Results 11 to 20 of about 12,796 (256)
Risk and Preventive Measures of Pile Placement in Chengdao Oilfield
Shanghai Jiaotong Daxue xuebao, 2023 Chengdao Oilfield is located in the modern Yellow River underwater delta, where the seabed strata are complex, and the sediment silt and silty clay have great interbedding changes.
AN Tao, LIN Zengyong, ZHANG Da
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A new expression to predict secant rotational stiffness of spudcan in undrained soils [PDF]
E3S Web of Conferences, 2021 The nonlinear behavior of spudcan foundation will lead to the decrease of the rotational stiffness of the spudcan, leading to the increase of the stress at the critical member of the offshore jack-up drilling platform. Secant rotational stiffness is used
Lin Wenlong
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Jack-up Platforms: An Overview
, 2023 Jack-up platforms are a type of mobile offshore drilling unit designed to provide stable support for various types of operations in the petroleum industry for the exploration and extraction of hydrocarbons from the seabed. This type of design of jack-up platforms is based on several factors, including water depth, soil conditions, environmental loads ...
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Two multi-linked rescue robots: design, construction and field tests
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2016 Rescue robots that can penetrate into narrow gaps in the rubble, create and maintain spaces for rescuers after earthquakes are urgently needed in search and rescue missions.
Xizhe ZANG +4 more
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Analyses on docking dynamic characteristics of the jack-up platform with two-piece units guide cable
Petroleum Exploration and Development, 2012 To meet the requirements of deeper offshore oil and gas exploration, a two-piece units mode jack-up rig is employed to upgrade the existing cylindrical leg jack-up rig which works in shallow areas of 50 m deep.
Yongjin SHI
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Structural Assessment of an Offshore Platform Subjected to a Ship Collision [PDF]
Port Said Engineering Research Journal, 2023 Oil and gas platforms are exposed to ship accidents, which is an unavoidable event. Ships have been developed recently, where it becomes larger and more equipped.
Eman Younis +3 more
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Design Solutions for Jack up Platform Retrofitting
World Journal of Engineering and Technology, 2015 The paper is focused on the structural problems related to the retrofitting of a ship structure into a maritime self-elevating platform. The study is referred on the design of the global and local strengthening of the platform and legs structures. The joint structure built as the connection between the platform hull and the tubular legs, is designed so
Ionel Chirica +2 more
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Design and experimental research of jack-up wave energy power generation device
Advances in Mechanical Engineering, 2015 In order to solve the problem of energy shortage and focus on the development of wave energy, a jack-up platform is used as the carrier, and a new type of wave energy power generation device is designed. Compared with other power generation devices, this
Jingxin Shi, Detang Li, Date Li
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Shuili Shuiyun Gongcheng Xuebao, 2021 The spudcan penetration and extraction processes of the jack-up drilling rig will seriously disturb the natural seabed. In the present study, the penetration and extraction processes of the jack-up platform in silty seabed were modeled with the help of ...
SONG Yupeng +4 more
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Molecular Oncology, EarlyView.The proposed mechanism of action for the CDK12/13 inhibitor and cyclin K degrader, CT7439. CDK12/13 inhibition interrupts transcription elongation, leading to increased DNA damage that results in cell death. This agent is a potentially novel treatment option for patients with colorectal cancer. Created in BioRender. Cyclin‐dependent kinase (CDK) 12 and
Wylie K. Watlington +10 more
wiley +1 more source