TRIGGERED POLYMER VISCOUS PILL AND METHODS OF USING THE SAME

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专利权人:

SERVICES PÉTROLIERS SCHLUMBERGER

发明人:

MIRAKYAN, ANDREY

申请号：

EP11850278

公开号：

EP2663293A4

申请日:

2011.12.20

申请国别(地区):

EP

年份:

2014

代理人:

摘要：

The invention provides a method comprising providing a composition comprising a pH trigger and a polymer able to be hydrated in a defined pH zone injecting the composition with a pH outside the defined pH zone triggering the pH trigger to adjust the pH of the composition within the defined pH zone and allowing viscosity of the composition to increase and form a plug.

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