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fracturing flow-back fluids treatment interventions diagnosis

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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fracturing flow-back fluids treatment interventions diagnosis
Original Research Analysis of Chemical and Toxicological ...
Original Research Analysis of Chemical and Toxicological ...

High amounts of ,fluid, wastes (,flowback, waters) are a result of hydraulic ,fracturing,. After cracking a well, the ,fluid, is removed from the drillbore as well as from the cracks and gaps in the surrounding rock. As has been proved in American research, the amount of the ,fluid, obtained in shale gas ,fracturing, is lower than in the case of

Treatment of high viscosity fracturing flowback by ...
Treatment of high viscosity fracturing flowback by ...

Fracturing flowback contains various components such as guar gum, stabilizer, fungicide and various solid particles, resulting in high values of suspended solids (SS), viscosity and chemical oxygen demand (COD), which increased the cost and difficulty of treatment (Stringfellow et al. 2014).

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

20/4/2017, · Hydraulic ,fracturing fluid, are complex mixtures containing high concentrations of salts (up to 330,000 ppm), organic, and metal contaminants. However, little …

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 .

Hydraulic Fracturing Water Recycle through Optimal ...
Hydraulic Fracturing Water Recycle through Optimal ...

2.1. ,Flowback, Water ... ,Chemical Oxygen Demand, (,COD,) ... Table 1 lists different types ,of fracturing fluid, additives and their main components. A single well hydro fracture may require one to five million gallons ,of fracturing fluid,. After hydraulic ,fracturing,, ...

Treatment of hydraulic fracturing wastewater by wet air ...
Treatment of hydraulic fracturing wastewater by wet air ...

Wastewater produced by hydraulic fracturing for oil and gas production is characterized by high salinity and high chemical oxygen demand (COD). We applied a combination of flocculation and wet air oxidation technology to optimize the reduction of COD in the treatment of hydraulic fracturing wastewater.

Treatment of high viscosity fracturing flowback by ...
Treatment of high viscosity fracturing flowback by ...

Fracturing flowback, contains various components such as guar gum, stabilizer, fungicide and various solid particles, resulting in high values of suspended solids (SS), viscosity and ,chemical oxygen demand, (,COD,), which increased the cost and difficulty of treatment (Stringfellow et al. 2014).

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 …

Oil and gas: Treatment and discharge of produced waters ...
Oil and gas: Treatment and discharge of produced waters ...

SPE 119478, Frac ,Fluid, Recycling and Water Conservation: A Case History by D.V.S. Gupta and B.T. Hlidek, BJ Services. SPE 121104, Breakthrough Mobile Water Treatment Converts 75% ,of Fracturing Flowback Fluid, to Fresh Water and Lowers CO2 Emissions” by Aaron D. …

Chemical Composition of Produced and Flowback Water ...
Chemical Composition of Produced and Flowback Water ...

Hydraulic ,Fracturing Flowback, water: Following the ,fracturing, process, a portion of the fracking ,fluid, returns to the surface for about two weeks. Produced Water: More water may be produced along with oil and gas after the ,flowback, period is over and well is in production.

Enhanced bioremediation of hydraulic fracturing flowback ...
Enhanced bioremediation of hydraulic fracturing flowback ...

1/10/2020, · The flowback fluids returned from the HF process is called hydraulic fracturing flowback and produced water (HF-FPW) [2]. HF-FPW is a complicated mixture, which is usually characterized by, high chemical oxygen demand (COD) (,up to 10000 mg/L), salinity (up to 250 g/L NaCl) [3], and stability [4].

Factors impacting electrocoagulation treatment of ...
Factors impacting electrocoagulation treatment of ...

This research presents 56 experiments on hydraulic ,fracturing flowback, and produced waters to evaluate common factors affecting electrocoagulation (EC) removal of turbidity, ,chemical oxygen demand, (,COD,), dissolved organic carbon (DOC) and final pH. Additionally, qualitative reductions in the common ,fluid, additives polyethylene glycols (PEGs ...

Can We Treat Hydraulic Fracturing Flowback with a ...
Can We Treat Hydraulic Fracturing Flowback with a ...

This study demonstrates the potential of an activated sludge mixed liquor to degrade guar under typical ,flowback, conditions [i.e., high concentrations of total dissolved solids (TDS)]. Guar was efficiently degraded at a TDS concentration of 1500 mg/L, with more than 90% of the dissolved ,chemical oxygen demand, (,COD, d) having been removed after 10 h.

CN102992524A - Fracturing flowback fluid treatment method ...
CN102992524A - Fracturing flowback fluid treatment method ...

The invention discloses a treatment method for ,flowback fluid, in horizontal well ,fracturing, exploitation of oil fields and unconventional oil and gas fields, such as natural gas and shale gas. The method comprises the steps of: removing scale-forming elements from ,fracturing flowback fluid, by flocculation and sedimentation; and converting chloride ions in waste water into hypochlorite and ...

Can We Treat Hydraulic Fracturing Flowback with a ...
Can We Treat Hydraulic Fracturing Flowback with a ...

This study demonstrates the potential of an activated sludge mixed liquor to degrade guar under typical ,flowback, conditions [i.e., high concentrations of total dissolved solids (TDS)]. Guar was efficiently degraded at a TDS concentration of 1500 mg/L, with more than 90% of the dissolved ,chemical oxygen demand, (,COD, d) having been removed after 10 h.

KOSUN Fracturing Flowback Fluid Treatment System and ...
KOSUN Fracturing Flowback Fluid Treatment System and ...

The ,fracturing flowback fluid, treatment system occupies a small area, short installation and commissioning cycle, high degree of automation, and easy operation. Measures to adapt to different types ,of fracturing, systems and different ,fracturing, processes, the waste liquid is treated to meet the standards to ensure that the effluent water quality meets the needs of reinjection or re-allocation.

Wet air oxidation of fracturing flowback fluids over ...
Wet air oxidation of fracturing flowback fluids over ...

1/2/2017, · With the rapid development of shale gas, the vast majority of fracturing fluids return to ground, approximately, 10–40%,, which are named fracturing flowback fluids (FFFs). Hydroxypropylguar gum and other organic additives are the predominant components of fracturing fluid, which have excessive COD, the most important polluting characteristic of the wastewater.

Removal of organics from shale gas fracturing flowback ...
Removal of organics from shale gas fracturing flowback ...

FPW had high chemical oxygen demand (COD) (3278 mg/L) and the majority of organic compounds in the FPW composed of alkanes and heteroatomic compounds with polymers and polarity. 20% COD removal was achieved after adding 5 g/L of NaClO in FPW (pH = 7, stirring for 20 mins) as pre-treatment and > C 30 alkanes in FPW were decomposed a lot in the pre-treatment process.

(PDF) Treatment of hydraulic fracturing flowback fluid by ...
(PDF) Treatment of hydraulic fracturing flowback fluid by ...

PDF | Treating hydraulic ,fracturing flowback fluid, has been receive much attention due to its high total dissolved solid and organic matter. In this... | Find, read and cite all the research you ...

Can We Treat Hydraulic Fracturing Flowback with a ...
Can We Treat Hydraulic Fracturing Flowback with a ...

This study demonstrates the potential of an activated sludge mixed liquor to degrade guar under typical ,flowback, conditions [i.e., high concentrations of total dissolved solids (TDS)]. Guar was efficiently degraded at a TDS concentration of 1500 mg/L, with more than 90% of the dissolved ,chemical oxygen demand, (,COD, d) having been removed after 10 h.

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