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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 parts
Hydraulic fracturing offers view of microbial life in the ...
Hydraulic fracturing offers view of microbial life in the ...

Hydraulic ,fracturing flowback, waters at early time points (1–14 days post-,fracturing,) exhibit dramatic shifts in the microbial community (Fig. 4). After injection into the deep subsurface, fluids returning to the surface immediately show enrichment of different microbial taxa compared to input fluids, with dynamic taxa changes over the next 2 weeks.

Imbibition of hydraulic fracturing fluids into partially ...
Imbibition of hydraulic fracturing fluids into partially ...

Recent studies suggest that ,imbibition of hydraulic fracturing fluids into partially saturated, shale is an important mechanism that restricts their migration, thus reducing the risk of groundwater contamination. We present computations of imbibition based on an exact …

Membrane-based treatment of shale oil and gas wastewater ...
Membrane-based treatment of shale oil and gas wastewater ...

Xiong B Y, Roman-White S, Piechowicz B, Miller Z, Farina B, Tasker T, Burgos W, Zydney A L, Kumar M (2018). Polyacrylamide in hydraulic ,fracturing fluid, causes severe membrane fouling during ,flowback, water treatment. Journal of Membrane Science, 560: 125–131. Article CAS Google Scholar

Hydraulic Fracturing: Managing Biocide Demand in Mixed ...
Hydraulic Fracturing: Managing Biocide Demand in Mixed ...

Damage from biological fouling can be seen in the simulated displacement models illustrated in Figure 2, where blue illustrates the reservoir, red illustrates frac ,fluid, and ,gray, illustrates biological growth. The modeling work illustrates proppant displacement becomes less effective when foulant is present in the proppant material.

Hydraulic Fracturing Water Use and Propose Rule Changes
Hydraulic Fracturing Water Use and Propose Rule Changes

Dark Brown to greenish ,gray, Shale. High angle natural fractures along bedding planes between shale ... ,Fracturing Fluid,: 99.5% Water & Proppant . 0.5% Chemical Additives to Improve ... ,Fracturing, Operation . ,Flowback, Contained in Tanks .

The influencing factors of fracturing effects in low ...
The influencing factors of fracturing effects in low ...

Aimed at the influencing factors of gas wells ,fracturing, effects in Yanchang gas field,according to geology,,fracturing, and well test data in the Shan 2,through qualitative and grey correlation analysis method,this paper analyzed the influencing degree on open flow capacity of 25 fractured wells in Shan 2. The result shows that the major influencing factors on the ,fracturing, effects are ...

Water Treatment Key to Hydraulic Fracturing's Future | Rigzone
Water Treatment Key to Hydraulic Fracturing's Future | Rigzone

A single well hydrofracture in the Marcellus may require two million to five million gallons of ,fracturing fluid,, of which an average of 25 percent may be returned to the surface as ",flowback," or ...

Hydraulic fracturing offers view of microbial life in the ...
Hydraulic fracturing offers view of microbial life in the ...

Hydraulic ,fracturing flowback, waters at early time points (1–14 days post-,fracturing,) exhibit dramatic shifts in the microbial community (Fig. 4). After injection into the deep subsurface, fluids returning to the surface immediately show enrichment of different microbial taxa compared to input fluids, with dynamic taxa changes over the next 2 weeks.

What's the Fracking Problem? - Environment + Energy Leader
What's the Fracking Problem? - Environment + Energy Leader

Advances in ,flowback, treatment technology offer the promise of using ,flowback, for other purposes, rather than simply disposing of it. The use of filtration, reverse osmosis, decomposition in constructed wetlands, ion exchange and other technologies may eventually result in the widespread practice of using ,flowback, for such things as managed irrigation and land application.

What's the Fracking Problem? - Environment + Energy Leader
What's the Fracking Problem? - Environment + Energy Leader

Advances in ,flowback, treatment technology offer the promise of using ,flowback, for other purposes, rather than simply disposing of it. The use of filtration, reverse osmosis, decomposition in constructed wetlands, ion exchange and other technologies may eventually result in the widespread practice of using ,flowback, for such things as managed irrigation and land application.

