The weak gel thus diverts the followed fluids and in predominant cases the residual oil is displaced out of small pores by the water (or oil) in front of the gel stream.
弱凝胶使后续液流转向，在绝大多数情况下，小孔隙中的剩余油是被弱凝胶驱动的水（和油）驱出的。
2
In the post-water flooding process, WG in the larger channels diverts the injected water entering the smaller pores and displacing residual oil to form oil bank in the front of the displacing water.
The body screw back into place, gently open the little front-end ball valve, using compressed air to the drainage system of impurities, water, oil draining;