The low price of oil over the past 2 years has provided an opportunity for operating companies and service providers to relook at conventional industry practices and methods to identify areas where there is room for performance and cost improvement. One of the challenges faced in the exploration and production phase of an oil field is to achieve higher recovery factors within economic limits. Matrix stimulation techniques using acids, solvents, and chemicals have been in use to improve permeability of the formation near the wellbore. These processes have aimed to improve the productivity of the well. The objective of matrix stimulation varies according to the formation, whether it is sandstone or carbonate.
In addition, there are tertiary recovery methods that are aimed to increase the amount of crude hydrocarbon that can be extracted. Screening of the appropriate enhanced oil recovery technique for a reservoir under consideration is a key step, which involves multi-pronged feasibility studies to identify risks and limitations. This issue of Oil and Gas TOE profiles technological advances that are directed toward enhancing productivity of a well and improving the recovery factor of field development scenarios through matrix stimulation and enhanced oil recovery techniques.
The Oil and Gas TechVision Opportunity Engine (TOE) provides intelligence on innovations pertaining to technologies, products, and processes, along with strategic insights, in the upstream and downstream processes in the oil and gas industry.
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Keywords: Enhanced oil recovery, matrix stimulation, carbonate reservoir, sandstone reservoir, hydraulic fracturing, matrix acidizing