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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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samples of hydraulic ,fracturing flowback fluid, from the Utica/Point Pleasant formations in Ohio to analyze how different additives of acids and bases could influence precipitation and sequester trace metals. ,Flowback, fluids were treated with sulfuric acid (H2SO4), phosphoric acid (H3PO4), hydrochloric acid (HCl), and sodium carbonate (Na2CO3

EXPERIMENTAL INVESTIGATION OF SHALE GAS PRODUCTION ...
EXPERIMENTAL INVESTIGATION OF SHALE GAS PRODUCTION ...

Pressurized hydraulic ,fracturing fluid, is injected to propagate the fractures and the production is blasted out from the reservoirs. However, in some cases the recovery of hydraulic ,fracturing fluid, during ,flow back, is very low. For example, the ,fracturing, water recovery in the Haynesville is less than 10%.

2021 Hydraulic Fracturing Technology Showcase
2021 Hydraulic Fracturing Technology Showcase

To reduce ,fluid, loss encountered during the hydraulic ,fracturing, process, NatureWorks has released a new polylactic acid (PLA)-based degradable polymer called Ingeo DH1900 for downhole applications. Ingeo DH1900 can be pumped downhole as fine, discrete particles that quickly change into a thick, degradable material at the targeted site.

Source Testing of Fugitive and Vented Emissions from ...
Source Testing of Fugitive and Vented Emissions from ...

• Hydraulic ,fracturing, is a process of injecting water, chemicals, and proppants (also known as ,fracturing fluid,) at high pressures into an oil or natural gas reservoir in order to enhance well production. Typically, multiple zones are hydraulically fractured in a well in order to expand the production surface area.

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

A ,flowback, aid may be included in the ,fracturing fluid, to reduce capillary pressure and water blocks, thereby improving the kinetics of the ,flowback, and preventing or minimizing the leaving-behind of any substantial amount of the ,fracturing fluid,. ,Flowback, aids, such as surfactants, have also been shown to aid in the “clean-up” of the ...

Main controlling factors of fracturing fluid imbibition in ...
Main controlling factors of fracturing fluid imbibition in ...

The dimensionless fracture width is the ratio of the fracture width to the rock length, which is inversely proportional to the flowback efficiency. Smaller value of the dimensionless fracture width corresponds to larger contact area of fracturing fluid and shale, leading to a lower flowback efficiency.

Analysis of Cations in Hydraulic Fracturing Flowback Water ...
Analysis of Cations in Hydraulic Fracturing Flowback Water ...

Technical and Application Notes • TN 138: Accurate and Precise Automated Dilution and In-line Conductivity ,Measurement, Using the AS-AP Autosampler Prior to Analysis by Ion Chromatography • TN 139: Determination of Anions in Fracking ,Flowback, Water From the Marcellus Shale Using Automated Dilution and Ion Chromatography • AN 1094: Determination of ,Cations in Hydraulic Fracturing Flowback, ...

Study on the reutilization of clear fracturing flowback ...
Study on the reutilization of clear fracturing flowback ...

19/11/2014, · Zhanqing Qu et al. proposed reutilization of guar based ,fracturing fluid, in ,fracturing, process by adjusting pH value of ,flowback, fluids . The viscosities of initial and reusing system being sheared for 90 min are 200 mPa·s −1 and 85 mPa·s −1 , respectively, which are both suitable for ,fracturing,.

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

Different HVHF conditions and ,fracturing fluid, compositions generated a fouling index for ,flowback, water ranging from 0.1 to 2000 m −1, with these values well correlated with the peak molecular weight (MW) (ranging from 10 to 1.5 × 10 4 kDa) and the concentration of high MW components in the water.

Bacterial communities associated with hydraulic fracturing ...
Bacterial communities associated with hydraulic fracturing ...

The goals of this work were to (i) compare the number of heterotrophic bacteria, acid-producing bacteria, and sulfate-reducing bacteria in frac and ,flowback, water samples using most probable number (MPN) dilutions to assess the performance of biocide treatments at these sites, (ii) compare the geochemistry of the ,fracturing, and ,flowback, fluids at the two sites to assess the impacts of the ,fracturing, process …

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 …

Flow Measurement of Well Flowback Fluids | FLEXIM
Flow Measurement of Well Flowback Fluids | FLEXIM

Industry Solutions, Oil & Gas, Onshore / Shale Oil & Gas Solutions, Flow ,Measurement, of Well ,Flowback, Fluids

EXPERIMENTAL INVESTIGATION OF SHALE GAS PRODUCTION ...
EXPERIMENTAL INVESTIGATION OF SHALE GAS PRODUCTION ...

Pressurized hydraulic ,fracturing fluid, is injected to propagate the fractures and the production is blasted out from the reservoirs. However, in some cases the recovery of hydraulic ,fracturing fluid, during ,flow back, is very low. For example, the ,fracturing, water recovery in the Haynesville is less than 10%.

Main controlling factors of fracturing fluid imbibition in ...
Main controlling factors of fracturing fluid imbibition in ...

The dimensionless fracture width is the ratio of the fracture width to the rock length, which is inversely proportional to the flowback efficiency. Smaller value of the dimensionless fracture width corresponds to larger contact area of fracturing fluid and shale, leading to a lower flowback efficiency.

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

1/11/2015, · According to the water characteristics of fracturing flowback fluid and requirements of field reutilization, a fracturing flowback fluid treatment unit was developed, with the main treatment process of, “coagulation and precipitation, sludge dewatering, and filtration and disinfection”, , .

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