发明名称 |
Device used in the form of a packer or a temporary plug |
摘要 |
This invention relates to geophysical research techniques, more particularly, to geophysical well logging methods, and may be used to seal near-wellbore formation during logging activities. |
申请公布号 |
US9309743(B2) |
申请公布日期 |
2016.04.12 |
申请号 |
US200712311200 |
申请日期 |
2007.09.18 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
Willberg Dean |
分类号 |
E21B33/134;E21B33/136;E21B33/12 |
主分类号 |
E21B33/134 |
代理机构 |
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代理人 |
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主权项 |
1. A device functioning as a packer or temporary plug including a case, and transformable into a device preventing oil-well fluid passage in which the device and a liquid-passage preventing substance is located, wherein the liquid-passage preventing substance is a pack of fibres made of organic or natural polymers and/or glass fibre, wherein the case is expanded in-well by a spring or hinged umbrella mechanism, wherein the case is made of materials at least low-soluble in the oil-well fluid, and wherein the case self-destructs or decomposes in a well environment during a wellbore activity. |
地址 |
Sugar Land TX US |