Invention Grant
- Patent Title: Lower stabilizing arm for a drilling rig
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Application No.: US15309825Application Date: 2016-11-08
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Publication No.: US10294739B2Publication Date: 2019-05-21
- Inventor: Melvin Alan Orr , Joe Rodney Berry , Robert Metz
- Applicant: Schlumberger Technology Corporation
- Applicant Address: US TX Sugar Land
- Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee Address: US TX Sugar Land
- Agent Rachel E. Greene
- International Application: PCT/US2016/060885 WO 20161108
- International Announcement: WO2017/087200 WO 20170526
- Main IPC: E21B19/14
- IPC: E21B19/14 ; E21B19/24 ; F16L1/20

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.
Public/Granted literature
- US20170268302A1 LOWER STABILIZING ARM FOR A DRILLING RIG Public/Granted day:2017-09-21
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