发明名称 |
Apparatus and method for performing downhole measurements |
摘要 |
An apparatus for performing a function in a flowing fluid includes an apparatus body and a drag member associated with the apparatus body and configurable between drag configuration for moving with the fluid wherein the apparatus has a first drag and a reduced drag configuration for moving against the fluid wherein the apparatus has a second drag which is less than the first drag. <IMAGE> |
申请公布号 |
EP1174585(A2) |
申请公布日期 |
2002.01.23 |
申请号 |
EP20010117360 |
申请日期 |
2001.07.17 |
申请人 |
INTEVEP SA |
发明人 |
RANSON, AARON;ZAPICO, JOSE;ESPIN, DOUGLAS;ARAUJO, MARIELA |
分类号 |
E21B23/00;E21B23/08;E21B27/02;E21B41/00;E21B47/00;E21B47/12 |
主分类号 |
E21B23/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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