APPARATUS TO ALLOW A COILED TUBING TRACTOR TO TRAVERSE A HORIZONTAL WELLBORE

摘要

Apparatus and methods are provided for removing sand and/orother fill material located in a wellbore ahead of a coiled tubing tractor anddisplacing the material behind the tractor. More particularly, the apparatusand methods of the present invention allow a coiled tubing tractor to driveforward in a wellbore by removing fill material in front of the tractortherebyallowing the wheels or traction pads of the tractor to remain in contact withthewellbore.