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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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waste disposal problems
POLYACRYLAMIDE SLURRY FOR FRACTURING FLUIDS - PfP ...
POLYACRYLAMIDE SLURRY FOR FRACTURING FLUIDS - PfP ...

7. A composition for ,treatment, of subterranean well formations comprising a carrier ,fluid, including the slurry of claim 1 and a water source selected from the group consisting of fresh water, brackish water, salt water, sea water, produced water, ,flowback, water, or combinations thereof. 8.

frac flowback water reclamation/treatment/ph in india ...
frac flowback water reclamation/treatment/ph in india ...

Characterization of hydraulic ,fracturing flowback, water The same solar simulator and exposure times were used during photo-Fenton experiments, by adjusting the pH of the ,flowback, water to 3 and adding H 2 O 2 at 500 mg/L (using indigenous iron (ca. 80 mg/L) and Fe:H 2 …

Mechanical degradation of polyacrylamide at ultra high ...
Mechanical degradation of polyacrylamide at ultra high ...

Mechanical degradation of polyacrylamide at, ultra high ,deformation rates during hydraulic fracturing,†. Boya Xiong ae, Prakash Purswani d, Taylor Pawlik c, Laxmicharan Samineni c, Zuleima T. Karpyn d, Andrew L. Zydney * c and Manish Kumar * bc a Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, USA.

Chemical Degradation of Polyacrylamide during Hydraulic ...
Chemical Degradation of Polyacrylamide during Hydraulic ...

Chemical Degradation ,of Polyacrylamide, during Hydraulic ,Fracturing, Boya Xiong , Zachary Miller, Selina Roman-White, Travis Tasker, Benjamin Farina, Bethany Piechowicz, William D. Burgos, Prachi Joshi, Liang Zhu, Christopher A. Gorski, Andrew L. Zydney, Manish Kumar

Polyacrylamide in hydraulic fracturing fluid causes severe ...
Polyacrylamide in hydraulic fracturing fluid causes severe ...

Polyacrylamide, in hydraulic ,fracturing fluid, causes severe membrane fouling during ,flowback, water ,treatment, Author: Xiong, Boya, ... ammonium persulfate, artificial membranes, fouling, hydraulic ,fracturing,, microfiltration, molecular weight, ,polyacrylamide,, shale, wastewater, wastewater ,treatment, …

FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...
FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...

5. The aqueous ,fracturing fluid, of claim 3, wherein the concentration of the polyethylene oxide 2-ethylhexyl ether in the ,fracturing fluid, is between about 0.15 and about 0.25 percent by weight. 6. The aqueous ,fracturing fluid, of claim 1, wherein the ,fracturing fluid, has a contact angle of greater than or equal to 80 degrees. 7.

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

20/1/2021, · 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 potential safety risks and requires high costs.

Chemical Degradation of Polyacrylamide during Hydraulic ...
Chemical Degradation of Polyacrylamide during Hydraulic ...

Polyacrylamide, (PAM) based friction reducers are a primary ingredient of slickwater hydraulic ,fracturing, fluids. Little is known regarding the fate of these polymers under downhole conditions, which could have important environmental impacts including strategies for reuse or ,treatment, of ,flowback, water. The objective of this study was to evaluate the chemical degradation of high molecular ...

fracturing fluid polyacrylamide - Aladine
fracturing fluid polyacrylamide - Aladine

Polyacrylamide, in hydraulic ,fracturing fluid, causes severe. 2.2. Synthetic ,flowback, water. Synthetic ,flowback, water was obtained by reacting the synthetic ,fracturing fluid, with 25 g/L shale at 80 ℃ and 83 bar for 24 h simulating downhole conditions encountered in natural gas reservoirs.

FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...
FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...

5. The aqueous ,fracturing fluid, of claim 3, wherein the concentration of the polyethylene oxide 2-ethylhexyl ether in the ,fracturing fluid, is between about 0.15 and about 0.25 percent by weight. 6. The aqueous ,fracturing fluid, of claim 1, wherein the ,fracturing fluid, has a contact angle of greater than or equal to 80 degrees. 7.

