NDLI: Identification of oil spills from offshore installations. Presentation of methods and preliminary results from the osis, “oil spill identification sensor” project

Content Provider	IEEE Xplore Digital Library
Author	Holst, J.
Copyright Year	2004
Description	Author affiliation: OSIS Int., Vejle, Denmark (Holst, J.)
Abstract	The key driver behind the development of the OSIS sensor system was to pursue implementation of the MARPOL 73/78 annex 1 protocol on offshore installations in line with what is already implemented on vessels. Due to the high number of offshore installations within the “Special Areas” these installations have so far been subject to exemption from the MARPOL 73/78 annex 1 directive. The main reason for this regulative exemption is the lack of surveillance methods capable of monitoring oil spills from offshore installations effectively. The objective for the OSIS project is to develop and demonstrate a sensor system mounted directly on offshore installations performing 24hours a-day surveillance, hereby providing the means to remove the legislative exemption. A functional model of the OSIS sensor system was built in 2003 and tests are currently being performed onshore as well as offshore demonstrating the capability of the system to identify and measure volume of oil spills effectively. The input to the OSIS system is collected by a Sensor Pack based on advanced microwave sensors placed on the offshore installation. The Sensor Pack is continuously monitoring the surrounding waters measuring both area and volume of oil spills. Based on data from the Sensor Pack a rule based pattern recognition system identifies the oil spill. When an oil spill is detected pictures are transmitted to an onshore based Central Server. In the paper various sensor types and oil detection systems are discussed and the resulting components in the OSIS system are presented. Governmental and non-governmental target groups can have access to the info screens illustrated below via a traditional web interface. The end user is presented relevant information about the location of the rig, status of the sensor measurements and in case of an oil spill, the estimated contamination area and amount spilled. Data is transmitted into an onshore database by a satellite link from a local positioned master unit, gathering data from up to 16 sensors placed on different offshore rigs. The OSIS sensor system has been tested under controlled input conditions by discharging various amounts and types of oil on a water surface. The paper will present these results and discuss what accuracy can be expected from the oil volume measurements. The OSIS demonstration project was started in December 2001 after receiving commitment from the Danish Environmental Protection Agency and Danish Energy Agency to build a prototype system. With financial support from LIFE Environment and the Ministry of Science Technology and Innovation, OSIS International pursued the objective of designing a sensor that was able to monitor oil spills from offshore installations.
Starting Page	1
Ending Page	6
File Size	1226647
Page Count	6
File Format	PDF
DOI	10.1109/BALTIC.2004.7296840
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-15
Publisher Place	Lithuania
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Oil spill Water Fixed structures Environmental Continuous Real-time Microwave OSIS On-line Remote sensing Thickness measurement Temperature measurement Offshore installations Surveillance Volume measurement Open systems Radar Brightness temperature Detection Monitoring Special areas Radiometer
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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