Test oil with pressure chip catcher
A chip catcher and oil testing technology, which is applied in the direction of production fluid, wellbore/well components, earthwork drilling and production, etc., can solve the problems of inability to continuously remove sand, poor sand removal effect, inconvenient use, etc., and achieve reasonable structure and effective Good, easy to use effect
Active Publication Date: 2016-06-29
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology
[0003] The present invention provides a chip catcher with pressure for oil testing, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the problem of traditional desander, sand removal The effect is poor; and it is easy to block, unable to remove sand continuously, and inconvenient to use
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[0019] The present invention is not limited by the following examples, and specific implementation methods can be determined according to the technical solutions of the present invention and actual conditions.
[0020] In the present invention, for the convenience of description, the description of the relative positional relationship of each component is based on the description attached to the description. figure 1 The layout method is described, such as: the positional relationship of top, bottom, left, back, etc. is based on the attached figure 1 determined by the layout direction.
[0021] Below in conjunction with embodiment and accompanying drawing, the present invention will be further described:
[0022] as attached figure 1 , 2 As shown, the chip catcher under pressure for oil testing includes the first chip catcher assembly and the second chip catcher assembly, the inlet tee 1 and the outlet tee 2 with the same structure; the inlet tee 1 and the outl...
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The invention relates to the technical field of desander, and is a chip catcher under pressure for oil testing; it includes a first chip catcher assembly and a second chip catcher assembly, an inlet tee and an outlet tee with the same structure; The first chip catcher assembly and the second chip catcher assembly are connected between the inlet tee and the outlet tee; the first chip catcher assembly and the second chip catcher assembly include upstream connecting manifolds, Reflector desander, cyclone desander, backwash nipple and downstream connection manifold. The invention has a reasonable and compact structure, and is easy to use; at the same time, it adopts reflection desanding and swirl desanding to improve the desanding efficiency and has good effect; the first debris catcher assembly and the second debris catcher assembly can be alternated during the sand removal process Use to achieve the continuity of sand removal; in the case of blockage of the first dust catcher assembly or the second dust catcher assembly, the injected flushing fluid is reversed to flush the reflection sand removal device and the cyclone sand removal device Sand discharge, easy to use.
Description
technical field [0001] The invention relates to the technical field of sand removers, and relates to a chip catcher under pressure for oil testing. Background technique [0002] In oilfield production, since the liquid retreat volume (or output) after large-scale fracturing in tight oil reservoirs has not reached the expected effect, it is necessary to perform milling operations on fracturing graded composite bridge plugs, fracturing balls and ball seats; A large amount of debris and fracturing residual sand will be produced during the drilling and grinding process under pressure. The debris and fracturing residual sand will erode or block the ground drainage process, making the grinding and milling operations unable to proceed normally; so the debris and fracturing residual sand It is very necessary to clean the sand in time; however, the traditional desander has poor sand removal effect and cannot completely remove the debris and fracturing residual sand in the manifold; a...
Claims
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IPC IPC(8): E21B43/38
Inventor 魏少波米红学李国亮刘世昌陈峰望安辉梁祖德
Owner BC P INC CHINA NAT PETROLEUM CORP