This injection well perforation parameter prediction theoretical method provides a new way to improve poor formation's water absorbing capability and mitigate over fracture pressure injection.
Due to serious sensitivity to water and plugging by emulsification liquid, it was difficult to convert oil well to water injection well since water flood recovery in Zhangdian Oilfield.
The effect of the water injection well fracturing on the adjacent oil well production is calculated by the model and then the fracture parameters of water injection well are optimized.
It solved the difficult problems of thermal insulation or separate steam injection in general steam injection well, separate steam injection well, and side track well.
Water-injection system contain headwaters, water-injection station, water distributing station, injection well head, injection well site and water injection line.
Real water injection rate in water injection well will change when system pressure fluctuates or formation water absorption capacity changes.
Plugging large pore in water injection well is the most important measures, and choice of plugging agent is getting more important.
Field procedures of profile control disposal by Xanthan gum in water injection well are described and profile control results are analyzed.
