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Acidic wastewater containing low concentration of copper and zinc ions

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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Acidic wastewater containing low concentration of copper and zinc ions
Research and Application of an Environmental-Friendly Low ...
Research and Application of an Environmental-Friendly Low ...

Now, a nano-composite green environmental protec- tion slick water ,fracturing fluid, CQFR can be quickly dissolved bsystem e- cause of the larger specific surface area, and the small molecular size ...

Stable Dispersion of Coal Fines during Hydraulic ...
Stable Dispersion of Coal Fines during Hydraulic ...

One fundamental way to control the released fines is to chemically modify the ,fracturing fluid, by optimizing the pH and salinity, as well as adding a chemical additive as a dispersant. Accordingly, the dispersants are injected along with the hydraulic ,fracturing, (HF) ,fluid, in order to disperse and produce the released coal fines.

Electrodialysis Applications in Wastewater Treatment for ...
Electrodialysis Applications in Wastewater Treatment for ...

This paper presents a comprehensive review of studies on electrodialysis (ED) applications in wastewater ,treatment,, outlining the current status and the future prospect. ED is a membrane process of separation under the action of an electric field, where ions are selectively …

Scale problems in production - PetroWiki
Scale problems in production - PetroWiki

15/1/2018, · The onset of water production coinciding with simultaneous reduction in oil production is a sign of potential scale problems. It is quite possible, particularly with gas wells, to produce water below the limit of detection of surface analysis (nominally 1 or 2%).

CN104724860A - Fracturing flow-back fluid treatment method ...
CN104724860A - Fracturing flow-back fluid treatment method ...

The invention discloses a ,fracturing flow-back fluid treatment, method. The ,treatment, method comprises the following steps: pretreating: adding a certain amount of flocculant and emulsion breaker in the ,flow-back fluid, to perform flocculation oil removing, and filtering; oxidizing: adding a certain amount of oxidant in the pre-treated effluent to perform the oxidation ,treatment,; flocculating ...

The Defining Series: Well Cementing Fundamentals ...
The Defining Series: Well Cementing Fundamentals ...

Therefore, engineers employ ,chemical, and ,physical, means to maintain ,fluid, separation. ,Chemical, washes and spacer fluids may be pumped after the drilling ,fluid, and before the cement slurry. These fluids have the added benefit of cleaning the casing and formation surfaces, which helps achieve good cement bonding.

Spatial and Temporal Correlation of Water Quality ...
Spatial and Temporal Correlation of Water Quality ...

1/3/2013, · Chemical characterization in hydraulic ,fracturing flowback, and produced water (HF-FPW) of shale gas in Sichuan of China. Environmental Science and Pollution Research 2020, 27 (21) , 26532-26542. https://doi.org/10.1007/s11356-020-08670-y; Sakineh …

i-Handbook | Schlumberger
i-Handbook | Schlumberger

Tubing and casing data tables can be expanded so you can see additional ,physical properties,. You can send data entered in any calculator or a particular wellbore to your team. Correct information is exchanged fast. Interactive design saves time

Hydraulic Fracturing and Water Supply Protection— Federal ...
Hydraulic Fracturing and Water Supply Protection— Federal ...

hydraulic ,fracturing,, or “fracing.”4 This has led to a groundswell of new and proposed federal statutory and administrative enactments from a number of different, and in many cases surprising, sources. Not surprisingly, the oil and gas industry and states are objecting loudly to this regulatory power grab.

Toward better hydraulic fracturing fluids and their ...
Toward better hydraulic fracturing fluids and their ...

1/2/2019, · The most critical component of the impoundment is the, liner system, which protects the surrounding soil from the contained liquid. Impoundments with double, liner systems, are recommended for flowback fluid and wastewater to ensure environmental protection.

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).

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 …

(PDF) The governance of hydraulic fracturing in ...
(PDF) The governance of hydraulic fracturing in ...

Hydraulic ,fracturing, is a process applied for the exploitation of certain hydrocarbon and geothermal resources, to increase the ,fluid, conductivity to a production well. The process entails environmental risks that are managed under specific

HBP Aged Oil Treatment
HBP Aged Oil Treatment

By investigation and detailed test, HBP developed the aged oil ,treatment, technology based on the centrifugal separation. ,Treatment, scale: 3t/h~10t/h ; HBP will adopt different ,treatment, process according to the property of aged oil, and carry out the ,resource, docking according to the actual conditions in the operation site, and select corresponding HBP ,treatment, process according to our …

CN104724860A - Fracturing flow-back fluid treatment method ...
CN104724860A - Fracturing flow-back fluid treatment method ...

The invention discloses a ,fracturing flow-back fluid treatment, method. The ,treatment, method comprises the following steps: pretreating: adding a certain amount of flocculant and emulsion breaker in the ,flow-back fluid, to perform flocculation oil removing, and filtering; oxidizing: adding a certain amount of oxidant in the pre-treated effluent to perform the oxidation ,treatment,; flocculating ...

The isolation and partial characterization of ...
The isolation and partial characterization of ...

Zero ,Flowback, Rate of Hydraulic ,Fracturing Fluid, in Shale Gas Reservoirs: Concept, Feasibility, ... Kinetic ,properties, and essential amino acids of the 2,3-bisphosphoglycerate synthase-phosphatase from pig skeletal muscle. ... A comparison of some of the ,physical and chemical properties, of the phosphocylycerate mutases from human erythrocytes.

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