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Method for fracturing subterranean formations using controlled release breakers and compositions useful therein
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Combination gravel packing/frac apparatus for use in a subterranean well bore
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Enzyme breakers for breaking fracturing fluids and methods of making and use thereof
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Cement mixing system
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Stabilized ammonium polysulfide solutions and process utilizing same
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Method for reducing deleterious environmental impact of subterranean fracturing processes
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Method for fracturing high temperature subterranean formations
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High temperature gel stabilizer for fracturing fluids
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Densitometer
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Clay control additive for cement compositions and method of cementing
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WO9214907A1
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Slurried polymer foam system and method for the use thereof
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Fracturing fluid having a delayed enzyme breaker
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Fluid loss additives for cementing compositions
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Low pH fracturing compositions
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Multiple acting lock for gravel pack system
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Control of gas flow through cement column
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High temperature fluid loss additive for cement slurry and method of cementing
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Encapsulations for treating subterranean formations and methods for the use thereof
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Breaker system for high viscosity fluids and method of use
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Fluid additive and method for treatment of subterranean formations
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