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Liquid Sodium Silicates
Oil & Gas Industry
Background Oil and gas industry surveys have estimated the cost of unwanted
water production to be in excess of 50 billion dollars worldwide. These high
costs are incurred for various reasons, such as water flow through fractures,
thief zones, high permeability streaks and water coning, or lack of integrity in
cement; safe environmental disposal is also now included in these costs. An
effective means of reducing the flow of unwanted water is by taking advantage
of the gelation and/or polymerization reactions of sodium silicate.
silicates have a long history of being reliably used to lower production costs and
help extend the life of the well. By controlling the type and concentration of
setting agent, sodium silicate can be made to gel and set in minutes to hours.
The result is an inorganic high strength gel plug, which can be placed in harsh
reservoir environments and at higher temperatures (>150ºC) where most
organic polymers are not suited.
Sallan Industrial Investment LLC
