5[2]Wang HongGuan, Guo WanKui, Jiang HongFu. Study and application of weak gel system prepared by complex polymer used for depth profile modification [ C ] . prepared for presentation at the 2001 SPE International Symposium on Oilfield Chemistry held in Houston, Texas, 13-16February 2001.
6[5]Han Dong, Yang Puhua. Flow Mechanism Investigation and Field Practice for Low Concentration Flowing Gel [ C ] . presented at the SPE International Conference and Exhibition in China held in Beijing, 2-6November 1998.
7[6]Smith J E. Performance of 18 Polymers in Aluminum Citrate Colloidal Dispersion Gels [ C ] . presented at the SPE International Symposium on Oilfield Chemistry held in San Antonio, TX, U.S.A., 14-17 February 1995.
8[7]Smith J E. The Transition Pressure: A Quick Method for quantifying Polyacrylamide Gel Strength [ C ] . presented at the SPE International Symposium on Oilfield Chemistry in Houston, TX, February 8-10,1989.
9Gruenenfelder M A, Alain Zaitoun , Norbert Kohler et 81. Implementing new permeability selective water shutoff polymer technology in offshore, gravel - packed wells. SPE 27770.
10Acock A M , Reis J C. Oil recovery improvement through profile modification by thermal precipitation. SPE 27831.