Page 57: of Marine Technology Magazine (April 2016)

WFS Cuts Cost of Monitoring life of subsea wireless systems to up 15 DT340 for you to grease or replace.

Pipeline Temperature years. Systems are depth rated to 200m Similarly, the optional tracks system is

WFS Technologies (WFS) launched or 1,000m, are compact and weigh less made from steel cord reinforced poly-

Seatooth PipeLogger Thermal Insula- than 5 kg in seawater. They are suitable urethane, ready to maneuver over any tion (TI), an asset integrity monitoring for deployment by mini-ROV operating obstacles you may encounter.

and ? ow assurance product designed to off a rig or small vessel or by diver. De- reduce the cost of monitoring process ployment and recovery is facilitated by The JW Fishers Way temperature of subsea pipelines and use of diver straps or ROV clamp. An Two pieces of equipment that have jumpers with up to two inches of ther- optional protection cover is available for proved effective tracking subsea pipes mal insulation. systems buried in the seabed, under con- and cables are the pinpointing magne-

The Seatooth PipeLogger TI incorpo- crete blankets or under rubble. tometer and the cable tracker from JW rates an RTD (Resistance Temperature Target applications include subsea Fishers. The pinpointing magnetometer

Device) housed in a novel mount de- pipeline temperature pro? le monitoring, is a sensitive instrument that locates iron signed to trap heat from the insulated upheaval buckling monitoring, replace- and steel pipes buried up to 16 ft. in the pipeline. Process temperature is mea- ment of broken process temperature bottom, and the cable tracker is power- sured without penetration of thermal sensors and over-temperature monitor- ful enough to detect a power or commu- insulation or pipe wall. Each system is ing of ? exible. nications cable at more than 30 ft. away. calibrated to provide an accuracy of bet- One company using the cable tracker ter than 10 percent and repeatability of New Pipe Crawler Launched is Marine Technologies Inc. (MTI), a better than 2DegC. An integrated data Deep Trekker Inc. announced the un- commercial diving company and heavy logger records process and seawater veiling of a new breed of pipe crawlers marine contractor in Baltimore, Md. temperature. now available in the U.K. from Planet President Terry Clark said, “We recently

Data is harvested wirelessly by diver, Ocean Ltd. The DT340 Pipe Crawler is used our CT-1 on a project in New York

ROV or AUV using Seatooth subsea completely self-contained in two carry- tracking utility lines running under the radio. Alternatively, the system can be ing cases, requiring no dedicated service Hudson River near the new Tappan Zee con? gured to provide real time data truck to operate. Along with onboard Bridge. Once all of the existing lines through a Seatooth-enabled Subsea con- batteries, the system requires no genera- were successfully located with the cable trol module (SCM). The wireless com- tors or additional power source. tracker, our team installed 15,000 feet munications range of standard Seatooth LED shadow-less illumination is de- of new ? ber optic cable six feet below devices through seawater, the seabed, signed to make it easier to examine en- the natural bottom of the river. We chose concrete blankets and the splash zone is tire pipe system in detail with the static Fishers cable trackers because of their 5-10 meters. Wireless communications camera or optional pan and tilt camera. reliability and ease of operation, which range can optionally be extended to 35 From the handheld controller, adjust the are important with the remote locations meters through seawater or 150 meters LED brightness, zoom into areas of in- we often work in. We have several CT-1 through the splash zone. terest and adjust the focus on demand. trackers and have used them on projects

The Seatooth PipeLogger TI incorpo- Magnetically coupled wheel drives re- in places as far away as South America rates Seatooth Endure, innovative tech- quire zero maintenance, meaning there and Europe. Over the years they have nology designed to extend the battery are no dynamic seals anywhere on the performed ? awlessly for us.”

Seatooth PipeLogger Thermal Insulation. Deep Trekker DT340 Pipe Crawler.

Planet Ocean

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Marine Technology Reporter 57

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