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There is Cr in an 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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There is Cr in an acid wastewater
Case Study: Frac Water Reuse Technologies
Case Study: Frac Water Reuse Technologies

Flowback, water is the initial ,fluid, produced after hydraulic ,fracturing, and is typically recovered during the first six weeks of well production. The ,flowback, water characteristics stem from the initial source water, the natural formation brine, ,fracturing fluid, …

Western Australian Onshore Gas Code of Practice for ...
Western Australian Onshore Gas Code of Practice for ...

Guideline 5 – ,Fluid flowback, and produced fluids containment The aim of this guideline is to ensure that post-fracture stimulation clean-up ,flowback, or produced fluids cannot come into contact with Production Aquifers or pollute soil or soil substrate. For example: • All recovered hydraulic ,fracturing, fluids will be isolated in sealed

Western Australian Onshore Gas Code of Practice for ...
Western Australian Onshore Gas Code of Practice for ...

Guideline 5 – ,Fluid flowback, and produced fluids containment The aim of this guideline is to ensure that post-fracture stimulation clean-up ,flowback, or produced fluids cannot come into contact with Production Aquifers or pollute soil or soil substrate. For example: • All recovered hydraulic ,fracturing, fluids will be isolated in sealed

Fracturing for Unconventional Oil and Gas
Fracturing for Unconventional Oil and Gas

Fracturing, for Unconventional Oil and Gas Nitrogen-assisted ,fracturing, treatments Nitrogen gas fracking is used for water-sensitive and brittle shale formations because it prevents clay swelling that would otherwise be caused by water-based treatments.

CAPP HYDRAULIC FRACTURING GUIDING PRINCIPLES AND OPERATING …
CAPP HYDRAULIC FRACTURING GUIDING PRINCIPLES AND OPERATING …

• ,Fracturing, fluids, produced water, ,flowback, and ,fracturing fluid, waste will be stored in a manner which restricts wildlife in the area from accessing it. • Spent ,fracturing, fluids, produced water, ,flowback, and ,fracturing fluid, waste will be safely disposed of at approved waste management facilities, including disposal wells.

Can Produced Or Flowback Water Be Reused As Fracturing Fluid?
Can Produced Or Flowback Water Be Reused As Fracturing Fluid?

At the time of writing, several ,fluid, tests and permeability regain analysis have been performed successfully using produced water. The system should address many of the issues that multizone ,fracturing, has presented and eventually could result in: Availability at the well site of a produced or ,flowback, water treatment system for reuse;

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 …

Hydraulic Fracturing 101 - Earthworks
Hydraulic Fracturing 101 - Earthworks

Volatile organic constituents have been shown to be present in ,fracturing fluid flowback, wastes at levels that exceed drinking water standards. For example, testing of ,flowback, samples from Texas have revealed concentrations of 1,2-Dichloroethane at 1,580 ppb, which is more than 316 times EPA’s Maximum Contaminant Level for 1,2-Dichloroethane in drinking water .

CAPP HYDRAULIC FRACTURING GUIDING PRINCIPLES AND OPERATING ...
CAPP HYDRAULIC FRACTURING GUIDING PRINCIPLES AND OPERATING ...

• ,Fracturing, fluids, produced water, ,flowback, and ,fracturing fluid, waste will be stored in a manner which restricts wildlife in the area from accessing it. • Spent ,fracturing, fluids, produced water, ,flowback, and ,fracturing fluid, waste will be safely disposed of at approved waste …

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

requirements, are proposed to improve the long-term productivity after hydraulic ,fracturing,. Fracture cleanup after hydraulic ,fracturing, is an important factor to impacting long-term production forecasting. It plays a significant role in optimizing ,flowback, of a ,fracturing fluid, to maintain the optimal conductivity in hydraulic fractures.

