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Reuse of acid wastewater from nonferrous metal mines

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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Reuse of acid wastewater from nonferrous metal mines
Remediation of Hydraulic Fracturing Flowback Fluids by ...
Remediation of Hydraulic Fracturing Flowback Fluids by ...

UPP-S3 (no chemical additions) ,flowback fluid, was first vigorously shaken to re- suspend precipitate and make a homogeneous mixture for sampling. 200mL of the ,fluid, was added into each of nine 250mL bottles. Additions of either H 3PO 4 or H 2SO 4 were to induce the formation of sulfate or APS (aluminum phosphate sulfate) mineral phases AB 3(XO ...

Processing and Recycling of Waste Flowback Fracturing ...
Processing and Recycling of Waste Flowback Fracturing ...

Hydraulic ,fracturing, is extensively used in the petroleum industry to enhance well productivity. However, the discharge of ,flowback fracturing, fluids after ,fracturing, brings out significant environmental challenges. ,Flowback, fluids usually contain poisonous additives, which may cause deaths of plants and animals if discharged directly to the ground.

Unconventional Fracturing Fluids: What Where and Why
Unconventional Fracturing Fluids: What Where and Why

Fluid, Retention The major cause of productivity impairment in gas wells during drilling, completion and ,fracturing, or workover operations is ,fluid, retention effects. These can include the permanent retention of water or hydrocarbon based fluids or the trapping of hydrocarbon condensate

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 …

Fracturing fluids and additives - PetroWiki
Fracturing fluids and additives - PetroWiki

16/4/2020, · Thus, the ,fracturing,-,fluid properties, are very important in the creation and propagation of the fracture. ,Properties, of a ,fracturing fluid,. The ideal ,fracturing fluid, should: Be able to transport the propping agent in the fracture; Be compatible with the formation rock and ,fluid,; Generate enough pressure drop along the fracture to create a wide ...

ClearFRAC | Polymer-Free Fracturing Fluids | Schlumberger
ClearFRAC | Polymer-Free Fracturing Fluids | Schlumberger

Designed for CO2 foam ,fracturing, treatments. ,ClearFRAC polymer-free fracturing, fluids were developed specifically for wells requiring the added ,flowback, energy and hydrostatic benefits of hydraulic sandstone with liquid CO 2.. The ,fluid, was designed to be CO 2-compatible, specifically addressing the technical aspects of creating a stable foam with supercritical CO 2.

Hydraulic fracturing - Wikipedia
Hydraulic fracturing - Wikipedia

The main purposes of fracturing fluid are to extend fractures, add lubrication, change gel strength, and to carry proppant into the formation. There are two methods of transporting proppant in the fluid – high-rate and high-viscosity.

Analysis of Hydraulic Fracturing Flowback and Produced ...
Analysis of Hydraulic Fracturing Flowback and Produced ...

Investigation on the interfacial ,properties, of a viscoelastic-based surfactant as an oil displacement agent recovered from ,fracturing flowback fluid,. RSC Advances 2016, 6 (44) , 38437-38446. DOI: 10.1039/C6RA03530B.

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 ...

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. Therefore, numerous studies have focused on increasing the ,flowback, rate of HFF in shale gas reservoirs to mitigate the water blocking damage. Yet, only a small portion of the injected ...

Processing and Recycling of Waste Flowback Fracturing ...
Processing and Recycling of Waste Flowback Fracturing ...

Hydraulic fracturing is extensively used in the petroleum industry to enhance well productivity. However, the discharge of flowback fracturing fluids after fracturing brings out significant environmental challenges. Flowback fluids usually contain poisonous additives, which may cause deaths of plants and animals if discharged directly to the ground.

ClearFRAC | Polymer-Free Fracturing Fluids | Schlumberger
ClearFRAC | Polymer-Free Fracturing Fluids | Schlumberger

Designed for CO2 foam ,fracturing, treatments. ,ClearFRAC polymer-free fracturing, fluids were developed specifically for wells requiring the added ,flowback, energy and hydrostatic benefits of hydraulic sandstone with liquid CO 2.. The ,fluid, was designed to be CO 2-compatible, specifically addressing the technical aspects of creating a stable foam with supercritical CO 2.

Can Produced Or Flowback Water Be Reused As Fracturing Fluid?
Can Produced Or Flowback Water Be Reused As Fracturing Fluid?

At the time of writing, several ,fluid, tests and permeability regain analysis have been performed successfully using produced water. The system should address many of the issues that multizone ,fracturing, has presented and eventually could result in: Availability at the well site of a produced or ,flowback, water treatment system for reuse;

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

Our fabrication process enables a wide range of geometries and pore networks to be replicated with precision to sub-50 nm pore size. To capture the surface ,properties, of the reservoir. material, system wettability is modified in 10° contact angle increments to achieve oil …

Fracking Explained | oilandgasinfo.ca
Fracking Explained | oilandgasinfo.ca

The carefully recovered flowback fluid is either reused for another well or disposed in government-approved facilities. Operators must track flowback fluid volumes and report them to regulators. Frac Fluid. The choice of frac fluid is dependent on reservoir properties, cost and availability. The frac fluid used during the fracking process consists of: A base fluid: most commonly water, but can also be …

Hydraulic Fracturing Return Fluids from Offshore ...
Hydraulic Fracturing Return Fluids from Offshore ...

Seawater is often used as a base ,fluid, to make hydraulic ,fracturing, fluids in offshore HF operations, whereas freshwater is most commonly used in terrestrial HF wells. The injected chemical additives (e.g., stabilizers) therefore also differ due to the use of seawater-based hydraulic ,fracturing, fluids as well as other constraints specific to offshore platforms.

Unconventional Fracturing Fluids: What Where and Why
Unconventional Fracturing Fluids: What Where and Why

Fluid, Retention The major cause of productivity impairment in gas wells during drilling, completion and ,fracturing, or workover operations is ,fluid, retention effects. These can include the permanent retention of water or hydrocarbon based fluids or the trapping of hydrocarbon condensate

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