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High temperature/high pressure sealing components

A technology for sealing parts and sealing elements, which is applied in wellbore/well parts, sealing/isolation, engine sealing, etc., and can solve problems such as degradation of sealing materials and difficulty in using sealing materials.

Active Publication Date: 2016-02-10
BAKER HUGHES HLDG LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] High temperature environments tend to degrade sealing materials, and use of sealing materials at high pressures is difficult for obvious reasons

Method used

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  • High temperature/high pressure sealing components
  • High temperature/high pressure sealing components

Examples

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Embodiment Construction

[0010] Forcing a member radially outward to form a seal with a radially outwardly positioned tubular member is known in the art. Structures capable of forming this type of seal are also known in the art. As such, the present invention does not need to describe such components, but instead focuses on the seal member portion that exemplifies the seal structure of the present invention.

[0011] refer to figure 1 , which shows a first embodiment of the sealing member 10 . The sealing member comprises a body 12 imparted with one or more seals 14 which prevent radial inward movement of the body under the action of fluid and / or pressure. As will be appreciated by those skilled in the art, the body includes a tapered surface 16 and is thus configured to ride on a frustoconical member (not shown, but a structure known in the art) that The body member thus forces the body radially outwards and brings it into contact with the target surface 18 to be sealed. The body consists of one ...

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Abstract

A sealing component includes a body, one or more supports, and a sealing element. The body has a recess, the one or more supports extending from the body and tapering the length of the supports, the sealing element being disposed within the recess, the sealing element comprising one or A plurality of steps, each adjacent to one of the one or more supports and on a surface of the sealing element intended to be in contact with a target sealing surface.

Description

[0001] cross reference [0002] This application claims the benefit of the filing date of US Patent Application Serial No. 12 / 720,391, filed March 9, 2010, entitled "High Temperature / High Pressure Sealing Components." technical field [0003] The present application relates to the field of drilling and well completion, in particular to high temperature / high pressure sealing components used in the field of drilling and well completion. Background technique [0004] In the field of drilling and completions, sealing various components and / or spaces is important. Sealing annulus is very common and can significantly affect the operation or efficiency of a wellbore. There are many different types of seals that have been used successfully in many wellbores for many years, but there are particular difficulties for high temperature / high pressure applications. Such applications are becoming more common with the use and development of eg deeper wellbores for eg carbon dioxide sequest...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16J15/32E21B10/25F16J15/56F16J15/16
CPCF16J15/025E21B10/25E21B33/03F16J15/02
Inventor J·C·多恩
Owner BAKER HUGHES HLDG LLC
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