Finite Element Analysis of Offshore Drilling Structure

Finite Element Analysis of Offshore Drilling Structure
Author(s):
Ragesh Sathiyan M, Shreeprakash B
Keywords:
Offshore drilling structure, FEA, ANSYS, cutting unit, winch, floating platform, pontoon, suction pipe, slurry, boundary conditions and loads
Abstract
The offshore module drilling rig has developed into an essential component of equipment for offshore oil and gas extraction, particularly for its large potential use in deep water, analysis of its load-carrying capacity assessment is of great significance. The strength analysis of an offshore drilling structural assembly with a lifting load of 15 tonnes and a partial safety factor of 2 is explored in this work. Finite Element (FE) software ANSYS is used to calculate the loads based on the loading application. ANSYS used to define the materials, geometrical dimensions, loads, and boundary conditions for the drilling structures. As a result, deformations are obtained at 13.2 mm, which is less than the permitted maximum of 35 mm. The highest allowable limit of 235 MPa is determined to have stresses that are substantially below the offshore drilling structure. Therefore, the offshore drilling structure fulfils the strength criteria.
Article Details
Unique Paper ID: 161383 Publication Volume & Issue: Volume 10, Issue 3 Page(s): 521 - 525
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