China Vigor UBHO ( Universal Bottom Hole Orientation Sub ) or Muleshoe Sub are used in directional drilling BHA, which runs directly below a drill collar and contains a landing sleeve for directional survey equipment, providing for fluid flow control at the bottom of the drill stem. It is manufactured from AISI4145H with an API connection.
Various OD sizes are available to meet specific directional drilling. China Vigor supplies designs and tools. In addition to UBHO subs, we also supply the non-magnetic Drill Collar, Gyro. Contact us for further information on Directional Drilling tools.
