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Prevention and treatment of acid mine wastewater

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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Prevention and treatment of acid mine wastewater
International Journal of Oil Gas and Coal Technology ...
International Journal of Oil Gas and Coal Technology ...

Abstract: Hydraulic ,fracturing, is considered as an effective approach for the development of tight oil reservoirs. Unlike conventional reservoirs, after a large volume injection of the ,fracturing fluid,, the ,flowback rate, in tight oil reservoirs is considerably lower whereas the underlying mechanism explaining water retention remains unclear.

Oil and Gas Production Wastewater: Soil Contamination and ...
Oil and Gas Production Wastewater: Soil Contamination and ...

During oil and natural ,gas production,, so-called “produced water” comprises the largest byproduct stream. In addition, many oil and gas operations are augmented via injection of hydraulic ,fracturing, (HF) fluids into the formation. Both produced water and HF fluids may contain hundreds of individual chemicals, some known to be detrimental to public health and the environment. Oil ...

Study on a Nonionic Surfactant/Nanoparticle Composite ...
Study on a Nonionic Surfactant/Nanoparticle Composite ...

14/4/2021, · The incomplete ,flowback, of the ,fracturing fluid, causes great seepage resistance for hydrocarbon prodn. Adding cleanup additive composed of surfactant is an effective method to increase the ,flowback rate,, which is more closely related to the oil/water interfacial tension of the cleanup additive.

(PDF) Well Completion Design - Jonathan Bellarby | last ...
(PDF) Well Completion Design - Jonathan Bellarby | last ...

25 Full PDFs related to this paper. READ PAPER. Well Completion Design - Jonathan Bellarby

Directive 050 | Alberta Energy Regulator
Directive 050 | Alberta Energy Regulator

Note that the ERCB only allows AWSSs to be used to store cement returns and water-based hydraulic ,fracturing, fluids and ,flowback, fluids. For storage of cement returns, Section 7 of the 2012 edition of Directive 050 allows the liner of the AWSS to be 12 mil. Refer to Directive 055 – Addendum 2011-10-11 for more information about the use of AWSSs.

Removal of organic compounds from shale gas flowback water
Removal of organic compounds from shale gas flowback water

This mixture, called ,fracturing fluid,, creates fissures in the shale increasing its permeability and gas recovery. The mixture of the injected ,fracturing fluid, together with the connate water of the formation, which returns to the surface within few weeks after pressure being released, is called ,flowback, water (Olmstead et al., 2013).

Experimental Study of Fracturing Fluid Retention in Rough ...
Experimental Study of Fracturing Fluid Retention in Rough ...

Experimental Study ,of Fracturing Fluid, Retention in Rough Fractures Yanjun Zhang, Hongkui Ge, Guangyu Liu, Yinghao Shen, Hao Chen, Jianbo Wang, Dunqing Liu, Zehui Huang; Affiliations Yanjun Zhang State Key Laboratory of Petroleum Resources and Prospecting, China ...

The Open Petroleum Engineering Journal
The Open Petroleum Engineering Journal

the ,flowback rate, reaches as high as 20% of the total injection, ... High efficiency gel breaker is introduced to reduce the carrying capacity of the ,fracturing fluid, during its postfrac ,flowback, process. ... The conductivity of the proppant pack can be calculated through the ,formula,, . In which, k

US 6929069 B2 - Fracturing Fluid And Method Of Use - The ...
US 6929069 B2 - Fracturing Fluid And Method Of Use - The ...

The Lens serves almost all the patents and scholarly work in the world as a free, open and secure digital public good, with user privacy a paramount focus.

Calcium peroxide | CaO2 - PubChem
Calcium peroxide | CaO2 - PubChem

An important application of ,calcium peroxide, is for curing the polysulfide sealants used in double glazing window units. ,Calcium peroxide, is also used at several gold mines in Australia to increase recovery of gold and reduce the consumption of cyanide.,Calcium peroxide, (PermeOx) is also used to improve the bioremediation of soils contaminated with creosote or kerosene, to deodorize sewage ...

Method to Predict Proppant flowback in Fractured Gas well
Method to Predict Proppant flowback in Fractured Gas well

proppant ,flowback, in fractured gas well.With this model, the necessary control measures can provided to the designers during ,fracturing, design stage, and Provide the basis for the rational allocation of production after the fracture. The prediction model includes both critical ,rate, model of fracture and fracture shunt model. The critical gas

A low damage fracturing fluid performance evaluation and ...
A low damage fracturing fluid performance evaluation and ...

The study is based on the Chinese people of the country and the country’s oil and gas industry standards SY/T5107-2005 “water-based ,fracturing fluid, performance evaluation method”, to evaluate a new type ,of fracturing fluid, thickening agent about its temperature and shearing resistance, salt tolerance and gel breaking performance, the experimental results show that the ,fracturing fluid, ...

Crosslinked Fluid Treatment and Methods for Fracturing ...
Crosslinked Fluid Treatment and Methods for Fracturing ...

Crosslinked ,Fluid, Treatment and Methods for ,Fracturing, Underground Formations Based on ,Flowback,, Production Water, Seawater, Fresh Water, and Mixtures of Same. 20180016486 - 15531987 - USPTO Application Dec 16, 2015 - Publication Jan 18, 2018 Fabio GERMAN BORGOGNO. Abstract.

Adipic acid | C6H10O4 - PubChem
Adipic acid | C6H10O4 - PubChem

Radioactive ,adipic acid, was fed to fasted experimental rats and the metabolic products identified in the urine were urea, glutamic acid, lactic acid, beta-ketoadipic acid, and citric acid.The presence of beta-ketoadipic acid provided some evidence that ,adipic acid, is metabolized by beta-oxidation in much the same fashion as fatty acids. Further evidence was provided by the appearance of ...

Effect of fracturing fluids on the seepage properties of ...
Effect of fracturing fluids on the seepage properties of ...

Hydraulic ,fracturing, is a major stimulation measure for industrial exploitation of coalbed gas reservoirs.During the ,fracturing, of coalbed gas reservoirs occur serious lost circulation and low ,flowback rate,,which have a direct effect on the seepage properties of formation water and coalbed gas in the process of gas recovery by water drainage.In view of this,damage evaluation experiment of low ...

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

Although shale gas resources are abundant in China but the extremely low permeability impedes its extraction from shale. In order to effectively develop shale gas reservoirs,SRV(stimulated reservoir volume),fracturing, is generally adopted to expand the seepage area;however,in most cases,the ,fracturing flowback rate, is low.To solve this problem,we analyzed the gas shale components and their ...

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