a wellbore cleanup tool and method are described . in one embodiment , the fluid is displaced with a cup seal into the tubing / drill pipe as the seal is lowered into the wellbore . in another embodiment reverse circulation directs debris into the tubing / drill pipe as it is loosened on the trip into the hole . the returning fluid laden with debris can be directed to either below the cleaning equipment or above it when used with a cup seal and a return port adjacent to it .