发明名称 DEVICE FUNCTIONING AS PACKER OR TEMPORAL STOPGAP
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
申请公布号 RU2330931(C2) 申请公布日期 2008.08.10
申请号 RU20060133823 申请日期 2006.09.22
申请人 SCHLUMBERGER TECHNOLOGY B.V. 发明人 DIN UILBERG
分类号 E21B33/12;G01V1/00 主分类号 E21B33/12
代理机构 代理人
主权项
地址