DEVICE FUNCTIONING AS PACKER OR TEMPORAL STOPGAP Russian patent published in 2008 - IPC E21B33/12 G01V1/00 

Abstract RU 2330931 C2

FIELD: mining.

SUBSTANCE: invention concerns geophysical methods of well investigation and can be applied in well bore zone sealing during logging research. The device comprises a transformable frame holding a fluid-stopping unit. This unit includes a fiber layer made of organic or natural polymers and/or fiber glass. Additionally the device includes fiber a collecting unit made of permeable fabric, net or perforated material. Also the case holds a spring or umbrella unit implementing case expansion in a borehole. The case is made of materials at least poorly soluble in oil well fluid.

EFFECT: streamlining of technology packer placement in a well.

17 cl

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RU 2 330 931 C2

Authors

Din Uilberg

Dates

2008-08-10Published

2006-09-22Filed