Circulating washer tool

摘要: This elongated circulating washer tool has spaced packing means between its ends and a primary lower, axially downward opening fluid conducting port. It also an upper, secondary radially outward port upper lower about the exterior of above below Primary valving devices are related to ports operatively connected together. A bypass conducts packing, through by or past then back into well structure packing. The valve is rotary disk ball type while ported sleeve type. (10 claims)