A Casing Cleaning Tool

A well cleaning tool comprising:

• an elongate body having a longitudinal axis;
• a central fluid bore aligned with the longitudinal axis;
• a cleaning element mounted on the elongate body and being displaceable with respect to the elongate body in a direction inclined to the longitudinal axis, wherein the cleaning element comprises at least one fluid channel in fluid communication with the central fluid bore and extending through the cleaning element in a direction inclined to the longitudinal axis;
• and
• a biasing means for biasing the cleaning element in a direction inclined to the longitudinal axis, wherein the biasing means comprises a resiliently deformable plate member mounted between the elongate body and the cleaning element.