| 发明名称 |
GEOTHERMAL WELL CEMENT, ADMIXTURE FOR GEOTHERMAL WELL CEMENT, AND METHOD FOR CEMENTING GEOTHERMAL WELL |
| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an effective usage of scales recovered from a geothermal well, and more precisely, to aim the lowering of the specific weight of cement slurry without causing material separation by using the scales when cementing of a geothermal well is carried out. SOLUTION: The geothermal well cement is constituted by including a dried matter of scales, recovered from a geothermal well and a cement.</p> |
| 申请公布号 |
JP2001270770(A) |
申请公布日期 |
2001.10.02 |
| 申请号 |
JP20000090301 |
申请日期 |
2000.03.29 |
| 申请人 |
SUMITOMO OSAKA CEMENT CO LTD |
发明人 |
YAMAMOTO TAKANORI;NAKAMURA MASASHI |
| 分类号 |
E21B33/13;B09B3/00;C04B14/04;C04B14/06;C04B18/12;C04B28/04;C04B103/00;C04B111/20;C09K8/46;(IPC1-7):C04B28/04 |
主分类号 |
E21B33/13 |
| 代理机构 |
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代理人 |
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