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Acid wastewater discharged from factories

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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Acid wastewater discharged from factories
Fracturing fluids for delayed flow back operations - CREWS ...
Fracturing fluids for delayed flow back operations - CREWS ...

The ,fracturing fluid, composition gel is substantially broken after ,fracturing, has taken place. The broken ,fracturing fluid, composition is then left in the formation for a relatively extended period of time, in one non-limiting example, at least 28 days. Subsequently the ,fracturing fluid, composition is …

Characteristics of Frac Flowback Water & Technologies
Characteristics of Frac Flowback Water & Technologies

•Re-use of ,flowback, and produced water •Tervita is developing “Closed Loop” systems to re-use ,flowback, water •Treatment of ,flowback, and produced water •Tervita water treatment technologies minimize environmental impact •Understanding resource availability •Brackish water can be treated for use to minimize freshwater use 15

Hydraulic fracturing - OilfieldWiki
Hydraulic fracturing - OilfieldWiki

Hydraulic fracturing, is a well stimulation technology used to maximize the extraction of underground resources; including oil, natural gas, geothermal energy, and even water by ,fracturing, the formation to create enhanced pathways for the fluids to ,flow, into gathering wells. ,Hydraulic fracturing, is mostly utilized by the oil and gas industry to enhance and sometime enable shale oil and gas ...

CONTROL OF HEIGHT GROWTH IN HYDRAULIC FRACTURING
CONTROL OF HEIGHT GROWTH IN HYDRAULIC FRACTURING

Hydraulic ,fracturing, is a process by which a ,fluid,, proppant and additives are pumped into tight formations like shale at high pressures creating cracks or opening wider already existing ones enabling easier ,flow, of hydro carbons into the well bore and finally to the surface facilities.

Fracturing fluids and additives - PetroWiki
Fracturing fluids and additives - PetroWiki

16/4/2020, · Fracturing fluids are pumped into the well to create, conductive fractures, and bypass, near-wellbore damage, in hydrocarbon-bearing zones. The net result is an expansion in the productive surface-area of the reservoir, compared to the unfractured formation.

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

1/11/2015, · According to the characteristics of the fracturing flowback fluid, and for purpose of enhancing the recovery and reuse efficiency of flowback fluid, a processed water quality standard with total suspended particle content as the main control index for new recoverable fracturing flowback fluid system has been set up,,, by which the performance, of fracturing fluid will not be affected, and, formation damage will not increased, …

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 …

Characteristics of Frac Flowback Water & Technologies
Characteristics of Frac Flowback Water & Technologies

•Re-use of ,flowback, and produced water •Tervita is developing “Closed Loop” systems to re-use ,flowback, water •Treatment of ,flowback, and produced water •Tervita water treatment technologies minimize environmental impact •Understanding resource availability •Brackish water can be treated for use to minimize freshwater use 15

Model for Fracturing Fluid Flowback and Characterization ...
Model for Fracturing Fluid Flowback and Characterization ...

A large volume of ,fracturing fluid, that may include slick water and various sorts of additives is injected into shale formations along with proppant to create hydraulic fractures which define a stimulated shale volume a shale gas well will actually drain.

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

Common chemical additives in ,fracturing fluid, are often surfactants [7,34,36,37,38]. Generally, they are intended to increase the viscosity of ,fracturing fluid, to allow it to propagate within the target formation. An anionic surfactant that is added in ,fracturing fluid, mixture is Internal Olefin Sulfate (IOS) [34].

(PDF) Study on fracturing flowback fluid treatment ...
(PDF) Study on fracturing flowback fluid treatment ...

PDF | Shale gas ,fracturing flowback fluid, has the characteristics of high viscosity, large displacement, complex components and difficult to deal with.... | Find, read and cite all the research ...

Effect of Inorganic Ions in Flow-back Fliud on Water-based ...
Effect of Inorganic Ions in Flow-back Fliud on Water-based ...

In the process of ,fracturing, operation,lots of ,fracturing flow back, waste water is generated.How to prepare ,fracturing fluid, with waste water is of great significant in environmental protection and energy conservation.But there are many high valence cations such as Ga2+or Mg2+and many anions such as SO42- or Cl-,which may affect properties of ,fracturing fluid,.By means of evaluating different ...

FLOW CHANNEL FRACTURING SERVICE: A NEW PARADIGM FOR …
FLOW CHANNEL FRACTURING SERVICE: A NEW PARADIGM FOR …

the ,Schlumberger, HiWAY* ,flow,-channel hydraulic ,fracturing, technique, which engineers stable ,flow, channels in the frac proppant pack, creating “highways” for hydrocarbon ,flow, throughout the fractures and ,back, to the well bore. With the HiWAY service, oil and gas rates are decoupled from the actual permeability of the proppant pack. Rather

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

Water Management for Hydraulic Fracturing in ...
Water Management for Hydraulic Fracturing in ...

HF flowback fluid contains a combination of produced, water,, HF, fluids, hydrocarbon liquids, and dissolved minerals from contact of the injected fluids with, the reservoir rock, proppant, and solids from the reservoir, and solids resulting from mineral precipitation.

Monitoring Fracturing Fluid Flowback With Chemical Tracers ...
Monitoring Fracturing Fluid Flowback With Chemical Tracers ...

Chemical frac tracers, CFT, are used to precisely calculate ,flowback, and hence ,flowback, efficiency. The process is simple, yet significant. Various chemical tracers with unique chemical characteristics are mixed at a known concentration with frac ,fluid, stages, that is pad, low concentration proppant, high concentration proppant, etc., and are injected with each stage of frac fluids.

Redistribution of fracturing fluid in shales and its ...
Redistribution of fracturing fluid in shales and its ...

1/2/2021, · The fracturing fluid entering the shale reservoir leads to the, reduction of the gas permeability of shale, to a certain extent, especially for the imbibition time longer than the inflection point of the resistivity change in our work, and that way the fracturing fluid should be flowback earlier. So the shut-in time should be controlled reasonably.

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