| 发明名称 |
DRILLING FLUID |
| 摘要 |
T 6100 CAN DRILLING LIQUID Drilling liquid comprising a mixture of powdered sulphur dispersed in an aqueous liquid, the amount of sulphur being between 0.03 and 0.30 kg per kg of drilling liquid. hsbprf:t6100prd.doc D10
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| 申请公布号 |
CA2044048(A1) |
申请公布日期 |
1992.12.07 |
| 申请号 |
CA19912044048 |
申请日期 |
1991.06.06 |
| 申请人 |
SHELL CANADA LIMITED |
发明人 |
VAN LAAR, HERMANUS G.;DAVIDSON, COLIN J. |
| 分类号 |
C09K8/16;(IPC1-7):C09K7/02 |
主分类号 |
C09K8/16 |
| 代理机构 |
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代理人 |
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| 地址 |
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