MWD( Measurement While Drilling), wireless MWD can timely measure in the process of drilling, which kept drilling, downhole mud pulse generator sends the data measured by the detector to the ground, by collecting and processing computer system, get well parameters and formation parameters in real time. The LWD can measure the inclination angle, azimuth, tool face angle and stratum gamma ray intensity during drilling. It can provide well parameters and stratigraphic evaluation data for drilling in large deviated wells and horizontal wells. This instrument is a necessary technical equipment for improving drilling speed and ensuring drilling quality in directional well and horizontal well drilling operation.
LWD (Log While Drilling ), the first is to measure the resistivity, then the neutron, the density, etc. The difference between the parameters and the parameters obtained is different.
MWD is mainly measured with drills. Well, well, azimuth measurement tools face (magnetic, gravity), guiding drilling.
On the measurement of LWD in wells, and the tool surface inclination, azimuth measuring resistivity, natural gamma, wells, porosity, density and so on, it can replace the cable logging now.
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