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Intelligent cuttings clearing device

A cleaning device and intelligent cuttings technology, applied in cleaning equipment, wellbore/well components, earthwork drilling and mining, etc., can solve the problems of poor cleaning effect and incomplete cleaning, and achieve the effect of enhancing the cleaning effect

Inactive Publication Date: 2020-01-31
YANGTZE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an intelligent cuttings cleaning device that only cleans the bottom cuttings bed and has a good cleaning effect, so as to solve the problems of incomplete cleaning and poor cleaning effect existing in existing cleaning devices

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] The intelligent debris cleaning device is composed of a sleeve 1, an upper joint 2, a lower joint 3, a flow diversion assembly and a scraper 4. An upper joint 2 is installed on the internal thread of one end port of the sleeve 1, and the upper joint 2 is used to connect the upper pipe string , in order to transmit the rotational force of the drilling tool, the drilling fluid of the upper pipe string enters the cleaning device through the inner hole of the upper joint 2, and the inner thread of the other end port of the sleeve 1 is equipped with a lower joint 3, which is used to connect the lower joint. Downhole tool, in order to continue to transmit the rotating force downward, the drilling fluid in the cleaning device enters the downhole tool at the lower part through the inner hole of the lower joint 3; the inner holes of the sleeve 1, the upper joint 2 and the lower joint 3 are variable diameter holes, Wherein, the inner hole of the lower joint 3 is a trumpet hole wit...

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Abstract

The invention relates to a clearing device, in particular to an intelligent cuttings clearing device. The clearing device is composed of a sleeve, an upper joint, a lower joint, a flow dividing assembly and scraping plates; an end opening of one end of the sleeve is internally provided with the upper joint in a thread connection mode, an end opening of the other end of the sleeve is internally provided with the lower joint in the thread connection mode, and the sleeve between the upper joint and the lower joint is movably provided with the flow dividing assembly in a sleeving mode through thrust bearings; and the sleeve is internally provided with a mounting flange, a mounting cavity is arranged in the mounting flange in a radial shape, the mounting cavity communicates with the flow dividing assembly, the scraping plates are arranged in the mounting cavity, springs are arranged between the scraping plates and the sleeve, and the end heads of the scraping plates extend to the outside ofthe sleeve. The intelligent cuttings clearing device has the characteristics of only clearing a cuttings bed at the bottom and being high in clearing effect, the problems of incomplete clearing and poor clearing effect existing in an existing clearing device are solved, and the requirement of drilling engineering is met.

Description

technical field [0001] The invention relates to a cleaning device, in particular to an intelligent debris cleaning device. Background technique [0002] In the process of exploiting oil and gas resources, in order to adapt to the complex terrain structure and working conditions, people have developed a variety of drilling tools to realize the drilling function. If the cuttings are not cleaned in time, they will accumulate into a cuttings bed over time; the cuttings bed has a great safety hazard, which can easily hinder the movement of drilling tools, reduce the speed of drilling tools, and cause poor pumps, poor drills and stuck drills. Therefore, a cleaning device is required to remove bottomhole cuttings. [0003] Due to structural reasons, the traditional cleaning device can only scrape and clean the well wall at 360 degrees. Although it can clean the cuttings bed on the bottom well wall, the device scrapes the rock debris on the top well wall at the same time during the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B37/02E21B21/00
CPCE21B21/00E21B37/02
Inventor 夏成宇王志亮陈锟黄壮何宇航方永
Owner YANGTZE UNIVERSITY
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