Electromagnetic MWD allows fast data transmission from bottomhole to the surface.
Locating Acoustic Boundaries for Geosteering While Drilling.
Hydrodynamics in Borehole-Formation System >>
Determining pressure distribution in any point of system "well-formation" during production, build up, swab-surge etc.
Prevent gas blowouts during drilling.
Heat Exchange in Borehole-Formation System >>
Determine temperature distribution in any point of the system during washing, drilling, fracturing etc.