US Patent 10392879 Tong assembly with torque measurement

The present disclosure generally relates to a tong assembly for making up and breaking out a tubular connection such as a connection between two tubulars in a tubular string. The tong assembly includes a power tong, a backup tong and a load transfer assembly connected between the power tong and the backup tong. The load transfer assembly comprises a torque bar and one or more sensors to measure a torque exerted on the torque bar. The torque measurements of the torque bar may be used to monitor the torque exerted on the tubular string by the tong assembly.