| 发明名称 |
Improved stress-corrosion resistant proppant for oil and gas wells. |
| 摘要 |
<p>Aluminous proppant media in the form of sintered bauxite spheres containing silica are improved in resistance to stress corrosion by inclusion of zirconia in the mix prior to firing in the amount of a silica to zirconia ratio of from 6/1 to 20/1. </p> |
| 申请公布号 |
EP0207427(A2) |
申请公布日期 |
1987.01.07 |
| 申请号 |
EP19860108611 |
申请日期 |
1986.06.24 |
| 申请人 |
NORTON COMPANY |
发明人 |
KHAUND, ARUP K. |
| 分类号 |
C04B35/18;C09K8/80;E21B43/267;(IPC1-7):E21B43/267;C09K3/14;C04B35/10 |
主分类号 |
C04B35/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
