Patent ID: 6580449
Filing Date: 2003-06-17
Classification: E21B

Abstract:
An inspection instrument for insertion into a borehole for viewing the condition and contents of the borehole, the inspection instrument connected to a surface station by means of a cable, the inspection instrument comprising:a housing having a longitudinal axis, a proximal end, and a distal end, the proximal end connected to the cable; a camera enclosed within the housing and having a field of view outside the housing; a light source enclosed within the housing and separated longitudinally from the camera; an elliptical reflector disposed about the light source to reflect light generated by the light source to a focal point; a light conductor having a proximal end disposed at the focal point for receiving light reflected by the reflector, the light conductor having a distal end disposed at the camera and oriented to radiate light into the field of view of the camera.