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Acid wastewater from neutralization reaction

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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Acid wastewater from neutralization reaction
Hydraulic Fracturing and Shale Gas Production: Technology ...
Hydraulic Fracturing and Shale Gas Production: Technology ...

3.1 Life-,cycle, GHG Emissions ... For shale gas wells, this includes hydraulic ,fracturing, activities. ,Flowback, water: The water that returns to the surface from the wellbore within the first few weeks after hydraulic ... but may be mixed with ,fracturing fluid, if hydraulic ,fracturing, was used to stimulate the well.

Model of the Use and Production of Water in the Gulf of ...
Model of the Use and Production of Water in the Gulf of ...

associated with the ,fracturing fluid,. ... the water ,cycle, goes through the stages of acquisition, conditioning, utilization, ... Estimates of the fraction of injected hydraulic ,fracturing fluid, that returns as ,flowback, are highly variable. The maximum are less than 85% in

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

The viscosity of fracturing ,flowback, was relatively high due to the guar gum. Therefore, the fracturing ,flowback, was different from conventional oilfield wastewater, which couldn't be treated by flocculation and sedimentation directly. Hence, degrading the molecular chain of guar gum was essential for the subsequent treatment process.

Reutilization of Fracturing Flowback Fluids in Surfactant ...
Reutilization of Fracturing Flowback Fluids in Surfactant ...

The, fracturing flowback fluids, were found to be suitable for reservoirs, with a salinity ranging from 0 to 110000 mg/L and temperatures ranging from 50 to 90 °C. In the solid/liquid system, the saturated adsorption capacity and dynamic retention capacity were 8.09 mg/g and 2.29 mg/g, respectively.

Hydraulic Fracturing: Oil and Gas BMP Project
Hydraulic Fracturing: Oil and Gas BMP Project

Produced water and frac ,flowback, brine can be treated and recycled for re-use in ... The goals of the study were to assess the potential for activities in the ,hydraulic fracturing, water ,cycle, to impact the quality or quantity of drinking water resources and to ... and the maximum ingredient concentration in the ,hydraulic fracturing fluid,.

Modeling and Simulation of Shale Fracture Attitude | ACS Omega
Modeling and Simulation of Shale Fracture Attitude | ACS Omega

After ,fracturing, operation, hydraulic fractures and induced fractures are created within the shale reservoir. A lot of treatment water is stored in fractures network and ,flow back, into the surface during the gas recovery process. The gas prodn. performance is affected by the water ,flowback, because two phase flow occurs within fractures zone.

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 …

Reutilization of thickener from fracturing flowback fluid ...
Reutilization of thickener from fracturing flowback fluid ...

1/1/2019, · In 2016, ,Yan, et al. developed a reusable viscoelastic surfactant fracturing ,fluid, and the viscoelasticity of which can be regulated by pH value. In their work, citric acid was employed as an internal breaker and the gel-breaking ,fluid, can be viscoelastic ,fluid, once again when pH value was adjusted over 8, then reused.

A review of fracturing fluid systems used for hydraulic ...
A review of fracturing fluid systems used for hydraulic ...

Hydraulic fracturing has been used by the oil and gas industry as a way to boost hydrocarbon production since 1947. Recent advances in fracturing technologies, such as multistage fracturing in horizontal wells, are responsible for the latest hydrocarbon production boom in the US. Linear or crosslinked guars are the most commonly used fluids in ...

Surfactant-Based Treatment Fluids Mitigate Fracture Hits ...
Surfactant-Based Treatment Fluids Mitigate Fracture Hits ...

The results of the water saturation was used to assess the damage by the ,fracturing fluid, from the new infill well. Test results revealed that, without surfactant in fracture fluids in child wells, water saturations in the MD after the second ,flowback, were higher than those after the first invasion/,flowback cycle,, ...

Modelling the Apparent Viscosity of Water Confined in ...
Modelling the Apparent Viscosity of Water Confined in ...

Yan Gao, Research Institute ... The viscosity of nanoconfined ,fluid, is a crucial parameter for evaluating the ,flow back, of the fracturing ,fluid, in unconventional reservoirs. ... and further guide to simulate the imbibition characteristic or the ,flowback, performance of the fracturing liquid in shale gas/oil reservoirs.

Hydraulic Fracturing and its Impact on Water Resources
Hydraulic Fracturing and its Impact on Water Resources

After the ,fracturing, process, a percentage of the water returns fairly quickly to the surface as wastewater, also called “,flowback,.” The briny water that has long been underground and comes up during continued operation of the well, called “produced water,” can contain naturally occurring contaminants like the radioactive element radium, along with other heavy metals and salts.

Development and Application of Recyclable Fracturing Fluid ...
Development and Application of Recyclable Fracturing Fluid ...

“Low permeability, low pressure and low abundance” is the typical characteristic of Changqing sandstone Oilfield. To develop this block economically, large-scale stimulation was often required, which...

Study of Fracturing Fluid on Gel Breaking Performance and ...
Study of Fracturing Fluid on Gel Breaking Performance and ...

1/10/2020, · Therefore, in field, the fracturing ,fluid flowback, time should be shortened as much as possible to reduce the soaking effect of the gel breaking ,fluid, on the proppant. (3) The damage of the conductivity caused by the crush and embedding of the proppant showed that the potential rock/,fluid, reaction between the gel breaking ,fluid, and the formation has a certain influence on the proppant …

Energized Fracturing Solutions | Hart Energy
Energized Fracturing Solutions | Hart Energy

Additionally, the flexibility of energized solutions allows the hydraulic ,fracturing fluid, to be mixed according to the technological needs of unconventional reservoirs. They provide more rapid and complete treatment ,fluid, recovery, help to clean without the need for swabbing and reduce formation damage by minimizing the amount of aqueous fluids introduced to the formation.

Water in the Oil and Gas Cycle including Hydraulic Fracturing
Water in the Oil and Gas Cycle including Hydraulic Fracturing

26/3/2016, · •Water use for hydraulic ,fracturing, is higher than that for conventional gas production but is in the low range of that for conventional oil production. •Water use for hydraulic ,fracturing, varies among plays as a result of varying number of vertical vs horizontal wells, length of laterals, number of frac stages, and frac ,fluid, types.

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