The Experts below are selected from a list of 9384 Experts worldwide ranked by ideXlab platform
Jin Wang - One of the best experts on this subject based on the ideXlab platform.
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application of madm in a fuzzy environment for selecting the best barrier for Offshore wells
Expert Systems With Applications, 2012Co-Authors: Seyed Mohammadreza Miri Lavasani, Jin Wang, Zaili Yang, Jamie FinlayAbstract:Highlights? A solution to the aggregation of different expert opinions in Offshore Safety. ? Findings of all the important cost and benefit criteria in Offshore Safety analysis. ? Prioritisation of Offshore well barriers (risk control options). ? Feasibility study of FMADM approach in Offshore Safety management. A fuzzy Multi Attribute Decision Making (FMADM) method, which is suitable for treating group decision making problems in a fuzzy environment, is proposed for ranking Offshore well barriers from a cost-benefit view point. It is obvious that much knowledge in the real world is fuzzy rather than precise. MADM decision data is usually fuzzy, crisp, or a combination of the two. A useful model is proposed here in order to handle both fuzzy and crisp data. Imprecision and ambiguity in the calculation of a performance rating are incorporated into MADM whereby fuzzy set theory provides a mathematical framework for modeling them. Human opinions often conflict in group decision-making. The purpose of fuzzy MADM is to aggregate the conflicting opinions. In general, one expert's opinion for a given attribute may be different from others'. Therefore, it is necessary to develop an appropriate method of aggregating multiple experts' opinions, taking into account a degree of importance of each expert in the aggregation procedure. The weights of all attributes and experts are estimated using a Fuzzy Analytical Hierarchy Process (FAHP). Finally, the best well barrier or risk control option (RCO) with respect to cost and benefit is selected using a Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method.
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Risk-based verification of large Offshore systems
Proceedings of the Institution of Mechanical Engineers Part M: Journal of Engineering for the Maritime Environment, 2012Co-Authors: Jin Wang, Ben Matellini, Alan Wall, James PhippsAbstract:This paper begins with a very brief review of the current status of Offshore Safety with particular reference to the UK sector. The risk-based verification concept is then described. Following identification of the research needs, a general risk-based verification framework is proposed with appropriate risk assessment contents incorporated into it. An example is then followed to demonstrate the proposed framework. The Health, Environment and Safety Information System (THESIS) software package is also used to facilitate the implementation of the framework. Finally, both the benefits and the limitations of risk-based verification in Offshore applications are highlighted. The emphasis of the paper is focused on industrial applications.
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Maritime Risk Modelling and Decision Making
Quality and Reliability Engineering International, 2006Co-Authors: Jin WangAbstract:In this paper, following a brief review of some notable marine and Offshore accidents, the current status of maritime risk assessment is examined. Both the Offshore Safety case approach and formal Safety assessment used in shipping are described. Discussions on relevant current research progresses in maritime risk assessment are then given.
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Maritime Risk Assessment and its Current Status
Quality and Reliability Engineering International, 2006Co-Authors: Jin WangAbstract:In this paper, following a brief review of some notable marine and Offshore accidents, the current status of maritime risk assessment is examined. Both the Offshore Safety case approach and formal Safety assessment used in shipping are described. Discussions on relevant current research progress in maritime risk assessment are then given. Copyright © 2006 John Wiley & Sons, Ltd.
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An Offshore Safety assessment framework using fuzzy reasoning and evidential synthesis approaches
Journal of Marine Engineering and Technology, 2005Co-Authors: Jan Ren, Ian Jenkinson, Jin Wang, How Sing Sii, Jianbo YangAbstract:The operation of tandem loading/offloading is associated with a high level of uncertainty because it usually operates in a dynamic environment in which both technical, and human and organisational,...
Rachael Gordon - One of the best experts on this subject based on the ideXlab platform.
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Evaluation of psychosocial and organizational factors in Offshore Safety: a comparative study
Journal of Risk Research, 2004Co-Authors: Kathryn Mearns, Rachael Gordon, Rhona Flin, Torbjørn Rundmo, Mark D. FlemingAbstract:This study compares UK and Norwegian Offshore workers' evaluations of social and organizational factors that can have an impact upon Safety on Offshore installations. A total of 1138 Norwegian (87% response rate) and 622 UK workers (40% response rate) responded to a self-completion questionnaire, which was distributed to 18 installations in February/March 1994. The questionnaire contained six scales that were suitable and relevant for the purposes of comparison. These scales measured ‘risk perception’, ‘satisfaction with Safety measures’, ‘perceptions of the job situation’, ‘attitudes to Safety’, ‘perceptions of others' commitment to Safety’ and ‘perceptions of social support’. The data show clear differences in how UK and Norwegian workers evaluate various social and organizational factors that can have an impact upon Safety, however, eta2 analysis indicated that for most of the scales ‘installation’ explained a greater percentage of the variance than sector. The exceptions to this were scales measuring ...
