| 发明名称 |
DRILLING LIQUID |
| 摘要 |
FIELD: oil and gaseous hole drilling. SUBSTANCE: drilling liquid has, wt. -%: clay 3-5; starch 0.8-2.5; carboxymethylcellulose 0.7-1.5; calcium carbonate 3-5; mineralized water at density 1.10-1.16 g/cm and total mineralization 180-250 g/l 5-10, and fresh water - the rest. EFFECT: improved quality of liquid. 1 tblx
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| 申请公布号 |
RU2103312(C1) |
申请公布日期 |
1998.01.27 |
| 申请号 |
RU19940018209 |
申请日期 |
1994.05.18 |
| 申请人 |
BASHKIRSKIJ GOSUDARSTVENNYJ NAUCHNO-ISSLEDOVATEL'S;KIJ I PI NEFTJANOJ PROMY |
发明人 |
RAJANOV K.S.;KHAKIMOV F.SH.;FATKHUTDINOV I.KH.;RAJANOV K.S.;KHAKIMOV F.SH.;FATKHUTDINOV I.KH. |
| 分类号 |
C09K8/20;(IPC1-7):C09K7/02 |
主分类号 |
C09K8/20 |
| 代理机构 |
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