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|Title:||Improved oil recovery using polymeric gelants: A review|
|Authors:||Karmakar, G P|
|Abstract:||Oil and gas production from the reservoirs are often accompanied by huge amount of water production. Excessive water production from the oil and gas reservoirs is one of the major problems faced by the petroleum industries worldwide. Polymers and gels have been successfully used for many years to control the water production. Most methods involve cross-linked polyacrylamide gels initiated by metal ions or organic radical formation. Some inorganic compounds, particularly Fe(III) compounds can be transformed to gels by <i style="">in-situ</i> hydrolysis, which can be effectively used as the blocking materials. A new type of organically modified silicate compound, tetramethoxysilane (TMOS) has been supposed to be more effective in water shut-off jobs. <i style="">In-situ </i>cross-linking acid diverting agents (ISCADA) is proved to be a better solution to stimulate the multi-layered reservoirs. Certain biopolymers and foams may also be used successfully to control water production in oil or gas reservoirs. This paper attempts to review the present status of the gel systems used in the oil industries to control the water production during oil and gas production.|
|ISSN:||0975-0991 (Online); 0971-457X (Print)|
|Appears in Collections:||IJCT Vol.13(2) [March 2006]|
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