DWP is the transition module installed between ROV and SFHM (Subsea flooding and hydrotest module), eliminating the hydraulic oil from moving to each other, and ensuring that the hydraulic oil of ROV is free from contamination.
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HP Water blasting Equipment
High pressure cleaning equipment use the impact of high pressure water jet to destroy the adhesion between the object to be removed and the steel plate, carries away the object to be removed through the fluidity of water.It can be used for removing silt and attachments of sunken ship board and structures, removing paint and rust from drilling platforms, etc.
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Subsea Distribution Unit
The subsea distribution unit includes ship Downline subsea pressure test channel and subsea hydrostatic testing unit pressure test channel. This unit has one 2" and one 1" output channel, and the expandable channels have been reserved. Each channel is integrated with temperature sensor and pressure sensor, enabling the pressure of multiple subsea pipelines to be tested simultaneously.
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Subsea Cleaning Unit
The subsea cleaning unit consists of seawater filter, subsea piston pump, pressure sensor, and data acquisition system. It serves to destroy the adhesion between objects to be removed and subsea pipeline through flushing from high-pressure water jet and remove the objects through water flowability. The operation process is of high quality, high efficiency and cleaning.
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