G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/24 (2006.01) B09C 1/00 (2006.01) E21B 7/26 (2006.01) E21B 43/08 (2006.01) E21B 49/08 (2006.01) G01N 1/22 (2006.01) G01N 33/24 (2006.01)
Patent
CA 2072467
ABSTRACT A device for sampling gas vapor underground has a probe tip designed to be driven into the ground. The probe tip has a removable sheath that covers a tube having an enlarged conical tip with the tube having multiplicity of apertures in the tube to gather soil gas vapors through the apertures and conduct them through a flexible plastic tube attached to the probe up to the surface of the ground to be monitored. The probe has a flexible disc attached thereto above the apertures to protect the apertures from being filled with earth from above. The apertures also have a screen around them to prevent earth from entering the apertures to plug them. After the probe is in place in the earth, the removable sheath is pulled above ground, leaving the probe to gather gas samples for collection and evaluation at a collection point above ground.
Gowling Lafleur Henderson Llp
Vollweiler Arthur Rick
LandOfFree
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