公开(公告)号：US11162011B2

公开(公告)日：2021-11-02

申请号：US15755113

申请日：2016-08-25

Applicant: SOLVAY USA INC.

Inventor： Kailas Sawant ,  Louis Villafane ,  Kevin Frederick ,  Shih-Ruey Chen ,  Randy Loeffler

IPC: C09K8/36 ,  C09K8/64 ,  C09K8/82 ,  C09K8/72

Abstract: A water-in-oil emulsion having an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water, a water soluble polymer, and at least one surfactant; wherein the water soluble polymer includes from about 1 to about 60 weight percent of one or more cationic monomers, wherein the amount is by total weight of the water soluble polymer; wherein the water soluble polymer is present in an amount from about 5 to about 40 weight percent of the water-in-oil emulsion; and wherein an aqueous solution prepared by inverting the water-in-oil emulsion by adding it to water has at least comparable viscosity build to an aqueous solution made from a water-in-oil emulsion of the same composition containing 15 weight percent more water soluble polymer. Also provided is a method of treating a portion of a subterranean formation that includes the steps of: (a) providing a water-in-oil emulsion according to the present disclosure; (b) inverting the water-in-oil emulsion by adding it to water at from about 0.1 to about 5 gallons of water-in-oil emulsion per thousand gallons of water to form a friction reducing treatment solution containing from about 0.0005 weight percent to about 0.12 weight percent water soluble polymer based on the weight of the treatment solution; and (c) introducing the treatment solution into the portion of the subterranean formation.

公开(公告)号：US20210163816A1

公开(公告)日：2021-06-03

申请号：US17099955

申请日：2020-11-17

Applicant: SOLVAY USA INC.

Inventor： Qing WANG ,  Genyao LIN ,  Zhihua ZHANG ,  Fulya Sudur ZALLUHOGLU

IPC: C09K8/60 ,  C09K8/68 ,  E21B43/26

Abstract: The present invention relates to a polymer dispersion prepared by controlled radical polymerization. The present invention also relates to methods for using the polymer dispersion for oilfield friction reduction under a variety of adverse conditions.

公开(公告)号：US10385253B2

公开(公告)日：2019-08-20

申请号：US14799684

申请日：2015-07-15

Applicant: Solvay USA Inc.

Inventor： Kevin Walter Frederick ,  Shih-Ruey Tom Chen ,  Randy Jack Loeffler ,  Kailas Sawant

IPC: C09K8/36 ,  C09K8/82 ,  E21B43/26 ,  C09K8/64

Abstract: A friction reducing treatment solution that includes water, from 100 to 500,000 ppm of total dissolved solids, and from 0.5 to 3 gallons per thousand gallons of a water-in-oil emulsion containing a water soluble polymer. The total dissolved solids include at least 10 weight percent of a multivalent cation. The water-in-oil emulsion includes an oil phase and an aqueous phase, where the oil phase is a continuous phase containing an inert hydrophobic liquid and the aqueous phase is present as dispersed distinct particles in the oil phase and contains water, the water soluble polymer, and surfactants and an inverting surfactant. The water soluble polymer is made up of 20 to 80 weight percent of a non-ionic monomer, 0.5 to 30 weight percent of a carboxylic acid containing monomer, and 5 to 70 weight percent of a cationic monomer and makes up from 10 to 35 weight percent of the water-in-oil emulsion.

公开(公告)号：US20190048246A1

公开(公告)日：2019-02-14

申请号：US15894061

申请日：2018-02-12

Applicant: SOLVAY USA INC.

Inventor： HsinChen CHUNG ,  Yuntao Thomas HU ,  Xiangnan YE ,  Narongsak TONMUKAYAKUL ,  Michael A. McCABE ,  Kevin Walter FREDERICK ,  Shih-Ruey Tom CHEN ,  Randy Jack LOEFFLER

IPC: C09K8/12 ,  E21B43/26 ,  C04B24/16 ,  E21B43/16 ,  C04B28/02 ,  C09K8/88 ,  C09K8/82 ,  C09K8/80 ,  C09K8/76 ,  C09K8/74 ,  C09K8/72 ,  C09K8/68 ,  C09K8/64 ,  C09K8/62 ,  C09K8/588 ,  C09K8/52 ,  C09K8/512 ,  C09K8/467 ,  C09K8/42 ,  C09K8/36 ,  C09K8/035 ,  C04B103/00

Abstract: A aqueous solution that includes water, from 100,000 to 300,000 ppm of dissolved solids, from 0.5 to 3 gallons per thousand gallons of a water-in-oil emulsion, and an inverting surfactant. The water-in oil emulsion includes an oil phase and an aqueous phase where the oil phase is a continuous phase comprising an inert hydrophobic liquid and the aqueous phase is present as dispersed distinct particles in the oil phase. The aqueous phase contains water, a water soluble polymer, and surfactants. The water soluble polymer includes 30 to 50 weight percent of a non-ionic monomer, 5 to 15 weight percent of a sulfonic acid containing monomer, and 40 to 60 weight percent of a cationic monomer. The water soluble polymer makes up from 10 to 35 weight percent of the water-in-oil emulsion.

公开(公告)号：US20170355900A1

公开(公告)日：2017-12-14

申请号：US15531533

申请日：2015-11-30

Applicant: SOLVAY USA INC.

Inventor： Tyler Heath NELSON ,  Stephen Anthony GLOVER ,  Enrique LOPEZ

IPC: C09K8/90 ,  C08B37/00 ,  C09K8/68 ,  C09K8/72 ,  E21B43/26 ,  C08K3/38

CPC classification number: C09K8/90 ,  C08B37/0087 ,  C08K3/38 ,  C09K8/685 ,  C09K8/72 ,  C09K8/725 ,  C09K8/88 ,  E21B43/26

Abstract: A composition and method for treating a fracturing fluid comprising produced water with high levels of dissolved solids using a polymer crosslinked with a boron compound and a high pH alkylamine buffer. The composition improves the viscosity stability of the fracturing fluid at elevated bottom-hole temperatures, particularly when the fluid has high levels of calcium and magnesium. The composition is particularly useful with polysaccharides, including galactomannan gums, such as guar gum, locust bean gum, and karaya gum, and allows for the use of the preferred boron compound crosslinkers in high total dissolved solids fracturing fluids without the pH destabilization problems encountered with the prior art.