Experimental Study on High Temperature-Resistant Gel for Profile Control

Shao Bin Hu; Peng Wang; Chang Liang Chen; Shao Ke Liu; Zhe Wang

doi:10.4028/www.scientific.net/AMM.733.165

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 733Experimental Study on High Temperature-Resistant...

Experimental Study on High Temperature-Resistant Gel for Profile Control

Abstract:

In order to control water and increase oil recovery in reservoir of high temperature (120°C), experiments were carried out to study the impacts of dosage of HPAM, crosslinking agent, delayed crosslinking agent and heat stabilizer on the properties of gel system, and a high temperature-resistant movable weak gel profile control system was presented, whose formula is 2.0g/L HPAM + 0.2% (volume fraction) crosslinking agent + 0.1g/L delayed crosslinking agent + 0.1g/L heat stabilizer. This gel system has good thermal stability at 120°C. It has good flow properties before gelation, and can effectively enter larger pores. After gelation, its viscosity increases so significantly that it can be stranded and the larger pores can be plugged. The plugging rate can be over 93%. Thus, subsequent fluid injection can be redirected into the low-permeability layers, effectively improving the reservoir water absorption profile and oil recovery.

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Periodical:

Applied Mechanics and Materials (Volume 733)

Pages:

165-168

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.733.165

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Online since:

February 2015

Authors:

Shao Bin Hu*, Peng Wang, Chang Liang Chen, Shao Ke Liu, Zhe Wang

Keywords:

Experimental Study, High Temperature-Resistant Gel System, Profile Control

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