Approaches to reducing injection rate of hydrate inhibitor based on risk management, operational scenario and life-cycle cost = 위험관리, 운전시나리오, 수명주기비용을 고려한 하이드레이트 억제제 주입량 감소 방안에 대한 연구

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This study presents a framework for hydrate formation risk management and proposes a new methodology that estimates the acceptable injection rate of a hydrate inhibitor. The methodology provides risk-based information which presents the acceptable injection rate of a hydrate inhibitor considering the random failure and subsequent maintenance of the topside system followed by the cooldown of the flowlines and risers. Case studies are performed for several installations that have different extent of process configurations and insulation. With obtained risk-based information, a life-cycle cost (LCC) hydrate formation risk management methodology is proposed to determine the optimal injection rate of hydrate inhibitor. This study provides a realistic limit of the hydrate injection rate, which the conventional methodology cannot provide and establish the guidelines to prevent the over-sized design for offshore plant.
Advisors
Chang, Daejunresearcher장대준researcher
Description
한국과학기술원 :기계공학과,
Publisher
한국과학기술원
Issue Date
2017
Identifier
325007
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 기계공학과, 2017.2,[vi, 89 p. :]

Keywords

Hydrate inhibitor injection rate; Realistic operation scenario; Insulation characteristic; Risk-based design; Hydrate formation risk management; Life cycle cost; 하이드레이트 억제제 주입량; 실제 운전 시나리오; 단열 특성; 위험 기반 설계; 하이드레이트 생성 위험관리; 전 과정 비용

URI
http://hdl.handle.net/10203/241706
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=675627&flag=dissertation
Appears in Collection
ME-Theses_Ph.D.(박사논문)
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