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Measuring Safety Climate on UK Offshore Oil and Gas Installations
All Days, 1998Co-Authors: Rhona Flin, Rachael Gordon, Kathryn Mearns, Mark D. FlemingAbstract:Abstract Recent developments in the UK Offshore oil and gas industry have focused on leading rather than lagging indicators for Safety. One method of assessing the state of Safety on a given installation is to assess the prevailing Safety climate, by asking the workforce about their attitudes to risk, Safety management, supervision, procedural compliance etc. This paper reports the final results of a Safety climate survey on the UKCS supported by the UK HSE Offshore Safety Division and BP, British Gas, Conoco, Coflexip Stena, Elf, Texaco, Total and the Offshore Contractors Association. Analysis of 722 responses to the "Offshore Safety Questionnaire" (OSQ) indicates key factors in Safety management which should be addressed in a programme of human factors initiatives. The OSQ can be used as part of an installation's Safety condition monitoring and opportunities to include this as part of an Offshore Safety benchmarking project will be discussed.
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Risk perceptions of Offshore workers on UK oil and gas platforms
Risk Analysis, 1998Co-Authors: Mark Fleming, Kathryn Mearns, Rhona Flin, Rachael GordonAbstract:This paper reports the first investigation of risk perception by workers on Offshore oil and gas installations on the UK Continental Shelf, following changes in Offshore Safety legislation in the wake of the Piper Alpha disaster in 1988. The Offshore Safety Case regulations (Health and Safety Executive, 1992, A Guide to the Offshore Installations (Safety Case) Regulations) put the onus on the operator to identify the major hazards and to reduce the risks to As Low As is Reasonably Practicable (ALARP). The regulations specifically state that Quantitative Risk Assessments (QRA) must be used when preparing the Safety Case. However, people do not use QRA when making everyday judgements about risk; they make subjective judgements known as risk perceptions, which are influenced by a number of different factors. This study was designed to complement the extensive QRA calculations that have already been carried out in the development of Safety Cases. The aim was to measure subjective risk perception in Offshore personnel and examine how this relates to the more objective risk data available, namely accident records and QRA calculations. This paper describes the Offshore Risk Perception Questionnaire developed to collect the data and reports on UK Offshore workers' perceptions of the risks associated with major and minor hazards, work tasks and other activities aboard production platforms.
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risk perception and Safety in the uk Offshore oil and gas industry
International conference on health safety and environment in oil and gas exploration and production, 1996Co-Authors: Rhona Flin, Rachael Gordon, Kathryn Mearns, Mark FlemingAbstract:This paper presents a selection of the final results from a study of risk perception and Safety attitudes in workers on UKCS Offshore oil and gas platforms, which was sponsored by the HSE Offshore Safety Division, Amerada Hess, British Gas, BP, Conoco, Elf Enterprise and Total Oil Marine. The study was designed in conjunction with Dr Rundmo of Trondheim University who was carrying out a matched survey with Norwegian Offshore workers for the Norwegian Petroleum Directorate`. A representative sample of 622 UKCS workers on six production platforms were surveyed about their job characteristics, perceived risks, Safety attitudes, Safety satisfaction, accidents and injuries and the Safety Case. The results indicate that the relative feelings of Safety in relation to major hazards (e.g. explosion, blow-out) are aligned with QRA calculations. In general, the workforce feel safe but are aware of the hazards in their environment. Further analyses and statistical modelling indicates that organizational factors (e.g. management commitment to Safety, Safety attitudes) have the greatest direct effect on workers perception of risk and their satisfaction with Safety measures. The British and Norwegian data sets are now being merged and preliminary findings will be mentioned. To explore the emerging issues further, a new studymore » on human factors in UK Offshore Safety has just been launched with the support of OSD, OCA and six operating and contractor companies. A brief outline will be presented.« less
Kathryn Mearns - One of the best experts on this subject based on the ideXlab platform.
