Drilling fluid filtrate separator

A drilling fluid and separator technology, applied in the direction of filtration separation, separation method, fixed filter element filter, etc., can solve problems such as filter screen clogging, and achieve the effect of solving clogging

Inactive Publication Date: 2016-04-20
CHINA PETROCHEMICAL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a drilling fluid filtrate separator capable of continuously producing drilling fluid filtrate for the problem of filter blockage

Method used

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  • Drilling fluid filtrate separator

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Embodiment Construction

[0017] refer to figure 1 , drilling fluid filtrate separator, including pump 3, filter container 4, filter cloth or filter screen 8, filter cloth or filter screen support 9. filter container 4 is a closed container, filter cloth or filter screen 8 is vertically arranged on In the middle part of the filter container 4, the drilling fluid inlet 2 and the drilling fluid outlet 6 are respectively set on the top and bottom of the filter container 4 on the right side of the filter cloth or filter screen support, and the top and bottom of the filter container 4 on the other side are respectively set Compressed air inlet and filtrate outlet 5.

[0018] Control valves are respectively arranged on the connecting pipelines of the drilling fluid inlet and the drilling fluid outlet, the compressed air inlet and the filtrate outlet. Compressed air is output by air compressor 1.

[0019] The filter screen is made of stainless steel wire, nylon, glass fiber or carbon fiber filter screen.

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Abstract

The invention provides a drilling fluid filtrate separator capable of continuously producing drilling fluid filtrate. According to a technical scheme, the drilling fluid filtrate separator comprises a pump, a filtering container, a filter fabric or filter screen and a filter fabric or filter screen support and is characterized in that the filtering container is an enclosed container, the filter fabric or filter screen and the filter fabric or filter screen support are longitudinally arranged at a central position in the filtering container together, the top and bottom of the part, located at a same side as the filter fabric or filter screen support, of the filtering container are respectively provided with a drilling fluid inlet and a drilling fluid outlet, and the top and bottom of the part of the filtering container at the other side are respectively provided with a compressed air inlet and a filtrate outlet. The drilling fluid filtrate separator provided by the invention realizes continuous filtrate preparation from a drilling fluid, overcomes the problem of obstruction of the filter screen at the same time, does not need frequent replacing of the filter screen and is especially applicable to on-site continuous generation of drilling fluid filtrate for drilling engineering to facilitate on-line monitoring of the ion content of the drilling fluid filtrate.

Description

technical field [0001] The invention relates to the field of drilling fluid separation devices, in particular to a device for continuously producing drilling fluid filtrate on site in a drilling project so as to monitor the ion content of the drilling fluid filtrate on-line. Background technique [0002] In oil and gas drilling, drilling fluid is necessary to carry cuttings, clean the wellbore, and lubricate the drill bit. Drilling fluid is also called mud. The main components of water-based mud include water, crude oil, clay, barite, caustic soda, dichromate, iron-chromium lignosulfonate, polyacrylamide, sulfonated asphalt, lignite, hydrolyzed Polyacrylonitrile, cellulose, etc. [0003] In the process of drilling, it is of great significance to analyze the ion composition of drilling fluid. Through the analysis of drilling fluid filtrate, the production dynamics can be monitored, and whether it enters the target layer system or whether there is layer crossing can be preli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/05B01D29/68
Inventor 马云谦刘保双王忠杰蔺琳乔军李公让
Owner CHINA PETROCHEMICAL CORP
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