Original document(24 pages)  中文版
    This invention is directed to a composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent content of from about 9,000 to about 200,000 ppm of labile cross linkers and from 0 to about 300 ppm of non-labile cross linkers and to the use of the composition for modifying the permeability of subterranean formations and increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations.
Application Number
申请号		 01810851 Application Date
申请日		 2001.05.23
Title 名称 Composition and method for recovering hydrocarbon fluids from subterranean reservoir
Publication Number
公开号		 1434893 Publication Date
公开日		 2003.08.06
Approval Pub. Date Granted Pub. Date
International Classification 分类号 E21B43/22
Applicant(s) Name
申请人		 Wendeaoerke Energy Service Inc.
Address 地址
Inventor(s) Name 发明人 K-T. Chang;H. Frampton;J.C. Morgan
Attorney & Agent 代理人 sha cha peng yiqun
More information 更  多  信  息


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