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Rock slab sealing device and method

A technology of sealing device and slab, which is applied in the direction of earthwork drilling, wellbore/well parts, etc. It can solve the problem of blockage of the filter screen in the diversion chamber, easy adhesion of sealant to other positions in the diversion chamber, pollution of the diversion chamber, etc. problem, to avoid pollution

Active Publication Date: 2022-03-29
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When the slate is installed, the sealant has not yet cured. During the installation process, the sealant is easy to adhere to other parts of the diversion chamber, pollute the diversion chamber, and cause the filter screen of the diversion chamber to be blocked, etc.

Method used

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  • Rock slab sealing device and method
  • Rock slab sealing device and method
  • Rock slab sealing device and method

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Experimental program
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Embodiment Construction

[0046] All technical terms used in the embodiments of the present invention have the same meanings commonly understood by those skilled in the art unless otherwise defined. In order to make the objects, technical solutions, and advantages of the present invention, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0047] In the first aspect, the embodiment of the present invention provides a rock plate sealing device for sealing the rock plate to be placed in the guide chamber, Picture 1-1 Attachment Figure 1-2 Attachment diagram 2-1 Attachment Figure 2-2 As shown, the apparatus includes: a base 1, a housing 2 disposed on the base 1.

[0048] The housing 2 includes a plurality of detachable sub-housings, and a plurality of sub-casings are grouped into a sealing chamber 3 for placing a rock plate. The structure and dimensions of the sealing chamber 3 are adapted to the flow chamber.

[0049] The operatio...

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PUM

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Abstract

The invention discloses a rock slab sealing device and method, belonging to the technical field of oil and gas field development. The device is used to seal the rock slab to be put into the diversion chamber, and the device includes: a base and a casing arranged on the base. The casing includes a plurality of detachable sub-housings, and the plurality of sub-housings enclose a sealed chamber for placing rock slabs. The structure and size of the sealing chamber are compatible with the diversion chamber. In the present invention, solid gel is formed around the rock plate before the rock plate is installed in the diversion chamber, which can not only make the rock plate and the inner wall of the diversion chamber well sealed, but also avoid the problem of liquid sealant polluting the diversion chamber. Moreover, the detachable sub-housing forms a sealed cavity, which is convenient for taking out the rock plate after the sealing is completed.

Description

Technical field [0001] The present invention relates to the field of oil and gas field development, and in particular, to a rock plate sealing device and method. Background technique [0002] When evaluating the crack flow capacity, maintain a certain distance between the two rock plates is required to be mounted in the guide chamber, simulate the crack. When supporting the crack-induced aberration, two rock plates are required to be mounted in the guide chamber, and then a certain amount of proppant is laid between the two rock plates. The rock plate is processed by a downhole core cutting, and the side wall is uniform, and there is a gap between the inner walls of the flow chamber after the bronze chamber. In order to avoid flowing from the gap between the fluid from the wall between the rock plate and the flow chamber, there is a need to disturb the experimental results, and the inner wall of the rock plate and the guide chamber needs to be sealed well. [0003] Related Art Se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B49/00
CPCE21B49/00
Inventor 高新平马辉运杨建彭钧亮韩慧芬彭欢闵建王良周玉超王晓娇
Owner PETROCHINA CO LTD