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

Claim 0:
1. A washover tool, comprising:
an outer housing;
an inner housing disposed within the outer housing, wherein an annulus is formed between an outer surface of the inner housing and an 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.