PORT OF LIGHT CONNECTION FOR USE ON WELL INSTRUMENTS Russian patent published in 2015 - IPC E21B47/135 G08C23/00 

FIELD: measurement equipment.

SUBSTANCE: invention relates to the field of instruments moving in shafts of wells, drilled via underground beds of mountain rocks. A well measurement instrument comprising a jacket made as capable of displacement inside the well shaft, at least one sensor made as capable of measurement of the well shaft parameter, a controller installed in the jacket comprising at least one of the following: a data saving device and an operation control device, at least for one sensor, and the first port of optic connection installed in the first opening in the jacket, besides, the first port of optic connection includes a light source controlled with the help of electricity, besides, the first hole in the jacket tightly closed by the port plug having an optically transparent window, besides, the port plug is made as capable of resisting the inlet of fluid medium of the well inside the jacket, and the second port of optic connection installed in the second opening in the jacket, besides, the second port of optic connection includes a photodetector, besides, the second opening in the jacket is tightly closed with the port plug, having an optically transparent window, besides, the port plug is made as capable of resisting inlet of fluid medium of the well inside the jacket.

EFFECT: transmission of data on working condition of an instrument and/or data saved in the instrument, and/or transmission of control signals and working instructions to such instruments during location of instruments on earth surface.

13 cl, 5 dwg