Application of polyacrylamide in oil rec···

Polyacrylamide(PAM) is a multifunctional oilfield chemical treatment agent. It has a wide range of uses. It can be used in the process of oil drilling, cementing, completion, workover, fracturing, acidification, water injection, water plugging and profile control, and tertiary oil recovery operations. Especially in the fields of drilling, water plugging and profile control and tertiary oil recovery. The polyacrylamide aqueous solution has higher viscosity, better thickening, flocculation and rheological adjustment. It is used as oil displacing agent and drilling mud regulator in petroleum exploitation. In order to improve the recovery rate of crude oil, by injecting an aqueous polyacrylamide solution to improve the oil-water flow rate ratio, the crude oil content in the produced material is increased. Adding polyacrylamide to tertiary oil recovery can increase oil displacement, avoid breakdown of oil layers and increase oil bed recovery rate. China's petroleum industry is the largest user of polyacrylamide. The technological advancement of polyacrylamide has promoted the development of China's petroleum industry, and the demand of the petroleum industry has accelerated the pace of modern technological innovation and industry development of polyacrylamide.

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