发明名称 |
Automatic mixture control apparatus and method. |
摘要 |
<p>Solid/liquid mixtures, such as cement, are made to a predetermined density and at a predetermined rate, by controlling the admission of liquid and solid to a conduit (2) using valves (6,8) controlled by a data acquisition and control means (38), utilising a measured flow rate (8) of the liquid (measured in device 28) and a measured density of the mixture (measured in device 34).</p> |
申请公布号 |
EP0390437(A1) |
申请公布日期 |
1990.10.03 |
申请号 |
EP19900303133 |
申请日期 |
1990.03.23 |
申请人 |
HALLIBURTON COMPANY |
发明人 |
PITTS, ALAN J.;CASE, LEONARD RAY;BROADDUS, JAMES EVERRETT |
分类号 |
B01F3/12;B01F5/10;B01F15/04;B28C7/02 |
主分类号 |
B01F3/12 |
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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