Petroleum Reservoir Evaluation and Development >
2020 , Vol. 10 >Issue 6: 1 - 7
DOI: https://doi.org/10.13809/j.cnki.cn32-1825/te.2020.06.001
Challenges and countermeasures of chemical flooding in Henan Oilfield
Received date: 2020-08-25
Online published: 2021-01-07
The supporting technologies of chemical flooding such as reservoir engineering, flooding agent and surface engineering have been formed in Henan Oilfield. The industrial application has been carried out in 26 units and which include Class I and II reservoirs and develop towards Class Ⅲ reservoirs by chemical flooding. It experiences the application of polymer flooding, compound flooding and heterogeneous flooding, which becomes the main technologies for stabilizing production or delaying production decline. With the comprehensive utilization of high-quality resources, it is faced with the challenges of lack of high-quality chemical flooding resources, the decline of chemical flooding project benefits, and the development and innovation of chemical flooding technology. Therefore, the countermeasures are to ensure the foundation, adjust the technology route, strengthen the technical research, deepen the injection-production process support, research and develop the matching skid-mounted surface polymer injection system, optimize the oil displacement agent with high cost performance, reduce the investment, promote the efficiency of chemical flooding, and improve the utilization rate of chemical flooding reserves, so as to achieve the orderly connection of chemical flooding reserves
Chuyang ZHANG , Changhong LI , Jun LU , Hong LI . Challenges and countermeasures of chemical flooding in Henan Oilfield[J]. Petroleum Reservoir Evaluation and Development, 2020 , 10(6) : 1 -7 . DOI: 10.13809/j.cnki.cn32-1825/te.2020.06.001
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