Application of Solid Nitric Deplugging Technology

Abstract:

In order to conquer the disadvantages of conventional acidizing,various special acidizing technology has been developed recent years.For instance, added mud acid into drilling mud is not able to remove the contaminant effectively, especially barium sulphide of drill fluid,however, if added some EDTA into mud acid,this problem can be resolved smoothly.Along with the gradual development of acidizing technology,considering the limitations of mud acid to certain rock and clay,a new acidizing material called nitric powder was developed.When the proportion of nitric acid and hydrochloric acid is 1:3,the mixture will be renamed nitrohydrochloric acid.Nitrohydrochloric acid can dissolve organic material and inanimate matter efficiently,theoretically speaking,this deliquescence may reach 100%，which greatly improved acidizing effect.

• Periodical: Advanced Materials Research (Volumes 550-553)
• Pages: 626-629
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.550-553.626
• Online since: July 2012
• Authors: Ji Gang Wang, Zhe Ming Zhang, Li Li Wang, Hong Bin Wang, Da Wang
• Keywords: Carbon Dioxide, Compound Deplug, Low Carbon Acid, Organic Acid

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