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Pollution hazards of acid 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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Pollution hazards of acid wastewater
Nano emulsions for enhanced fluid flowback recovery from ...
Nano emulsions for enhanced fluid flowback recovery from ...

Description. Large amounts of aqueous based ,fluid, are used in hydraulic ,fracturing, of tight formations to enhance gas production. The pumped aqueous-based ,fluid, is not fully recovered during ,flowback, of well after the treatment resulting in increased water saturation, water blockage, clay swelling, reduced relative permeability, and long-lasting formation damage that impedes gas production.

Determination of Cations in Hydraylic Fracturing Flowback ...
Determination of Cations in Hydraylic Fracturing Flowback ...

fracturing event, the pressure is released and the fracking fluid that returns to the surface is referred to as flowback, which is pumped into lined storage ponds prior to subsequent recycling or disposal (Figure 1). Hydraulic fracturing requires large quantities of water because …

Resource Recovery and Reuse for Hydraulic Fracturing ...
Resource Recovery and Reuse for Hydraulic Fracturing ...

Recovery of natural gas and oil from unconventional (shale) reservoirs relies on horizontal drilling and hydraulic fracturing to make it economical. Hydraulic fracturing generates vast quantities of flowback and produced water (FPW) and its compn. exhibits huge spatial and temporal variations among shale plays.

Chemical Tracer Flowback Data Help Understanding of Fluid ...
Chemical Tracer Flowback Data Help Understanding of Fluid ...

Typical deliverables from chemical tracer tests include analysis regarding fracturing-fluid recovery, wellbore cleanup, and stage inflow contribution. Advanced research has led to use of chemical tracer flowback data to investigate fracture geometry and fracture-­network complexity.

Nano emulsions for enhanced fluid flowback recovery from ...
Nano emulsions for enhanced fluid flowback recovery from ...

Description. Large amounts of aqueous based ,fluid, are used in hydraulic ,fracturing, of tight formations to enhance gas production. The pumped aqueous-based ,fluid, is not fully recovered during ,flowback, of well after the treatment resulting in increased water saturation, water blockage, clay swelling, reduced relative permeability, and long-lasting formation damage that impedes gas production.

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

Centralized and group well deployment and factory-like ,fracturing, techniques are adopted for low-permeability tight sandstone gas reservoirs in the Sulige Gasfield,Ordos Basin,so as to realize its efficient and economic development.However,environmental protection is faced with grim situations because ,fluid, delivery rises abruptly on site in a short time due to centralized ,fracturing, of the ...

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

Natural Gas Industry B (2015-11-01) . ,Recovery, and treatment ,of fracturing flowback, fluids in the Sulige Gasfield, Ordos Basin

What is the Frac Load Fluid Recovery?
What is the Frac Load Fluid Recovery?

1/6/2014, · Enhanced ,recovery, rates. Minimized flaring - immediate to gas sales. Does not cause clay swelling. Maintains higher relative permeability to oil. ,Flowback, Turn a liability into an asset. Engineered hydrocarbon frac per facilities. Quicker for wells to clean up. Low surface tension help during ,flowback,.

Fracking Water: It’s Just So Hard to Clean
Fracking Water: It’s Just So Hard to Clean

4/10/2013, · ,Flowback, water (which literally “flows back” during the fracking process) is a mixture of fracking ,fluid, and formation water (i.e., water rich in brine from the targeted shale gas-rich rock).

Fracking Water: It’s Just So Hard to Clean
Fracking Water: It’s Just So Hard to Clean

4/10/2013, · ,Flowback, water (which literally “flows back” during the fracking process) is a mixture of fracking ,fluid, and formation water (i.e., water rich in brine from the targeted shale gas-rich rock).

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

While in hydraulic fractures in conventional reservoirs most of the injected fracturing fluid flows back quickly, field observations have reported that load recovery from shale gas wells occurs over a long period, and in some shale formations only a small fraction of total injected fluid is recovered.

Evaluation of Nanoemulsion to Improve the Fracturing Fluid ...
Evaluation of Nanoemulsion to Improve the Fracturing Fluid ...

Abstract Nanoemulsion (NE) has been widely added into fracturing fluid as flowback additive to enhance fracturing fluid recovery. An environmental friendly nanoemulsion has been formulated. The particle size distribution of the nanoemulsion has been determined. The surface tension and

Chemical Tracer Flowback Data Help Understanding of Fluid ...
Chemical Tracer Flowback Data Help Understanding of Fluid ...

Typical deliverables from chemical tracer tests include analysis regarding fracturing-fluid recovery, wellbore cleanup, and stage inflow contribution. Advanced research has led to use of chemical tracer flowback data to investigate fracture geometry and fracture-­network complexity.

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

Centralized and group well deployment and factory-like ,fracturing, techniques are adopted for low-permeability tight sandstone gas reservoirs in the Sulige Gasfield,Ordos Basin,so as to realize its efficient and economic development.However,environmental protection is faced with grim situations because ,fluid, delivery rises abruptly on site in a short time due to centralized ,fracturing, of the ...

Fracturing Flowback Brochure - Interface Fluidics
Fracturing Flowback Brochure - Interface Fluidics

Interface’s nanotechnology platform helps operators realize additional ,recovery, by optimizing ,fluid, performance. The platform. identifies top ,fluid, additives, quantifying their relative performance and compatibility with other fluids, for increased confidence in completions. decisions.

Flowback Fluids Treatment Technology with Water Recycling ...
Flowback Fluids Treatment Technology with Water Recycling ...

The scheme of ,flowback fluid, cleaning and recovering technology will be reviewed along with a discussion of the results and an assessment of environmental impact, including all generated by-products. The presented technology is innovative due to the metal ,recovery,, as well as purified water supply for hydraulic ,fracturing, process, which is significant contribution to reducing water consumption.

Pursuing improved flowback recovery after hydraulic fracturing
Pursuing improved flowback recovery after hydraulic fracturing

Low injected ,fracturing fluid recovery, has been an issue during ,flowback, period that is highly impacted by the fracture closure behavior. Although existing ,flowback, models consider fracture closure volumetrically, they do not represent the true situation of non-uniform fracture closure.

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