.... Guan et al. (2011) established the calculation model of flexural stiffness of wellhead combination for multiple combination forms of wellheads, constructed the model applicable to the horizontal bearing capacity of deepwater combination casing columns, and gave the solution method. Tang et al. (2010...

... ABSTRACT Dual wellhead suction bucket foundation plays an important role in joint mining and production improvement. In order to ensure safe operation, the bearing capacity mechanism and wellhead stability need to be studied. In this paper, the mechanical model of riser and dual wellhead...

... ABSTRACT The soft clay surrounding the laterally-loaded offshore piles experiences remolding and softening under cyclic laterally loading. The spatial distribution of damage of soft clays is essential for the degradation of cyclic ultimate bearing capacity of the pile foundation. In this work...

... upstream oil & gas sub-sea system collision process steel plate china government asia government platform offshore nuclear-powered platform platform structure reservoir simulation bearing capacity numerical simulation sea ice longitudinal nuclear-powered platform thickness...

..., particularly in cases with the widespread damage due to block subsidence. The stability performance index used in this method is the failure probability ( pf ), which is based on the reliability analysis of the caisson sliding, overturning, and bearing capacity failure modes. This paper also discusses the use...

... upstream oil & gas jacket platform structure failure mode plasticity development jacket leg platform structure bearing capacity strengthening ductility capacity sub-sea system united states government displacement environmental load collapse analysis brittle failure jacket...

... upstream oil & gas enhanced recovery water film impurity accumulation maximum pressure asia government bearing bearing capacity water film formation impurity accumulation size impurity water film thickness minimum water film thickness critical speed china government film...

... to improve the safety assessment of ship navigation. asia government deformation cyclic loading ultimate bearing capacity strain curve shipbuilding stiffened plate amplitude loading amplitude plastic deformation ultimate strength loading hull structure cyclic compression load boundary...

... seabed treatment china government tolerance bearing capacity survey area platform site seabed bearing capacity Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International Society of Offshore...

... bucket foundation sustainability social responsibility sustainable development displacement load ratio bearing characteristic cyclic load characteristic condition comparison suction bucket foundation working condition bucket foundation structure bearing capacity loading point offshore wind...

... on the ultimate bearing capacity of conductor. In this paper, the ultimate bearing capacity of the conductor under the condition of soil squeezing effect and pile group effect is studied by numerical simulation. It is concluded that the soil mass in the range of 3.26 times the conductor diameter from the center...

... padeye anchor inclination anchor capacity bearing capacity interaction line angle Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN...

... ABSTRACT In this paper, a deep tripod-bucket foundation with a height-diameter ratio of 2:1 is proposed. The three-dimensional finite element model considering the interaction between the tripod-bucket foundation and soil is established in ABAQUS. The ultimate bearing capacities H ult , V...

... benefits, such as high bearing capacity, good plastic and toughness, and convenient construction and economic efficiency (Han et al., 2014), CFSTs have received increasing interest in recent decades. Fig. 1 shows the three typical CFST cross sections, including the circular, square and rectangular cross...

... subsea system friction coefficient embedment depth helical pile soil flow mechanism end bearing factor upstream oil & gas installation torque installation force helix application bottom end penetration depth flow mechanism bearing capacity undrained shear strength...

... foundation wind energy two-layered clay failure mechanism surface foundation social responsibility upper soil upper clay bucket foundation sustainable development strength thickness wind turbine sustainability variation offshore wind turbine ultimate bearing capacity bearing...

... ABSTRACT Predicting the ultimate bearing capacity of a deep-sea pipeline on the soft clayey seabed is crucial for on-bottom stability and global buckling analyses. Based on slip-line field theory, an analytical solution is derived for the undrained bearing capacity of an obliquely-loaded...

... capacity of the wellhead, and ensure stability and operational safety. Based on pile foundation bearing theory and the ultimate foundation reaction method, the wellhead bearing capacity of the suction pile was analyzed, and the calculation model of the suction pile wellhead bearing capacity under different...

... Abstract In order to select a suitable foundation for large central manifold in LingShui17-2 deep-water gas field, on the basis of analysis of bearing capacity of subsea production system foundation and installation capacity of installation resources, this paper compares two major deep-water...

...-modulus, high-strength and high fatigue resistance on the cracked pipeline to restore the bearing capacity of the damaged pipeline. Seicamv (2007) discussed the application of FRP materials in the reinforcement and repair of submarine damaged pipelines, and conducted a four-point bending quasi-static test...