Reagent on Oil Basis to Increase Oil Recovery and Isolation of Water Breakthrough into Oil Producing Wells
Journal Title: Petroleum & Petrochemical Engineering Journal - Year 2018, Vol 2, Issue 5
Abstract
The issue of selective isolation of water inflow into oil producing wells is considered in the article. For this purpose, an oil-based composition was developed for selective isolation of water from the formation to producing wells. The composition, in addition to oil, also contains alcohols (lower alcohols: methyl, ethyl, butyl, propyl, etc.), and an oxidizing agent. Components of the ingredients are met in the bottomhole zone of the well where a chemical reaction occurs, resulting in a paste-like substance. This substance blocks both water and oil channels. However, this substance does not dissolve in water, but it dissolves well in oil. This property gives an ability to the composition to isolate water selectively. Thus, the plugged water channels prevent the flow of water into the well, while part of the composition which clogging the oil channels dissolves into the oil, releases the oil channels and provides the flow of oil from the formation into the well.
Authors and Affiliations
Abdullayev Malik Gurban
Keywords
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- EP ID EP597292
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