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Purification and removal of arsenic from 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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Purification and removal of arsenic from acid wastewater
NSF Award Search: Award # 1240584 - Routes to ...
NSF Award Search: Award # 1240584 - Routes to ...

The ,fracturing fluid, left in ground and the ,fracturing fluid, that returns to the surface (,flowback,), along with produced water, present risks to ground and surface waters. Natural gas extraction results in atmospheric emissions, particularly the release of greenhouse gases, oxides of nitrogen, and volatile organic compounds tied to the generation of ozone.

Characterizing microbial diversity in production water ...
Characterizing microbial diversity in production water ...

Arvind Murali Mohan, Angela Hartsock, Richard W. Hammack, Radisav D. Vidic and Kelvin B. Gregory, ,Microbial, communities in ,flowback, water impoundments from hydraulic ,fracturing, for recovery of shale gas, FEMS Microbiology Ecology, 86, 3, (567-580), (2013).

Hydraulic fracturing in the United Kingdom - Wikipedia
Hydraulic fracturing in the United Kingdom - Wikipedia

Flowback fluid, can be treated and reused in later hydraulic ,fracturing, operations, to reduce the volume of freshwater required and to mitigate issues arising from off-site disposal of ,flowback fluid,. ,Flowback fluid, injection in deep disposal wells, which has been linked to significant increase in earthquake rate, [36] is not currently permitted in the UK by the Environment Agency.

Method and materials for hydraulic fracturing of wells
Method and materials for hydraulic fracturing of wells

Hydraulic ,fracturing, of wells by injecting a degradable polymer phase as a ,fracturing fluid, is provided. Composition and degree of polymerization of the degradable polymer and the selection of additives may be varied to adjust the viscosity, degradation time and other properties of the ,fracturing fluid,. Viscous degradable ,fluid, or pellets of degradable polymer may be placed in a wellbore as an ...

METHOD OF TREATING FLOWBACK FLUID - Cimarron Energy Inc.
METHOD OF TREATING FLOWBACK FLUID - Cimarron Energy Inc.

A method of treating ,flowback fluid, comprising: introducing the ,flowback fluid, into a first stage vertical separator to produce a first gas stream, a liquid stream, and a solids stream; passing the first gas stream from the first stage vertical separator to a sales line; passing the liquid stream from the first stage vertical separator to a second stage horizontal separator with the pressure ...

(PDF) Environmental Management by Hydraulic Fracturing ...
(PDF) Environmental Management by Hydraulic Fracturing ...

That's because drill cuttings will ,be returned, back to their origin, deep beneath the Earth's surface.A sketch of basic setup and flow of DCRI process is shown in Figure 9. Drill cuttings and other ,oilfield, wastes are slurried by being milled and sheared in the presence of water.

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

The amount of water required for properly ,fracturing, a well ranges from 2 million to 4 million gallons per well (47,000-95,000 barrels per day) in the Barnett shale to more than 13 million gallons ...

Key Players: Meeting E&P Water Management Demands | Hart ...
Key Players: Meeting E&P Water Management Demands | Hart ...

Key’s ,fluid, management services include transportation of fluids used in the drilling and completion process as well as frac ,flowback, and produced water from completed or producing wellbores. For managing ,fluid, levels within its tank systems, the company equipped its disposal wells with a computer-controlled system for receiving produced water.

Understanding the Radioactive Ingrowth and Decay of ...
Understanding the Radioactive Ingrowth and Decay of ...

A 200-L drum of Marcellus Shale produced fluids was received at the SHL on 7 May 2013. The sample originated from a well that was horizontally drilled to a depth of 2,100 m and fractured with approximately 35,000 m 3 of hydraulic ,fracturing fluid, in early 2012.

Application of an integrated dissolved ozone flotation ...
Application of an integrated dissolved ozone flotation ...

The ,fracturing, wastewater (FWW) comes mainly from the ,fracturing fluid, that flows back to the surface from the wellbore during the ,fracturing, process (Shih et al. 2015).Hydraulic ,fracturing, is a technique used to extract oil or natural gas from impermeable host rocks, which involves horizontal drilling into rock formations and injection of high-pressure ,fracturing fluid, (Williams et al. 2017 ...

Search bacteria: Fracturing fluids and additives | SPE
Search bacteria: Fracturing fluids and additives | SPE

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Hydraulic Fracturing and its Effect on Frac Pump ...
Hydraulic Fracturing and its Effect on Frac Pump ...

Developed in the early 20th century and made commercially viable mid-century, hydraulic ,fracturing, is a vital process in the production of oil and natural gas in North America. Hydraulic ,fracturing, is used to stimulate production rates of hydrocarbons by increasing the exposed surface area of geological formations, allowing greater flow of the reserves into the well bore.

Fracturing fluids - ScienceDirect
Fracturing fluids - ScienceDirect

1/1/2015, · After the completion of the, fracturing, treatment, the, fluid, viscosity, should, decrease to allow the placement of the proppant and a rapid, fluid return, through the, fracture., It is important to control the time at which the viscosity break occurs.

(PDF) Chemical and isotope compositions of shallow ...
(PDF) Chemical and isotope compositions of shallow ...

Hydraulic ,fracturing, of shale deposits has greatly increased the productivity of the natural gas industry by allowing it to exploit previously inaccessible reservoirs. Previous research has demonstrated that this practice has the potential to

Surface Water Microbial Community Response to the Biocide ...
Surface Water Microbial Community Response to the Biocide ...

Production of unconventional oil and gas continues to rise, but the effects of high-density hydraulic ,fracturing, (HF) activity near aquatic ecosystems are not fully understood. A commonly used biocide in HF, 2,2-dibromo-3-nitrilopropionamide (,DBNPA,), was studied in microcosms of HF-impacted (HF+) versus HF-unimpacted (HF−) surface water streams to (i) compare the ,microbial, community response ...

Hydraulic fracturing in the United Kingdom - Wikipedia
Hydraulic fracturing in the United Kingdom - Wikipedia

Flowback fluid, can be treated and reused in later hydraulic ,fracturing, operations, to reduce the volume of freshwater required and to mitigate issues arising from off-site disposal of ,flowback fluid,. ,Flowback fluid, injection in deep disposal wells, which has been linked to significant increase in earthquake rate, [36] is not currently permitted in the UK by the Environment Agency.

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