Patent ID: 11920420
Assignee: ROBERT DWAYNE WANKAN
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 10:
11. A washover system, comprising:
a control system; and
a washover tool, wherein the washover tool comprises:
an outer housing comprising an inner surface;
an inner housing comprising an outer surface, the inner housing disposed within the outer housing,
an annulus formed between the outer surface of the inner housing and the inner surface of the outer housing;
a front face plate coupled to the inner and outer housings, wherein the front face plate covers an end of the annulus and extends at least from the outer surface of the inner housing to the inner surface of the outer housing; and
a rod member coupled to the outer housing and configured to supply pressurized fluid to the annulus, which pressurized fluid is then ejected through a plurality of openings formed in the front face plate to washover a pipe extending through the inner housing and at least partially buried in the ground;

wherein the control system is configured to supply the pressurized fluid to the rod member and move the washover tool along the pipe.