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Purification of acid wastewater by alum

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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Purification of acid wastewater by alum
Microbial communities in flowback water impoundments from ...
Microbial communities in flowback water impoundments from ...

Flowback, from the development of shale ,gas, contains ,fracturing fluid, additives as well as suspended and dissolved constituents from the shale formation including high concentrations of salts and metals (Gregory et al., 2011; Barbot et al., 2013), dissolved and nonaqueous hydrocarbons, and in some locations naturally occurring radioactive material (NORM; Hill et al., 2004; Soeder & Kappel, 2009).

Petropedia - What is Flowback? - Definition from Petropedia
Petropedia - What is Flowback? - Definition from Petropedia

Flowback, is very much associated with producing natural ,gas, or shale ,gas, through shale rocks using horizontal drilling and hydraulic ,fracturing,. It is recovered from the well at the surface when the ,fluid, is used to hydraulically fracture the shale formations. ,Flowback, is considered to be an important step in drilling operations.

Handling Produced Water From Hydraulic Fracturing
Handling Produced Water From Hydraulic Fracturing

Produced water and fracture ,flowback, was trucked away and disposed into injection wells or collected in evaporation ponds. Operators later began using in-,field, recycling with clean produced water for ,fracturing, with some success; however, this required significant resources to stage the water at sufficient rates for the 24-hour ,field, operations.

FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...
FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...

A flowback aid may be included in the fracturing fluid to, reduce capillary pressure and water blocks,, thereby improving the kinetics of the flowback and preventing or minimizing the leaving-behind of any substantial amount of the fracturing fluid. Flowback aids, such as surfactants, have also been shown to aid in the “clean-up” of the proppant pack, thereby accelerating the flow of hydrocarbons through the …

Investigation of a critical choke during hydraulic ...
Investigation of a critical choke during hydraulic ...

During the process of ,fracturing fluid flowback,, ,gas, will appear in the wellhole leading to an increase in wellhead pressure. Due to the appearance of ,gas,, mixed ,fluid, (,gas, and liquid) density and viscosity will decrease, ,fluid, drag force will be weakened and a bigger choke diameter can benefit ,fracturing fluid flowback,.

Benefits of Energized Solutions in Fracturing - Linde Gas
Benefits of Energized Solutions in Fracturing - Linde Gas

reducing or impeding the flow of oil and ,gas,. Often times, in water-based ,fracturing, fluids, the majority of the water is never recovered. Energizing the ,fracturing fluid, with CO₂ or N₂ will improve the total ,flowback, volume and rate, as well as, when foamed, significantly lower

Review of Treatment Methods for Fracturing Flowback Fluid ...
Review of Treatment Methods for Fracturing Flowback Fluid ...

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 …

Review of Treatment Methods for Fracturing Flowback Fluid
Review of Treatment Methods for Fracturing Flowback Fluid

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 ...

Oil and Gas Flowback Operations: Releasing a Killer - EHS ...
Oil and Gas Flowback Operations: Releasing a Killer - EHS ...

“,Flowback,,” in the oil and ,gas, industry, refers to process fluids that are collected at the surface after hydraulic ,fracturing, operations are completed. The fluids contain both the hydraulic ,fracturing, fluids, and volatile hydrocarbons.

Review of Treatment Methods for Fracturing Flowback Fluid ...
Review of Treatment Methods for Fracturing Flowback Fluid ...

Through analyzing and comparing the treatment of ,fracturing fluid flowback, at home and abroad, it can be found that ,fluid, derived organic waste water can be handled by micro electrolysis economically and efficiently. But there are also some shortages of traditional micro electrolysis. So this paper discusses a new micro-electrolysis technology, namely cavitation-impinging stream electrolysis ...

Fracturing fluids and additives - PetroWiki
Fracturing fluids and additives - PetroWiki

16/4/2020, · The ,fluid, density affects the surface injection pressure and the ability of the ,fluid, to ,flow back, after the ,treatment,. Water-based fluids generally have densities near 8.4 ppg. Oil-base ,fluid, densities will be 70 to 80% of the densities of water-based fluids. Foam-,fluid, densities can be substantially less than those of water-based fluids.

