Flexible sensor tube and method for determining a concentration

Details Flexible sensor tube and method for determining a concentration Flexible sensor tube and method for determining a concentration

1995-06-19

1996-12-31

Noland, Thomas P.

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

73 3107, 73 6456, G01N 3700

Patent

active

055896472

ABSTRACT:
A flexible sensor tube for determining a concentration curve of a medium along a path includes a flexible tube being formed of a material having good permeability to the medium and having an inner surface being completely provided with a thin coating of a material having poor permeability to the medium. A flexible tube of a material having good permeability to the medium may also be coated on the inner surface with a material being impermeable or having poor permeability to the medium, with a narrow strip extending in the longitudinal direction of the flexible tube being left free. In addition, a band being formed of a material being impermeable or having poor permeability to the medium, can be bent into the shape of a trough, while a slot-like aperture remains free. The slot-like aperture is closed by a strip being formed of a material having good permeability to the medium and extending in the longitudinal direction of the band.

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Publication: Oil & Gas Journal, 89, Sep. 9, 1991, No. 36, Tulsa, Oklahoma, (SPERL) pp. 47-52, "System pinpoints leaks on Point Arguello offshore line".

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