西南石油大学学报(自然科学版)

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Research on Water Control and Water Shutoff Technologies of Organic-Gel

Jia Hu, Pu Wanfen   

  1. State of Key Laboratory of Oil & Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu,Sichuan 610500,China
  • Online:2013-12-01 Published:2013-12-01

Abstract:

This paper gives an update review on the progress of researches on organic-gel used for water shutoff and conformance
control. Five kinds of popular gel systems such as bulk gel,organosilicon gel,thermosensitive/salt-sensitive/pH sensitive
gel,in-situ polymer gel and polymeric microsphere are included. This paper introduces the working mechanism,merits and
demerits and field application of each gel system. Polyethyleneimine(PEI)cross-linking gel system has advantages of being
low toxic,high-temperature and high salinity tolerant etc. This gel system can be used for water shutoff in hardness reservoirs.
From the tendency of water control of chemical methods,synthesizing various functional polymeric microsphere which can
match with pore throat will receive great attention in the next decades. This paper has achieved some research progress in
organic-gel used for water shutoff and conformance control,which can offer favourable reference for related work and field
application.

Key words: organic-gel, polyethyleneimine, polymeric microsphere, conformance control, oil recovery