Flow-back Water Treatment Device | Haimo Technologies
Flow-back Water Treatment Device | Haimo Technologies

References:《GuarFracturing ,Fluid flowback, water recycling and reuse quality standard》Q/SY CQ 3559-2015 Technical Characteristics: a).Wide application range, strong impact resistance, it can handle different kinds of ,flowback, water formed by different ,fracturing, systems and different ,fracturing, processes to ensure that the output water quality meets the requirements of re-injection or ...

ENERGY [HYDRAULIC FRACTURING AND NATURAL GAS POWER …
ENERGY [HYDRAULIC FRACTURING AND NATURAL GAS POWER …

Produced water flow rates are typically much lower and more consistent than ,flowback,, is variable ,field,-to-,field, and well-to-well, but has generally predictable flow rates and quality. In the Permian Basin the ratio of produced water to oil has dropped from 8:1 to 4:1 [due to normal decline per well] for the remainder of 2018 about 350 million barrels of product water per month will be generated.

Benefits of Energized Solutions in Fracturing - Linde Gas
Benefits of Energized Solutions in Fracturing - Linde Gas

reducing or impeding the flow of oil and ,gas,. Often times, in water-based ,fracturing, fluids, the majority of the water is never recovered. Energizing the ,fracturing fluid, with CO₂ or N₂ will improve the total ,flowback, volume and rate, as well as, when foamed, significantly lower

KOSUN Fracturing Flowback Fluid Treatment System and ...
KOSUN Fracturing Flowback Fluid Treatment System and ...

The fracturing ,flowback fluid treatment, system is a ,flowback, liquid back-distribution and re-injecti o n ,treatment, device independently developed by our company based on years of oil and gas field ,flowback, liquid ,treatment, and comprehensive utilization production practices. The fracturing ,flowback fluid treatment, system integrates process units such as automatic dosing, multi-reaction, oil ...

Hydraulic Fracturing Technologies – NexTier
Hydraulic Fracturing Technologies – NexTier

To help you optimize fracturing performance in any downhole conditions, NexTier offers a range of premium-quality ,fluid, systems, friction reducers (FRs), diverter packages and specialized ,treatment, products. ... Innovative chemistry to control excessive proppant ,flowback,, improve operational efficiency and reduce overall completion costs.

The retention and flowback of fracturing fluid of branch ...
The retention and flowback of fracturing fluid of branch ...

1/3/2021, · Fracturing ,fluid flowback, can be considered in two stages. The ,flowback, mechanism for each stage is different. The two stages can be distinguished by the critical T2 relaxation time determined by the low-field NMR, as described in Fig. 12. At first, a cumulative T2 value for …

FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...
FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...

A ,flowback, aid may be included in the ,fracturing fluid, to reduce capillary pressure and water blocks, thereby improving the kinetics of the ,flowback, and preventing or minimizing the leaving-behind of any substantial amount of the ,fracturing fluid,. ,Flowback, aids, such as surfactants, have also been shown to aid in the “clean-up” of the ...

Optimization of Fracturing Fluid Flowback Based on Fluid ...
Optimization of Fracturing Fluid Flowback Based on Fluid ...

The purpose of frac ,fluid flowback, is to outflow the ,fracturing fluid, and prevent the proppant backflow, which determines the effect of ,fracturing fluid flowback,. The ,fracturing, treatment in ,field, lacks relevant theoretical models for prediction. Therefore, this work focuses on establishing the ,flowback, model of hydraulic ,fracturing, for multilayer fractured wells.

Fracturing & Flowback Equipment | Schlumberger
Fracturing & Flowback Equipment | Schlumberger

Improve ,fluid, delivery and control. Choose Cameron fracturing services and ,equipment, to manage efficient ,fluid, delivery from the manifold to the wellhead. With rental and purchase options available, you have choices—from fully integrated, seamless service delivery to individual frac trees and manifolds that maximize operational efficiency.

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