Results 31 to 40 of about 718 (143)

Study on Sealing Reliability of Deep-sea Underwater Gate Valve and Actuator

open access: yesShiyou jixie, 2023
Deep-sea underwater gate valve and actuator are indispensable devices in subsea production system such as subsea Christmas tree, flow line and subsea manifold system.Their sealing reliability is crucial to their service performance and life, and is also ...
Wan Chunyan   +5 more
doaj  

Ricerca e sviluppo su problematiche metallurgiche e di saldabilità per i prodotti di De Pretto Industrie e FOC Ciscato [PDF]

open access: yes, 2015
Currently the whole Italian industry suffers the competition from emerging markets. All the social partners realized that our low-tech products and know-how are unlikely to be competitive in comparison with those produced at lower cost in other emerging ...
Basoni, Jacopo
core   +1 more source

Group maintenance optimization of subsea Xmas trees with stochastic dependency [PDF]

open access: yes, 2021
Subsea Xmas trees (XTs) are vital equipment for offshore oil and gas development. Due to a long and continuous operation, components of XTs often become vulnerable subjected to degradation and unexpected failures.
Cai, Baoping   +5 more
core   +1 more source

Type Selection and Function Design of Subsea Christmas Tree in Lingshui 17-2 Gas Field

open access: yesShiyou jixie, 2018
Subsea Christmas tree is an important equipment for offshore oil and gas development, which is widely used in the development of oil and gas fields. The proper selection of subsea Christmas tree system is of great significance in reducing the initial ...
Jiang Donglei   +5 more
doaj  

Analysis and Optimization of Influencing Factors on Sealing Performance of Subsea Wellhead Connector

open access: yesShiyou jixie, 2022
As a key equipment to connect high-pressure wellhead with subsea Christmas tree and prevent the leakage of high-temperature and high-pressure fluid in the well, the subsea connector is faced with extremely severe load.
Liu Shujie   +6 more
doaj  

Requirements Elicitation for Barrier Monitoring System [PDF]

open access: yes, 2020
Master's thesis in Industrial asset managementThe activities undertaken by operator companies in the Norwegian Continental Shelf pose a very high risk to human life and the environment.
Ahadov, Anar
core  

Study on Erosion Model of AISI 8630 Material for Subsea Christmas Tree

open access: yesShiyou jixie, 2020
The solid particles in the offshore oil and gas production will cause erosive wear of the subsea Christmas tree, which will reduce its pressure bearing capacity.
Rong Xin, Zhu Hongwu, Chu Bingchuan
doaj  

Managing Well Integrity using Reliability Based Models [PDF]

open access: yes, 2014
Imperial Users ...
Farwana, Amany, Farwana, Amany
core  

Development of safety envelopes and subsea traffic rules for autonomous remotely operated vehicles [PDF]

open access: yes, 2019
This article presents the process used to develop safety envelopes and subsea traffic rules for autonomous remotely operated vehicles (AROVs) used in subsea inspection, maintenance, and repair (IMR) operations.
Hegde, Jeevith   +3 more
core   +1 more source

Structural Optimization and Experimental Investigation of S-Seal for Subsea Christmas Trees

open access: yesShiyou jixie, 2023
The S-seal,a non-metallic seal for subsea Christmas trees,is one of the key components for safe subsea production.In this research,the structure and sealing mechanism of the S-seal are investigated and the structural parameters are optimized.The laws of ...
Zhang Chong   +5 more
doaj  

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