The Development of the New High Temperature Resistance Profile Control Agent Which is Compound With Inorganic Particles and Ge

WANG Chunsheng, SUN Yingfan, DONG Guoqing, YU Haoyang, XU Yujian

Abstract


At present, high temperature profile control technology has become the key technology to improving recovery efficiency, management of steam channeling in thermal recovery. The particle of regular application is dosage big, poor injection and easy to cause the rigid block, Gel and foam profile control agent is poor stability, low intensity and short validity period. For the above problems, Developed a new type of high temperature resistance particle-gel complex profile control system through the theoretical analysis and the ratio optimization of indoor experiment and evaluate its performance. The formula of the system: 0.03%Coagulant + 2.2% cross-linking agent I + 1.8%cross-linking agent II + 6% modified high temperature resistance main agent + 0.7% new type inorganic particles + 0.5% suspending agent. At least 280 ℃ of heat-resistant, two-fluid process injection, injection performance is good, the plugging rate is more than 99.05%, scouring resistance and it has good thermal stability. This study provides a new direction for the thermal profile and theoretical basis for profile control construction.
Key words: Thermal recovery; Steam channeling; Compound; Profile control agent; Two-fluid process

Keywords


Thermal recovery; Steam channeling; Compound; Profile control agent; Two-fluid process

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References


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DOI: http://dx.doi.org/10.3968%2Fj.aped.1925543820140701.1932

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