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Health and well-being in the Offshore environment: the management of personal health
2005Co-Authors: Kathryn Mearns, Lorraine HopeAbstract:The current study was conducted to examine health behaviours and health management practices on Offshore installations on the UKCS. The research was fully sponsored by Offshore Safety Division of the UK Health and Safety Executive and constitutes the first phase of a project to examine the relationships between the management of both Safety and health in the Offshore environment and the potential outcomes for an employer of investing in workforce health.
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Evaluation of psychosocial and organizational factors in Offshore Safety: a comparative study
Journal of Risk Research, 2004Co-Authors: Kathryn Mearns, Rachael Gordon, Rhona Flin, Torbjørn Rundmo, Mark D. FlemingAbstract:This study compares UK and Norwegian Offshore workers' evaluations of social and organizational factors that can have an impact upon Safety on Offshore installations. A total of 1138 Norwegian (87% response rate) and 622 UK workers (40% response rate) responded to a self-completion questionnaire, which was distributed to 18 installations in February/March 1994. The questionnaire contained six scales that were suitable and relevant for the purposes of comparison. These scales measured ‘risk perception’, ‘satisfaction with Safety measures’, ‘perceptions of the job situation’, ‘attitudes to Safety’, ‘perceptions of others' commitment to Safety’ and ‘perceptions of social support’. The data show clear differences in how UK and Norwegian workers evaluate various social and organizational factors that can have an impact upon Safety, however, eta2 analysis indicated that for most of the scales ‘installation’ explained a greater percentage of the variance than sector. The exceptions to this were scales measuring ...
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Human and organizational factors in Offshore Safety.
Work & Stress, 2001Co-Authors: Kathryn Mearns, Rhona Flin, Rachel Gordon, Mark D. FlemingAbstract:The role of human and organizational factors in predicting accidents and incidents has become of major interest to the UK Offshore oil and gas industry. Some of these factors had been measured in an earlier study focusing on the role of risk perception in determining accident involvement. The current study sought to extend the methodology by focusing on perceptions of organizational factors that could have an impact on Safety. A self-report questionnaire was developed and distributed to 11 installations operating on the UK Continental Shelf. A total of 722 were returned (33% response rate) from a representative sample of the Offshore workforce on these installations. The study investigated the underlying structure and content of Offshore employees' attitudes to Safety, feelings of Safety and satisfaction with Safety measures. Correlations and step-wise regression analysis were used to test the relationships between measures. The results suggest that 'unsafe' behaviour is the 'best' predictor of accidents/...
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Measuring Safety Climate on UK Offshore Oil and Gas Installations
All Days, 1998Co-Authors: Rhona Flin, Rachael Gordon, Kathryn Mearns, Mark D. FlemingAbstract:Abstract Recent developments in the UK Offshore oil and gas industry have focused on leading rather than lagging indicators for Safety. One method of assessing the state of Safety on a given installation is to assess the prevailing Safety climate, by asking the workforce about their attitudes to risk, Safety management, supervision, procedural compliance etc. This paper reports the final results of a Safety climate survey on the UKCS supported by the UK HSE Offshore Safety Division and BP, British Gas, Conoco, Coflexip Stena, Elf, Texaco, Total and the Offshore Contractors Association. Analysis of 722 responses to the "Offshore Safety Questionnaire" (OSQ) indicates key factors in Safety management which should be addressed in a programme of human factors initiatives. The OSQ can be used as part of an installation's Safety condition monitoring and opportunities to include this as part of an Offshore Safety benchmarking project will be discussed.
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Risk perceptions of Offshore workers on UK oil and gas platforms
Risk Analysis, 1998Co-Authors: Mark Fleming, Kathryn Mearns, Rhona Flin, Rachael GordonAbstract:This paper reports the first investigation of risk perception by workers on Offshore oil and gas installations on the UK Continental Shelf, following changes in Offshore Safety legislation in the wake of the Piper Alpha disaster in 1988. The Offshore Safety Case regulations (Health and Safety Executive, 1992, A Guide to the Offshore Installations (Safety Case) Regulations) put the onus on the operator to identify the major hazards and to reduce the risks to As Low As is Reasonably Practicable (ALARP). The regulations specifically state that Quantitative Risk Assessments (QRA) must be used when preparing the Safety Case. However, people do not use QRA when making everyday judgements about risk; they make subjective judgements known as risk perceptions, which are influenced by a number of different factors. This study was designed to complement the extensive QRA calculations that have already been carried out in the development of Safety Cases. The aim was to measure subjective risk perception in Offshore personnel and examine how this relates to the more objective risk data available, namely accident records and QRA calculations. This paper describes the Offshore Risk Perception Questionnaire developed to collect the data and reports on UK Offshore workers' perceptions of the risks associated with major and minor hazards, work tasks and other activities aboard production platforms.
