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How to neutralize acid wastewater in industry

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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How to neutralize acid wastewater in industry
Petroleum Engineer's Guide to Oil Field Chemicals and ...
Petroleum Engineer's Guide to Oil Field Chemicals and ...

Scleroglucan Scleroglucan is a polysaccharide secreted by the mycelia of certain microorganisms, produced by aerobic fermentation of d-glucose. It has been proposed as a better alternative to xanthan ,gum, for drilling ,fluid, compositions (Gallino et al., 1996). For drilling ,fluid, applications, scleroglucan can be used in unrefined form.

d2ehpa-topo-kerosene mixtures control: Topics by Science.gov
d2ehpa-topo-kerosene mixtures control: Topics by Science.gov

Flowback, could begin right after the ,fracturing, equipment was rigged down (15 to 30 minutes). Cleanup ,fluid, flow rates were up to ten times higher than previously obtainable with curable resin-coated proppants and less proppant was flowed back. Faster ,flowback, rates also resulted in earlier onset of gas production and reduced ,flowback, time.

US Patent for Oil field chemical delivery fluids methods ...
US Patent for Oil field chemical delivery fluids methods ...

A method of tracing a flow of ,fluid, from a hydrocarbon reservoir comprising the steps of (a) providing an oil field chemical delivery ,fluid, comprising a base ,fluid, and microcapsules having an outer surface, where the microcapsules comprise a microencapsulant and an oil field chemical contained within the microcapsules, where the outer surface of the microcapsules comprises one or more chemical groups that interact with the base ,fluid, …

Pre-acid system for improving the hydraulic fracturing ...
Pre-acid system for improving the hydraulic fracturing ...

Compared with conventional ,fracturing technology,, the pre-acid ,fracturing technology, has the following advantages: (1) Injecting acid before ,fracturing, and pre-treating the formation with acid liquid, which can reduce the formation fracture pressure; (2) The clay stabilizer in the pre-acid and the dissolving effect of HF on clay minerals fundamentally reduces the damage caused by the clay expansion; (3) during ,fracturing,, foreign ,fluid, …

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

(1) The ,fracturing fluid, viscosity increases with thickening agent dosage increased. (2) Good salt tolerance. (3) At 100℃, 170s-1, possess good temperature shear resistance, and good sand carrying performance. (4) The ,fracturing fluid, gel breaking completely, low interfacial tension, low damage.

Treatment and recycling of acidic fracturing flowback fluid
Treatment and recycling of acidic fracturing flowback fluid

Request PDF | Treatment and recycling of acidic ,fracturing flowback fluid, | Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH value, high chemical oxygen demand (COD), high ...

Experimental evaluation of fracture stabilizers ...
Experimental evaluation of fracture stabilizers ...

1/4/2013, · After adding guanidine gum fracturing fluid, there was nearly no change in proppant bondability, some proppant started to flow when the bottle was tilted to 70 degrees, as shown in Fig. 7a. After adding D-60 emulsion breaker for 1 hour, chemical reaction completed, the liquid became turbid, with cementa- tion degree nearly the same, as shown in Fig. 7b.

Gel Breaking and Suspended Sand Performances of Guanidine ...
Gel Breaking and Suspended Sand Performances of Guanidine ...

Aiming at the 70℃ reservoir,a super ,guanidine gum, with excellent water-solubility and less residue content was taken as the ,fracturing fluid, viscosifier. An organic boron crosslinking agent with good cross-linking effect and other additives were taken as the ,fracturing fluid, system. ,Fracturing fluid, should have the characteristics of fast gel breaking and high ,flowback, except the basic ...

Sealant composition comprising a gel system and a reduced ...
Sealant composition comprising a gel system and a reduced ...

In an embodiment, and in particular in an embodiment where the sealant composition does not comprise cement, the ,fluid, loss control additives included in the sealant composition may comprise, for example, natural and/or derivatized polysaccharides like galactomannan gums (guar ,gum,, guar derivatives, etc), biopolymers, modified celluloses or combinations thereof in addition to or in lieu of the ,fluid, loss …

Petroleum Engineer's Guide to Oil Field Chemicals and ...
Petroleum Engineer's Guide to Oil Field Chemicals and ...

Scleroglucan Scleroglucan is a polysaccharide secreted by the mycelia of certain microorganisms, produced by aerobic fermentation of d-glucose. It has been proposed as a better alternative to xanthan ,gum, for drilling ,fluid, compositions (Gallino et al., 1996). For drilling ,fluid, applications, scleroglucan can be used in unrefined form.

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, and, …

Research on the reutilization of hydroxypropyl guanidine ...
Research on the reutilization of hydroxypropyl guanidine ...

In order to solve the resource waste and the environment pollution of a great deal of, flow-back fracturing fluid, in Naniwan oilfield, a reusing, technique, of hydroxypropyl, guanidine gum, fracturing...

Biocides in Hydraulic Fracturing Fluids: A Critical Review ...
Biocides in Hydraulic Fracturing Fluids: A Critical Review ...

Hydraulic ,fracturing, for natural gas extn. from shale produces waste brine known as ,flowback, that is impounded at the surface prior to reuse and/or disposal. During impoundment, microbial activity can alter the fate of metals including radionuclides, give rise to odorous compds., and result in biocorrosion that complicates water and waste management and increases prodn. costs.

Patent Report: | US10138412 | Hydraulic fracturing ...
Patent Report: | US10138412 | Hydraulic fracturing ...

A ,fracturing fluid, composition comprising: a base ,fluid,,a polymers system including: a major portion of one partially hydrolyzed polyacrylamide polymer or a plurality of partially hydrolyzed polyacrylamide polymers, and a minor portion of one natural hydratable polymer or a plurality natural hydratable polymers, and an effective amount of a viscosifying system including one ,guanidine, salt or a plurality of ,guanidine, …

Biocides in Hydraulic Fracturing Fluids: A Critical Review ...
Biocides in Hydraulic Fracturing Fluids: A Critical Review ...

Hydraulic ,fracturing, for natural gas extn. from shale produces waste brine known as ,flowback, that is impounded at the surface prior to reuse and/or disposal. During impoundment, microbial activity can alter the fate of metals including radionuclides, give rise to odorous compds., and result in biocorrosion that complicates water and waste management and increases prodn. costs.

Study on the damage and control method of fracturing fluid ...
Study on the damage and control method of fracturing fluid ...

1/10/2020, · It makes the, fracturing fluid, that entered the pores gather and detach from the rock surface, thus improving the flowback rate of invaded fluid (Xu et al., 2014; Zhu et al., 2014; Wang et al., 2015). According to this principle, Ren (2015) constructed a surfactant system based on alkylcarboxybetaine with the interfacial tension of 0.046 mN/m.

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