Invention Grant
- Patent Title: Autonomous connection evaluation and automated shoulder detection for tubular makeup
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Application No.: US16450492Application Date: 2019-06-24
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Publication No.: US10969040B2Publication Date: 2021-04-06
- Inventor: Rainer Ruehmann , Benjamin Sachtleben , David Geissler
- 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: F16L15/00
- IPC: F16L15/00 ; E21B19/16 ; E21B44/00 ; G01L5/24 ; E21B17/042

Abstract:
A method of connecting a first threaded tubular to a second threaded tubular includes engaging the threads of the tubulars and rotating the first tubular relative to the second tubular to makeup a threaded connection. The method further includes, during makeup of the threaded connection: measuring time, measuring torque applied to the connection, and measuring turns of the first tubular. The method further includes using a programmable logic controller for: evaluating at least one of the measured turns, measured torque, and measured time for at least one of a discontinuity, a torque spike, and a torque drop and accepting or rejecting the connection based on the evaluation.
Public/Granted literature
- US20190309878A1 AUTONOMOUS CONNECTION EVALUATION AND AUTOMATED SHOULDER DETECTION FOR TUBULAR MAKEUP Public/Granted day:2019-10-10
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