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Adding ferrous sulfate to chromium containing wastewater under acidic condition

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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Adding ferrous sulfate to chromium containing wastewater under acidic condition
The effect of hydraulic flowback and produced water on ...
The effect of hydraulic flowback and produced water on ...

20/4/2017, · Over time, the hydraulic fracturing fluid returns to the surface as pressure is released, bringing with it components associated with the geology of the formation and the entrapped fluids in the...

AIREX: Model for Fracturing Fluid Flowback and ...
AIREX: Model for Fracturing Fluid Flowback and ...

Model for ,Fracturing Fluid Flowback, and Characterization of ,Flowback, Mechanisms: ... the location of injected water after ,fracturing treatment,; ... The ,significance, of this research work lies on understanding how ,flowback, behavior impacts the gas production performance of shale gas wells in both short term and long term view.

Minimum Effective Dose: A Study of Flowback and Produced ...
Minimum Effective Dose: A Study of Flowback and Produced ...

This paper outlines results from 15 months of ,flowback, and produced ,fluid treatment, for use as hydraulic ,fracturing fluid, in the Permian Basin in Texas and in New Mexico in the Delaware basin. It has been used on 177 wells and 3,075 stages in this area during the period, having been used to treat 21.7 million barrels of ,fluid,; 4.5 million barrels of which was reused ,flowback, and/or produced ,fluid,. The technology employs the minimum effective ,treatment, …

Treatment Of Flowback For Reuse: An Emerging Oilfield ...
Treatment Of Flowback For Reuse: An Emerging Oilfield ...

To illustrate the significance, consider a fracturing operation that will use 160,000 bbl of a 1:1 flowback/freshwater blend, in which the flowback contains a seemingly small amount of suspended solids, 350 ppm. Left untreated, the blend will deliver nearly 5 tons of solids into the formation.

Hydraulic fracturing design considerations water ...
Hydraulic fracturing design considerations water ...

1/11/2020, · In such cases, hydraulic fracturing or ‘fracking’ is a well stimulation technique that involves injection of engineered fluids, sands, polymers and/or chemicals under extremely high pressure to targeted zones. Hydraulic fracturing enables improved oil and/or gas flow from such reservoirs.

Electromagnetic Data Track Fluid Movement Improve Frac ...
Electromagnetic Data Track Fluid Movement Improve Frac ...

3/6/2020, · More precisely, ,fluid, injection and ,flowback, alter the fracture network’s size, shape and extent, thereby changing the characteristics of the induced electromagnetic field. These changes are recorded at the surface using multiple receivers to map the electromagnetic field.

Model for Fracturing Fluid Flowback and Characterization ...
Model for Fracturing Fluid Flowback and Characterization ...

induced fracture system should be understood before the fracturing treatment design and flowback scheme determination. More specifically, an aggressive, flowback schedule, might, reduce the effective stimulated shale volume and/or the gas production rate., Therefore, understanding where the injected water is located, how water is distributed

Enhanced treatment of shale gas fracturing waste fluid ...
Enhanced treatment of shale gas fracturing waste fluid ...

12/2/2021, · ,Cost-efficient, and environmentally friendly treatment of hydraulic, fracturing, effluents is of great significance for the sustainable development of shale gas exploration. We investigated the synergistic effects of plant-microbial treatment of shale gas fracturing waste fluid. The results showed that illumination wavelength and temperature are ...

Study on fracturing flowback fluid treatment technology ...
Study on fracturing flowback fluid treatment technology ...

1/2/2018, · Shale gas ,fracturing flowback fluid, has the characteristics of high viscosity, large displacement, complex components and difficult to deal with. Therefore, it is of great signifi

(PDF) Water management in hydraulic fracturing technology
(PDF) Water management in hydraulic fracturing technology

fracturing fl owback fluid,, this paper lists the ,treatment, techn ologies of ,fracturing flowback fluid,, which can relieve the wor ries of shale gas exploitation and wi de application. 1.

Treatment Of Flowback For Reuse: An Emerging Oilfield ...
Treatment Of Flowback For Reuse: An Emerging Oilfield ...

While freshwater remains the predominant ,fracturing fluid, across the industry, ... To illustrate the ,significance,, consider a ,fracturing, operation that will use 160,000 bbl of a 1:1 ,flowback,/freshwater blend, in which the ,flowback, contains a seemingly small amount of ... chlorine dioxide can be a useful oxidizer for the ,treatment, of ,flowback,.

Shale Frac Sequential Flowback Analyses and Reuse Implications
Shale Frac Sequential Flowback Analyses and Reuse Implications

Load recovery following ,fracturing, operations is a key aspect of any water reuse program since the load recovery volumes may vary across operating locations and the amount of water that can be recycled is dependent upon the final water chemistry. In many cases, significant dilution of ,flowback, water with fresh water is applied to new completions.

Study on fracturing flowback fluid treatment technology ...
Study on fracturing flowback fluid treatment technology ...

1/2/2018, · Shale gas, fracturing flowback fluid, has the characteristics of high viscosity, large displacement, complex components and difficult to deal with. Therefore, it is of great, significance, for environmental protection to, treat, and reuse it.

Hydraulic Fracturing Flowback Water Chemical Composition ...
Hydraulic Fracturing Flowback Water Chemical Composition ...

composition"of"hydraulicfracturing",flowback,"water,"which"is"the",fluid,"that"flows"back"to"the"surface" from"an"unconventional"well"afterithas"been"drilled."Principle"findings"and"the",significance,"ofeach"

Study on fracturing flowback fluid treatment technology ...
Study on fracturing flowback fluid treatment technology ...

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(PDF) Study on fracturing flowback fluid treatment ...
(PDF) Study on fracturing flowback fluid treatment ...

PDF | Shale gas ,fracturing flowback fluid, has the characteristics of high viscosity, large displacement, complex components and difficult to deal with.... | Find, read and cite all the research ...

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