<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In order to study the dynamic response of a drill pipe under the motion of the float platform, current and waves during the installation of a subsea production tree (SPT), a numerical model was established to analyse the mechanical properties of the drill pipe. The effects of the float platform motion on the mechanical behaviours of the drill pipe are carried out as well as the operation depth, submerged weight of the SPT, current velocity and drill pipe specification. At the same time, the evolution mechanism of the dynamic response of the drill pipe was also explored. The results show that the bending stress of the drill pipe approaches the maximum value when the platform moves to about one fourth of its period. Based on the research, the deeper the operation depth, the smaller the range of motion of the bottom of the drill pipe; the current velocity and the size of drill pipe have the greatest influence on the lateral displacement and bending stress.</p></abstract>

In order to study the dynamic response of a drill pipe under the motion of the float platform, current and waves during the installation of a subsea production tree (SPT), a numerical model was established to analyse the mechanical properties of the drill pipe. The effects of the float platform motion on the mechanical behaviours of the drill pipe are carried out as well as the operation depth, submerged weight of the SPT, current velocity and drill pipe specification. At the same time, the evolution mechanism of the dynamic response of the drill pipe was also explored. The results show that the bending stress of the drill pipe approaches the maximum value when the platform moves to about one fourth of its period. Based on the research, the deeper the operation depth, the smaller the range of motion of the bottom of the drill pipe; the current velocity and the size of drill pipe have the greatest influence on the lateral displacement and bending stress.

Dynamic Response Analysis of Drill Pipe Considering Horizontal Movement of Platform During Installation of Subsea Production Tree

Polish Maritime Research

This work is licensed under the Creative Commons Attribution 4.0 International License.

In order to study the dynamic response of a drill pipe under the motion of the float platform, current and waves during the installation of a subsea production...

Dynamic Response Analysis of Drill Pipe Considering Horizontal Movement of Platform During Installation of Subsea Production Tree

Publié en ligne: 29 sept. 2020

Pages: 22 - 30

DOI: https://doi.org/10.2478/pomr-2020-0043

Mots clés
SPT installation, drill pipe, dynamic response, vibration range, bending stress

© 2020 Fei Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Dynamic Response Analysis of Drill Pipe Considering Horizontal Movement of Platform During Installation of Subsea Production Tree

Publié en ligne: 29 sept. 2020

Pages: 22 - 30

DOI: https://doi.org/10.2478/pomr-2020-0043

Mots clésSPT installation, drill pipe, dynamic response, vibration range, bending stress

© 2020 Fei Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mots clés
SPT installation, drill pipe, dynamic response, vibration range, bending stress