The paper tells about the selection and application of
entire tract profile control agents for high temperature and
low permeability zone in Bonan oilfield.According to
pressure , temperature , permeability and other geologic
characteristics of shasan 91-2 layer in the 5 block of Bonan
oilfield ,acid-based ,Fe2based ,and silicon-based profile control
agents are selected preferentially. The agents have the
property of augmenting injection near-bore and controlling
profile far-bore which are especially fit for profile control of
high pressure index injection well.The agents have been
applied to entire tract profile control in the 5 block of Bonan
oilfield and have well effect on water control and oil
stabilization.
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