MODEL REGULATORY FRAMEWORK FOR HYDRAULICALLY …
MODEL REGULATORY FRAMEWORK FOR HYDRAULICALLY …

2.3 Permit Application ,Requirements,. ... fluids (including produced fluids generated during ,flowback,, swabbing or other processes), or the off-site transport, ... 1.19 “Hydraulic ,fracturing fluid,” shall mean the ,fluid, used to perform a particular

CAPP HYDRAULIC FRACTURING GUIDING PRINCIPLES AND OPERATING ...
CAPP HYDRAULIC FRACTURING GUIDING PRINCIPLES AND OPERATING ...

commonly sand, added to the ,fracturing fluid, and pumped into the open fractures to prop them open once the ,fracturing, pressures are removed. RECYCLE: The process of treating ,flowback, or produced water to allow it to be reused either for hydraulic ,fracturing, or for another purpose. REUSE: The process of using water multiple times

Treatment of high viscosity fracturing flowback by ...
Treatment of high viscosity fracturing flowback by ...

With the increasing application of hydraulic ,fracturing, technology in exploration of tight oil and shale gas, the treatment of accompanying ,fracturing flowback, fluids has become more urgent. Fe/Ni catalyst was successfully applied in the treatment of the ,flowback fluid, for the first time in this paper.

Hydraulic Fracturing 101 - Earthworks
Hydraulic Fracturing 101 - Earthworks

Volatile organic constituents have been shown to be present in ,fracturing fluid flowback, wastes at levels that exceed drinking water standards. For example, testing of ,flowback, samples from Texas have revealed concentrations of 1,2-Dichloroethane at 1,580 ppb, which is more than 316 times EPA’s Maximum Contaminant Level for 1,2-Dichloroethane in drinking water .

Waste Management Related to Hydraulic Fracturing | Crude ...
Waste Management Related to Hydraulic Fracturing | Crude ...

Hydraulic ,fracturing, is often performed in stages, and following each stage, some fluids return to the surface as ,fracturing fluid, returns (',flowback,'). ... states have been developing and updating legislation and regulations in light of the increase in the use of hydraulic ,fracturing,, including ,requirements, related to waste management.

Environmental life cycle analysis of water and CO2-based ...
Environmental life cycle analysis of water and CO2-based ...

All three scenarios trace the life of the ,fracturing fluid, through transport and storage, including upstream material acquisition, the ,fracturing, process, ,flowback,, and production. The major assumptions and relevant inputs for Monte Carlo simulations are summarized in Tables S2-S8. Applications of these inputs are explained in sections 2-7.

Management of Saline Fluids for Hydraulic Fracturing Guideline
Management of Saline Fluids for Hydraulic Fracturing Guideline

The Management of Saline ,Fluid, for Hydraulic ,Fracturing, Guideline is a reference document for oil and gas permit holders detailing the ,requirements, and expectations for siting, design, construction, operation, and decommissioning of lined containment systems used for …

MODEL REGULATORY FRAMEWORK FOR HYDRAULICALLY …
MODEL REGULATORY FRAMEWORK FOR HYDRAULICALLY …

2.3 Permit Application ,Requirements,. ... fluids (including produced fluids generated during ,flowback,, swabbing or other processes), or the off-site transport, ... 1.19 “Hydraulic ,fracturing fluid,” shall mean the ,fluid, used to perform a particular

Treatment of high viscosity fracturing flowback by ...
Treatment of high viscosity fracturing flowback by ...

With the increasing application of hydraulic ,fracturing, technology in exploration of tight oil and shale gas, the treatment of accompanying ,fracturing flowback, fluids has become more urgent. Fe/Ni catalyst was successfully applied in the treatment of the ,flowback fluid, …

Flow-back Water Treatment Device | Haimo Technologies
Flow-back Water Treatment Device | Haimo Technologies

References:《GuarFracturing ,Fluid flowback, water recycling and reuse quality standard》Q/SY CQ 3559-2015 Technical Characteristics: a).Wide application range, strong impact resistance, it can handle different kinds of ,flowback, water formed by different ,fracturing, systems and different ,fracturing, processes to ensure that the output water quality meets the ,requirements, of re-injection or ...

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