boresscope

A boresscope is a specialized optical instrument used for inspecting the interior of long, narrow passages, most commonly boreholes drilled for geological surveys or oil and gas exploration. It typically consists of a long, flexible or rigid rod equipped with a camera and illumination system at its tip. This allows for visual examination of the borehole walls, detecting anomalies such as fractures, obstructions, or changes in geological formations.

The boresscope transmits video or still images to a display unit, enabling operators to analyze the subsurface conditions without needing to retrieve the borehole casing or perform more invasive sampling methods. Some advanced borescopes also incorporate tools for taking measurements or collecting small samples. The design prioritizes durability and the ability to withstand the harsh conditions often encountered in subterranean environments, including high pressures and corrosive fluids. Its applications extend beyond geology to include industrial inspections of pipes and shafts.