Rhona Flin - One of the best experts on this subject based on the ideXlab platform.
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Evaluation of psychosocial and organizational factors in Offshore Safety: a comparative study
Journal of Risk Research, 2004Co-Authors: Kathryn Mearns, Rachael Gordon, Rhona Flin, Torbjørn Rundmo, Mark D. FlemingAbstract:This study compares UK and Norwegian Offshore workers' evaluations of social and organizational factors that can have an impact upon Safety on Offshore installations. A total of 1138 Norwegian (87% response rate) and 622 UK workers (40% response rate) responded to a self-completion questionnaire, which was distributed to 18 installations in February/March 1994. The questionnaire contained six scales that were suitable and relevant for the purposes of comparison. These scales measured ‘risk perception’, ‘satisfaction with Safety measures’, ‘perceptions of the job situation’, ‘attitudes to Safety’, ‘perceptions of others' commitment to Safety’ and ‘perceptions of social support’. The data show clear differences in how UK and Norwegian workers evaluate various social and organizational factors that can have an impact upon Safety, however, eta2 analysis indicated that for most of the scales ‘installation’ explained a greater percentage of the variance than sector. The exceptions to this were scales measuring ...
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Human and organizational factors in Offshore Safety.
Work & Stress, 2001Co-Authors: Kathryn Mearns, Rhona Flin, Rachel Gordon, Mark D. FlemingAbstract:The role of human and organizational factors in predicting accidents and incidents has become of major interest to the UK Offshore oil and gas industry. Some of these factors had been measured in an earlier study focusing on the role of risk perception in determining accident involvement. The current study sought to extend the methodology by focusing on perceptions of organizational factors that could have an impact on Safety. A self-report questionnaire was developed and distributed to 11 installations operating on the UK Continental Shelf. A total of 722 were returned (33% response rate) from a representative sample of the Offshore workforce on these installations. The study investigated the underlying structure and content of Offshore employees' attitudes to Safety, feelings of Safety and satisfaction with Safety measures. Correlations and step-wise regression analysis were used to test the relationships between measures. The results suggest that 'unsafe' behaviour is the 'best' predictor of accidents/...
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Measuring Safety Climate on UK Offshore Oil and Gas Installations
All Days, 1998Co-Authors: Rhona Flin, Rachael Gordon, Kathryn Mearns, Mark D. FlemingAbstract:Abstract Recent developments in the UK Offshore oil and gas industry have focused on leading rather than lagging indicators for Safety. One method of assessing the state of Safety on a given installation is to assess the prevailing Safety climate, by asking the workforce about their attitudes to risk, Safety management, supervision, procedural compliance etc. This paper reports the final results of a Safety climate survey on the UKCS supported by the UK HSE Offshore Safety Division and BP, British Gas, Conoco, Coflexip Stena, Elf, Texaco, Total and the Offshore Contractors Association. Analysis of 722 responses to the "Offshore Safety Questionnaire" (OSQ) indicates key factors in Safety management which should be addressed in a programme of human factors initiatives. The OSQ can be used as part of an installation's Safety condition monitoring and opportunities to include this as part of an Offshore Safety benchmarking project will be discussed.
-
Risk perceptions of Offshore workers on UK oil and gas platforms
Risk Analysis, 1998Co-Authors: Mark Fleming, Kathryn Mearns, Rhona Flin, Rachael GordonAbstract:This paper reports the first investigation of risk perception by workers on Offshore oil and gas installations on the UK Continental Shelf, following changes in Offshore Safety legislation in the wake of the Piper Alpha disaster in 1988. The Offshore Safety Case regulations (Health and Safety Executive, 1992, A Guide to the Offshore Installations (Safety Case) Regulations) put the onus on the operator to identify the major hazards and to reduce the risks to As Low As is Reasonably Practicable (ALARP). The regulations specifically state that Quantitative Risk Assessments (QRA) must be used when preparing the Safety Case. However, people do not use QRA when making everyday judgements about risk; they make subjective judgements known as risk perceptions, which are influenced by a number of different factors. This study was designed to complement the extensive QRA calculations that have already been carried out in the development of Safety Cases. The aim was to measure subjective risk perception in Offshore personnel and examine how this relates to the more objective risk data available, namely accident records and QRA calculations. This paper describes the Offshore Risk Perception Questionnaire developed to collect the data and reports on UK Offshore workers' perceptions of the risks associated with major and minor hazards, work tasks and other activities aboard production platforms.
