Invention Grant
- Patent Title: Apparatus and method of connecting tubulars
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Application No.: US15455515Application Date: 2017-03-10
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Publication No.: US10465458B2Publication Date: 2019-11-05
- Inventor: Rainer Ruehmann , Christina Karin Hebebrand
- Applicant: Weatherford Technology Holdings, LLC
- Applicant Address: US TX Houston
- Assignee: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
- Current Assignee: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
- Current Assignee Address: US TX Houston
- Agency: Patterson+ Sheridan, LLP
- Main IPC: E21B19/16
- IPC: E21B19/16 ; E21B17/042 ; G01L5/24

Abstract:
The present disclosure generally relates to a method for making up a tubular joint. The method includes rotating a first tubular relative to a second tubular to engage the first and second tubulars while measuring a torque between the first and second tubulars, calculating a set point of a relative rotational speed between the first and second tubulars using the measured torque, and using the calculated set point with a closed-loop controller to control the relative rotational speed between the first and second tubulars.
Public/Granted literature
- US20180223609A1 APPARATUS AND METHOD OF CONNECTING TUBULARS Public/Granted day:2018-08-09
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