Downhole Drilling Application: High Pressure High Temperature Brushless DC Motors

The Oil and Gas exploration and drilling process has become more complex as it reaches deeper than ever before. An increase in the number of directional or “geosteering” operations has driven the need for improved Measurement-While-Drilling (or MWD) logging equipment, which is used to provide realtime positional data to assist with the proper orientation and steering of the drill.

While there are a few different methods employed today, it is common for the mud “pulsing” poppet valve to be controlled through the use of BLDC motors rotated at short (i.e. 100 to 300 milli-second) burst every few seconds throughout the MWD process.

Download this application note to learn more about Sensata products in mud pulsing operations.