ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING
An oil-based slurry that includes oil, a suspension package, a dispersion agent, a surfactant, and a dry water-soluble polymer.
1 . An oil-based slurry comprising:
oil;
a suspension package,
a dispersion agent,
a surfactant, and
a dry water-soluble polymer.
2 . The oil-based slurry of claim 1 , wherein the oil-based slurry comprises between 20% and 45% oil by weight of the total oil-based slurry.
3 . The oil-based slurry of claim 2 , wherein the oil is a gas to liquid hydrocarbon, a petroleum distillate, a methyl ester, or combination thereof.
4 . The oil-based slurry of claim 1 , wherein the suspension package is an organophilic clay, a linear styrenic block copolymer, or a combination of the organophilic clay and the linear styrenic block copolymer.
5 . The oil-based slurry of claim 4 , wherein the oil-based slurry comprises between 0.001 and 1% of the suspension package by weight of the oil-based slurry.
6 . The oil-based slurry of claim 1 , wherein the oil-based slurry comprises between and 5% of the dispersion agent by weight of the oil-based slurry.
7 . The oil-based slurry of claim 6 , wherein the dispersion agent is an anionic, non-ionic, or amphoteric organic compound.
8 . The oil-based slurry of claim 7 , wherein the dispersion agent is an anionic compound consisting of C8-C22 fatty acids, polycarboxylic acid and salts thereof, polycarboxylic copolymer and slate forms thereof, C8-C22 alkyl sulfates, C8-C22 alkyl benzenesulfonic acid and salts thereof, and combinations thereof.
9 . The oil-based slurry of claim 7 , wherein the dispersion agent is a nonionic compound consisting of polyurethane and derivatives thereof, phosphonate esters, glycerol esters Glycerophospholipid, Phosphatidylethanolamine, and combinations thereof.
10 . The oil-based slurry of claim 7 , wherein the dispersion agent is a amphoteric compound consisting of poly(acrylic acid-co-methacryloxethyltrimethyl ammonium chloride-co-isopentenol polyoxyethylene ether), poly (sodium allyl sufonate-co-acrylic acid-co-methacryloxethyltrimethyl ammonium chloride), Phosphatidylcholine and derivatives thereof, and combinations thereof.
11 . The oil-based slurry of claim 1 , wherein oil-based slurry comprises between 0.1% and 1% of the surfactant by weight of the oil-based slurry.
12 . The oil-based slurry of claim 11 , wherein the surfactant is a C8-C20 linear ethoxylated alcohol, an alkoxylated phenolic resin, a sorbitan ester, a sorbitan ester ethoxylate, and combinations thereof.
13 . The oil-based slurry of claim 1 , wherein the oil-based slurry comprises between 55% and 70% of the dry water-soluble polymer.
14 . The oil-based slurry of claim 13 , wherein the dry water-soluble polymer is a synthetic polymer, crosslinked synthetic polymer, natural polymer, crosslinked natural polymer or a combination thereof.
15 . The oil-based slurry of claim 14 , wherein the dry water-soluble polymer is a synthetic polymer consisting of polyacrylamide, polyacrylamide derivatives, polyacrylate, polyacrylate derivatives, poly2-acrylamido-2-methylpropane sulfonic acid and salts thereof, polydiallyldimethylammonium chloride, poly (dimethylaminoethyl acrylate methyl chloride quat), polyethylene oxide, polypropylene oxide, polyvinyl alcohol, or copolymers thereof, and combinations thereof.
16 . The oil-based slurry of claim 14 , wherein the dry water-soluble polymer is a cross-linked synthetic polymer consisting of crosslinked polyacrylamide and derivatives thereof, crosslinked polyacrylate and derivatives thereof, crosslinked poly (dimethylaminoethyl acrylate methyl chloride quat), crosslinked polyethylene oxide, crosslinked polypropylene oxide, and combinations thereof.
17 . The oil-based slurry of claim 14 , wherein the dry water-soluble polymer is a natural polymer consisting of guar and derivatives thereof, cellulose and derivatives thereof, and combinations thereof.
18 . The oil-based slurry of claim 14 , wherein the dry water-soluble polymer is a crosslinked natural polymer consisting of crosslinked guar and derivatives thereof, crosslinked cellulose and derivatives thereof, and combinations thereof.
19 . The oil-based slurry of claim 14 , wherein the dry-water soluble polymer is a synthetic polymer or crosslinked synthetic polymer and has a particle size distribution of:
1-10% 60 mesh or higher
20-60% 60-120 mesh
40-70% 120 mesh or lower.
20 . The oil-based slurry of claim 14 , wherein the dry-water soluble polymer is a natural polymer or crosslinked natural polymer and has a particle size distribution of:
1-10% 120 mesh or higher
20-60% 120-200 mesh
40-70% 200 mesh or lower.
21 . The oil-based slurry of claim 14 , wherein the dry water-soluble polymer has molecular weight between 1 million and 25 million Daltons.
22 . A slickwater fluid comprising the oil-based slurry of claim 1 .