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Neutralization of acid wastewater with sodium bicarbonate

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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Neutralization of acid wastewater with sodium bicarbonate
Mechanisms of boron removal from hydraulic fracturing ...
Mechanisms of boron removal from hydraulic fracturing ...

15/11/2015, · Boron uptake from highly saline hydraulic fracturing wastewater by freshly precipitated amorphous Al(OH)3precipitates is due to ligand exchange and complexation with surface hydroxyl groups. Consequently,, aluminum electrocoagulation, can be a feasible approach to remove boron from flowback/produced water.

Boron removal from hydraulic fracturing wastewater by ...
Boron removal from hydraulic fracturing wastewater by ...

1/12/2017, · This manuscript targets turbidity along with one of the additives; borate-based cross-linkers used to adjust the rheological characteristics of the frac-,fluid,. Alum and ferric chloride were evaluated as coagulants for clarification and ,boron removal, from saline ,flowback, water obtained from a well in the Eagle Ford shale.

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

Hydraulic ,fracturing, requires a large volume of fresh water, which is difficult and expensive to obtain in the desert area such as Tarim Basin. Currently, ,flowback fluid, is typically transported to the sewage treatment plant and then discharged after reaching environmental requirements; however, this is not only costly, but also a waste of water resource.

Water absorption characteristics of gas shale and the ...
Water absorption characteristics of gas shale and the ...

Water absorption characteristics of gas shale and the ,fracturing fluid flowback, capacity: Gao Shusheng, Hu Zhiming, Guo Wei, Zuo Luo, Shen Rui: 1.College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China; 2.Langfang Branch Research Institute of Petroleum Exploration and Development, PetroChina, Langfang, Hebei 065007, China

Retention of Hydraulic Fracturing Water in Shale: The ...
Retention of Hydraulic Fracturing Water in Shale: The ...

Common chemical additives in ,fracturing fluid, are often surfactants [7,34,36,37,38]. Generally, they are intended to increase the viscosity of ,fracturing fluid, to allow it to propagate within the target formation. An anionic surfactant that is added in ,fracturing fluid, mixture is Internal Olefin Sulfate (IOS) [34].

PEH:Hydraulic Fracturing - PetroWiki
PEH:Hydraulic Fracturing - PetroWiki

26/4/2017, · Hydraulic ,fracturing, is the process of pumping a ,fluid, into a wellbore at an injection ,rate, that is too great for the formation to accept in a radial flow pattern. As the resistance to flow in the formation increases, the pressure in the wellbore increases to a value that exceeds the breakdown pressure of the formation open to the wellbore.

What is Hydraulic Fracturing? | Megan's Law Journal
What is Hydraulic Fracturing? | Megan's Law Journal

24/9/2013, · The ,flowback fluid, is collected in open pits, large tanks and deep storage wells until it is treated, recycled or disposed of. (Howarth 3) In 1947, hydrofracking was used for the first time to extract natural gas at a well in Kansas.

What is hydraulic fracturing? part A
What is hydraulic fracturing? part A

The operation principle of hydraulic ,fracturing, is very simple: It consists in pumping a ,fluid, (usually composed by 89% of water) to pressure inside the well (through the production casing or by the use of the tool “frac string”) until this exceeds the resistance of the rock, moment from which start the fracture, subsequently continued pumping the ,fluid, with proppant to extend the growth ...

Hydraulic fracturing : What is hydraulic fracturing ...
Hydraulic fracturing : What is hydraulic fracturing ...

Hydraulic fracturing, became even more important in the 1990s, when improved technology allowed its application to horizontal wells in developing tight gas and oil reservoirs, particularly for shales. The technological combination of ,hydraulic fracturing,, the chemistry of the ,fracturing fluid,, and the use of horizontal wells is rapidly evolving.

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 …

Laboratory Study on Boron Removal Technology for Reuse of ...
Laboratory Study on Boron Removal Technology for Reuse of ...

Laboratory Study on ,Boron Removal, Technology for Reuse of Unconventional Reservoir ,Fracturing Flowback Fluid, May 2017 DOI: 10.3969/j.issn.1673-064X.2017.03.017

A Comparison of Methods for Boron Removal From Flowback ...
A Comparison of Methods for Boron Removal From Flowback ...

Addition of, magnesium chloride, in a single-stage process is a viable option for boron removal from produced and flowback water, but the chemical consumption and sludge production must be kept in mind. Conclusion. The testing conducted on boron removal proved that it can be selectively removed from flowback and produced waters.

THEORETICAL CALCULATION OF FRACTURING FLUID FLUID FLOWBACK ...
THEORETICAL CALCULATION OF FRACTURING FLUID FLUID FLOWBACK ...

Fracturing fluid, flowing back ,rate, lacked a theoret-ical model to be predicted,which always obtained from field,is a key factor to appraise ,fracturing, effects.In order to enrich ,fractu-ring, design and evaluation theoretical system,a model of flowing back ,rate, calculation based on material equilibrium principle,rock mechanics and percolating flow mechanics was developed,which considered on the ...

What is Frac Flowback Water?
What is Frac Flowback Water?

treating frac ,flowback, and produced water at an optimal ,rate,. The EC columns are run in series and each unit has a capacity of 650 m3/d (150 GPM) Hydro-Pods™ may be run in parallel to obtain the desired daily treatment ,rate,. Runs off 220v, 2-phase circuit.

The Complete Guide To Hydraulic Fracturing | OilPrice.com
The Complete Guide To Hydraulic Fracturing | OilPrice.com

22/1/2020, · Hydraulic ,fracturing, is the process of pumping specially made fluids at high pressure and high ,rate, ... The ,fracturing fluid, ... This ,fluid,, typically called produced water, or ,flowback,, ...

Evaluation of shale gas well fracturing performance based ...
Evaluation of shale gas well fracturing performance based ...

Results show that the ,flowback, data collected in the blowout stage cannot be neglected, otherwise the effective fracture volume is relatively smaller. The proposed method provides the technical support for the evaluation of ,fracturing, performance of shale gas wells with the use of ,flowback, data.

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