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Treatment of acidic electroplating 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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Treatment of acidic electroplating wastewater
Experimental Study of Fracturing Fluid Retention in Rough ...
Experimental Study of Fracturing Fluid Retention in Rough ...

Multistage hydraulic fracturing is a key technique for the effective exploitation of tight reservoirs. In the process of multistage hydraulic fracturing, a large amount of fracturing fluid is injected into the formation. However, field data show that the flowback rate of the fracturing …

Journal of Environmental Analytical Chemistry
Journal of Environmental Analytical Chemistry

Control of ,fluid, leak off into the formation by forming a filter cake on the walls of the fracture. ,Fracturing fluid, was prepared by blending a hydratable polymer into an aqueous ,fluid,. The aqueous ,fluid, could be distilled water, untreated produced water, treated produced water (by process conducted in site of the Heglig ,oil, …

Flowback - Ballotpedia
Flowback - Ballotpedia

Flowback resurfaces after frac fluid (an abbreviation of fracturing fluid) is injected into an oil or natural gas well to reduce friction pressure and create a fracture. Operators either recycle flowback for reuse in another oil or gas well or dispose of it at an underground injection facility.

Zero Flowback Rate of Hydraulic Fracturing Fluid in Shale ...
Zero Flowback Rate of Hydraulic Fracturing Fluid in Shale ...

A high flowback rate of hydraulic fracturing fluid (HFF) yields a high gas production rate in a tight sand gas reservoir. This idea is well followed when it comes to the hydraulic fracturing of a shale gas well.

The effect of hydraulic flowback and produced water on ...
The effect of hydraulic flowback and produced water on ...

20/4/2017, · Hydraulic fracturing involves pumping pressurized water (upwards of 69,000 kPa) into formations rich in oil and gas 1. Over time, the hydraulic fracturing fluid returns to …

Experimental Study of Fracturing Fluid Retention in Rough ...
Experimental Study of Fracturing Fluid Retention in Rough ...

However, some researchers mentioned that only a few fracturing fluids can enter the shale matrix given the change in pressure gradient during fracturing and flowback. The fracturing fluid, which is similar to proppants in the fracture, could support some closure fractures .

Study on the reutilization of clear fracturing flowback ...
Study on the reutilization of clear fracturing flowback ...

19/11/2014, · Such a low amount of AOS is very efficient and cost-effective. The high effectiveness of the mixture to decrease IFT may be due to the synergistic effect of VES and AOS. As mentioned above, the clear fracturing flowback fluid is mainly composed of VES which is usually cationic ammonium surfactant and AOS is anionic.

Distributed Temperature Measurements Allow Fracture ...
Distributed Temperature Measurements Allow Fracture ...

As a prelude to the production period, stimulation ,fluid flowback, is often performed after hydraulic ,fracturing, operations to remove the remaining ,fluid, and loosen proppant from the wellbore. Because recording the ,flowback, operation may be required already by regulations, the cost of collecting data from the ,flowback, period is minimal.

Ammonium sulfate | (NH4)2SO4 - PubChem
Ammonium sulfate | (NH4)2SO4 - PubChem

Ammonium sulfate, is an inorganic sulfate salt obtained by reaction of sulfuric acid with two equivalents of ammonia.A high-melting (decomposes above 280℃) white solid which is very soluble in water (70.6 g/100 g water at 0℃; 103.8 g/100 g water at 100℃), it is widely used as a fertilizer for alkaline soils. It has a role as a fertilizer.

Hydraulic Fracturing | Alberta Energy Regulator
Hydraulic Fracturing | Alberta Energy Regulator

Hydraulic fracturing is a well completion technique used to break up the rocks around a well to increase the flow of oil and natural gas. It involves pumping fluid into a wellbore to create enough pressure to fracture the hydrocarbon-bearing rock layer. The fracturing takes place at …

Factors Affecting Proppant Flowback with Resin Coated ...
Factors Affecting Proppant Flowback with Resin Coated ...

These factors include 1) the effect of fluid pH (7 to 12) and fluid type (KCL, seawater and a HPG/Borate fracturing fluid), 2) the effect of fluid/proppant slurry shear, 3) the effect of closure pressure during RCP curing, 4) the effect of stress cycling and 5) the effect of downhole flow conditions on proppant flowback.

Main controlling factors of fracturing fluid imbibition in ...
Main controlling factors of fracturing fluid imbibition in ...

After fracturing operations, a large amount of fracturing fluid is retained in shale fracture network, resulting in low flowback efficiency. This has been attributed to …

Polyacrylamide degradation and its implications in ...
Polyacrylamide degradation and its implications in ...

7/9/2018, · The complexity of the produced and ,flowback, waters generated in ,oil, and gas processing ... soil amendments: ,effect, on infiltration ... natural fractures caused by ,fracturing fluid, ...

The effect of hydraulic flowback and produced water on ...
The effect of hydraulic flowback and produced water on ...

20/4/2017, · Hydraulic fracturing involves pumping pressurized water (upwards of 69,000 kPa) into formations rich in oil and gas 1. Over time, the hydraulic fracturing fluid returns to …

The Effect of Hydraulic Fracturing on Groundwater Quality ...
The Effect of Hydraulic Fracturing on Groundwater Quality ...

27/1/2013, · ,Hydraulic fracturing, (fracking) has recently become one of the most talked-about resource recovery methods in the country.Fracking involves ,fracturing, rock formations to stimulate the flow of natural gas or ,oil, to the surface. In order to fracture a rock formation, large quantities of fluids are pumped down a well at high pressure and into the formation that contains the desired mineral.

Review of Treatment Methods for Fracturing Flowback Fluid ...
Review of Treatment Methods for Fracturing Flowback Fluid ...

Through analyzing and comparing the treatment ,of fracturing fluid flowback, at home and abroad, it can be found that ,fluid, derived organic waste water can be handled by micro electrolysis economically and efficiently. But there are also some shortages of traditional micro electrolysis. So this paper discusses a new micro-electrolysis technology, namely cavitation-impinging stream electrolysis ...

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