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Digital acquisition processing system of dual-induction logging instrument
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Gas holdup optical sensor integrated optical well logging system
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Multifunctional optical machining miniature machine tool for optical fiber end faces
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Remote transmission system for realizing high-speed transmission by utilizing OFDM (Orthogonal Frequency Division Multiplexing) technology
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Lithologic density long-spacing data acquisition and processing thick film circuit
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Lithologic density short-spacing data acquisition processing thick film circuit
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Acoustic logging method capable of simultaneously acquiring various longitudinal resolutions
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Modularized circuit for compensated neutron pre-stage amplifying circuit
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Sealing structure of rotary bridle
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2009-10-14
Pressure transmission structure
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2009-10-14
Underground backup emergency escape system of logging instrument
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2009-10-14
Memorial continuous high-speed telemetry data transmission method
CN102041991A
2009-10-14
Pressure balancing mechanism
CN102041989A
2009-10-14
Logging ground system power supply and data bus anti-jamming circuit
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2009-10-12
Digital sound wave and variable-density comprehensive logging instrument
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2009-10-12
Pressure checking device of pressure sensor
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2009-10-12
Connecting device for electronic instrument framework and bearing disc
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2009-10-12
Natural gamma shockproof probe
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2009-10-12
Digital acoustic wave multilevel underground instrument capable of realizing real-time automatic gain control
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2009-10-12
Multichannel AD (Analog-to-Digital) concurrent conversion acoustic logger
