Patent number: 9404166
Abstract: A composition comprising a substrate, an organic ion, and a metal binding agent, wherein the substrate comprises a natural clay, a synthetic clay, a natural zeolite, a synthetic zeolite, a polymer resin, lignite, kaolinite, serpentine, illite, chlorite, smectite, montmorillonite, saponite, sepiolite, nontronite, beidellite, hectorite, fuller's earth, attapulgite, bentonite, analcime, chabazite, heulandite, natrolite, phillipsite, stilbite, diethyl aminoethyl, quaternary aminoethyl, or combinations thereof, wherein the organic ion comprises quaternary amines, imidazolium salts, phosphonium salts, tetra alkyl ammonium, bis-(hydrogenated tallow)-dimethyl-ammonium chloride, bis-(hydrogenated tallow)-benzyl-methyl-ammonium chloride, 4,5-dihydro-1-methyl-2-nortallow-alkyl-1-(2-tallow-amidoethyl)-imidazolium methyl sulfate, 1-ethyl-4,5-dihydro-3-(2-hydroxyethyl)-2-(8-heptadecenyl)-imidazolium ethyl sulfate, or combinations thereof, and wherein the metal-binding agent comprises mercaptan, carboxylic acid, chelating a
Type:
Grant
Filed:
April 24, 2012
Date of Patent:
August 2, 2016
Assignee:
Halliburton Energy Services, Inc.
Inventors:
Alfredo M. Angeles-Boza, Charles R. Landis, William W. Shumway
Publication number: 20120261609
Abstract: A composition comprising a substrate, an organic ion, and a metal binding agent, wherein the substrate comprises a natural clay, a synthetic clay, a natural zeolite, a synthetic zeolite, a polymer resin, lignite, kaolinite, serpentine, illite, chlorite, smectite, montmorillonite, saponite, sepiolite, nontronite, beidellite, hectorite, fuller's earth, attapulgite, bentonite, analcime, chabazite, heulandite, natrolite, phillipsite, stilbite, diethyl aminoethyl, quaternary aminoethyl, or combinations thereof, wherein the organic ion comprises quaternary amines, imidazolium salts, phosphonium salts, tetra alkyl ammonium, bis-(hydrogenated tallow)-dimethyl-ammonium chloride, bis-(hydrogenated tallow)-benzyl-methyl-ammonium chloride, 4,5-dihydro-1-methyl-2-nortallow-alkyl-1-(2-tallow-amidoethyl)-imidazolium methyl sulfate, 1-ethyl-4,5-dihydro-3-(2-hydroxyethyl)-2-(8-heptadecenyl)-imidazolium ethyl sulfate, or combinations thereof, and wherein the metal-binding agent comprises mercaptan, carboxylic acid, chelating a
Type:
Application
Filed:
April 24, 2012
Publication date:
October 18, 2012
Applicant:
HALLIBURTON ENERGY SERVICES, INC.
Inventors:
Alfredo M. Angeles-Boza, Charles R. Landis, William W. Shumway