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Acid wastewater neutralization scheme

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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Acid wastewater neutralization scheme
STATE POLICIES ON USE OF HYDRAULIC FRACTURING WASTE …
STATE POLICIES ON USE OF HYDRAULIC FRACTURING WASTE …

Hydraulic ,fracturing, is a process used to extract natural gas in shale formations. According to the Government Acco untability Office , it involves injecting a ,fluid, consisting of water, sand, and chemicals at high pressure to fracture shale formations, such as the Marcellus Shale region in New York, Pennsylvania, and Ohio, to allow gas to flow and be brought into a well for collection.

STATE POLICIES ON USE OF HYDRAULIC FRACTURING WASTE …
STATE POLICIES ON USE OF HYDRAULIC FRACTURING WASTE …

Hydraulic ,fracturing, is a process used to extract natural gas in shale formations. According to the Government Acco untability Office , it involves injecting a ,fluid, consisting of water, sand, and chemicals at high pressure to fracture shale formations, such as the Marcellus Shale region in New York, Pennsylvania, and Ohio, to allow gas to flow and be brought into a well for collection.

Chapter 4 hydraulic Fracturing and Water resources
Chapter 4 hydraulic Fracturing and Water resources

The propping ,agent,—typically sand, ceramic beads, or another incom-pressible material—holds open the newly created fissures to allow the natural gas to flow more freely. In the first few days to weeks after completion of the ,fracturing, process, the well pressure is released and some of the ,fracturing fluid, (referred to as ,flowback,) flows

Study of Fracturing Fluid on Gel Breaking Performance and ...
Study of Fracturing Fluid on Gel Breaking Performance and ...

1/10/2020, · Therefore, in field, the fracturing ,fluid flowback, time should be shortened as much as possible to reduce the soaking effect of the gel breaking ,fluid, on the proppant. (3) The damage of the conductivity caused by the crush and embedding of the proppant showed that the potential rock/,fluid, reaction between the gel breaking ,fluid, and the formation has a certain influence on the proppant …

Analysis of chemical constituents and additives in ...
Analysis of chemical constituents and additives in ...

The process causes the ,fracturing, of rocks by use of a pressurized liquid, the so-called fracking ,fluid, (Figure 1). This ,fluid, is composed primarily of water and sand or other proppants as well as thickening agents. The pressurised injection into the wellbore creates cracks in the rock formations containing the oil or gas of interest.

FRACTURING FLUID CHARACTERIZATION FACILITY (Technical ...
FRACTURING FLUID CHARACTERIZATION FACILITY (Technical ...

The, Fracturing Fluid, Characterization Facility (FFCF) has been established to provide the accurate prediction of the behavior of complex, fracturing fluids, under downhole conditions. The primary focus of the facility is to provide valuable insight into the various, mechanisms, that govern the flow of, fracturing fluids, and slurries through hydraulically created fractures.

Fracturing fluid containing a viscosifying agent and ...
Fracturing fluid containing a viscosifying agent and ...

A ,fracturing fluid, comprising: a base ,fluid,, wherein the base ,fluid, comprises water; proppant; and an additive, wherein the additive: (i) is a cross-linkable polymer, wherein the polymer is a polysaccharide comprising a backbone and pendant functional groups, wherein the polysaccharide is derivatized by substituting one or more of the pendant functional groups with furan; (ii) is a ...

Method of Reusing Untreated Produced Water in Hydraulic ...
Method of Reusing Untreated Produced Water in Hydraulic ...

The identity and concentration of the pH ,agent, is selected based on the target pH, the composition of the ,fluid,, cost and availability of the ,agent,, and/or final ,fluid, properties targets. A buffering ,agent, may be employed to buffer the ,fracturing fluid,, i.e., moderate amounts of either a strong base or acid may be added without causing any large change in pH value of the ,fracturing fluid,.

Method of Treating Flowback Fluid from a Well
Method of Treating Flowback Fluid from a Well

A method and apparatus for treating ,flow back fluid, from a well after a well completion process is disclosed. The method includes the steps of maintaining the pH of the ,flow back fluid, at a certain level and introducing an oxidizing ,agent, into the ,fluid, flow. The ,flow back fluid, which typically contains at least water, oil and solids is passed through a tubing bundle, an oil/water separator ...

