DRILL FOR SUBSOIL AIR SAMPLING Russian patent published in 2024 - IPC G01N1/22 

FIELD: sampling.

SUBSTANCE: invention relates to gas sampling means. Disclosed is a drill for subsoil air sampling, consisting of a body with air intake holes and a drilling mechanism. At that, the drilling mechanism is made in the form of a steel tape of the same width, uniformly along the spiral forming the Archimedes screw, butt welded to the drill body along its entire length, at that, the drill body is made in the form of a hollow pipe, in the wall of which there are holes arranged along the spiral under the steel tape of the Archimedean screw at equal intervals with pitch within 1/4–1/3 of the pipe circumference, and the lower hole in the wall of the hollow pipe is made 2–5 cm above the lower end of this pipe, wherein a removable borer is attached to the lower end of the hollow pipe, protruding part of the borer is made in the form of sharp blades, and inside the hollow pipe there is a sealing packer with a hole connected to the gas discharge pipe.

EFFECT: invention provides expansion of application field of drill for subsoil air sampling due to possibility of air sampling from specified depth of soil of different density.

1 cl, 2 dwg