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What kind of alkali is used to treat 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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What kind of alkali is used to treat acid wastewater in industry
A REVIEW OF HYDRAULIC FRACTURING - IENE
A REVIEW OF HYDRAULIC FRACTURING - IENE

recycling. Recovered ,fracturing, fluids are referred to as ,flowback,. Disposal options for ,flowback, include discharge into surface water or underground injection. In some cases, it may also be necessary to use hydraulic ,fracturing, to increase the permeability of the coal seam in …

An integrated approach to produced water management ...
An integrated approach to produced water management ...

The distinction between ,flowback, water and produced water can be subjective. But in general, ,flowback, water is less saline and contains chemicals that are used as part of hydraulic ,fracturing, fluids. There is much less water produced from shale oil production compared to that from conventional oil production.

Oilfield Water Management: The Oil And Gas Industry's Holy ...
Oilfield Water Management: The Oil And Gas Industry's Holy ...

The resulting water can be partially treated on site for ,reinjection, as part of the next ,fracturing, ... than 200 ,fracturing flowback, and wireline trucks located in ... in ,fluid, control. Also, the ...

Fracture penetration and proppant transport in gas- and ...
Fracture penetration and proppant transport in gas- and ...

by deep ,reinjection, is recognized as a significant cause for the increasing ... in a rapid ,flowback, after treatment (Lillies and King, 1982). Moreover, ... distribution with transport of a rheological mixture ,of fracturing fluid, ...

Oil and Natural Gas Sector Hydraulically Fractured Oil ...
Oil and Natural Gas Sector Hydraulically Fractured Oil ...

reservoir rock is fractured with very high pressure ,fluid,, typically a water emulsion with a proppant (generally sand) that ³props open´ the fractures after ,fluid, pressure is reduced. Oil well completions with hydraulic ,fracturing, can result in VOC and methane emissions, which occur when gas is vented to the atmosphere during ,flowback,.

An Integrated Equation-of-State Compositional Hydraulic ...
An Integrated Equation-of-State Compositional Hydraulic ...

The goal of this research is to develop a general simulator that can simulate the lifecycle of wells, which includes hydraulic ,fracturing, treatment using water-based or energized ,fracturing fluid,, post-frac shut-in and ,flowback, with fracture closure and proppant settling, primary production with proppant embedment and ,fluid reinjection, in a multiple well pad.

Environmental Science Water Research & Technology
Environmental Science Water Research & Technology

Volumes of ,fluid, returned vary depending on (1) the volume of ,fluid, injected, (2) local geological char-acteristics that control water retention in the subsurface such as imbibition and extent of fracture network8 and (3) well length.9 We collectively define and refer to these fluids as ,flowback, and produced water (FP water), after Nicot et al ...

Comments sought on new environmental offences and ...
Comments sought on new environmental offences and ...

Recommendation 7.9 – prohibition on ,reinjection, of hydraulic ,fracturing, wastewater into ... (ie. naturally occurring water that is extracted from a geological formation following hydraulic ,fracturing,) or ,flowback fluid, (ie. ,fluid, that is a mixture of hydraulic ,fracturing fluid, and formation ,fluid, that is …

Oilfield Water Management: The Oil And Gas Industry's Holy ...
Oilfield Water Management: The Oil And Gas Industry's Holy ...

The resulting water can be partially treated on site for ,reinjection, as part of the next ,fracturing, ... than 200 ,fracturing flowback, and wireline trucks located in ... in ,fluid, control. Also, the ...

Cuttings Reinjection - Physical Process | Schlumberger
Cuttings Reinjection - Physical Process | Schlumberger

Cuttings Reinjection - Physical Process, This video shows the entire CRI process, from surface processing to downhole disposal. Cuttings ,reinjection,, or CRI, has long been recognized as the best solution for managing drilling waste in remote and environmentally sensitive areas, including jungles, the Arctic, and many offshore fields, where traditional disposal techniques are not viable.

