Washpipe Description of Drilling Rig Spare Parts:

The top drive is a key component combing the function of the swivel and Kelly drilling system, in contrast to the Kelly and rotary table drilling system, which drives the drill string from the top end. In contrast to the Kelly drilling system.

High press washpipe Function of Drilling Rig Spare Parts:

The faucet flushing packing system reduces the effective differential pressure by providing pressurized lubricant to the low-pressure side of the seal to increase seal life. The pressure of the high-pressure lubricating oil is predetermined according to the proportion of the mud. The value is between the mud pressure and the atmospheric pressure. Usually, each sealing ring is subjected to the same pressure difference.

Drilling Rig Spare Parts Washpipe Technical Specification