Petroleum Reservoir Evaluation and Development >
2020 , Vol. 10 >Issue 6: 96 - 102
DOI: https://doi.org/10.13809/j.cnki.cn32-1825/te.2020.06.015
Influencing factors and countermeasures feasibility of high water consumption strip in Shuanghe Oilfield
Received date: 2020-08-26
Online published: 2021-01-07
For the oilfields in east China with long-term water injection development, the water injection efficiency is gradually reduced due to the developed high water consumption strip in reservoir. In order to define the influence factors of development of the high water consumption strip, taking northern Shuanghe block in Nanyang as the research object, the influences of injection rate, permeability ratio, permeability variation coefficient and formation coefficient on the development of high water consumption strip have been analyzed respectively. Combined with orthogonal experiment, the relative influence level of the four factors is compared. The results show that high permeability, low injection rate, high permeability variation coefficient and high permeability ratio are more likely to cause the problems. With a certain formation coefficient and injection amount, high permeability is in major. Through the orthogonal test, the permeability variation coefficient influences most, followed by permeability ratio and formation coefficient, and the injection rate influences least. This study provides some reference for the adjustment in the later stage of oilfield production.
Bo LIU , Rongda ZHANG , Yilin ZHANG , Yunxia LU , Ting WANG . Influencing factors and countermeasures feasibility of high water consumption strip in Shuanghe Oilfield[J]. Petroleum Reservoir Evaluation and Development, 2020 , 10(6) : 96 -102 . DOI: 10.13809/j.cnki.cn32-1825/te.2020.06.015
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