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Dosage of alkali neutralization in 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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Dosage of alkali neutralization in acid wastewater
Water-Management Approach for Shale Operations in North ...
Water-Management Approach for Shale Operations in North ...

In crosslinked-,fluid, or hybrid ,fracturing,, the ,guar,-,gum,-polymer concentration is significantly higher, up to 30 ppt. In contrast with the slickwater system, in a crosslinked-,fluid, or hybrid system, the FW and PW may contain broken or unbroken polymer gel or a combination thereof.

Shale Frac Sequential Flowback Analyses and Reuse Implications
Shale Frac Sequential Flowback Analyses and Reuse Implications

Load recovery following, fracturing, operations is a key aspect of any, water reuse, program since the, load, recovery volumes may vary across operating locations and the amount of water that can be recycled is dependent upon the final water chemistry. In many cases,, significant, dilution of, flowback water, with fresh water is applied to new completions.

Isolation and characterization of Bacillus firmus strain ...
Isolation and characterization of Bacillus firmus strain ...

2011). The ,flowback, water contains the above additives and particularly elevated amounts of total dissolved solids (TDS), hydrocarbons and metals. Once ,fracturing, of the well is completed, ,flowback, period starts and continues up to 2 weeks. Approximately 10-30 % of ,fracturing fluid, returns to surface as „,flowback,‟ (Mohan et al., 2011).

What are some ways to better regulate hydraulic fracturing ...
What are some ways to better regulate hydraulic fracturing ...

carbonate, ,guar gum,, and isopropanol in ,flowback, generated by hydraulic ,fracturing,. propping agent as shown in Figure 2 which is pumped and stored in deep underground wells in Southern California. Two main stakeholders, oil industries and environmental advocates, have debated over this method of harvesting energy.

Study on fracturing flowback fluid treatment technology ...
Study on fracturing flowback fluid treatment technology ...

1/2/2018, · Shale gas ,fracturing flowback fluid, has the characteristics of high viscosity, large displacement, complex components and difficult to deal with. Therefore, it is of great signifi

Uncertainties Associated with the Reuse of Treated ...
Uncertainties Associated with the Reuse of Treated ...

After fracturing has occurred, natural gas and oil, when present, flow through the fractures into the wellbore where it is collected and separated from wastewater. This process has been applied to produce methane from shale and coal deposits, as well as to enhance existing oil recovery efforts.

Study on fracturing flowback fluid treatment technology ...
Study on fracturing flowback fluid treatment technology ...

1/2/2018, · Shale gas fracturing flowback fluid has the characteristics of high viscosity, large displacement, complex components and difficult to deal with. Therefore, it is of great, significance, for environmental protection to treat and reuse it.

Hydraulic Fracturing Flowback Water Chemical Composition ...
Hydraulic Fracturing Flowback Water Chemical Composition ...

Hydraulic ,Fracturing Flowback, Water Chemical Composition Research Helen Schlimm Dickinson College Alliance for Aquatic Resource Monitoring (ALLARM) Dickinson College Follow this and additional works at:http://scholar.dickinson.edu/student_work Part of theOil, Gas, and Energy Commons, and theWater Resource Management Commons

Hydraulic fracturing and the management disposal and ...
Hydraulic fracturing and the management disposal and ...

1/6/2014, · Frac flowback is the term used to describe, injected water that returns to the surface during the first few weeks of production., Produced water refers to the water naturally present in the formation brought to the surface throughout the production process.

Superhydrophilic Functionalization of Microfiltration ...
Superhydrophilic Functionalization of Microfiltration ...

25/9/2017, · Gels ,of guar gum, cross-linked with borax or a transition metal compounds are used in hydraulic ,fracturing, fluids to provide viscosity 15,34. The polysaccharide guaran (M w ≈ 10 6 Da) is the ...

Treatment Of Flowback For Reuse: An Emerging Oilfield ...
Treatment Of Flowback For Reuse: An Emerging Oilfield ...

Water recycling is a growing practice in North American hydraulic fracturing operations. While freshwater remains the predominant fracturing fluid across the industry, an increasing number of operators are completing wells with blends of freshwater and brine water that flows back from completed and producing wells (flowback). In some cases, direct reuse with minimal conditioning is practiced. However, most …

Produced Water: Understanding Fracture Fluid - MW Watermark
Produced Water: Understanding Fracture Fluid - MW Watermark

Flowback, and Produced Fracture ,Fluid,. While some of the fracture ,fluid, gets absorbed into the rock, about 20-40% of it returns to the surface. It may carry minerals, salt, residue and other contaminants from the ground – in addition to the original ,fluid, additives – with it. When this occurs, the ,fluid, …

1. Introduction - Hindawi
1. Introduction - Hindawi

Moreover, pH value was further tuned during different stages of the recycling process to ensure good gelation and cross-linking properties ,of guar,. Cross-linked ,guar, synthesized with the ,flowback fluid, was evaluated in the lab through shear resistance tests and coreflood tests under the reservoir conditions; results indicated the recycled gel behaved similarly as the original gel, or even better.

SPE 163824 Development and Use of High-TDS Recycled ...
SPE 163824 Development and Use of High-TDS Recycled ...

the base ,fluid, for ,fracturing, not only helps alleviate the industry’s dependence on fresh water but can also lower the overall cost of the well stimulation treatment. Using produced water exceeding TDS values of 270,000 ppm is key to reclamation and ,reuse, programs in the Delaware basin.

Treatment Of Flowback For Reuse: An Emerging Oilfield ...
Treatment Of Flowback For Reuse: An Emerging Oilfield ...

Water recycling is a growing practice in North American hydraulic fracturing operations. While freshwater remains the predominant fracturing fluid across the industry, an increasing number of operators are completing, wells, with blends of freshwater and, brine, water, that flows back from completed, and, producing wells (flowback,). In some cases, direct reuse with minimal conditioning is practiced. …

Hydraulic fracturing and the management disposal and ...
Hydraulic fracturing and the management disposal and ...

1/6/2014, · Frac flowback is the term used to describe injected water that returns to the surface during the first few weeks of production. Produced water refers to the water naturally present in the formation brought to the surface throughout the production process.

Hydraulic Fracturing Glossary | Center of the American ...
Hydraulic Fracturing Glossary | Center of the American ...

By way of comparison, the very dry Haynesville Shale in Arkansas, Texas, and Louisiana traps 95% of the ,fracturing, fluids it receives, while the rather wet Marcellus Shale in Pennsylvania and New York holds onto about 50% of the ,fracturing fluid, injected into it. 42 After some fraction of ,flowback fluid, has returned to the surface, the balance of fluids emerging from the well shifts over to ...

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, ...

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