Results 41 to 50 of about 5,546 (148)

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  

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  

Incorporating software failure in risk analysis––Part 2: Risk modeling process and case study [PDF]

open access: yes, 2020
The advent of autonomous cars, drones, and ships, the complexity of these systems is increasing, challenging risk analysis and risk mitigation, since the incorporation of software failures intro traditional risk analysis currently is difficult.
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  

Simulation Analysis of Sealing Characteristics of K-Shaped Metal Ring on Tubing Hanger

open access: yesShiyou jixie, 2021
To study the optimal precompression of the self-tightening metal sealing ring and its sealing performance affected by the pressure and temperature load of the working medium, a K-shaped metal seal ring on the tubing hanger is taken as an example.
田懿   +5 more
doaj  

Dropped Object Protection Modelling for Subsea Equipment [PDF]

open access: yes, 2016
Subsea x-tree is located at the seabed and contain hydrocarbon. The water depth for subsea operation exceed 1000 m which make it impossible for mankind to do the maintenance tasks at the seabed.
Zulkifli, Muhammad Zulfadli
core  

Design of Production Gate Valve and Actuator for Subsea All-electric Christmas Tree

open access: yesShiyou jixie, 2018
Hydraulic controlled oil production systems have disadvantages such as high cost, difficult high pressure control oil transmission and oil leakage. To address the issue, the subsea all-electric Christmas tree gate valve and actuator are designed.
Xiao Yin, Wu Di, Xiang Chao, Li Shen
doaj  

Developing a digital twin for safety demonstration A case study related to an all-electrical safety valve [PDF]

open access: yes, 2023
A different technology needs to be used to allow the oil and gas industry to produce more oil from deeper reservoirs below the seabed. The technology used in the last decades cannot operate in this depth.
Abele, Alexander
core  

Development Status of Subsea Christmas Tree

open access: yesShiyou jixie, 2016
The key to the development of subsea tree is whether it can meet the requirement by the relevant standards and specifications in pressure circulation test, high and low temperature circulation test, load circulation test and external high pressure test ...
Wang Yu   +6 more
doaj  

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