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Wireline Memory Dual-mode Logging System

The tools work at ambient temperature of 175°C, pressure of 140MPa. The tool O.D. is Φ73mm and suitable for deep well logging. The system consists of a surface system, and downhole logging tools. Tools could be run on either cable or memory logging modes.
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DTTR Temperature Tension Resistivity Logging Tool

It can measure the tension/temperature/resistivity of the drilling fluid in an axial direction at the top of tool string in real time.
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DTMGP Telemetry-Memory and GR Downhole Tool

It can be used in both wireline mode and memory mode,and save all logging data and measure the natural gamma ray.
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DCNT Compensated Neutron Logging Tool

An americium-beryllium (Am-Be) neutron source is used to continuously emit fast neutrons into the formation, and two He-3 proportional counter tubes are used to measure the hydrogen content of the formation, thereby calculating the porosity of the rock formation.
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