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U.S. Department of Energy
Office of Scientific and Technical Information

Fluid additive and method for treatment of subterranean formations

Patent ·
OSTI ID:5568645
This patent describes a method of stimulating production of hydrocarbons from a clay-containing subterranean formation. A method consists of preparing an aqueous treatment fluid comprising an aqueous fluid, a selected gelling agent and a formation control additive consisting essentially of a least one member selected from the group comprising N,N,N-trimethylbenzylammonium halides N,N-dialkylmorpholinium halides, alkyl quaternary ammonium salt of a 2 mole oligomer of epihalohydrin wherein the alkyl radical is selected from the group of methyl, ethyl, propyl and butyl radicals and compounds of the general formula: wherein at least one R is methyl and at least one of the remaining R is independently an ethyl, propyl or butyl radical and X- is any anion that does not adversely react with the subterranean formation or aqueous treatment fluid constituents and contacting the formation with the aqueous treatment fluid under conditions such that at least one fracture is caused to be created in the formation by the fluid whereby the subsequent production of hydrocarbons is facilitated.
Assignee:
Halliburton Services, Duncan, OK
Patent Number(s):
US 4842073
OSTI ID:
5568645
Country of Publication:
United States
Language:
English