Research on torque of based hydraulic rotary hole cleaning tool on Halbach permanent magnet array
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2021.108520
Abstract: Abstract: The hydraulic rotary hole cleaning tool does not require a drill string to provide torque, so it is compatible with downhole motors in the sliding phase of directional drilling. It facilitates efficient cutting cleaning,… read more here.
Keywords: hydraulic rotary; torque; magnet array; magnet ... See more keywords
Oil film thickness analysis of the sealing surface for hydraulic rotary rectangular vane actuator
Sign Up to like & getrecommendations! Published in 2018 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-01-2017-0015
Abstract: This paper aims to establish a numerical model to calculate contact pressure for rectangular vane sealing surface of hydraulic rotary actuator. Numerical model can be applied to solve the steady-state Reynolds equation after the oil… read more here.
Keywords: vane; hydraulic rotary; oil film; sealing surface ... See more keywords