| 发明名称 |
OXAZOLIDINE FRICTION REDUCING ADDITIVES FOR AQUEOUS DRILLING FLUIDS |
| 摘要 |
<p>The friction created by rotating and reciprocating a drill pipe in a well penetrating a subterranean formation is reduced by including an ester of an oxazolidine derivative in an aqueous drilling fluid. This ester of an oxazolidine derivative is represented by the following general formula: (1) wherein n is an integer within the range of about 5 to 20.</p> |
| 申请公布号 |
CA1069290(A) |
申请公布日期 |
1980.01.08 |
| 申请号 |
CA19750232894 |
申请日期 |
1975.08.04 |
| 申请人 |
HALLIBURTON COMPANY |
发明人 |
CARNEY, LEROY L. |
| 分类号 |
C07D498/04;C09K8/22;(IPC1-7):09K7/02 |
主分类号 |
C07D498/04 |
| 代理机构 |
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