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To effectively control the phenomenon of channeling and improve injection water utilization ratio, it is needed to distinguish the inefficient circulation areas where have channeling paths. Based on water drive reservoir characteristics and influential factors, the reservoir evaluation index system is formed including static and dynamic parameters. Quantitative grading, weights of factors and grading...
It is more profitable for the natural gas hydrate exploitation by use of the depressurization in conjunction with hot brine stimulation. In the work, at the initial stage of the exploitation, the depressurization is used to induce the hydrate dissociation. When the temperature drops and causes the decrease of the hydrate dissociation rate, hot brine is injected to prompt the hydrate dissociation,...
Sabei blocks are currently in the development stage with ultra-high water-cut. The remaining oil distributes scatteredly and quite a part scattered in the third type reservoirs where exists some problems such as poor producing capacity and water injection capacity, low productivity, fast rising rate of water-cut, and so on. The Bio-enzyme is a kind of chemical agent produced by microbial technology...
A combination of uncertain oil prices and the shortage of easy to produce oil has led energy companies to look to develop difficult oilfields that in the past would have been considered uneconomic. Even abandoned fields are being reopened with less than ideal recovery methods. It is with this mindset that many energy companies are looking to utilize new technologies or new technology applications...
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