Schlumberger Technology Corporation

Øyvind Olimstad

Brynjulv Aas

Magnus Berg

A system for monitoring a drilling rig condition, the system comprising: a travelling block suspended via a drilling line from a crown block at the top of a mast of the drilling rig; a frame to which the drilling tools and/or a pipe string is mounted; at least one tie rod that connects the frame to the travelling block, wherein the at least one tie rod comprises a tensile sensor; and a control system that receives a signal corresponding to tension sensed by the tensile sensor, wherein the control system determines a drilling rig condition based at least in part on the signal received from the tensile sensor.

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Kristiansand, Norway

Øyvind Olimstad