发明名称 |
Drilling fluid component |
摘要 |
A method and composition is provided for a relative permeability modifying polymer for use with drilling fluids that comprises a water soluble polymer formed from a hydrophobic or hydrophobically modified hydrophilic monomer and a hydrophilic monomer. In an alternative embodiment, a method is provided for producing a water soluble polymer formed from a hydrophilic monomer for use as a relative permeability modifying polymer.
|
申请公布号 |
US2004171495(A1) |
申请公布日期 |
2004.09.02 |
申请号 |
US20030375787 |
申请日期 |
2003.02.27 |
申请人 |
ZAMORA FRANK;EOFF LARRY S.;DALRYMPLE ELDON DWYANN;REDDY B. RAGHAVA |
发明人 |
ZAMORA FRANK;EOFF LARRY S.;DALRYMPLE ELDON DWYANN;REDDY B. RAGHAVA |
分类号 |
C09K8/035;C09K8/12;C09K8/32;C09K8/508;(IPC1-7):C09K7/00 |
主分类号 |
C09K8/035 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|