| 发明名称 |
ИНСТРУМЕНТ И СПОСОБ ДЛЯ ОЦЕНКИ ПЛАСТА |
| 摘要 |
A downhole fluid pump including a pump chamber, and a piston disposed in the pump chamber so that the piston will move in one selected from a charge stroke and a discharge stroke when the piston is exposed to a differential pressure. The downhole fluid pump may form part of a formation evaluation while drilling tool. |
| 申请公布号 |
RU2004135026(A) |
申请公布日期 |
2006.05.10 |
| 申请号 |
RU20040135026 |
申请日期 |
2004.11.30 |
| 申请人 |
ШЛЮМБЕРГЕР ТЕКНОЛОДЖИ БВ (NL) |
发明人 |
ЦИГЛЕНЕК Райнхарт (US);КИБСГОР Пол (US);ВИЛЬЯРЕАЛ Стивен Г. (US) |
| 分类号 |
E21B47/10;E21B49/10;E21B34/10;E21B49/08 |
主分类号 |
E21B47/10 |
| 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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