Measurement While Drilling Mechanism & Components
All the Measurement While Drilling MWD systems commercially available is based on some form of mud pulse telemetry. Although several different companies offer an MWD service, there are certain similarities among the systems being used. The major components of a mud pulse telemetry system are shown in Fig. 1. The downhole components are all housed in a nonmagnetic drill collar. This is a special collar supplied by the MWD company.
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