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Design and Analysis of Offshore Drilling
Heave Compensation Simulation System
by Wei Haijing
Supervisor: Professor Jia Guangzheng
Pluralistic Supervisor: Senior Engineer Bai Xiaojie
A Thesis Submitted to the Northeast Petroleum University
In partial fulfillment of the requirement
For the degree of Master of Engineering Mechanical Engineering
Full-time
April, 2023
东北石油大学工程硕士专业学位论文
II
海洋钻井升沉补偿模拟系统设计与分析
摘 要
近年来,随着国家对海洋资源的开发不断加深,海洋油气开采对海洋钻井技术提出
了更高的要求。在进行海洋钻井时,安装在海洋平台上的钻机不可避免的会随着平台受
到波浪力的作用而产生升沉运动,从而影响钻具底部钻压的稳定性。升沉补偿装置是使
钻具底部钻压保持稳定的重要辅助设备,本文针对提高升沉补偿精度的问题,进行了海
洋钻井升沉补偿模拟系统设计与分析研究。
阐述了研究背景与意义,对国内外海洋钻井升沉补偿技术研究成果进行介绍,明确
本文主要研究内容。概述了海洋钻井升沉补偿系统控制的研究发展现状,简述了提高升
沉补偿控制精度而采用的一些方法。
进行海洋平台钻柱升沉补偿模拟机构的结构设计与分析。对升沉补偿模拟机构的组
成进行分析并根据升沉补偿原理对结构进一步优化;对钻柱、浮动天车升沉补偿以及绞
车升沉补偿进行受力分析,为后续器件选型设计提供依据;应用 MATLAB 建立仿真模
型,对海洋平台钻柱升沉补偿机构进行了运动分析。
进行海洋模拟平台的结构设计与分析。对海浪运动机理进行研究,得出海浪升沉运
动在垂直方向上的函数关系式;依据海浪升沉运动函数关系式进行海洋模拟平台结构设
计;使用 MATLAB 建立仿真模型,对海洋模拟平台进行运动分析。
设计了升沉补偿模拟系统的控制方案。综合对升沉补偿控制的理论研究,建立基于
DMC 的 PID 预测控制模型。通过内部模型的状态或者预测输出,同时使用有限预测时
域的优化滚动计算和反馈及预测校正,然后根据系统的某个性能指标进行最优计算,使
得升沉补偿精度得到提高。使用
PLC
和
MCGS
搭建了升沉补偿系统的软硬件系统,利
用预测控制模型对升沉补偿系统进行仿真。
关键词:升沉补偿模拟,海洋模拟平台,MATLAB,DMC,预测
东北石油大学工程硕士专业学位论文
III
Design And Analysis Of Offshore Drilling Heave Compensation Simulation
System
ABSTRACT
In recent years, as the country's development of marine resources deepens, marine oil and
gas extraction has put forward higher requirements for marine drilling technology. When
drilling offshore, the drilling rig installed on the offshore platform will inevitably produce
lifting and sinking motion as the platform is subjected to wave force, thus affecting the
stability of drilling pressure at the bottom of the drilling tool. In this paper, we design and
analyze a simulation system to improve the accuracy of lifting and sinking compensation,
which is an important auxiliary equipment to keep the drilling pressure at the bottom of the
drilling tool stable.
The background and significance of the research are explained, and the research results of
domestic and foreign offshore drilling sinker compensation technology are introduced to
clarify the main research content of this paper. The current status of the research and
development of the control of offshore drilling sinkhole compensation system is outlined, and
some methods to improve the accuracy of sinkhole compensation control are briefly described.
The structural design and analysis of the drilling column lifting and sinking compensation
simulation mechanism of the offshore platform are carried out. The structure is further
optimized according to the principle of lifting and sinking compensation; the force analysis of
the drilling column, floating crane lifting and sinking compensation and winch lifting and
sinking compensation is carried out to provide a basis for the subsequent device selection and
design; a simulation model is established by MATLAB to analyze the motion of the drilling
column lifting and sinking compensation mechanism of the offshore platform.
The structural design and analysis of the marine simulation platform were carried out.
The mechanism of wave motion is studied, and the functional equation of wave lifting and
sinking motion in the vertical direction is derived; the structural design of the marine
simulation platform is carried out based on the functional equation of wave lifting and sinking
motion; a simulation model is established using MATLAB, and the motion analysis of the
marine simulation platform is carried out.
The control scheme of the lifting and sinking compensation simulation system is
designed. The theoretical study of the lifting and sinking compensation control is synthesized,
and the DMC-based PID predictive control model is established. Through the state or
prediction output of the internal model, while using the optimal rolling calculation and
feedback and prediction correction in the finite prediction time domain, and then the optimal
calculation according to a certain performance index of the system, the lifting and sinking
compensation accuracy is improved. The software and hardware system of the lift-sink
compensation system is built using PLC and MCGS, and the lift-sink compensation system is
simulated using the predictive control model.
Keywords:Lifting and sinking compensation simulations, Ocean Simulation Platform,
东北石油大学工程硕士专业学位论文
IV
MATLAB, DMC, Prediction
目 录
第一章 绪论............................................................................................... 1
1.1 研究背景及意义 ............................................................................... 1
1.1.1 研究背景 ..................................................................................... 1
1.1.2 意义 ............................................................................................. 1
1.2 国内外研究现状 ............................................................................... 2
1.2.1 国内研究现状 ............................................................................. 2
1.2.2 国外研究现状 ............................................................................. 3
1.3 海洋钻井升沉补偿系统控制的发展现状 ...................................... 4
1.4 主要研究内容及技术路线 .............................................................. 5
1.4.1 学位论文主要研究内容 ............................................................. 5
1.4.2 技术路线 ..................................................................................... 6
第二章 海洋平台钻柱升沉补偿模拟机构结构设计与分析 .................. 7
2.1 钻柱升沉补偿装置分类................................................................... 7
2.1.1 按升沉补偿动力方式分类 ......................................................... 7
2.1.2 按安装位置和补偿原理分类 ..................................................... 9
2.2 海洋平台钻柱升沉补偿模拟机构结构设计 ................................ 11
2.2.1 钻柱升沉补偿模拟机构工作原理 ........................................... 11
2.2.2 浮动天车升沉补偿模拟机构设计 ........................................... 12
2.2.3 摆臂设计与缠绕方式 ............................................................... 13
2.3 海洋平台钻柱升沉补偿模拟机构受力分析 ................................ 14
2.3.1 浮动天车主动式升沉补偿模拟机构受力分析 ...................... 14
2.3.2 绞车升沉补偿模拟机构受力分析 ........................................... 15
2.4 海洋平台钻柱升沉补偿模拟机构运动分析 ................................ 15
2.4.1 液压缸升沉补偿运动分析 ....................................................... 16
2.4.2 齿轮-齿条啮合动力学分析 ..................................................... 18
2.4.3 齿轮-齿条装置动力学分析 ..................................................... 19
2.4.4 绞车升沉补偿模拟机构运动分析 ........................................... 20
2.5 海洋平台钻柱升沉补偿机构仿真分析 ........................................ 21
2.5.1 四通阀控液压缸升沉补偿仿真分析....................................... 21
2.5.2 补偿电机升沉补偿仿真 ........................................................... 23
2.6 本章小结 ......................................................................................... 26
第三章 海洋模拟平台机构结构设计与分析 ........................................ 27
3.1 海洋模拟平台结构设计................................................................. 27
3.1.1 海浪运动机理研究 ................................................................... 27
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