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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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Oil Change and Emissions Near me
Minerals - GOV.UK
Minerals - GOV.UK

The ,flowback, water also may contain salts and other dissolved ,minerals, from the shale rock formation. Estimates vary on what percentage of the hydraulic ,fracturing fluid, returns to the surface ...

Frac Water Reuse - Chemical Engineering | Page 1
Frac Water Reuse - Chemical Engineering | Page 1

A typical flow profile could be the following: the ,flowback rate, over the first 1 to 5 days after ,fracturing, is around 100 to 150 bbl/h, and recovers 10–25% of the initially injected water; then over the next 10 days, the ,rate, decreases to 20 to 60 bbl/h and recovers another 8 to 12%.

Microbial communities in flowback water impoundments from ...
Microbial communities in flowback water impoundments from ...

After hydraulic ,fracturing,, the pumping pressure is decreased, and ,fluid, in the formation returns to the surface through the well casing (GWPC & ALL Consulting, 2009; Gregory et al ., 2011 ). This water is referred to as ‘,flowback,’, and the period of ,flowback, is variable but commonly lasts 2 weeks.

Study on Fluid-Rock Interaction and Reuse of Flowback ...
Study on Fluid-Rock Interaction and Reuse of Flowback ...

Comparing to the original fracturing fluid whose density was 1.30 g/cc, the density of the flowback fluid decreased with time, indicating the loss of weighting agent into the formation. When the flowback fluid is reused, additional weighting agent might be needed depending on the fracturing job; however, the dosage can be less than the case using the fresh water.

Study on Fluid-Rock Interaction and Reuse of Flowback ...
Study on Fluid-Rock Interaction and Reuse of Flowback ...

Comparing to the original ,fracturing fluid, whose density was 1.30 g/cc, the density of the ,flowback fluid, decreased with time, indicating the loss of weighting agent into the formation. When the ,flowback fluid, is reused, additional weighting agent might be needed depending on the ,fracturing, job; however, the dosage can be less than the case using the fresh water.

Research and Application of an Environmental-Friendly Low ...
Research and Application of an Environmental-Friendly Low ...

In the process of using fracturing fluid to reform the reservoir, the fracturing fluid as the working fluid will directly contact the reservoir and cannot be completely returned after the reconstruction, so when the fracturing fluid stays in the reservoir, it will caused damage of the reservoir, which by causes the migration or expansion of the clay mineral, eventually blocking the pore throat reducing the …

Probing the Influence of Reactions between Fracture Fluids ...
Probing the Influence of Reactions between Fracture Fluids ...

29/7/2013, · ,fracturing fluid,. Ba and Th are elevated in the control experiments. Values in the table represent the ratio of concentration in the experiment with ,fracturing fluid, to concentration in the control at ~15 d. “FF-only” inducates that the element only was detected in the sample from the experiment with ,fracturing fluid,.

Influence of downhole conditions on the leakoff properties ...
Influence of downhole conditions on the leakoff properties ...

OSTI.GOV Journal Article: ,Influence, of downhole conditions on the leakoff properties ,of fracturing, fluids

Biomineralization of hypersaline produced water using ...
Biomineralization of hypersaline produced water using ...

15/2/2021, · 1. Introduction. The success in shale oil and gas extraction has significant economic impacts for the United States. Still, there is an increasing public concern about the large quantities of produced water (PW) generated during the hydraulic ,fracturing, process and oil and gas production (Kondash and Vengosh, 2015; Scanlon et al., 2020).

Downhole Transformation of the Hydraulic Fracturing Fluid ...
Downhole Transformation of the Hydraulic Fracturing Fluid ...

Hydraulic ,fracturing fluid, (HFF) additives are used to enhance oil and gas extraction from unconventional shale formations. Several kilometers downhole, these organic chemicals are exposed to temperatures up to 200 °C, pressures above 10 MPa, high salinities, and a pH range from 5–8.

Evaluating Fracture-Fluid Flowback in Marcellus Using Data ...
Evaluating Fracture-Fluid Flowback in Marcellus Using Data ...

Fracture-,fluid flowback, is defined herein as aqueous phase produced within 3 weeks following a fracture treatment (exclusive of well shut-in time). Field data from Marcellus shale wells in northeastern West Virginia indicated approximately 2 to 26% of the fracture ,fluid, is recovered during ,flowback,.

Pore-Scale Modeling of Spontaneous Imbibition Behavior in ...
Pore-Scale Modeling of Spontaneous Imbibition Behavior in ...

Spontaneous imbibition of fracturing fluid into shale matrix is one of the primary reasons for the low flowback rate in shale gas wells after the hydraulic fracturing. This leads to concerns of impacts on both environment and shale gas production.

Annual Report (10-k) - Investors Hub
Annual Report (10-k) - Investors Hub

As a result of the 2017 Tax Cuts and Jobs Act (the “TCJA”), for tax years beginning after December 31, 2017 and before January 1, 2026, the highest marginal U.S. federal income tax ,rate, applicable to ordinary income of individuals is 37%, and the highest marginal U.S. federal income tax ,rate, applicable to

Influence of reservoir shale physical properties on the ...
Influence of reservoir shale physical properties on the ...

The flowback rate of hydraulic fracturing in shale gas wells is low. During fracturing and blowout, large amount of fracturing fluid enters the pores of shale matrix from the fracture end face under the action of capillary force and chemical osmosis.

Environmental impact of hydraulic fracturing - Wikipedia
Environmental impact of hydraulic fracturing - Wikipedia

Recycled flowback water can be reused in hydraulic fracturing. It lowers the total amount of water used and reduces the need to dispose of wastewater after use. The technique is relatively expensive, however, since the water must be treated before each reuse and it can shorten the life of some types of equipment.

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

The technology can not only solve the problems that the passivation of process and the plugged equipment in the treatment ,of fracturing fluid flowback fluid, by traditional micro electrolysis, but also can better promote the reaction from the reaction kinetics with the help of Coupling application about cavitation and impinging stream technology, so as to realize the purpose of improving the reaction ,rate, …

Frac Water Reuse - Chemical Engineering | Page 1
Frac Water Reuse - Chemical Engineering | Page 1

A typical flow profile could be the following: the ,flowback rate, over the first 1 to 5 days after ,fracturing, is around 100 to 150 bbl/h, and recovers 10–25% of the initially injected water; then over the next 10 days, the ,rate, decreases to 20 to 60 bbl/h and recovers another 8 to 12%.

NAE Website - Microbial Ecology of Hydraulic Fracturing
NAE Website - Microbial Ecology of Hydraulic Fracturing

In terms of the quality of the fluid, the concentration of total dissolved solids (TDS, including salts and metals) in the water that returns to the surface varies over time; the earliest flowback (e.g., the first 2 days) resembles the hydraulic fracturing fluid itself and has the lowest concentration of TDS, while the later flowback (e.g., after day 10) and the produced water have much higher TDS, more like the …

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