Measurement, recording, transmission of downhole data while drilling.
MWD, Measurement While Drilling is measurement of geometrical and dynamic parameters such as inclination and azimuth, tool face/sensor orientation, mud pressure and temperature, drilling dynamic.
LWD, Logging While Drilling is measurement of formation petrophysical parameters such as, GR, resistivity, density, neutron, bore hole imaging and formation pressure.
Geologists, Petrophysicists, reservoir engineers, log analysts, geophysicists, drilling and completion engineers, and oil company research and development staff.
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