High-sealing flux-cored soluble ball
A high-sealing and drug-core technology, which is applied in the fields of sealing/isolation, wellbore/well components, earthwork drilling and production, etc., can solve the problems of high production cost, low operation efficiency, and unguaranteed sealing performance, so as to improve operation success rate, the effect of accelerating the dissolution rate
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[0024] In order to describe the technical solutions of the present invention in detail, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and...
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