Deviation for suspension of filling with gravel, apparatus and method for conducting suspension filling with gravel, method for filling a hole with gravel pit, and combined with gravel filling

摘要

Deviation for suspension of filling with gravel, apparatus and method for conducting suspension filling with gravel, method for filling a hole with gravel pit, and set of filling with gravel deviation for suspension for filling with gravel for use between a hanger and a screen. A set of filling with gravel.The gap includes a section of tubing connected between the crosshead and the screen. A coating is carried in the pipe. A seal is carried in the coating to block flow of suspension in a circular crown outside of the coating. The deviation is dimensioned and positioned to provide a path of flow diversion for suspension on a rat hole.