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Treatment of fluoride containing 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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Treatment of fluoride containing acid wastewater
Removal of organics from shale gas fracturing flowback ...
Removal of organics from shale gas fracturing flowback ...

Shale gas ,fracturing flowback fluid, contains various degradation difficulty organic compounds after hydraulic ,fracturing,. A hybrid treatment method was developed for treating ,flowback, and produced water (FPW) using pre-treatment (NaClO) followed by the expanded granular sludge bed (EGSB) and moving bed biofilm reactor (MBBR). Gas chromatography–mass spectrometry (GC-MS) was employed to ...

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

Abstract. The object of the paper is the ,prediction of flowback fluid composition, at a laboratory scale, for which a new approach is described. 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 ...

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

The object of the paper is the prediction of ,flowback fluid, composition at a laboratory scale, for which a new approach is described. 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 ...

A low damage fracturing fluid performance evaluation and ...
A low damage fracturing fluid performance evaluation and ...

The study is based on the Chinese people of the country and the country’s oil and gas industry standards SY/T5107-2005 “water-based ,fracturing fluid, performance evaluation method”, to evaluate a new type of ,fracturing fluid, thickening agent about its temperature and shearing resistance, salt tolerance and gel breaking performance, the experimental results show that the ,fracturing fluid, ...

Removal of organic compounds from shale gas flowback water
Removal of organic compounds from shale gas flowback water

Organic matter in flowback water is dominated by low molecular weight fractions. Low molecular weight organics are effectively removed via biodegradation. Organics with high molecular weight are targeted by activated carbon. Biodegradation and activated carbon may complement flowback desalination.

The Research and Application on Fracturing Technology of ...
The Research and Application on Fracturing Technology of ...

In recent years, the measure of ,fracturing fluid, blending was adopted prior to operation. The traditional form of ,fluid, blending not only has the problem of long operation cycle and high strength of ,fluid, blending and so on, but also has difficult disposal of ,flowback, waste ,fluid, and reservoir damage. For avoiding the disadvantages of traditional ,fluid, blending, the online preparation for ...

Microbial communities in flowback water impoundments from ...
Microbial communities in flowback water impoundments from ...

Flowback, from the development of shale gas contains ,fracturing fluid, additives as well as suspended and dissolved constituents from the shale formation including high concentrations of salts and metals (Gregory et al., 2011; Barbot et al., 2013), dissolved and nonaqueous hydrocarbons, and in some locations naturally occurring radioactive material (NORM; Hill et al., 2004; Soeder & Kappel, 2009).

The Research and Application on Fracturing Technology of ...
The Research and Application on Fracturing Technology of ...

In recent years, the measure of ,fracturing fluid, blending was adopted prior to operation. The traditional form of ,fluid, blending not only has the problem of long operation cycle and high strength of ,fluid, blending and so on, but also has difficult disposal of ,flowback, waste ,fluid, and reservoir damage. For avoiding the disadvantages of traditional ,fluid, blending, the online preparation for ...

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 ...

A low damage fracturing fluid performance evaluation and ...
A low damage fracturing fluid performance evaluation and ...

The study is based on the Chinese people of the country and the country’s oil and gas industry standards SY/T5107-2005 “water-based ,fracturing fluid, performance evaluation method”, to evaluate a new type of ,fracturing fluid, thickening agent about its temperature and shearing resistance, salt tolerance and gel breaking performance, the experimental results show that the ,fracturing fluid, ...

Cement Systems and Additives - Halliburton
Cement Systems and Additives - Halliburton

NeoCem™ cement is a ,low,-Portland cement system that provides shear bond at lower density and greater elasticity. Learn More Tuned® Prime™ Cement Spacer. Tuned® Prime™ Cement Spacer ,low,-crystalline silica cement spacer for effective mud removal. Learn …

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.

Fracturing Fluid Components - IntechOpen
Fracturing Fluid Components - IntechOpen

performance in ,low, pH fluids such as CO2 the ,molecular, structure of guar is chemically modified with Propylene Oxide to form HPG and with Monochloric Acetic Acid to form CMG or CMHPG. The chemical process is shown in Figure 6. When using Guar or its derivatives the ,fluid, …

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

The object of the paper is the prediction of ,flowback fluid, composition at a laboratory scale, for which a new approach is described. 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 ...

(398b) Fracturing Fluid Retention and its Effect on Fluid ...
(398b) Fracturing Fluid Retention and its Effect on Fluid ...

However, ,low, recovery of ,fracturing fluid, results in much chemical residual in microfractures, which is closely related to relative permeability near fracture, ,flowback, of ,fracturing fluid,, production rate, etc. Our work is to investigate the effect of ,fracturing fluid, residual on oil and water flux. 2.

Microbial communities in flowback water impoundments from ...
Microbial communities in flowback water impoundments from ...

Flowback, from the development of shale gas contains ,fracturing fluid, additives as well as suspended and dissolved constituents from the shale formation including high concentrations of salts and metals (Gregory et al., 2011; Barbot et al., 2013), dissolved and nonaqueous hydrocarbons, and in some locations naturally occurring radioactive material (NORM; Hill et al., 2004; Soeder & Kappel, 2009).

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

Combining all analysis results, the optimized formulation for recycling and reusing the ,flowback fluid, from this well/oilfield was found to be filtered ,flowback fluid, + 0.1 wt.% Gl-47S + 0.03 wt.% citric acid (tune pH value to 5) + 0.35 wt.% high-,molecular,-weight guar + 0.3 wt.% cross-linking regulator (tune pH value back to 9) + 0.36 wt.% cross-linking agent + 1 wt.% temperature stabilizing ...

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

Abstract. The object of the paper is the ,prediction of flowback fluid composition, at a laboratory scale, for which a new approach is described. 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 ...

Removal of organics from shale gas fracturing flowback ...
Removal of organics from shale gas fracturing flowback ...

Shale gas ,fracturing flowback fluid, contains various degradation difficulty organic compounds after hydraulic ,fracturing,. A hybrid treatment method was developed for treating ,flowback, and produced water (FPW) using pre-treatment (NaClO) followed by the expanded granular sludge bed (EGSB) and moving bed biofilm reactor (MBBR). Gas chromatography–mass spectrometry (GC-MS) was employed to ...

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

Combining all analysis results, the optimized formulation for recycling and reusing the ,flowback fluid, from this well/oilfield was found to be filtered ,flowback fluid, + 0.1 wt.% Gl-47S + 0.03 wt.% citric acid (tune pH value to 5) + 0.35 wt.% high-,molecular,-weight guar + 0.3 wt.% cross-linking regulator (tune pH value back to 9) + 0.36 wt.% cross-linking agent + 1 wt.% temperature stabilizing ...

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