API Downhole MWD LWD Measure While Drilling High accuracy
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Detailed Product Description
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MWD LWD Measure While Drilling
The MWD adopts mature and reliable positive mud pulse technology.
It transmits stand pipe signals and other data by radio on the ground. There is no need to lay out
cables, which make it easy and convenient for operation. The mud pulse MWD adopts Bus technology. Natural gamma and Azimuth
gamma are optional, and then Depth system should also be used cooperatively to expand
application range of the MWD. Working Principle The Pulser acquires related down-hole data, and the acquired data
is encoded into certain series data string via control unit. The data string controls the movement
of electromagnetic valve, and the circulating mud makes the main valve poppet move synchronously,
thus, mud flow area between the poppet and block ring is controlled. When the poppet is up, the
mud in drill string passes through the block ring smoothly; when the poppet is down, mud flow
area reduces, and then a positive mud pressure pulse is generated inside the drill string. The pressure sensor on the mud pipeline acquires mud pressure
signal with certain frequency and transmits the signal wirelessly. Wireless transceiver connected
with PC receives and processes the pump pressure signal. The signal is decoded into data
by DEES software and the results are transmitted to driller's display wirelessly.
Factory view |
| Product Tags: MWD LWD Measure While Drilling API Downhole MWD LWD API Downhole Measure While Drilling |
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