Low Injury Fracturing Fliud Research And Application Of Low Permeability Oilfield In Daqing

This text aims at low permeability oilfield. In deep empoldering process. the condition of oillayer continuously becomes bad. request fracturing fliud performance raising . We enhance fracturing fliud pertinence research. and improve frecturing fliud performance . Explore new frecturing technics for low permeability oilfield .improve fracturing locale effect.insure the for low permeability oilfield's efficiency empolder. Using the differ temperature general fracturing fliud and differ permeability core of daqing oilfield and differ type proppant. we analyze the injury to permeability of core and slot transmiting ability by the general fracturing fliud filtrate and draff. filtrate cake and condense glue. The result show the fracturing fliud draff and filtrate are the main injury to the permeability of core. The draff and condense glue of fracturing fliud reduce the slot transmiting ability greatly. The differ draff content of the fracturing fliud and the different broken performance lead to different degree's injury to layer's rock and slot transmiting ability. The draff content accretion and the worse broken glue lead the severity damage. From damage reason of the general fracturing fliud analysing.the research on low injury fracturing fliud was conducted. By optimize fracturing fliud directions. reduce the draff content of fracturing fliud. Increase the fracturing fliud's performance of anti high temperature and anti shearing. Improve breaking performance. reduce the leakoff quantity. reduce the damage of slot transmiting ability and core's permeability. For periphery different area layer characteristic Proceing single well fracture optimize design.Evaluating the productivity of a well in former and after measuring.Develop new fracturing technical that include high sand and low replace . Adopting the application of 11 welles at locale. all wells got excellent effect. Improve the periphery oil field's fracturing effect.. Improve oilfield exploration benefit.