| 发明名称 |
APPARAT FOR UNDERSOEKELSE AV PRODUKSJONSEVNEN AV EN OLJEBAERENDE FORMASJON. |
| 摘要 |
A ball valve type, full opening bore, oil well formation tester utilizes a J-slot mechanism and vertical tool string manipulations to open and close a substantially unrestricted axial bore through the testing tool to allow formation fluid flow through the tool at the command of the tool operator. |
| 申请公布号 |
NO146251(B) |
申请公布日期 |
1982.05.18 |
| 申请号 |
NO19800000677 |
申请日期 |
1980.03.10 |
| 申请人 |
HALLIBURTON SERVICES, A DIVISION OF HALLIBURTON CO, |
发明人 |
GIROUX, RICHARD LEE, |
| 分类号 |
E21B23/00;E21B34/00;E21B34/12 |
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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