Washover Shoes

Application

The Washover Shoes are designed to mill away metal objects, cement, cemented metal pieces in string-borehole annular space during fishing jobs in oil, gas and exploratory well bores.

Construction

The Washover Shoe consists of tubular body made from high-strength alloy steel and sintered tungsten-carbide particles intruded into a brass-containing matrix. The Shoes are manufactured in various designs:

Shape of the upper part of the tool body:

Type 11F – with face for welding;
Type 12F – with connecting thread;
Type 13F – with boring for threading;
Type 14F – with tool joint thread.

Shape of the cutting-milling edges of bottom end surface:

Type 1 – plain;
Type 2 – corrugated;
Type 3 – tapered;
Type 4 – teethed;

Shape of cutting-milling edges wall:

Type A – flush-mounted with the body;
Type B – outjutting;
Type C – injutting;
Type D – jutting out & in;

Shape of inside and outside surfaces of the middle part of body

« » – Plain;
Type K - with longitudinal grooves on outside surface and with spiral grooved on inside surface; (is not available for mills 14F)

When ordering, please specify:

OD of Washover Shoe Body;
ID of Washover Shoe body;
Body length (400… - 800 mm);
OD of cutting-milling soldering;
ID of cutting-milling soldering;
Shape of cutting surface of soldering (plain, corrugated, teethed, tapered);
Type of connecting thread and version (LH or RH) if order mill with thread;
Tungsten carbide grains size (fine, middle, large);
Additional requirements to the mills design if needed.
Depth of washover part for mill 14Ф (400mm, 600mm, 800 mm).