Introduction
The 360 degree rotating downhole viewing system is specially applicable to engineering hydrogeology, observation of various anomalies and defects in various observation piles of geological bodies in boreholes, water well maintenance, detection of cracks, dislocation, downhole falling objects, filter pipe hole blockage and quicksand position of well wall, and is applicable to oil fields, geological freezing holes, geological prospecting, geotechnical engineering Engineering quality inspection and other related industries.