Pipe column for horizontal well
A technology for horizontal wells and pipe strings, which is applied in the direction of drill pipes, casings, and drilling equipment. It can solve the problems of large diameter of mechanical water plugging pipe strings, impossibility of water outlet hole plugging, and short plugging distance. It achieves long separation distance, The effect of improving success rate and operation efficiency and avoiding production stoppage
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[0027] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0028] refer to figure 1 , is a structural schematic diagram of an embodiment of water outlet at the toe of the pipe string used for the invention of the horizontal well. In this embodiment, the structure of the tubing string used in the horizontal well proposed by the present invention includes a tubing 1, a safety joint 3, a f...
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