E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 49/08 (2006.01) E21B 33/127 (2006.01) E21B 43/12 (2006.01) E21B 47/00 (2006.01)
Patent
CA 2171155
A fluid sampling apparatus for use in a hole in the earth having a rigid wall and containing a fluid comprising a flexible tubular member extendable within the hole and inflatable to a diameter effective to urge the tubular member against the rigid wall. At least one fluid pump is in communication with the tubular member and the hole for transferring fluid between the tubular member and the hole whereby the tubular member is inflated as the fluid is transferred from the hole into the tubular member and the tubular member is deflated as the fluid is transferred from the tubular member to the hole. The flexible tubular member may be adapted to contain at least one instrument for sampling and measuring fluids.
La présente invention vise un appareil d'échantillonnage de fluide pour utilisation dans un trou dans le sol comportant une paroi rigide et contenant un fluide. L'appareil d'échantillonnage comporte un élément flexible tubulaire prévu pour pénétrer dans le trou et se gonfler jusqu'à atteindre un diamètre suffisant pour s'appuyer contre la paroi rigide. Au moins une pompe est raccordée à l'élément tubulaire et au trou, pour le transfert du fluide entre l'élément tubulaire et le trou, agissant de façon que l'élément tubulaire se gonfle lors du transfert du fluide du trou vers l'élément tubulaire et, à l'inverse, se dégonfle lors du transfert du fluide de l'élément tubulaire vers le trou. L'élément tubulaire flexible peut être adapté pour contenir au moins un instrument échantillonneur-doseur de fluide.
Ptak Thomas
Schirmer Mario
Teutsch Georg
Gowling & Henderson
Ptak Thomas
Schirmer Mario
Teutsch Georg
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