Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.) > Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.) > Cable or wire (e.g., conductor as support, etc.) > Patents

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Browse by Category: Main > Communications

Class Information
Number: 340/854.9
Name: Communications: electrical > Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.) > Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.) > Cable or wire (e.g., conductor as support, etc.)
Description: Subject matter wherein an electrical information or control signal is transmitted over an electrical conductor forming an elongate element.

Sub-classes under this class:

Class Number	Class Name	Patents
340/855.1	Coupling connection structural feature	42
340/855.2	Single conductor cable or wire	32

Patents under this class:

1 2 3

Patent Number	Title Of Patent	Date Issued
4012712	System for telemetering well logging data	Mar. 15, 1977
3979716	Means and method for transmitting a high count rate pulse signal over a common well logging cable	Sep. 7, 1976
3957118	Cable system for use in a pipe string and method for installing and using the same	May. 18, 1976
3935556	Dual function logging tool and method	Jan. 27, 1976