Patent ID: 9030324
Filing Date: 2015-05-12
Classification: E21B,G06K,H04Q

Abstract:
1. A system for tracking pipe activity on a rig, comprising: a plurality of pipes, each pipe having an asset ID tag containing a code unique to the pipe; a pipe handling space for assembling and disassembling the pipes, the pipe handling space containing at least one pipe handling apparatus; a first scanning zone located at a first position in the pipe handling space, the first scanning zone containing a first reader antenna; a second scanning zone located at a second position in the pipe handling space, the second scanning zone containing a second reader antenna; at least one reader for scanning the asset ID tags in the pipe handling space through at least one of the first antenna and the second antenna; wherein the first reader antenna is separated from the second reader antenna by a distance that is a function of distance of longitudinal separation between two tags attached to the pipes.