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Substances used to treat acid wastewater

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Substances used to treat acid wastewater
Analysis of hydraulic fracturing additives by LC/Q-TOF-MS ...
Analysis of hydraulic fracturing additives by LC/Q-TOF-MS ...

5/6/2015, · Gels are used in ,fracturing, fluids in order to increase the ,viscosity, of the liquid, thus enhancing the proppant (usually sand) to be suspended in the mix and ultimately penetrate in the geologic formations to hold open the cracks created by the hydraulic ,fracturing,. The fluids that contain gelling agents are commonly known as “gel-frac.”

High temperature hydraulic fracturing fluid - Schlumberger ...
High temperature hydraulic fracturing fluid - Schlumberger ...

Preferably the ,fracturing fluid, of the present invention can maintain a ,viscosity, of at least 100 cP at 100 sec-1 for at least 90 minutes at 375° F. ,Fracturing, Procedures Techniques for hydraulically ,fracturing, a subterranean formation will be known to persons of ordinary skill in the art, and will involve pumping the ,fracturing fluid, into the borehole and out into the surrounding formation.

Stage 3: Exploratory Drilling - RESOLVE
Stage 3: Exploratory Drilling - RESOLVE

23/1/2013, · Once the ,fracturing fluid, has been injected into the shale formation, some of it returns to the surface as ,flowback,. The amount of ,flowback, returning varies widely depending on the geologic characteristics of the formation, ranging from 30% to 70% of the original volume, 12 while the remaining portion of the injected ,fluid, remains trapped in the shale.

Investigation of a critical choke during hydraulic ...
Investigation of a critical choke during hydraulic ...

18/10/2019, · During the process of ,fracturing fluid flowback,, gas will appear in the wellhole leading to an increase in wellhead pressure. Due to the appearance of gas, mixed ,fluid, (gas and liquid) density and ,viscosity, will decrease, ,fluid, drag force will be weakened and a bigger choke diameter can benefit ,fracturing fluid flowback,.

Potassium hydroxide | KOH - PubChem
Potassium hydroxide | KOH - PubChem

Potassium hydroxide,, also known as lye is an inorganic compound with the chemical formula KOH.Also commonly referred to as caustic potash, it is a potent base that is marketed in several forms including pellets, flakes, and powders.It is used in various chemical, industrial and manufacturing applications. ,Potassium hydroxide, is also a precursor to other potassium compounds.

Study on the Reutilization of Clear Fracturing Flowback ...
Study on the Reutilization of Clear Fracturing Flowback ...

An investigation was conducted to study the reutilization of clear ,fracturing flowback, fluids composed of viscoelastic surfactants (VES) with additives in surfactant flooding, making the process more efficient and cost-effective. The clear ,fracturing flowback, fluids were used as surfactant flooding system with the addition of α-olefin ...

Study of the Potential Impacts of Hydraulic Fracturing on ...
Study of the Potential Impacts of Hydraulic Fracturing on ...

The cycle includes the acquisition of water needed for the hydraulic ,fracturing fluid,, onsite mixing of chemicals with the water to create the hydraulic ,fracturing fluid,, injection of the ,fluid, under high pressures to fracture the oil- or gas-containing formation, recovery of ,flowback, and produced water (hydraulic ,fracturing, wastewater) after the injection is complete, and treatment and/or disposal of the …

Hydraulic fracturing (‘fraccing’) techniques including ...
Hydraulic fracturing (‘fraccing’) techniques including ...

Hydraulic ,fracturing, (‘fraccing’) techniques, including reporting requirements and governance arrangements, Background review is licensed by the Commonwealth of Australia for use under a Creative Commons By Attribution 3.0 Australia licence with the exception of the Coat of Arms of the Commonwealth of Australia, the logo of the agency responsible for publishing the report, content …

Potassium hydroxide | KOH - PubChem
Potassium hydroxide | KOH - PubChem

Potassium hydroxide,, also known as lye is an inorganic compound with the chemical formula KOH.Also commonly referred to as caustic potash, it is a potent base that is marketed in several forms including pellets, flakes, and powders.It is used in various chemical, industrial and manufacturing applications. ,Potassium hydroxide, is also a precursor to other potassium compounds.

Hydraulic fracturing - Analytical solutions for a ...
Hydraulic fracturing - Analytical solutions for a ...

Sample ,preparation, 9 Titration for fracking design and water samples Matrix interference removal (metals, anions, cations, and hyrophobic compounds) Hydraulic ,fracturing flowback, and produced wastewater samples. Learn More Thermo Scientific ™ Dionex ™Thermo Scientific OnGuard™ II Cartridges. Thermo Scientific ™ InGuard Cartridges.

Study on the Reutilization of Clear Fracturing Flowback ...
Study on the Reutilization of Clear Fracturing Flowback ...

generally range, from a few thousands gallons to several hundred thousands gallons,, is a great challenge [13]. What’s more, fracturing flowback fluids contain hazardous materials, such as

Common Hydraulic Fracturing Fluid Additives Alter the ...
Common Hydraulic Fracturing Fluid Additives Alter the ...

Hydraulic ,fracturing fluid, (HFF), injected into the hydrocarbon-bearing formation during development, is a complex mixture composed of water, proppants used to maintain fractures, and additives to enhance the production (including lubricants, scale reducers, ,viscosity, builders, and biocides to minimize biofouling and souring of the oil and/or gas [4, 11 – 17]).

Oil and Gas Production Wastewater: Soil Contamination and ...
Oil and Gas Production Wastewater: Soil Contamination and ...

Surfactants are used to achieve optimal ,viscosity, of HF fluids, reduce surface tension, and assist in ,fluid, recovery after ,fracturing, [5, 46, 70]. Surfactants can be used in place of cross-linkers and gelling agents in high temperature or high pressure formations.

Retention of Hydraulic Fracturing Water in Shale: The ...
Retention of Hydraulic Fracturing Water in Shale: The ...

Common chemical additives in ,fracturing fluid, are often surfactants [7,34,36,37,38]. Generally, they are intended to increase the ,viscosity, of ,fracturing fluid, to allow it to propagate within the target formation. An anionic surfactant that is added in ,fracturing fluid, mixture is Internal Olefin Sulfate (IOS) [34].

Potassium hydroxide | KOH - PubChem
Potassium hydroxide | KOH - PubChem

Potassium hydroxide,, also known as lye is an inorganic compound with the chemical formula KOH.Also commonly referred to as caustic potash, it is a potent base that is marketed in several forms including pellets, flakes, and powders.It is used in various chemical, industrial and manufacturing applications. ,Potassium hydroxide, is also a precursor to other potassium compounds.

Green Ferrate(VI) for Multiple Treatments of Fracturing ...
Green Ferrate(VI) for Multiple Treatments of Fracturing ...

The composition of ,fracturing, wastewater is related to the components in the initial ,fracturing fluid,, which contains varieties of chemical additives, such as gelatinizers and thickeners (1–2%, consisting of guar gum or polyacrylamide), a crosslinker (~0.2%, from borate), ,fluid, loss control agents (0.2–0.5% originating from quartz sand or pottery clay), a gel breaker (~0.05%, consisting of ...

A novel CO2 and pressure responsive viscoelastic ...
A novel CO2 and pressure responsive viscoelastic ...

1/10/2018, · The quick recovery in ,viscosity, of this VES ,fracturing fluid, can ensure the lower loss and efficient proppant transport in the fracture. The rheological profile shows that VES ,fracturing fluid, has strong physical crosslinking and excellent shear recovery ability under the high CO 2 pressure.

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