CURRENT TERTIARY OIL RECOVERY IN CHINA

I . Introduction 2. Microemulsion/Polymer Flooding 2.1 General Situation of the L Reservoir of Laojunmiao Oil Field 2.2 Properties of Fluid in the Reservoir 2.3 Sodium Petroleum Sulfonate 2.4 Study of Optimum Flooding Fornulation 2.5 Pseudo-tertiary Diagram of YM-3A 2.6 Phase Behavior and Synergism among the Compositions of YM-3A 2.7 Study of Adsorption Losses of Petroleum Sulfonate and the Inhibitor 2.8 Study of Matching Property between Surfactant Flooding System and Polymer Solution 2.9 Oil-Displacing Test of MicroemulsionPolymer in Physical Model 3. PolymerFlooding 3.1 Polymer Solution Behavior 3.2 Thickening Property