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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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wastewater treatment system diagrams
Fracturing fluids including amine oxides as flowback aids
Fracturing fluids including amine oxides as flowback aids

An aqueous ,fracturing fluid, comprises an environmentally friendly ,flowback, aid. The ,flowback, aid includes an amine oxide having the ,formula, (CH3)NO(R1)(R2), where R1 and R2 are independently selected from linear or branched alkyl groups having from 8 to 16 carbon atoms. Optionally, the ,fracturing fluid, may further comprise an alcohol ethoxylate of the ,formula, R3—(OC2H4)x—OH, wherein …

Fracturing fluids including amine oxides as flowback aids
Fracturing fluids including amine oxides as flowback aids

An aqueous ,fracturing fluid, comprises an environmentally friendly ,flowback, aid. The ,flowback, aid includes an amine oxide having the ,formula, (CH3)NO(R1)(R2), where R1 and R2 are independently selected from linear or branched alkyl groups having from 8 to 16 carbon atoms. Optionally, the ,fracturing fluid, may further comprise an alcohol ethoxylate of the ,formula, R3—(OC2H4)x—OH, wherein …

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 …

Study on the Mechanism of Nanoemulsion Removal of Water ...
Study on the Mechanism of Nanoemulsion Removal of Water ...

With the increase of the concentration of the nano-emulsion in the gel-breaking ,fracturing fluid,, the ,flowback rate, of the gel-breaking ,fluid, in the sand filling pipe gradually increased, and when the concentration of the nanoemulsion is 0.5 wt %, the ,flowback rate, of the gel breaking ,fluid, …

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

A method comprising: introducing a fracturing fluid through a wellbore into the subterranean formation, wherein the fracturing fluid comprises: polyethylene oxide 2-ethylhexyl ether according to the formula: wherein ‘n’ is a value from within a range of from 1 to 50, and wherein the, fracturing, fluid, has, a contact angle of, greater than or equal to 80 degrees, and a surface tension, less than about, 35 mN/m; …

Fracture Characterization Using Flowback Water Transients ...
Fracture Characterization Using Flowback Water Transients ...

Main hydraulic fracture (1) where ρ l stands for ,fracturing fluid, density (g/cm 3), φ F represents the porosity of F (nondimensional), S l F represents the water/gas saturation in F (nondimensional), q l FW represents the ,fluid flowback rate, from F to the horizontal wellbore (g/cm 3 ·s), and ν l F represents the water/gas transport velocity (cm/s), which can be defined as (2) where k F stands for the permeability …

Study of a low-damage efficient-imbibition fracturing ...
Study of a low-damage efficient-imbibition fracturing ...

Study of a low-damage efficient-imbibition ,fracturing fluid, without ,flowback, used for low-pressure tight reservoirs. January 2021; Energy 222(1):119941; DOI: 10.1016/j.energy.2021.119941.

US20130180723A1 - Fracturing fluids including amine oxides ...
US20130180723A1 - Fracturing fluids including amine oxides ...

An aqueous ,fracturing fluid, comprises an environmentally friendly ,flowback, aid. The ,flowback, aid includes an amine oxide having the ,formula, (CH 3 )NO(R 1 )(R 2 ), where R 1 and R 2 are independently selected from linear or branched alkyl groups having from 8 to 16 carbon atoms. Optionally, the ,fracturing fluid, may further comprise an alcohol ethoxylate of the ,formula, R 3 —(OC 2 H 4 ) x —OH ...

Fracturing Fluid | Scientific.Net
Fracturing Fluid | Scientific.Net

The optimal formula of the formed fracturing fluid is: 0.4% thickening agent +0.15% pH adjusting agent +0.25% crosslinking agent +0.1% discharge aiding agent. Under the conditions of 170s -1 and 150°C, it has tested its temperature resistance and shear resistance properties, and the final viscosity after shearing for 2h was 147.6 mPa.s.

Fracturing Fluid Components - IntechOpen
Fracturing Fluid Components - IntechOpen

They are added to reduce the friction generated as the ,fluid, is pumped down the well tubulars. FR’s are typically added to the frac ,fluid, at a concentration of 0.25 to 2 gal/1000 gal. Figure 1 shows a comparison of the friction when pumping water, FR “Slickwater” and Guar “Waterfrac”.

Water absorption characteristics of gas shale and the ...
Water absorption characteristics of gas shale and the ...

Water absorption characteristics of gas shale and the ,fracturing fluid flowback, capacity: Gao Shusheng, Hu Zhiming, Guo Wei, Zuo Luo, Shen Rui: 1.College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China; 2.Langfang Branch Research Institute of Petroleum Exploration and Development, PetroChina, Langfang, Hebei 065007, China

Fracture Characterization Using Flowback Water Transients ...
Fracture Characterization Using Flowback Water Transients ...

In the process of, fracturing fluid flowback,, water flows into the horizontal wellbore from F under the hydraulic pressure difference. Hydraulic, osmotic, and capillary forces induce water flow between f and m, while only osmotic pressure is not considered in the flow of water between F and f.

Optimization on fracturing fluid flowback model after ...
Optimization on fracturing fluid flowback model after ...

The influence of flowback flowrate and fracturing fluid viscosity on the volume of proppant reflux was analyzed (Li et al., 2015), it is shown that the optimal flowback flowrate was, 100 L/min, and the optimal flowback time was when the, fracturing fluid's, viscosity, reduced to 5 mPa s.

Study on the Mechanism of Nanoemulsion Removal of Water ...
Study on the Mechanism of Nanoemulsion Removal of Water ...

With the increase of the concentration of the nano-emulsion in the gel-breaking fracturing fluid, the flowback rate of the gel-breaking fluid in the sand filling pipe gradually increased, and when the concentration of the nanoemulsion is 0.5 wt %, the flowback …

Surfactant Analysis in Hydraulic Fracturing Flowback ...
Surfactant Analysis in Hydraulic Fracturing Flowback ...

Hydraulic ,Fracturing, Technique • Hydraulical ,fracturing, or fracking is a technique that consists of pumping water into a wellbore to create small fractures into which fluids can migrate and leave openings to release trapped gas • Fracking facilitates the extraction of natural gas from shale plays in which it is unreachable with

WO2014110058A1 - Fracturing fluids including amine oxides ...
WO2014110058A1 - Fracturing fluids including amine oxides ...

An aqueous ,fracturing fluid, comprises an environmentally friendly ,flowback, aid. The ,flowback, aid includes an amine oxide having the ,formula, (CH 3 )NO(R 1 )(R 2 ), where R 1 and R 2 are independently selected from linear or branched alkyl groups having from 8 to 16 carbon atoms. Optionally, the ,fracturing fluid, may further comprise an alcohol ethoxylate of the ,formula, R 3 -(OC 2 H 4 )x-OH ...

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