Built-in grout line for a well casing

Details Built-in grout line for a well casing Built-in grout line for a well casing

1993-07-19

1995-07-25

Neuder, William P.

Wells

Conduit wall or specific conduit end structure

Downhole coupling or connector

138114, E21B 1718

Patent

active

054353874

ABSTRACT:
A combination well casing and grout line for grouting the area of a hole dug for a well between the well casing and the sides of the hole. A number of well casing sections connect end-to-end. Each well casing section is provided with at least one grout line which extends the longitudinal length of the well casing section. The grout line forms a continuous channel upon assembly of the well casing sections and permits a grouting material to fill the remaining open area in the hole outside of the well casing progressively from the bottom to the top.

REFERENCES:
patent: 2357589 (1944-09-01), Holmes
patent: 2479394 (1949-08-01), Montgomery
patent: 2591807 (1952-04-01), Greene
patent: 2662602 (1953-12-01), Schnitter
patent: 3354659 (1967-11-01), Lehmann
patent: 3461960 (1969-08-01), Wilson
patent: 3492823 (1970-02-01), Lamberton
patent: 3844345 (1974-10-01), Evans et al.
patent: 4649995 (1987-03-01), Read

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