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Stainless steel pump can be used for acid wastewater with pH 3

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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Stainless steel pump can be used for acid wastewater with pH 3
Environmental impact of hydraulic fracturing - Wikipedia
Environmental impact of hydraulic fracturing - Wikipedia

The environmental impact of hydraulic ,fracturing, is related to land use and water consumption, air emissions, including methane emissions, brine and ,fracturing fluid, leakage, water contamination, noise pollution, and health.Water and air pollution are the biggest risks to human health from hydraulic ,fracturing,. Research has determined that human health is affected.

Treatment and recycling of acidic fracturing flowback fluid
Treatment and recycling of acidic fracturing flowback fluid

Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH value, high chemical oxygen demand (COD), high corrosiveness and complex components. Surface discharge without ,treatment, may contaminate the environment. However, wastewater ,treatment, after centralized transportation has poten …

Fracture treatment design - PetroWiki
Fracture treatment design - PetroWiki

15/1/2018, · However, in many ,low,-permeability reservoirs, the dimensionless fracture conductivity, C fD, must be 50 to 100 for the fracture ,fluid, to clean up after the treatment. As such, the "optimum" value of C fD = 10 is considered a minimum value, and C fD should be even larger than 10 when fracture ,fluid, cleanup issues are a problem.

Minerals - GOV.UK
Minerals - GOV.UK

The ,flowback, water also may contain salts and other dissolved ,minerals, from the shale rock formation. Estimates vary on what percentage of the hydraulic ,fracturing fluid, returns to the surface ...

An Experimental Study on Biological Treatment of ...
An Experimental Study on Biological Treatment of ...

The EB Series bacteria screened from the oilfield ,fracturing fluid, can effectively degrade the macromolecule and organic pollutants in ,fracturing fluid,.We study on the ,influence, of the shaking time,temperature,inoculum amount,bacteria mixed ,rate, on COD removal ,rate of fracturing fluid,.The results show that: in better application condition with 48h shaking,25℃,inoculum amount 10%,mixed ,rate, …

Annual Report (10-k) - Investors Hub
Annual Report (10-k) - Investors Hub

As a result of the 2017 Tax Cuts and Jobs Act (the “TCJA”), for tax years beginning after December 31, 2017 and before January 1, 2026, the highest marginal U.S. federal income tax ,rate, applicable to ordinary income of individuals is 37%, and the highest marginal U.S. federal income tax ,rate, applicable to

Frac Water Reuse - Chemical Engineering | Page 1
Frac Water Reuse - Chemical Engineering | Page 1

A typical flow profile could be the following: the ,flowback rate, over the first 1 to 5 days after ,fracturing, is around 100 to 150 bbl/h, and recovers 10–25% of the initially injected water; then over the next 10 days, the ,rate, decreases to 20 to 60 bbl/h and recovers another 8 to 12%.

Biomineralization of hypersaline produced water using ...
Biomineralization of hypersaline produced water using ...

15/2/2021, · 1. Introduction. The success in shale oil and gas extraction has significant economic impacts for the United States. Still, there is an increasing public concern about the large quantities of produced water (PW) generated during the hydraulic ,fracturing, process and oil and gas production (Kondash and Vengosh, 2015; Scanlon et al., 2020).

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

1/11/2015, · According to the water characteristics of fracturing flowback fluid and requirements of field reutilization, a fracturing flowback fluid treatment unit was developed, with the main treatment process of, “coagulation and precipitation, sludge dewatering,, and, filtration and disinfection,”, (Fig. 8).

Study on Fluid-Rock Interaction and Reuse of Flowback ...
Study on Fluid-Rock Interaction and Reuse of Flowback ...

Comparing to the original ,fracturing fluid, whose density was 1.30 g/cc, the density of the ,flowback fluid, decreased with time, indicating the loss of weighting agent into the formation. When the ,flowback fluid, is reused, additional weighting agent might be needed depending on the ,fracturing, job; however, the dosage can be less than the case using the fresh water.

