发明名称 |
Placement of a substantially non-flowable cementitious material in an underground space |
摘要 |
Method of admixing and placing a substantially non-flowable cementitious material into an underground space, such as a mine shaft or the like. In a preferred embodiment, a cement slurry including about 95% Class F fly ash and about 5% hydraulic cement is admixed with an activator using a high intensity mixer to form a substantially non-flowable cementitious material, wherein the substantially non-flowable material is pumped through a conduit and placed into the underground space. The cementitious material does not flow away from the area of placement.
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申请公布号 |
US5577865(A) |
申请公布日期 |
1996.11.26 |
申请号 |
US19950508356 |
申请日期 |
1995.07.28 |
申请人 |
HALLIBURTON COMPANY |
发明人 |
MANRIQUE, JORGE E.;PAUGH, RODNEY L.;MOODY, RICHARD L. |
分类号 |
C04B28/02;C04B40/00;E02D15/04;(IPC1-7):E02D15/00;E02D29/00 |
主分类号 |
C04B28/02 |
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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