Abstract: An EMI shielded connector is provided having an exterior receptacle shell, plug housing and coupling member constructed of plastic. Metallic sleeves line the shell and housing interiors and enclose insert assemblies. The sleeves are releasably engaged at a joint connection to provided electrical continuity through the connector for EMI protection. A junction means may be used to enhance electrical communication at the joint connection and a sealing member is used for environmental protection of the connector interior parts.

Abstract: An electrically conductive block assembly is provided for positioning contact pins in an electrical connector and dissipating high energy voltage pulses to a ground. A voltage variable material is used to space the pins out of direct contact with the block. The block is in electrical communication with a grounded electrical connector housing. High voltage pulses to the contact pins will divert into the voltage variable material, through the block and to the grounded housing.

Abstract: A method and system for processing induction measurements of sub-surface formations taken by an induction logging system at various depths in a borehole is disclosed. The method reduces the unwanted contributions in the measurements from induction currents flowing in the formations spaced apart from each measurement depth (shoulder effect) and the effects of variations in the logging system transfer function with variations in the conductivity of the formations being investigated (skin effect). Shoulder effect is reduced by generating a spatial deconvolution filter which when convolved with the sonde response function sharpens the main lobe and reduces the sidelobes to near zero. The skin effect is reduced by filtering the quadrature-phase component measurements according to a non-linear spatial filtering function to obtain a correction component measurement representative of the change in the sonde response function as a function of the formation conductivity.

Abstract: A method and system for processing induction measurements of sub-surface formations taken by an induction logging system at various depths in a borehole is disclosed. The method reduces the unwanted contributions in each measurement from induction currents flowing in the formations spaced apart from each measurement depth. The spatial domain sonde response function obtained at zero conductivity is Fourier transformed and truncated at a spatial frequency less than the spatial frequency at which the transformed function first goes to zero. A Kaiser window transfer function is then selected and the inverse Fourier transform of the ratio of the Kaiser window function to the transformed truncated sonde response function is formed to obtain a deconvolution filter function which when convolved with the sonde response function reduces the non-zero sidelobes in the system response function and thus reduces the shoulder effect.