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Study on the acidity of printing and dyeing 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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Study on the acidity of printing and dyeing wastewater
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

How is Shale Gas Produced? - Energy
How is Shale Gas Produced? - Energy

flowback,). This water can be treated and reused – in fact, reuse of ,flowback, fluids for subsequent hydraulic fracture treatments can significantly reduce the volume of wastewater generated by hydraulic ,fracturing,. Producible portions of ,shale, gas formations are located many thousands of feet below the surface, well below groundwater aquifers.

A Two-Phase Flowback Model for Multiscale Diffusion and ...
A Two-Phase Flowback Model for Multiscale Diffusion and ...

A shale gas reservoir is usually hydraulically fractured to enhance its gas production. When the injection of water-based fracturing fluid is stopped, a two-phase …

Zero Flowback Rate of Hydraulic Fracturing Fluid in Shale ...
Zero Flowback Rate of Hydraulic Fracturing Fluid in Shale ...

A high ,flowback, rate of hydraulic ,fracturing fluid, (HFF) yields a high gas production rate in a tight sand gas reservoir. This idea is well followed when it comes to the hydraulic ,fracturing, of a ,shale, gas well. Therefore, numerous studies have focused on increasing the ,flowback, rate of HFF in ,shale, gas reservoirs to mitigate the water blocking damage. Yet, only a small portion of the injected ...

Shale Gas 101 | Department of Energy
Shale Gas 101 | Department of Energy

Please take some time to learn more about ,shale, gas and hydraulic ,fracturing, technology by navigating through the ‘,Shale, Gas Basics’ area of the page. For those who have a basic knowledge of ,shale, gas and hydraulic ,fracturing, and want to learn more, or those working in the industry and looking for more detailed information, go to the ‘,Shale, Gas Pro’ section of the page.

Shales Leaching Modelling for Prediction of Flowback Fluid ...
Shales Leaching Modelling for Prediction of Flowback Fluid ...

The authors define leaching as a flowback fluid generation related to the shale processing. In the first step shale rock was characterized using X-ray fluorescence spectroscopy, X-ray diffractometry and laboratory analysis. It was proven that shale rock samples taken from the selected sections of horizontal well are heterogeneous.

(PDF) Field and Laboratory Studies of the Water Chemistry ...
(PDF) Field and Laboratory Studies of the Water Chemistry ...

To facilitate the study of geochemical processes during hydraulic fracturing and flowback, a scientific shallow shale gas well (depth 750 m) was drilled into the Lower Silurian Longmaxi marine ...

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

A tremendous amount of water-based ,fracturing fluid, with ancillary chemicals is injected into the ,shale, reservoirs for hydraulic ,fracturing,, nearly half of which is retained within the ,shale, matrix. The fate of the retained ,fracturing fluid, is raising some environmental and technical concerns.

A Rock-on-a-Chip Approach to Study Fluid Invasion and ...
A Rock-on-a-Chip Approach to Study Fluid Invasion and ...

Understanding the dynamic process of ,fluid, invasion and ,flowback, has significant technological implications in developing ,shale, plays. One of the physical models used to study this process is coreflooding, which mimics the process of ,fracturing fluid, invasion, ,flowback,, and hydrocarbon recovery from ,shale, formations.

A Rock-on-a-Chip Approach to Study Fluid Invasion and ...
A Rock-on-a-Chip Approach to Study Fluid Invasion and ...

Understanding the dynamic process of ,fluid, invasion and ,flowback, has significant technological implications in developing ,shale, plays. One of the physical models used to study this process is coreflooding, which mimics the process of ,fracturing fluid, invasion, ,flowback,, and hydrocarbon recovery from ,shale, formations.

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

Flowback Study of Hydraulic Fracturing in Shale Gas Reservoirs
Flowback Study of Hydraulic Fracturing in Shale Gas Reservoirs

It plays a significant role in optimizing flowback of a fracturing fluid to maintain the optimal conductivity in hydraulic fractures. This research is focused on the development of a novel simulator using a mathematical model to optimize a choke size as wellhead pressure changes over time.

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 - Wikipedia
Hydraulic fracturing - Wikipedia

Hydraulic fracturing,, also called fracking, fracing, hydrofracking, fraccing, frac'ing, and hydrofracturing, is a well stimulation technique involving the ,fracturing, of bedrock formations by a pressurized liquid. The process involves the high-pressure injection of "fracking ,fluid," (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore ...

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.

Petropedia - What is Frac Flowback? - Definition from ...
Petropedia - What is Frac Flowback? - Definition from ...

At present, ,frac flowback, is very much associated with the production of natural gas or ,shale, gas through ,shale, rocks using horizontal drilling and hydraulic ,fracturing, process. It is recovered from the well at the surface when the ,fluid, is used to hydraulically fracture the ,shale, formations.

Fracturing & Flowback Equipment | Schlumberger
Fracturing & Flowback Equipment | Schlumberger

Improve ,fluid, delivery and control. Choose Cameron ,fracturing, services and equipment to manage efficient ,fluid, delivery from the manifold to the wellhead. With rental and purchase options available, you have choices—from fully integrated, seamless service delivery to individual frac trees and manifolds that maximize operational efficiency.

Effect of the Fluid–Shale Interaction on Salinity ...
Effect of the Fluid–Shale Interaction on Salinity ...

Hydraulic ,fracturing, has been widely implemented to enhance hydrocarbon production from ,shale, reservoirs. However, one of the main challenges during hydraulic ,fracturing, is to understand what factor(s) trigger high salinity of ,flowback, water, which sometimes can be up to 300 000 mg/L. While several mechanisms have been proposed to explain the controlling factor behind the high salinity of ...

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

A tremendous amount of water-based ,fracturing fluid, with ancillary chemicals is injected into the ,shale, reservoirs for hydraulic ,fracturing,, nearly half of which is retained within the ,shale, matrix. The fate of the retained ,fracturing fluid, is raising some environmental and technical concerns.

Hydraulic fracturing for shale and tight gas in Western ...
Hydraulic fracturing for shale and tight gas in Western ...

Table 5. Substances used for hydraulic ,fracturing, but not detected in ,flowback fluid,, guideline values and hazards. 48 Table 6. Substances used for hydraulic ,fracturing, and detected in ,flowback fluid,, guideline values and hazards. 49 Table 7. Additional substances detected in ,flowback fluid,, guideline values and hazards. 50 Table 8.

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