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Novel blowout preventing device for drilling exploration

A blowout prevention device, a new type of technology, is applied in the direction of earthwork drilling, wellbore/well components, sealing/isolation, etc., which can solve the problems of incomplete structure, inconvenient operation, high quality, etc. Good spray effect and noise reduction effect

Inactive Publication Date: 2015-06-24
王建卫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are roughly three types of mud and sand blowout preventers commonly used in the field of domestic exploration and drilling technology. One is made of iron sheets. The wall thickness is relatively thin, the quality is small, the structure is not complete, and the service life is short. It is easy to deform due to bumping and cannot be used. The other is to weld and form steel pipes or castings. It is of high quality and has a special diversion tube on the bottom side, but the heavy weight causes the movement to be restricted by the diversion tube, which is inconvenient to operate. Imported from abroad, made of non-metallic materials, it is convenient and flexible to use, but the cost is high

Method used

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  • Novel blowout preventing device for drilling exploration

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Embodiment

[0012] This embodiment provides a new blowout preventer for drilling exploration, which is characterized in that: the new blowout preventer for drilling exploration includes a cylinder (1), a fastening device (2), a hinge (3 ), sealing rubber ring (4), fixing bolt (5), diversion chamber (6);

[0013] Among them: the cylinder (1) is symmetrically arranged, the side of the cylinder (1) is provided with a hinge (3), the cylinder (1) is provided with a fastening device (2), and the edge of the cylinder (1) is provided with The sealing rubber ring (4) is fixed with a fixing bolt (5), and a diversion chamber (6) is provided on the inner side of the lower end of the cylinder body (1), and the diversion chamber (6) leads to the outer lower part of the cylinder body (1).

[0014] The sealing rubber ring (4) and fixing bolt (5) are adapted to the caliber of the drill string seal.

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Abstract

The invention provides a novel blowout preventing device for drilling exploration. The device is characterized by comprising barrel bodies, fastening devices, hinges, sealing rubber rings, fixing bolts and flow guide chambers, wherein the barrel bodies are symmetrically arranged; hinges are arranged at the side edges of the barrel bodies; the fastening devices are arranged in the barrel bodies; the sealing rubber rings are arranged at the side edges of the barrel bodies, and the fixing bolts are fixed; the flow guide chambers communicated to the outer lower parts of the barrel bodies are formed in the inner sides of the lower ends of the barrel bodies. The device has the advantages that no dust is generated during work, and even the noise is reduced, so that the environmental protection is ensured and the health is protected; the device is ingenious in structure, convenient to operate, high in flexibility, low in cost, good in blowout preventing effect, and suitable for mass production.

Description

technical field [0001] The invention relates to the technical field of exploration drilling, and in particular provides a novel blowout prevention device for drilling exploration. Background technique [0002] There are roughly three types of mud and sand blowout preventers commonly used in the field of domestic exploration and drilling technology. One is made of iron sheets. The wall thickness is relatively thin, the quality is small, the structure is not complete, and the service life is short. It is easy to deform due to bumping and cannot be used. The other is to weld and form steel pipes or castings. It is of high quality and has a special diversion tube on the bottom side, but the heavy weight causes the movement to be restricted by the diversion tube, which is inconvenient to operate. Imported from abroad, made of non-metallic materials, it is convenient and flexible to use, but the cost is high. Contents of the invention [0003] The purpose of the present inventi...

Claims

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Application Information

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IPC IPC(8): E21B33/06
CPCE21B33/06
Inventor 王建卫
Owner 王建卫
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