Hydraulic Fracturing: Managing Biocide Demand in Mixed ...
Hydraulic Fracturing: Managing Biocide Demand in Mixed ...

In 2018 and 2019, produced-water reuse and water sourcing for hydraulic ,fracturing, operations were key topics in the western United States. In many of these fields, water-sourcing strategies utilizing mixed water sources were implemented, but the level of treatment for the waters ranged considerably as the industry worked to optimize water sourcing and disposal costs for the frac projects.

Optimizing Fracturing Fluids From Flowback Water
Optimizing Fracturing Fluids From Flowback Water

For the ,fracturing fluid, with high salinity in the Yanchang oilfield, the maximum amount of scaling is 72mg/L, and the maximum calcium loss rate is 3.50%, indicating that the compatibility is better.

Treatment of the Cerro Prieto I brines for use in ...
Treatment of the Cerro Prieto I brines for use in ...

Treatment of the ,Cerro Prieto, I brines for use in ,reinjection,. 2. Results of the pilot plant tests

The Role of Oil in Water Testing in Unconventional Oil and ...
The Role of Oil in Water Testing in Unconventional Oil and ...

The option to clean the ,flowback, water just to the level acceptable for reuse for ,fracturing, is much more economical. ,Flowback, water is a mix of the ,fluid, used to facture the shale and water from the formation that includes solids, metals, salts, chemical additives -- along with some oil.

Hydraulic Fracturing: Managing Biocide Demand in Mixed ...
Hydraulic Fracturing: Managing Biocide Demand in Mixed ...

In 2018 and 2019, produced-water reuse and water sourcing for hydraulic ,fracturing, operations were key topics in the western United States. In many of these fields, water-sourcing strategies utilizing mixed water sources were implemented, but the level of treatment for the waters ranged considerably as the industry worked to optimize water sourcing and disposal costs for the frac projects.

An integrated approach to produced water management ...
An integrated approach to produced water management ...

The distinction between ,flowback, water and produced water can be subjective. But in general, ,flowback, water is less saline and contains chemicals that are used as part of hydraulic ,fracturing, fluids. There is much less water produced from shale oil production compared to that from conventional oil production.

Optimization on fracturing fluid flowback model after ...
Optimization on fracturing fluid flowback model after ...

Sun and Xiu (2017) investigated the timing when ,fracturing fluid flowback, start is not only related to the time ,of fracturing fluid, gel breaking but also closely related to the physical properties of the reservoir, especially the mechanical parameters and stresses of the reservoir: for rigid formations, the gel break time should be chosen as the time ,of fracturing fluid flowback,; for loose formation, the fracture …

Treatment of oilfield fracturing flow-back fluid by ClO_2 ...
Treatment of oilfield fracturing flow-back fluid by ClO_2 ...

Oilfield ,fracturing flow-back fluid, was treated by Cl O2 catalytic oxidation process. Under the conditions of Cl O2 dosage 15m L·L- 1, concentration of 20%, oxidation reaction time 20 min and initial wastewater COD was 1883.7mg·L- 1, the COD removal rate was 78.1%. In order to achieve the ideal treatment effect, a certain amount of the composite metal catalyst was added into the ,flow-back, ...

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

18/10/2019, · Partial ,fracturing fluid, enters into the reservoir under the effect of differential pressure ,during, the process of ,flowback,, and partial ,fracturing fluid, flows out of the wellhead. Focusing on the wellhead and blowout choke, based on the material balance and the Bernoulli equation, equation ( 17 ) is obtained (Olson 1980 ).

A Lab study.pdf - J195336 DOI 10.2118\/195336-PA Date 14 ...
A Lab study.pdf - J195336 DOI 10.2118\/195336-PA Date 14 ...

View A Lab study.pdf from CHEM 3050 at Auburn University. J195336 DOI: 10.2118/195336-PA Date: 14-January-20 Stage: Page: 1 Total Pages: 12 A Laboratory Study of the Impact of Reinjecting ,Flowback

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