Fracturing Fluid | Scientific.Net
Fracturing Fluid | Scientific.Net

The technology can not only solve the problems that the passivation of process and the plugged equipment in the treatment ,of fracturing fluid flowback fluid, by traditional micro electrolysis, but also can better promote the reaction from the reaction kinetics with the help of Coupling application about cavitation and impinging stream technology, so as to realize the purpose of improving the reaction ,rate, …

Frac Water Reuse - Chemical Engineering | Page 1
Frac Water Reuse - Chemical Engineering | Page 1

A typical flow profile could be the following: the ,flowback rate, over the first 1 to 5 days after ,fracturing, is around 100 to 150 bbl/h, and recovers 10–25% of the initially injected water; then over the next 10 days, the ,rate, decreases to 20 to 60 bbl/h and recovers another 8 to 12%.

Influence of downhole conditions on the leakoff properties ...
Influence of downhole conditions on the leakoff properties ...

OSTI.GOV Journal Article: ,Influence, of downhole conditions on the leakoff properties ,of fracturing, fluids

Microbial communities in flowback water impoundments from ...
Microbial communities in flowback water impoundments from ...

After hydraulic ,fracturing,, the pumping pressure is decreased, and ,fluid, in the formation returns to the surface through the well casing (GWPC & ALL Consulting, 2009; Gregory et al ., 2011 ). This water is referred to as ‘,flowback,’, and the period of ,flowback, is variable but commonly lasts 2 weeks.

Hydraulic fracturing - Wikipedia
Hydraulic fracturing - Wikipedia

Hydraulic ,fracturing,, also called fracking, fracing, hydrofracking, fraccing, frac'ing, and hydrofracturing, is a well stimulation technique involving the ,fracturing, of bedrock formations by a pressurized liquid. The process involves the high-pressure injection of "fracking ,fluid," (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore ...

Reduced adsorption of polyacrylamide‐based fracturing ...
Reduced adsorption of polyacrylamide‐based fracturing ...

However, slick‐water ,fracturing, only provides a small amount of proppant owing to the ,low, viscosity of the ,fracturing fluid,. 10 To enhance the carrying capacity of proppant and increase the effective volume of reservoir stimulation, high pump rates exceeding 20 m 3 /min are required to transport the proppant during the hydraulic ,fracturing, process.

A Novel Method for Quantitative Analysis of Engineering ...
A Novel Method for Quantitative Analysis of Engineering ...

retention is serious, which leads to the low flowback rate of gas and the decrease in coal seam permeability [13]. Other scholars argued that high density drilling fluid and cement slurry, high viscous drilling fluid, and large volume of cement slurry and displacement fluid would easily cause an ion of solid medium in reservoir pore and fracture.

Hydraulic Fracturing of Rock Formations Part 1 ...
Hydraulic Fracturing of Rock Formations Part 1 ...

1/9/2019, · The ,flowback, of a proppant following fracture stimulation treatment is a major concern because of the possible damage to equipment and loss in well production ,rate,. Proppant related degradation of the fracture conductivity can be caused by ,flowback,, mechanical failure of the proppant grains, chemical damage or dissolution from the additives, and proppant embedment.

Study on Fluid-Rock Interaction and Reuse of Flowback ...
Study on Fluid-Rock Interaction and Reuse of Flowback ...

Comparing to the original fracturing fluid whose density was 1.30 g/cc, the density of the flowback fluid decreased with time, indicating the loss of weighting agent into the formation. When the flowback fluid is reused, additional weighting agent might be needed depending on the fracturing job; however, the dosage can be less than the case using the fresh water.

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

During oil and natural ,gas production,, so-called “produced water” comprises the largest byproduct stream. In addition, many oil and gas operations are augmented via injection of hydraulic ,fracturing, (HF) fluids into the formation. Both produced water and HF fluids may contain hundreds of individual chemicals, some known to be detrimental to public health and the environment. Oil ...

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