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risk perception and Safety in the uk Offshore oil and gas industry
International conference on health safety and environment in oil and gas exploration and production, 1996Co-Authors: Rhona Flin, Rachael Gordon, Kathryn Mearns, Mark FlemingAbstract:This paper presents a selection of the final results from a study of risk perception and Safety attitudes in workers on UKCS Offshore oil and gas platforms, which was sponsored by the HSE Offshore Safety Division, Amerada Hess, British Gas, BP, Conoco, Elf Enterprise and Total Oil Marine. The study was designed in conjunction with Dr Rundmo of Trondheim University who was carrying out a matched survey with Norwegian Offshore workers for the Norwegian Petroleum Directorate`. A representative sample of 622 UKCS workers on six production platforms were surveyed about their job characteristics, perceived risks, Safety attitudes, Safety satisfaction, accidents and injuries and the Safety Case. The results indicate that the relative feelings of Safety in relation to major hazards (e.g. explosion, blow-out) are aligned with QRA calculations. In general, the workforce feel safe but are aware of the hazards in their environment. Further analyses and statistical modelling indicates that organizational factors (e.g. management commitment to Safety, Safety attitudes) have the greatest direct effect on workers perception of risk and their satisfaction with Safety measures. The British and Norwegian data sets are now being merged and preliminary findings will be mentioned. To explore the emerging issues further, a new studymore » on human factors in UK Offshore Safety has just been launched with the support of OSD, OCA and six operating and contractor companies. A brief outline will be presented.« less
Mark Fleming - One of the best experts on this subject based on the ideXlab platform.
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Risk perceptions of Offshore workers on UK oil and gas platforms
Risk Analysis, 1998Co-Authors: Mark Fleming, Kathryn Mearns, Rhona Flin, Rachael GordonAbstract:This paper reports the first investigation of risk perception by workers on Offshore oil and gas installations on the UK Continental Shelf, following changes in Offshore Safety legislation in the wake of the Piper Alpha disaster in 1988. The Offshore Safety Case regulations (Health and Safety Executive, 1992, A Guide to the Offshore Installations (Safety Case) Regulations) put the onus on the operator to identify the major hazards and to reduce the risks to As Low As is Reasonably Practicable (ALARP). The regulations specifically state that Quantitative Risk Assessments (QRA) must be used when preparing the Safety Case. However, people do not use QRA when making everyday judgements about risk; they make subjective judgements known as risk perceptions, which are influenced by a number of different factors. This study was designed to complement the extensive QRA calculations that have already been carried out in the development of Safety Cases. The aim was to measure subjective risk perception in Offshore personnel and examine how this relates to the more objective risk data available, namely accident records and QRA calculations. This paper describes the Offshore Risk Perception Questionnaire developed to collect the data and reports on UK Offshore workers' perceptions of the risks associated with major and minor hazards, work tasks and other activities aboard production platforms.
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risk perception and Safety in the uk Offshore oil and gas industry
International conference on health safety and environment in oil and gas exploration and production, 1996Co-Authors: Rhona Flin, Rachael Gordon, Kathryn Mearns, Mark FlemingAbstract:This paper presents a selection of the final results from a study of risk perception and Safety attitudes in workers on UKCS Offshore oil and gas platforms, which was sponsored by the HSE Offshore Safety Division, Amerada Hess, British Gas, BP, Conoco, Elf Enterprise and Total Oil Marine. The study was designed in conjunction with Dr Rundmo of Trondheim University who was carrying out a matched survey with Norwegian Offshore workers for the Norwegian Petroleum Directorate`. A representative sample of 622 UKCS workers on six production platforms were surveyed about their job characteristics, perceived risks, Safety attitudes, Safety satisfaction, accidents and injuries and the Safety Case. The results indicate that the relative feelings of Safety in relation to major hazards (e.g. explosion, blow-out) are aligned with QRA calculations. In general, the workforce feel safe but are aware of the hazards in their environment. Further analyses and statistical modelling indicates that organizational factors (e.g. management commitment to Safety, Safety attitudes) have the greatest direct effect on workers perception of risk and their satisfaction with Safety measures. The British and Norwegian data sets are now being merged and preliminary findings will be mentioned. To explore the emerging issues further, a new studymore » on human factors in UK Offshore Safety has just been launched with the support of OSD, OCA and six operating and contractor companies. A brief outline will be presented.« less
