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- W2353189317 abstract "Putaohua oilfield at the outer-ring of Daqing placanticline is a kind of typical 3 lowoilfield,namely,a field with low permeability,low porosity and low hydrocarbon abundance.At its medium to high WOR stage,water flooding is serious in main layers.At the early development stage,conventional profile control technique was applied.Due to the by-path flowing of water and short treatment radius,the problems of poorer treatment results and short effective period occurred.Due to high investment and low input/output of deep profile control techniques,the large scale application of theses techniques is limited in oilfield further development.Based on the fact of the alkali soil physiognomy in Daqing oilfield,it is proposed to use compound plug deep profile control with low-cost alkali soil.The profile control formula for water cut control and further development is optimized based on a series of lab tests,such as sand grain size analysis of the alkali soil,expansion ratio evaluation and additive optimization.The compound plug injection optimization has been done in lab to evaluate the technical feasibility of the formula.The field application result of this technique is better." @default.
- W2353189317 created "2016-06-24" @default.
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- W2353189317 date "2007-01-01" @default.
- W2353189317 modified "2023-09-23" @default.
- W2353189317 title "Compound plug deep profile control with low-cost alkali soil" @default.
- W2353189317 hasPublicationYear "2007" @default.
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