E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/16
E21B 43/22 (2006.01)
Patent
CA 1232439
ABSTRACT OF THE DISCLOSURE An improvement in a method of treating a fracturing fluid for use in fracturing a subterranean hydrocarbon- containing formation to stimulate the production of hydro- carbons therefrom. The improvement comprises: combining with the fracturing fluid an admixture comprising a biocide and a biocidal activity-enhancing effective amount of a cationic perfluoro compound. The cationic perfluoro compound is selected from the group consisting of a compound or mixture of compounds represented by the formula: Image wherein x is an integer from 2 to 12 or an integer or fractional integer representing an average value of 2 to 12; w and y are both individually integers from 0 to 20 or integers or fractional integers representing average values of from 0 to 20; z is an integer of from 1 to 20 or an integer or fractional integer of from 1 to 20; R is a hydro- gen, methyl, ethyl or propyl radical, or mixtures thereof; A is a halogen chosen from chlorine, bromine, or iodine; and Q is a cationic nitrogen radical from the group consisting of an aromatic amino radical, a heterocyclic amino radical, and an amine radical represented by the formula: Image wherein R1, R2 and R3 are from the group consisting of hydro- carbon radicals containing from 1 to 30 carbon atoms, aromatic hydrocarbon radicals such as phenyl and any alkyl substituted phenyl radical, and hydrogen radicals, provided that at least one of R1, R2 and R3 is an aliphatic hydro- carbon radical containing from 1 to 30 carbon atoms or an aromatic hydrocarbon and that when any one of R1, R2 and R3 radicals contains more than 4 aliphatic carbon atoms or an aromatic hydrocarbon, the other two radicals are each chosen from the group consisting of hydrogen, methyl, and ethyl radicals.
501155
Company Halliburton
Ogilvy Renault
LandOfFree
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