Dual phase sampler

Details Dual phase sampler Dual phase sampler

1990-10-26

1992-11-10

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

7386331, G01N 100

Patent

active

051614170

ABSTRACT:
To obtain two or more fluid samples simultaneously, a sampling probe is provided which has an outer tube coaxially disposed about an inner tube. The ends of the inner tube and outer tube are typically spaced apart longitudinally, so that they may be positioned at different locations within a pipeline. Fluid flows through the inner tube and through the annulus formed between the inner tube and the outer tube. The fluid is then withdrawn from the inner tube and from the annulus for testing.

REFERENCES:
patent: 3085435 (1963-04-01), Miscoe et al.
patent: 3552211 (1971-01-01), Dollinger et al.
patent: 4009739 (1977-03-01), Weatherford
patent: 4413533 (1983-11-01), Diesel
patent: 4461347 (1984-07-01), Layton et al.
Standard Practice for Sampling and Handling Cyclic Products, in Annual Book of ASTM Standards, D3437-78, pp. 786-790, Jan. 1979.
Standard Method of Sampling Liquidifed Petroleum (LP) Gases, in Annual Book of ASTM Standards, D1265-77, pp. 80-83, Aug. 1977.
Standard Test Method for Obtaining Hydrocarbon Fluid Samples Using a Floating Piston Cylinder, In Annual Book of ASTM Standards, D3700-78, pp. 398-402, Oct. 1978.
Standard Practice for Manual Sampling of Petroleum and Petroleum Products, in Annual Book of ASTM Standards, D4057-81, pp. 649-672, Oct. 1981.

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