Pulse neutron logging tool control and transmission system
专利汇可以提供Pulse neutron logging tool control and transmission system专利检索，专利查询，专利分析的服务。并且An illustrative embodiment of the invention measures the thermal neutron decay time in earth formations traversed by a borehole. For example, with a latching relay downhole, only one electrical conductor and a ground return is needed to send power and neutron generator control signals to the logging tool. The repetition rate and the duration of the neutron bursts, as well as the decay time measurements, all are regulated automatically through downhole circuits in response to the neutron characteristics of the formation under study. The single conductor and ground return also transmit the decay time measurements to the earth''s surface. A gate enabling relay downhole also responds to direct current signals and selects detector count information for transmission to the surface through a manipulation of the thermal neutron decay time information signal polarity. Other information signals, of which casing collar locator signals are typical, also can be transmitted through the conductor.，下面是Pulse neutron logging tool control and transmission system专利的具体信息内容。
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