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A METHOD OF AND A DEVICE FOR DETERMINING OPERATIONAL PARAMETERS OF A COMPUTATIONAL MODEL OF BOREHOLE EQUIPMENT, AN ELECTRONIC CONTROLLER AND BOREHOLE EQUIPMENT
专利权人:
ENGIE Electroproject B.V.
发明人:
Veltman, André
申请号:
HR2017P001503T
公开号:
HRP20171503(T1)
申请日:
2017.10.06
申请国别(地区):
克罗地亚
年份:
2018
代理人:
摘要:
A method of and a device for computer controlled determination of operational parameters of a computational model of borehole equipment for drilling a borehole in an earth formation are described. The borehole equipment has a rotational drive system, a drill string having a bottom hole assembly and a top end coupled to the rotational drive system, and a speed controller for controlling rotational drive speed of the drive system. The drive system is controlled such that a torque provided by the drive system while driving the drill string is varied over a time period. From the varying torque and rotational top end drive speed of the drill string an estimated torque-speed transfer function is obtained and matched with a torque-speed transfer function computed from the computational model of the borehole equipment. The operational parameters are determined from the matched estimated torque-speed transfer function and the computed torque-speed transfer function.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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