| 摘要 |
A device for sealing and closing a well includes a body with opening, sealing insert and connecting branch pipe. The body is arranged as a hollow bottomless cone, angle in the upper part of that is equal to 60-90°, on the surface of the body not less than two packing inserts are installed, each of those is arranged as a shell-plug in which a pneumatic cylinder is installed, at that the connecting branch pipe is placed in the upper part of the cone-like body, and in the lower part of the body at its outer surface holders for ballast loads are installed. |
