Direct Torque Helical Displacement Well and Hydrostatic Liquid Pressure Relief Device

摘要

A helical displacement well with preassembled segments includes a preassembled shaft-forming penetrator tube including helical plates mounted to its exterior that may be rotated to propel the casing into the ground. A hydraulic drill motor rotates the penetrator tube and as it moves deeper into the ground. Extension tubes may be added to and coupled to the penetrator tube. A hydraulic drill motor is attached to the upper end of the extension tubes in order to continue the rotation of the assembled helical displacement well. The filter screen and the piping are installed concurrently with the addition of the extension tubes at the surface of the ground.

主权项

1. A helical displacement well for expediently penetrating the ground, including a preassembled penetrator tube for rotary insertion in the earth, said preassembled penetrator tube including a rectilinear external casing with a cylindrical wall having internal and external surfaces, a longitudinal axis, a ground penetrating end for insertion in the ground and an upper end for extending from said ground penetrating end toward the surface of the ground,
a pile point at said ground penetrating end of said rectilinear external casing of said penetrator tube shaped for penetrating the ground and for closing passage of soil into said penetrating end of said rectilinear external casing, a configuration of at least one externally extending helical plate mounted about said external casing adjacent said ground penetrating end for engaging the soil surrounding said external casing and angled with respect to the longitudinal axis of said external casing for progressively moving said well into the ground in response to rotation of said external casing of the penetrator tube about said longitudinal axis, said external casing of said penetrator tube defining there through a plurality of openings for the passage of water from about said external casing into said external casing, at least one insert positioned within said external casing of said penetrator tube defining a plurality of filter openings of a size to pass liquid there through and to impede the movement of soil from outside said external casing through said insert, whereby said penetrator tube, helical plate, pile point and insert may be simultaneously rotatably driven into the ground.