Fracturing Fluid Components - IntechOpen
Fracturing Fluid Components - IntechOpen

to design a ,fracturing treatment,. 1. Introduction 1.1. Water The water used for hydraulic ,fracturing, is a critical component of the ,fluid,. It must be carefully quality controlled as describe in the Quality Control Chapter. Typically the wa‐ ter is filtered to 50μ (microns) for propped ,fracturing, …

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

During hydraulic ,fracturing,, up to four million gallons of water-based ,fluid, could be injected into a single drilled well to both initiate and expand fractures, and act as proppant transport (i.e., sand or ceramic materials), of which 10–70% is subsequently recovered as ,flowback, (Lester et al. 2015).

Polyacrylamide degradation and its implications in ...
Polyacrylamide degradation and its implications in ...

7/9/2018, · ,Treatment of polyacrylamide, containing ... active filtration for ,fracturing flowback, and produced water ,treatment,. J. ... damage to natural fractures caused by ,fracturing fluid, ...

Extracting crude oil and natural gas
Extracting crude oil and natural gas

percentages of additives used for hydraulic ,fracturing treatment, over multiple oil and gas plays. The make‐up of a ,fracturing fluid, varies to meet the specific needs of each area. The ,flowback, liquid contains water and contaminants, including the additives, but also radioactive material and heavy metals, hydrocarbons and other toxins.

Dry Friction Reducer | Schlumberger
Dry Friction Reducer | Schlumberger

Improve ,fracturing, operations, logistics, and HSE footprint. ,Schlumberger dry friction reducer, lowers polymer loading requirements for equivalent or better ,fracturing, performance as compared with conventional liquid friction reducers (FR) in slickwater applications.

Chemical Degradation of Polyacrylamide during Hydraulic ...
Chemical Degradation of Polyacrylamide during Hydraulic ...

Polyacrylamide, (PAM) based friction reducers are a primary ingredient of slickwater hydraulic ,fracturing, fluids. Little is known regarding the fate of these polymers under downhole conditions, which could have important environmental impacts including strategies for reuse or ,treatment, of ,flowback, water. The objective of this study was to evaluate the chemical degradation of high molecular ...

Characterization of Marcellus Shale Flowback Water ...
Characterization of Marcellus Shale Flowback Water ...

1/9/2014, · ,Polyacrylamide, in hydraulic ,fracturing fluid, causes severe membrane fouling during ,flowback, water ,treatment,. Journal of Membrane Science, Vol. 560. Mineralogy controls on reactive transport of Marcellus Shale waters. Science of The Total Environment, Vol. 630.

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

16/4/2020, · The ,fluid, density affects the surface injection pressure and the ability of the ,fluid, to ,flow back, after the ,treatment,. Water-based fluids generally have densities near 8.4 ppg. Oil-base ,fluid, densities will be 70 to 80% of the densities of water-based fluids. Foam-,fluid, densities can be substantially less than those of water-based fluids.

Chemical Degradation of Polyacrylamide during Hydraulic ...
Chemical Degradation of Polyacrylamide during Hydraulic ...

Chemical Degradation ,of Polyacrylamide, during Hydraulic ,Fracturing, Boya Xiong , Zachary Miller, Selina Roman-White, Travis Tasker, Benjamin Farina, Bethany Piechowicz, William D. Burgos, Prachi Joshi, Liang Zhu, Christopher A. Gorski, Andrew L. Zydney, Manish Kumar

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

Polyacrylamide,‐based ,fracturing fluid, is commonly used in shale ,fracturing,. ,Polyacrylamide, (PAM) becomes adsorbed in the shale micro‐fractures, decreasing the permeability of the reservoir. For improving the production of shale after being stimulated, the adsorption behavior and adsorption mechanism between the PAM and shale are studied.

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