Recovered Water Management Study in Shale Wells
Recovered Water Management Study in Shale Wells

primarily composed ,of fracturing, fluids and sand (or other material used as proppant in the process). It may also contain some water from the formation. • ,Fracturing fluid,: ,fluid, used to stimulate the target formation during hydraulic ,fracturing,. It is comprised of a base liquid, a selection of additives and a proppant ,agent,, most commonly sand.

Analysis of chemical constituents and additives in ...
Analysis of chemical constituents and additives in ...

The process causes the ,fracturing, of rocks by use of a pressurized liquid, the so-called fracking ,fluid, (Figure 1). This ,fluid, is composed primarily of water and sand or other proppants as well as thickening agents. The pressurised injection into the wellbore creates cracks in the rock formations containing the oil or gas of interest.

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

Therefore, it is imperative to understand the potential interactions between fracturing ,fluid, and reservoir rock, and then find solutions to reuse the ,flowback, water for subsequent fracturing. In this study, once ,flowback fluid, was directly collected from the field, its chemical compositions were analyzed; then, filtering, decoloring, and chelating methods were chosen to effectively remove or shield the …

Flowback verses First-Flush: New Information on the ...
Flowback verses First-Flush: New Information on the ...

concerns that return-flow of stimulation ,fluid, (i.e. ,flowback,) ... ,reuse,, and disposal of produced water. ... gelling ,agent, in hydraulic ,fracturing, fluids both in California and nationally.4, 5 In this study, we analyzed the SB-4 mandated data concerning well stimulation chemistry

Fracturing fluid characterization: State-of-the-art ...
Fracturing fluid characterization: State-of-the-art ...

The, Fracturing Fluid, Characterization Facility (FFCF) has been established to provide the accurate prediction of the behavior of complex, fracturing fluids, under downhole conditions. The primary focus of the facility is to provide valuable insight into the various, mechanisms, that govern the flow of, fracturing fluids, and more » slurries through hydraulically created fractures.

Treating Water From Hydraulic Fracturing
Treating Water From Hydraulic Fracturing

After fracking, roughly 35% of the water returns to the surface as ,flowback, in the first weeks. Additional liquid known as produced water—a mix of fracking ,fluid, and groundwater—comes up with ...

Treatment of hydraulic fracturing wastewater by wet air ...
Treatment of hydraulic fracturing wastewater by wet air ...

During hydraulic ,fracturing,, up to four million gallons of water-based ,fluid, could be injected into a single drilled well to both initiate and expand fractures, and act as proppant transport (i.e., sand or ceramic materials), of which 10–70% is subsequently recovered as ,flowback, (Lester et al. 2015).

Treatment of hydraulic fracturing wastewater by wet air ...
Treatment of hydraulic fracturing wastewater by wet air ...

During hydraulic ,fracturing,, up to four million gallons of water-based ,fluid, could be injected into a single drilled well to both initiate and expand fractures, and act as proppant transport (i.e., sand or ceramic materials), of which 10–70% is subsequently recovered as ,flowback, (Lester et al. 2015).

Reutilization of thickener from fracturing flowback fluid ...
Reutilization of thickener from fracturing flowback fluid ...

1/1/2019, · The VES can be recycled from the ,flowback fluid, based on phase separation by adding the hydrochloric acid, which makes the recovery process easier and more practical. The fracturing ,fluid, from the recycled VES showed good viscoelasticity and thermal stability at 120 °C.

2021 Hydraulic Fracturing Technology Showcase
2021 Hydraulic Fracturing Technology Showcase

To reduce ,fluid, loss encountered during the hydraulic ,fracturing, process, NatureWorks has released a new polylactic acid (PLA)-based degradable polymer called Ingeo DH1900 for downhole applications. Ingeo DH1900 can be pumped downhole as fine, discrete particles that quickly change into a thick, degradable material at the targeted site.

Water Management for Hydraulic Fracturing in ...
Water Management for Hydraulic Fracturing in ...

Water management for HF has become a magnet for every water ,treatment scheme, imaginable. Thus, it is helpful to look at a few successful technologies in some detail to understand why they are appropriate. In general, desalination of recycle ,flowback, water is becoming less important.

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