Browsing NTNU Open by Author "Vinnem, Jan Erik"
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A reliability study of a Deepwater Vertical Xmas Tree with attention to XT retrieval rate
Stendebakken, Oda Ingeborg (Master thesis, 2014)The focus of this thesis is towards the subsea Xmas Tree (XT) system. The XT is recognized by the industry as an overall reliable configuration, but as in all development projects, it is a constant battle to optimize the ... -
A systems approach to risk analysis of maritime operations
Rokseth, Børge; Utne, Ingrid Bouwer; Vinnem, Jan Erik (Journal article; Peer reviewed, 2017)Technological innovations and new areas of application introduce new challenges related to safety and control of risk in the maritime industry. Dynamically positioned systems are increasingly used, contributing to a higher ... -
A systems approach to risk analysis of maritime operations
Rokseth, Børge; Utne, Ingrid Bouwer; Vinnem, Jan Erik (Journal article; Peer reviewed, 2017)Technological innovations and new areas of application introduce new challenges related to safety and control of risk in the maritime industry. Dynamically positioned systems are increasingly used, contributing to a higher ... -
Accounting for human failure in autonomous ship operations
Ramos, Marilia Abilio; Utne, Ingrid Bouwer; Vinnem, Jan Erik; Mosleh, Ali (Chapter, 2018) -
Activity-based risk analysis for process plant operations
Haugen, Stein; Edwin, Nathaniel John; Vinnem, Jan Erik; Brautaset, Olav; Nyheim, Ole Magnus; Zhu, Tiantian; Tuft, Vegard Larsen (Journal article; Peer reviewed, 2016)Design of complex technical systems with potential for major accidents, such as nuclear power plants, offshore installations and high hazard process facilities, is often supported by quantitative risk analysis (QRA). This ... -
Allision risk analysis of offshore petroleum installations on the Norwegian Continental Shelf—an empirical study of vessel traffic patterns
Hassel, Martin; Utne, Ingrid Bouwer; Vinnem, Jan Erik (Journal article; Peer reviewed, 2017)The Norwegian Petroleum Safety Authority (PSA) requires offshore petroleum operators on the Norwegian Continental Shelf (NCS) to perform risk assessments of impacts (allisions) between passing ships and offshore installations. ... -
Analysis of Dynamic Positioning System Accidents and Incidents with Emphasis on Root Causes and Barrier Failures
Dong, Yining; Rokseth, Børge; Vinnem, Jan Erik; Utne, Ingrid Bouwer (Chapter, 2017)The accidental statistics from 2003 to 2013 revealed that the frequency of floating production storage and offloadingshuttle tanker (FPSO-ST) collision risk was significantly above the cut-off limit. There is a need for ... -
Analysis of hydrocarbon leaks and verification as an operational barrier
Vinnem, Jan Erik (Journal article; Peer reviewed, 2015)Prevention of hydrocarbon (HC) leaks is important; they are the most critical precursor events that may lead to major accidents, such as the Piper Alpha catastrophe in 1988. The number of HC leaks on offshore production ... -
Building safety in the offshore petroleum industry: Development of risk-based major hazard risk indicators at a national level
Zhen, Xingwei; Vinnem, Jan Erik; Næss, Sturle (Journal article; Peer reviewed, 2019)There has been an important controversy over whether the series of major accidents at Chinese Bohai Bay in 2011, i.e. the Penglai 19-3 and Suizhong 36-1 oil spills, are a sign of systematic safety problems in the Chinese ... -
Challenges with bringing collision risk models used in the north sea and norwegian sea to the Barents Sea
Hassel, Martin; Utne, Ingrid Bouwer; Vinnem, Jan Erik (Journal article; Peer reviewed, 2015)Norwegian offshore oil and gas exploration and production is moving into new and previously unexplored areas further north, such as the Barents Sea. This poses multiple new challenges in design, development and operation. ... -
Combined Risk Indicator for Major Accident Precursors and Barriers in the Trends in Risk Level Project
Stensland, Marius (Master thesis, 2013)Since the ?trends in risk level? project first was started, the weights used to estimate the risk level on the Norwegian Continental Shelf has more or less been the same; five sets of generic weights, one for each type of ... -
Decisions and decision support for major accident prevention in the process industries
Kongsvik, Trond; Almklov, Petter; Haavik, Torgeir K; Haugen, Stein; Vinnem, Jan Erik; Schiefloe, Per Morten (Journal article, 2015)Decision making is a central component in the management of safety-critical operations. Some attempts have been made to employ Quantitative Risk Analysis as input to such decisions. Although adequate for long-term planning ... -
Deriving Verification Objectives and Scenarios for Maritime Systems Using the Systems-Theoretic Process Analysis
Rokseth, Børge; Utne, Ingrid Bouwer; Vinnem, Jan Erik (Journal article; Peer reviewed, 2018)The process applied for verification of maritime systems lacks the ability to properly examine complex networks of interconnections. Verification is mainly focused on single failures of components, not properly accounting ... -
Development of a New Total Risk Indicator for the Trends in Risk Level Project (RNNP) - By utilizing DFU, Barrier Performance and Survey Results Data and incorporating Uncertainty
Andreassen, Elisabeth (Master thesis, 2016)The Trends in Risk Level Project (RNNP) is conducted annually by the Norwegian Petroleum Safety Authority (PSA). The purpose of RNNP is to objectively present offshore risk levels and risk trends on the Norwegian continental ... -
Dynamic risk analysis for operational decision support
Haugen, Stein; Edwin, Nathaniel John; Vinnem, Jan Erik; Brautaset, Olav (Chapter, 2017)Safe design of complex technical systems with a potential for major accidents is often supported by Quantitative Risk Analyses (QRA). The QRA has developed over several decades and the offshore oil and gas industry in ... -
Emergency preparedness in Arctic oil and gas exploration
Ims, Bjarte (Master thesis, 2013)Due to an increasing interest in oil and gas exploration in the Barents Sea, it is important to identify all the challenges related to petroleum activity in that area. The objective of this thesis is to examine conditions ... -
Evaluation of Safety Systems at an Unmanned Production Platform
Furru, Ida (Master thesis, 2019)Denne oppgaven har vurdert sikkerhetssystemene på en ubemannet produksjonsplattform ved gjennomføring av en ALARP-analyse. Aker Solutions og Aker BP har utviklet et konseptdesign for en ubemannet produksjonsplattform (UPP) ... -
FPSO Cidade de São Mateus gas explosion - Lessons learned
Vinnem, Jan Erik (Journal article; Peer reviewed, 2018)The explosion accident in February 2015 on the Floating Production, Storage and Offloading (FPSO) unit Cidade de São Mateus in the Brazilian offshore sector was the most severe offshore petroleum accident since the Macondo ... -
Hazard analysis: Application of STPA to ship-to-ship transfer of LNG
Sultana, Sharmin; Okoh, Peter Ichekani; Haugen, Stein; Vinnem, Jan Erik (Journal article; Peer reviewed, 2019)The process industry has experienced technological advances, such as automatic handling of hazardous substances, process equipment, and valves. High levels of automation, as well as system interactions at component and ... -
Human Reliability and the Impact of Control Function Allocation in the Design of Dynamic Positioning Systems
Hogenboom, Sandra; Rokseth, Børge; Vinnem, Jan Erik; Utne, Ingrid Bouwer (Journal article; Peer reviewed, 2019)The design and function allocation of control in complex technological systems have mainly been technology-driven, resulting in increased automation. A human or user perspective is rarely taken in the technological ...