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The chemical equation of treating sulfuric acid wastewater with ammonia water

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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The chemical equation of treating sulfuric acid wastewater with ammonia water
Fracture Characterization Using Flowback Water Transients ...
Fracture Characterization Using Flowback Water Transients ...

In this study, an integrated hydro-mechanical–chemical model (HMC) developed by Wang et al. is used to simulate fracturing fluid flowing back after the hydraulic fracturing treatment. Two field cases from the Longmaxi Formation, Southern Sichuan Basin, China, are investigated with the HMC model-based flowback history matching method.

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

1/11/2015, · The, fracturing flowback fluid treatment, unit has the following main modules , , : ① coagulation and precipitation, which involves pumping the, flowback fluid, with sand preliminarily settling removed to the, treatment, tank, adding coagulant and ion precipitant in the tank to make the suspended solids and Ca 2+ and Mg 2+ ions coagulate and precipitate, realizing the preliminary separation of …

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

Centralized and group well deployment and factory-like ,fracturing, techniques are adopted for low-permeability tight sandstone reservoirs in the Sulige…

Treatment and recycling of acidic fracturing flowback fluid
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 corrosiveness and complex components. Surface discharge without treatment may contaminate the environment. However, wastewater treatment after centralized transportation has poten …

Fracturing-Fluid Flowback Simulation with Consideration of ...
Fracturing-Fluid Flowback Simulation with Consideration of ...

On the basis of the above-mentioned hydrodynamic ,flowback, behavior for ,fracturing,-,fluid,, following physical assumptions are made: (1) the physical ,flowback, model is composed of four interconnected domains, i.e., W, F, f, and m (as shown in Figure 2); (2) f and m form a dual-porosity media, which directly link F, and all F connect to W; (3) a set of fine grids with high permeability is used to characterize F, …

Experimental study of treatment processes for shale gas ...
Experimental study of treatment processes for shale gas ...

29/1/2016, · Abstract. The toxicity of shale gas fracturing flowback fluid in the eastern Sichuan Basin was investigated and proven to be nontoxic. Based on the water quality characteristics of the fracturing flowback fluid in this area, an experimental study of treatment processes was conducted considering the coagulation–Fenton oxidation processes.

Treatment techniques and execution standards for achieving ...
Treatment techniques and execution standards for achieving ...

Treatment, techniques and execution standards for achieving emissions of shale gas hydraulic ,fracturing flowback, fluids: Xiong Chunping, Xiang Qigui, Luo Xiaolan & Deng Hao (1. Research Institute of Safety, Environmental Protection and Technical Supervision, PetroChina Southwest Oil & Gasfield Company, Chengdu, ,Sichuan, 610041, China; 2.

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 …

Managed Pressure Drilling (MPD) Services | Schlumberger
Managed Pressure Drilling (MPD) Services | Schlumberger

Drilling ,fluid, is supplemented by surface backpressure, which can be adjusted much faster in response to downhole conditions compared with changing mud weights conventionally. Although it originated as a solution to “undrillable” wells, today, wells of all types can use the technique to manage critical downhole pressures more effectively, leading to improved drilling efficiency and ...

Experimental study of treatment processes for shale gas ...
Experimental study of treatment processes for shale gas ...

Electrolytic brine, was an optimal oxidation gel breaker and molecular sieve loaded with Fe/Ni as catalyst for the treatment of fracturing flowback.

Hydraulic fracturing in the United States - Wikipedia
Hydraulic fracturing in the United States - Wikipedia

Hydraulic fracturing in the United States, began in 1949. According to the Department of Energy (DOE), by 2013 at least two million oil and gas wells in the US had been hydraulically fractured, and that of new wells being drilled, up to 95% are hydraulically fractured.The output from these wells makes up 43% of the oil production and 67% of the natural gas production in the United States.

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

20/1/2021, · Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH value, high chemical oxygen demand (COD), high corrosiveness and complex components. Surface discharge without treatment may contaminate the environment. However, wastewater treatment after centralized transportation has potential safety risks and requires high costs.

CN102161536A - Advanced treatment method for fracturing ...
CN102161536A - Advanced treatment method for fracturing ...

The invention discloses an advanced ,treatment, method for ,fracturing flow-back fluid,, belongs to the field of water ,treatment, of the development of oil and gas fields, and particularly relates to an advanced ,treatment, method for the ,fracturing flow-back fluid, generated during the operation of the oil and gas fields. The ,treatment, method for the ,fracturing flow-back fluid,, which has high effect ...

Experimental study of treatment processes for shale gas ...
Experimental study of treatment processes for shale gas ...

9/2/2017, · Abstract. The toxicity of shale gas ,fracturing flowback fluid, in the eastern ,Sichuan, Basin was investigated and proven to be nontoxic. Based on the water quality characteristics of the ,fracturing flowback fluid, in this area, an experimental study of treatment processes was conducted considering the coagulation–Fenton oxidation processes.

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

In this paper,, Fe/Ni catalyst, was successfully applied in the treatment of the flowback fluid for the first time. The catalyst can improve the oxidation efficiency of electrolytic brine and reduce the viscosity of fracturing flowback during the treatment process. The effect of the Fe/Ni proportion on the catalytic performance was studied.

How It Works: Gears - Global Oilfield Services & Equipment
How It Works: Gears - Global Oilfield Services & Equipment

Worm gears. Standard worm gears can be configured to fit almost any partial-turn or multiturn valve, such as ball valves or butterfly valves. Worm gear operators create a mechanical advantage in torque, which reduces the amount of work or number of turns required to cycle a valve.

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

20/1/2021, · Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH value, high chemical oxygen demand (COD), high corrosiveness and complex components. Surface discharge without ,treatment, may contaminate the environment. However, wastewater ,treatment, after centralized transportation has potential safety risks and requires high costs.

Federal Register :: Oil and Natural Gas Sector: Emission ...
Federal Register :: Oil and Natural Gas Sector: Emission ...

15/9/2020, · The ,flowback, period begins when material introduced into the well during the ,treatment, returns to the surface following hydraulic ,fracturing, or refracturing. The ,flowback, period ends when either the well is shut in and permanently disconnected from the ,flowback equipment, or …

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