Hydraulic gentle vibration speed-enhancing drilling tool
AssigneeSouthwest Petroleum University
InventorsXiaohua Zhu, Jun Jing
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AssigneeSouthwest Petroleum University
InventorsXiaohua Zhu, Jun Jing
Estimating the term…
A hydraulic gentle vibration speed-enhancing drilling tool has an upper joint, a power assembly, a flow regulating valve assembly and a force transmission assembly. The upper end of an outer shell of the power assembly is in threaded connection with the upper joint of the drilling tool, at the lower end thereof, internal steps having outer octagonal structure are arranged to limit the lower joint; a middle section of the lower joint is of outer octagonal structure, with the lower end in threaded connection with an adapter; and the power assembly is of turbine set structure or screw-type mud motor structure for producing driving force under the action of hydraulic force and driving an upper rotating shaft. The upper rotating shaft is arranged on a load bearing ring, and the lower end thereof is in threaded connection with a lower rotating shaft.
A hydraulic vibration speed-enhancing drilling tool, comprising:
Dependencies are inferred from the claim text.