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Composite Rubber Packer

A compound glue and packer technology, applied in the directions of sealing/packing, wellbore/well components, earth-moving drilling, etc., can solve the problem of easy sealing failure, etc., so as to reduce the high daily cost and reduce the long-term downhole operation failure. Risk and cost saving effect

Active Publication Date: 2015-10-28
ANTON OILFIELD SERVICES (GRP) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the advantages of this packer is that the setting speed is fast, and one of its disadvantages is that it is prone to seal failure during long-term downhole operation

Method used

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  • Composite Rubber Packer
  • Composite Rubber Packer

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0017] figure 1 It is a structural sectional view of the composite rubber cartridge packer of the present invention. Such as figure 1 As described above, the composite rubber cartridge packer includes a core pipe 2, an axial compression device and a rubber cartridge assembly sleeved on the core pipe, wherein the rubber cartridge assembly consists of a pressure expansion rubber cylinder 10 and two sides of the pressure expansion rubber cylinder 10 The first liquid-expandable rubber cylinder 8 and the second liquid-expandable rubber cylinder 8' are composed. Wherein, the first liquid-expandable rubber cylinder 8 and the second liquid-expandable rubber cylinder 8' are respectively composed of a vulcanized rubber cylinder 81 and a metal ring 82 sleeved on its end, and are formed by vulca...

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Abstract

The invention discloses a composite rubber sleeve packer comprising a core tube, an axial compression device and a rubber sleeve component, wherein the axial compression device and the rubber sleeve component are sleeved on the core tube, and the rubber sleeve component is composed of a pressure expanding rubber sleeve and liquid expanding rubber sleeves. The composite rubber sleeve packer has the advantages of rapid setting and long setting time.

Description

technical field [0001] The invention relates to the technical field of downhole tools used to seal off annulus during well cementing and completion, stimulation operations or oil recovery construction in the petroleum industry, in particular to a composite rubber cartridge packer. Background technique [0002] The packer in the prior art achieves setting by extruding a packing rubber cylinder in a hydraulic or mechanical compression manner. This type of packer has been widely used in the fields of petroleum solid completion, oil recovery, and production stimulation. One of the advantages of the packer is that the setting speed is fast, and one of the disadvantages is that sealing failure is prone to occur during long-term downhole operation. [0003] In view of this, the inventor actively researched and innovated, and finally invented a composite rubber cartridge packer with a novel structure to solve the problems in the prior art and make it more practical. Contents of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B33/127
Inventor 姜士湖宁世品
Owner ANTON OILFIELD SERVICES (GRP) LTD
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