Results 11 to 20 of about 21,226 (204)

Assessment of structural integrity of subsea wellhead system: analytical and numerical study [PDF]

open access: yesFrattura ed Integrità Strutturale, 2014
Subsea wellhead systems exposed to severe fatigue loading are becoming increasingly a significant problem in offshore drilling operations due to their applications in wells with higher levels of pressure and temperature, situated at larger depths and in harsher environments.
A. R. Maligno   +3 more
core   +10 more sources

NUMERICAL INVESTIGATIONS ON THE EFFECTS OF SEABED SHALLOW SOILS ON A TYPICAL DEEPWATER SUBSEA WELLHEAD SYSTEM [PDF]

open access: yesBrodogradnja, 2022
Deepwater subsea wellheads may be significantly threatened under extreme sea conditions and operations, especially when the seabed is composed of very soft clay properties. A numerical model of a deepwater wellhead system is established using the classic
Zhao, Tong   +10 more
core   +3 more sources

Proposed OHTC Formula for Subsea Pipelines Considering Thermal Conductivities of Multi-Layered Soils [PDF]

open access: yes한국해양공학회지, 2018
Subsea pipelines are designed to transport mixtures of oil, gas, and their associated impurities from a wellhead that can be in excess of approximately 100 °C, while the external temperature may be approximately 5 °C.
Mun-Beom Shin   +5 more
core   +2 more sources

Well decommissioning using BHGE's subsea wellhead terminator [PDF]

open access: yes, 2019
Master's thesis in Industrial ...
Aasen, Andre, Stavland, Sander
openaire   +3 more sources

Optimization of K‐Shaped Metal Sealing Ring for Subsea Tubing Hanger Based on Response Surface Method

open access: yesModelling and Simulation in Engineering, Volume 2025, Issue 1, 2025.
The K‐shaped metal sealing ring of the subsea tubing hanger is a crucial sealing component ensuring wellhead sealing. Optimizing its structure can enhance the sealing performance of the tubing hanger and improve the reliability of subsea wellhead equipment.
Huan Xie   +5 more
wiley   +2 more sources

Sealing Degradation Modeling and Reliability Analysis Method of Deep‐Water Pipeline Connector Based on the Two‐Phase Nonlinear Wiener Process

open access: yesModelling and Simulation in Engineering, Volume 2024, Issue 1, 2024.
The deep‐water pipeline connector (DPC) is a key piece of equipment for the connection of multiple facilities located in different positions of the subsea production system. Establishing a DPC sealing degradation model considering the internal corrosion can provide a basis for its structural design and maintenance.
Wei Zeng   +4 more
wiley   +2 more sources

Mechanical Characteristics and Structural Innovation of a Deepwater Subsea Wellhead System

open access: yesProcesses
To improve the bending resistance and support the domestic development of deepwater subsea wellhead equipment, a three-dimensional finite element model (FEM) of the SXW-15 subsea wellhead system was established in ANSYS Workbench considering contact nonlinearity and rigid-locking mechanisms.
Xuezhan Zhao   +11 more
openaire   +2 more sources

Assessment of structural integrity of subsea wellhead system: analytical and numerical study [PDF]

open access: yes, 2015
Subsea wellhead systems exposed to severe fatigue loading are becoming increasingly a significant problem in offshore drilling operations due to their applications in wells with higher levels of pressure and temperature, situated at larger depths and in ...
Vadim V. Silberschmidt (7121744)   +3 more
core   +5 more sources

In-silico research of the influence of gas injection into the subsea crude oil pipeline on the paraffin solid phase deposition [PDF]

open access: yesE3S Web of Conferences, 2021
The aim of the article is presenting of the preliminary results of simulations showing behaviour of paraffin deposits in submarine pipelines. The described parameters for changing the deposition of the solid paraffin phase with the flow of crude oil ...
Wójcikowski Artur, Nagy Stanisław
doaj   +1 more source

Application of wellhead suction anchor technology in the second production test of natural gas hydrates in the South China Sea

open access: yesChina Geology, 2022
: Traditional suction anchor technology is mainly used in the fields of subsea structure bearing foundations, single-point mooring systems and offshore wind power.
Bo Li   +9 more
doaj   +1 more source

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