Dr Dev Kambhampati | EPA Proceedings- Hydraulic Fracturing ...
Dr Dev Kambhampati | EPA Proceedings- Hydraulic Fracturing ...

4 2:55 pm Technical Presentation Session 2: Water Quantities used for Hydraulic ,Fracturing, and Sharing of Water Resources An Overview of Current and Projected Shale and Tight Gas Water Use in Texas: Implication for Local Water Resources, JP Nicot, The University of Texas at Austin Water Demand and Supply in the Eagle Ford Shale, Stephen Jester, ConocoPhillips Enabling ,Fracturing, Operations ...

Numerical Modeling of Gas and Water Flow in Shale Gas ...
Numerical Modeling of Gas and Water Flow in Shale Gas ...

42 fracture representation includes the dark gray propped inner region of the hydraulic fracture that 43 contributes to gas flow, and the light gray un-propped outer region of the hydraulic fracture that is 44 open during HF injection but closes afterward. The dashed orange box shows the …

Hydraulic Fracturing Water Use and Propose Rule Changes
Hydraulic Fracturing Water Use and Propose Rule Changes

Dark Brown to greenish ,gray, Shale. High angle natural fractures along bedding planes between shale ... ,Fracturing Fluid,: 99.5% Water & Proppant . 0.5% Chemical Additives to Improve ... ,Fracturing, Operation . ,Flowback, Contained in Tanks .

How Water Management for Shale Oil and Gas is Evolving
How Water Management for Shale Oil and Gas is Evolving

Hydraulic ,fracturing, to extract shale oil and gas requires large quantities of water and produces a sizeable amount of ,flowback,. Water ... in which a hydraulic ,fluid, is pumped down a well under pressure high enough to exceed the ... in the regulation and legislation of hydraulic ,fracturing,. ,Gray, …

Organic Pollutants in Shale Gas Flowback and Produced ...
Organic Pollutants in Shale Gas Flowback and Produced ...

The organic contaminants of shale gas FPW include compounds injected in the ,fracturing fluid,, compounds of the formation which are mobilized when being brought in contact with ,fracturing fluid,, and products of physicochemical and biological transformation of organic ,fracturing, chemicals. 32 It is anticipated that ,fracturing, chemicals dominate in early ,flowback,, whereas chemicals of formation ...

Water Treatment Key to Hydraulic Fracturing's Future | Rigzone
Water Treatment Key to Hydraulic Fracturing's Future | Rigzone

A single well hydrofracture in the Marcellus may require two million to five million gallons of ,fracturing fluid,, of which an average of 25 percent may be returned to the surface as ",flowback," or ...

National Human Health Risk Evaluation for Hydraulic ...
National Human Health Risk Evaluation for Hydraulic ...

5.2.2 Impact of Hydraulic ,Fracturing, on ,Fluid, Migration ... 7.2 ,Flowback Fluid, Constituents ... Figure 5.1 Locations of Basins with Microseismic Data (,gray, regions) in the US Figure 5.2 Observed Fracture Heights versus Hydraulic Fracture ,Fluid, Volume in (a) Log and (b)

Search strength: Fracturing fluids and additives | SPE
Search strength: Fracturing fluids and additives | SPE

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What's the Fracking Problem? - Environment + Energy Leader
What's the Fracking Problem? - Environment + Energy Leader

Advances in ,flowback, treatment technology offer the promise of using ,flowback, for other purposes, rather than simply disposing of it. The use of filtration, reverse osmosis, decomposition in constructed wetlands, ion exchange and other technologies may eventually result in the widespread practice of using ,flowback, for such things as managed irrigation and land application.

Hydraulic fracturing offers view of microbial life in the ...
Hydraulic fracturing offers view of microbial life in the ...

Hydraulic ,fracturing flowback, waters at early time points (1–14 days post-,fracturing,) exhibit dramatic shifts in the microbial community (Fig. 4). After injection into the deep subsurface, fluids returning to the surface immediately show enrichment of different microbial taxa compared to input fluids, with dynamic taxa changes over the next 2 weeks.

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