Petroleum drilling fluid screening device

A technology of oil drilling and screening device, which is applied in earth-moving drilling, flushing wellbore, wellbore/well components, etc., can solve problems such as affecting the health of operators, poor screening effect, splashing of drilling fluid, etc. Screening effect, avoid splashing, facilitate the collection effect

Inactive Publication Date: 2016-12-21
天津帅通科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the present invention aims to propose a petroleum drilling fluid screening device to solve the problems of large volume, complex structure, poor screening effect, low efficiency, and drilling fluid splashing affecting the health of operators in existing equipment

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  • Petroleum drilling fluid screening device
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Embodiment Construction

[0023] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention Creation and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should no...

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Abstract

The invention provides a petroleum drilling fluid screening device. The petroleum drilling fluid screening device comprises a tank, a support and guide plates arranged in the tank. The tank is divided into an upper screening area and a lower fluid collecting area by the guide plates. Vibrating screens are obliquely arranged in the screening area. A stirring device is arranged in the fluid collecting area. Chip outlets are formed in the positions, corresponding to the lower ends of the vibrating screens, of the side wall of the tank. A chip collecting tank corresponding to the chip outlets is arranged on the outer side wall of the tank. A fluid outlet pipe is arranged at the bottom end of the side wall of the tank. The tank is fixedly connected with the supports through elastic components. The petroleum drilling fluid screening device has the advantages that the size is small, the structure is simple, the screening efficiency is high, the screening effect is good, and drilling fluid is effectively prevented from splashing.

Description

technical field [0001] The invention belongs to the technical field of petroleum equipment, and in particular relates to a screening device for petroleum drilling fluid. Background technique [0002] Drilling fluid is an indispensable and important part of oil drilling operations. On the one hand, it is related to safe, fast and high-quality drilling, and on the other hand, it is related to the protection of oil and gas layers. The drilling fluid specifies a series of drilling fluid performance parameters according to the actual work needs. As the basis for adjusting and controlling the drilling fluid performance, the control of the solid phase content in the drilling fluid is one of them. Drilling fluid circulating from downhole to the surface contains a large amount of harmful solids such as cuttings, sand, etc., so it is necessary to remove harmful solids from the drilling fluid circulating to the surface. There are many methods for controlling the solids of petroleum dri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B21/06
CPCE21B21/065
Inventor 张弘静
Owner 天津帅通科技发展有限公司
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