Experimental Research on Integrated Disassembly Equipment of Super Large Offshore Oilfield Facilities

Changjiang Li, Wensheng Xiao, Junguo Cui (), Quan Li, Lianghuan Fan and Liping Tan
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Changjiang Li: College of Mechanical and Electronic Engineering, China University of Petroleum (East China), Qingdao 266580, China
Wensheng Xiao: College of Mechanical and Electronic Engineering, China University of Petroleum (East China), Qingdao 266580, China
Junguo Cui: College of Mechanical and Electronic Engineering, China University of Petroleum (East China), Qingdao 266580, China
Quan Li: College of Mechanical and Electronic Engineering, China University of Petroleum (East China), Qingdao 266580, China
Lianghuan Fan: College of Mechanical and Electronic Engineering, China University of Petroleum (East China), Qingdao 266580, China
Liping Tan: College of Mechanical and Electronic Engineering, China University of Petroleum (East China), Qingdao 266580, China

Energies, 2023, vol. 16, issue 7, 1-14

Abstract: Based on the key module-lifting arm system, based on the principle of similarity and the hydrodynamic experimental method of a multi-dimension vibration test platform, an experimental platform for dismantling equipment is designed and built. Subsequently, the motion control model of the six-degrees-of-freedom platform is established. The three-ring control model of a servo electric cylinder is established, and the active heave compensation control of a servo electric cylinder is realized by combining position control theory. Based on the co-simulation of ADAMS and Simulink, the co-simulation system of the integrated dismantling equipment experimental platform is designed and built, and the simulation system is tested and verified. Finally, simulation and experimental verification are carried out based on the experimental platform and co-simulation system. The results show that the heave compensation rate reaches 58.3% in third-class sea conditions, 61.2% in fourth-class sea conditions, and 62.4% in fifth-class sea conditions. The integrated dismantling scheme of super large offshore oilfield facilities is feasible but, in order to ensure the safety and reliability of the operation, a heave compensation system needs to be added. The error between the simulation results and the experimental results is about 15%. Based on the analysis of external interference factors in the experiment, the error results are within a reasonable range, which proves that the experimental platform, the co-simulation system of the experimental platform, and the heave compensation strategy are accurate and effective. This study, for the first time in China, provides an effective experimental platform and co-simulation platform for the design and optimization of the integrated dismantling equipment of super large offshore oilfield facilities and lays a good research foundation for the construction and engineering demonstration of subsequent equipment.

Keywords: integrated dismantling; lifting arm system; experimental platform; mathematical model; co-simulation system; heave compensation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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