摘要 |
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 |