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- W2000716975 abstract "Abstract Separate layer oil production technologies in Daqing Oilfield were developed and improved continually with the course of the oilfield development. The technologies in the medium-low water-cut flowing period were mainly composed of the oil well packers, the Model 625 oil well regulators and the multipurpose eccentric regulating & plugging control system. In the early high water-cut artificial lifting period, 4 types of mechanical water shutoff technologies including integrated, equilibrium, slip and drillable ones were developed and applied. Furthermore, the double fluid chemical water shutoff technology was successfully studied. In the late high water-cut artificial lifting period, the water detection technology by temperature log and the profile testing technology provide accurate guides in determining the high water-cut layers. Adjustable intervals mechanical water shutoff technology and the single fluid chemical water shutoff technology could meet the requirements of subdividing oil production and water shutoff for artificial lifting wells." @default.
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- W2000716975 date "2006-12-05" @default.
- W2000716975 modified "2023-09-27" @default.
- W2000716975 title "History and Actuality of Separate Layer Oil Production Technologies in Daqing Oilfield" @default.
- W2000716975 doi "https://doi.org/10.2118/100859-ms" @default.
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