Geothermal well sampler apparatus

G - Physics – 01 – N

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G01N 1/10 (2006.01) E21B 49/08 (2006.01)

Patent

CA 1123232

GEOTHERMAL WELL SAMPLER APPARATUS Abstract of the Disclosure An elongated body member, a portion of which forms a chamber for retaining samples of the liquid and steam con- tents of a geothermal well. A fluid tight seal is formed between an O-ring and a parallel sealing face of a slidable shaft member. The pressure sealing force is adjustably con- trolled by a spring assembly. The spring assembly is adjust- ed so that the sealing force must be overcome before a sample is taken, When the sealing force exerted upon the seal is overcome, the sample chamber is placed in fluid communication with the geothermal borehole by a series of passages which include grooves or slots contained in the slidable shaft member, After sampling is complete the seal is reformed allowing the sampler to be retrieved to a surface location.

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