Patent · US Active

Lower stabilizing arm for a drilling rig

US10294739B2 · kind B2 · utility

4Cited by
21References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2016
Grant dateMay 21, 2019
Priority date
Expiry dateNov 8, 2036

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L1/207
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A lower stabilizing arm for stabilizing tubulars for stabbing to the threaded connections of a drill string on drilling rigs. The lower stabilizing arm comprises a bracket and an upper arm having an upper end and a lower end. An upper pair of axially opposed rotary actuators connects the upper end of the upper arm to the bracket. A lower arm is provided having an upper end and a lower end. A central rotary actuator is connected between the lower end of the upper arm and the upper end of the lower arm. A roller bracket is provided having a pair of v-shaped rollers mounted on the roller bracket. A lower pair of axially opposed rotary actuators connects the second end of the lower arm to the roller bracket.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.