Hard electrode combined logging instrument for logging drill well
A well logging instrument and drilling technology, which is applied in measurement, borehole/well components, earthwork drilling and production, etc. It can solve the problems of increasing logging risk, lengthening the occupied well, increasing the cost of drilling companies, etc.
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[0040] The following content will describe in detail the specific implementation of the present invention in conjunction with the accompanying drawings:
[0041] see figure 2 , for the hard electrode combination of the present invention, the logging instrument is composed of a return electrode 1, an emission electrode 2 and an electronic circuit 3; the return electrode 1 and the emission electrode 2 are all provided with an electrode ring, and the electrode ring is connected to the One end of the electronic circuit is connected. Among them, the electronic circuit includes a power supply circuit, a measurement amplifier circuit, a scale circuit, a power control circuit and a communication interface circuit. Among them, the length of the return electrode 1 of the logging tool is 4445mm, the length of the emitting electrode 2 is 4590mm, the length of the electronic circuit is 1080mm, and the outer diameter is 92mm. The recording points of the logging tool include 2.5M gradient ...
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