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How to remove heavy chromium from acid 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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How to remove heavy chromium from acid wastewater
Can Produced Or Flowback Water Be Reused As Fracturing Fluid?
Can Produced Or Flowback Water Be Reused As Fracturing Fluid?

At the time of writing, several ,fluid, tests and permeability regain analysis have been performed successfully using produced water. The system should address many of the issues that multizone ,fracturing, has presented and eventually could result in: Availability at the well site of a produced or ,flowback, water treatment system for ,reuse,;

Frac Water Reuse - Chemical Engineering | Page 1
Frac Water Reuse - Chemical Engineering | Page 1

Flowback, water. After a ,fracturing, treatment on a ,gas, well, the pumping pressure is relieved and ,fracturing fluid,, mixed with water from the rock formation, begins to ,flow back, through the well casing to the wellhead. In treatment-and-,reuse, scenarios, this is the water that will serve as the basis for ,fracturing fluid, for the next job.

Fracking Water: It’s Just So Hard to Clean
Fracking Water: It’s Just So Hard to Clean

4/10/2013, · ,Flowback, water (which literally “flows back” during the fracking process) is a mixture of fracking ,fluid, and formation water (i.e., water rich in brine from the targeted shale ,gas,-rich rock).

Study on the Reutilization of Clear Fracturing Flowback ...
Study on the Reutilization of Clear Fracturing Flowback ...

19/11/2014, · The investigations prove that reclaiming clear fracturing flowback fluids after fracturing operation and reuse it in surfactant flooding might have less impact on environment and be more economical. Citation: Dai C, Wang K, Liu Y, Fang J, Zhao M (2014) Study on the Reutilization of Clear Fracturing Flowback Fluids in Surfactant Flooding with Additives for Enhanced Oil Recovery (EOR).

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,.

Fracking Water: It’s Just So Hard to Clean
Fracking Water: It’s Just So Hard to Clean

4/10/2013, · ,Flowback, water (which literally “flows back” during the fracking process) is a mixture of fracking ,fluid, and formation water (i.e., water rich in brine from the targeted shale ,gas,-rich rock).

AIREX: Reuse of Flowback Fluids as Hydraulic Fracturing ...
AIREX: Reuse of Flowback Fluids as Hydraulic Fracturing ...

title: ,Reuse, of ,Flowback, Fluids as Hydraulic ,Fracturing, Fluids in Tight ,Gas, Sand Reservoirs: Reference URL: http://hdl.handle.net/1969.1/155272: Issue Date

Treatment of high viscosity fracturing flowback by ...
Treatment of high viscosity fracturing flowback by ...

With the increasing application of hydraulic ,fracturing, technology in exploration of tight oil and shale ,gas,, the treatment of accompanying ,fracturing flowback, fluids has become more urgent. Fe/Ni catalyst was successfully applied in the treatment of the ,flowback fluid, for the first time in this paper.

New Solutions Emerging To Treat And Recycle Water Used In ...
New Solutions Emerging To Treat And Recycle Water Used In ...

Three years ago Stewart says he started testing produced water and fracture flowback fluids from oil and gas operations in an effort to purify them for reuse. “Whether it is treating contaminated water in developing countries, wastewater, or frac fluid that has flowed back to the surface, our standard for treated water is to make it potable,” Stewart insists.

AIREX: Reuse of Flowback Fluids as Hydraulic Fracturing ...
AIREX: Reuse of Flowback Fluids as Hydraulic Fracturing ...

title: ,Reuse, of ,Flowback, Fluids as Hydraulic ,Fracturing, Fluids in Tight ,Gas, Sand Reservoirs: Reference URL: http://hdl.handle.net/1969.1/155272: Issue Date

THESIS FRAC FLOWBACK WATER BLENDING AND TREATMENT ...
THESIS FRAC FLOWBACK WATER BLENDING AND TREATMENT ...

shale oil and gas industry is presented in two main parts. The first part details the modeling of water quality of fracturing flowback and produced water in Wattenberg field; the second part reports on the treatment and blending of fracturing flowback water to optimize its reuse as a fracturing fluid.

Microbial communities in flowback water impoundments from ...
Microbial communities in flowback water impoundments from ...

Hydraulic fracturing for, natural ,gas, extraction 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 compounds, and result in biocorrosion that complicates water and waste management and increases production costs.

Reusable fracturing fluid based on formation water in ...
Reusable fracturing fluid based on formation water in ...

In Northeast Oil and ,Gas Field,, the dispending ,fluid of fracturing fluid, is deficient and formation water cannot be recycled easily.To solve these problems, the characteristics of formation water in Northeast Oil and ,Gas Field, were analyzed and the reusable ,fracturing fluid, was investigated.It is indicated from formation water characteristic analysis and formation water based ,fracturing fluid, ...

Can Produced Or Flowback Water Be Reused As Fracturing Fluid?
Can Produced Or Flowback Water Be Reused As Fracturing Fluid?

At the time of writing, several ,fluid, tests and permeability regain analysis have been performed successfully using produced water. The system should address many of the issues that multizone ,fracturing, has presented and eventually could result in: Availability at the well site of a produced or ,flowback, water treatment system for ,reuse,;

Reuse of Flowback Water | Texland Petroleum L.P.
Reuse of Flowback Water | Texland Petroleum L.P.

Flowback, and produced water is already “recycled” in a sense in the Lubbock area. In short, when a ,field, is first discovered, natural ,gas, in the rock produces pressure forcing oil to move toward lower pressure areas. When a well is drilled, the resulting “hole” in the rock becomes the lowest pressure area.

Reuse of Flowback Water | Texland Petroleum L.P.
Reuse of Flowback Water | Texland Petroleum L.P.

Flowback, and produced water is already “recycled” in a sense in the Lubbock area. In short, when a ,field, is first discovered, natural ,gas, in the rock produces pressure forcing oil to move toward lower pressure areas. When a well is drilled, the resulting “hole” in the rock becomes the lowest pressure area.

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