Page 81: of Maritime Reporter Magazine (August 2015)

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sensors failures, and the industry is now able? Will data be transmitted wirelessly There are numerous applications for expected position, heading and response assessing ways of monitoring mooring or through a hardwired connection? Last machine learning algorithms. In fact, can be compared back to the measured line break detection as opposed to mea- but not least, where is the most practi- BMT is using them in the ? eld to im- position for the given environment. If suring mooring tension in a hope that the cal location to place the sensors without prove predictions of tension beneath the the difference exceeds a predetermined sensors will be more robust. However, compromising safety or the quality of buoyancy can on a free-standing hybrid threshold, an advisory can be issued on many of the challenges of installing and the measurement? riser tower. the mooring system integrity.

maintaining these types of monitoring To meet the growing demand for a cost pIn the context of mooring monitor- In conclusion, with mooring integrity systems still need to be addressed. effective and reliable means of monitor- ing, work conducted on a turret moored now under a renewed emphasis within

Typical requirements for mooring ing mooring system integrity, BMT has FPSO, where a mooring line monitoring the oil and gas industry, there is a height- integrity monitoring of permanently developed a novel system to assimi- system was installed by BMT, showed ened need for a robust and cost effective moored ? oating systems encompass the late data from a range of topside-based that an RLS can estimate mooring line mooring integrity monitoring solution need to measure mooring line tension sensors (which monitor factors like the tension to within 30kN using only posi- for both new-build and existing instal- and/or behavior, and to transmit this data environment, position, vessel motions, tion and draft as inputs. lations. to the facilities topside for display and draft and available mooring line infor- Excursion monitoring can also be The application of an RLS to monitor archiving. Monitoring systems therefore mation) into a topside Response Learn- used as an indirect way to monitor the mooring system integrity builds upon need to be conceived to withstand high ing System (RLS). integrity of the mooring system. Simple BMT’s many years of experience in structural loads as well as harsh sea- This system uses machine learning and watch circle monitoring systems do not providing custom designed and custom states for the design life of the facility. cognitive science to learn the response of integrate metocean and vessel motions built Integrated Marine and Mooring

This is achieved through robust design, a system as well as the inter-dependen- data to verify that the vessel offset from Line Monitoring Systems to the deep- proper installation and periodic main- cies of the numerous data sources. As its moored origin is as should be expect- water offshore oil and gas industry. With tenance and servicing once in service. a result, it is possible to estimate the be- ed, given the environmental loading and the rapid advances in computing power

Key questions to ask when selecting a havior of a system (? oating production mooring stiffness. and data telemetry, the development of system include: is the system for a new- facility) given a set of impulses (envi- Furthermore, should the offset from a topside based mooring integrity moni- build or a retro? t? Is position or incli- ronmental loads from combined action design origin shift slightly in benign con- toring system like that described above nation suf? cient, or is a measurement of of wind, wave and current) provided the ditions, a watch circle processor would is a natural progression and further un- in-line tension required? Can the system RLS has suf? cient measured marine data not be able to indicate a change in the locks the inherent value of data acquired be diver or ROV deployable or service- for learning. mooring system. By using an RLS, the by real-time monitoring systems.

Request for Quotation for the

Top End Overhauls


Two (2) 3508B Caterpillar Generator Sets

Engines On Board R/V Kilo Moana

In Honolulu, Hawaii

In the December 2015 May 2016 Time Frame

POC for detailed RFQ - M. Banas 808-842-9816 or 808-436-9226,

Proposal Closing Time and Date 1530 31 August 2015 Hawaii Local Time 81

MR #8 (74-81).indd 81 MR #8 (74-81).indd 81 8/10/2015 10:08:43 AM8/10/2015 10:08:43 AM

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