公开(公告)号：US09206346B2

公开(公告)日：2015-12-08

申请号：US14543417

申请日：2014-11-17

Applicant: NALCO COMPANY

Inventor： Pious V. Kurian ,  Kin-Tai Chang ,  Manian Ramesh ,  Olga E. Shmakova-Lindeman

IPC: C09K8/58 ,  C09K8/516 ,  C09K8/588 ,  C09K8/512 ,  E21B33/138 ,  E21B43/16 ,  E21B43/20

CPC classification number: C09K8/58 ,  C09K8/512 ,  C09K8/516 ,  C09K8/588 ,  E21B33/138 ,  E21B43/164 ,  E21B43/20

Abstract: The present disclosure is directed to compositions and methods that may be used for enhanced oil recovery, for modifying the permeability of subterranean formations and for increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations. The compositions may include, for example, expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 5,000 microns and a cross linking agent content of from about 100 to about 200,000 ppm of hydrolytically labile silyl ester or silyl ether crosslinkers and from 0 to about 300 ppm of non-labile crosslinkers.

Abstract translation: 本公开涉及可用于增强采油的组合物和方法，用于改变地下地层的渗透性和增加存在于地层中的烃流体的动员和/或回收率。 组合物可以包括例如具有约0.05至约5,000微米的未膨胀体积平均粒度直径和约100至约200,000ppm的水解不稳定甲硅烷基酯的交联剂含量的可膨胀交联聚合物微粒或甲硅烷基 醚交联剂和0至约300ppm的非不稳定交联剂。

公开(公告)号：US20150068748A1

公开(公告)日：2015-03-12

申请号：US14543417

申请日：2014-11-17

Applicant: NALCO COMPANY

Inventor： Pious V. Kurian ,  Kin-Tai Chang ,  Manian Ramesh ,  Olga E. Shmakova-Lindeman

IPC: C09K8/58 ,  E21B43/16 ,  E21B43/20 ,  E21B33/138

CPC classification number: C09K8/58 ,  C09K8/512 ,  C09K8/516 ,  C09K8/588 ,  E21B33/138 ,  E21B43/164 ,  E21B43/20

Abstract: The present disclosure is directed to compositions and methods that may be used for enhanced oil recovery, for modifying the permeability of subterranean formations and for increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations. The compositions may include, for example, expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 5,000 microns and a cross linking agent content of from about 100 to about 200,000 ppm of hydrolytically labile silyl ester or silyl ether crosslinkers and from 0 to about 300 ppm of non-labile crosslinkers.