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What are the substances that can be used to treat 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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What are the substances that can be used to treat acid wastewater
Study on the damage and control method of fracturing fluid ...
Study on the damage and control method of fracturing fluid ...

1/10/2020, · Hydraulic, fracturing technology, refers to the stimulation, treatment, that forming a sand-filled, fracture with, high conductivity inside the reservoir to improve the permeability by injecting into the reservoir, with fracturing fluid and, proppants (Fu et al., 2019; Vishkai et al., 2019).

Monitoring Fracturing Fluid Flowback and Optimizing ...
Monitoring Fracturing Fluid Flowback and Optimizing ...

This paper presents a novel technique where ,fracturing fluid flowback, can be effectively monitored in a complex multi-zone fracture system.

Implications of the Inorganic Geochemistry of Flowback ...
Implications of the Inorganic Geochemistry of Flowback ...

The chemistry of the ,flowback, water is a complex product of the volumes and chemistry of the injected completion ,fluid,, reservoir connate water, plus reactions that occur be-tween the fluids and the reservoir rock and tubulars. The ,flowback, fluids thus provide important data and insights relevant to optimizing reservoir completions, and recog-

Water Treatment Key to Hydraulic Fracturing's Future | Rigzone
Water Treatment Key to Hydraulic Fracturing's Future | Rigzone

A single well hydrofracture in the Marcellus may require two million to five million gallons ,of fracturing fluid,, of which an average of 25 percent may be returned to the surface as ",flowback," or ...

CN102161536A - Advanced treatment method for fracturing ...
CN102161536A - Advanced treatment method for fracturing ...

The invention discloses an advanced ,treatment, method for ,fracturing flow-back fluid,, belongs to the field of water ,treatment, of the development of oil and gas fields, and particularly relates to an advanced ,treatment, method for the ,fracturing flow-back fluid, generated during the operation of the oil and gas fields. The ,treatment, method for the ,fracturing flow-back fluid,, which has high effect ...

Minimum Effective Dose: A Study of Flowback and Produced ...
Minimum Effective Dose: A Study of Flowback and Produced ...

This paper outlines results from 15 months of ,flowback, and produced ,fluid, treatment for use as hydraulic ,fracturing fluid, in the Permian Basin in Texas and in New Mexico in the Delaware basin. It has been used on 177 wells and 3,075 stages in this area during the period, having been used to treat 21.7 million barrels of ,fluid,; 4.5 million barrels

Flowback Treatment - Engineering Solutions To ...
Flowback Treatment - Engineering Solutions To ...

The process can force about 460 Kgal ,of fracturing fluid, and some of the formation ,fluid, back to the surface as ,flowback, waste water[1]. These fluids can contain high concentrations of contaminants such as dissolved solids (salts), naturally occurring radioactive materials, and heavy metals, that can not be discharged into fresh water sources[2].

CN101805090A - Process for treating fracturing flow-back ...
CN101805090A - Process for treating fracturing flow-back ...

The invention discloses a process for treating the ,fracturing flow-back fluid, of an oil well. The process combines a microbial hydrolysis ,technology,, an electric flocculation ,technology, and a suspended sludge filtration ,technology,, enables the treated ,fracturing flow-back fluid, of an oil field to directly reach an A3 reinjection standard, can meet the reinjection requirement and solves the ...

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

Hydraulic ,fracturing, requires a large volume of fresh water, which is difficult and expensive to obtain in the desert area such as Tarim Basin. Currently, ,flowback fluid, is typically transported to the sewage treatment plant and then discharged after reaching environmental requirements; however, this is not only costly, but also a waste of water resource.

Monitoring Fracturing Fluid Flowback and Optimizing ...
Monitoring Fracturing Fluid Flowback and Optimizing ...

Proposal, The chemical, frac tracing technology, is used to evaluate, flowback and flowback, efficiency.This unique, technique, utilizes a family of environmentally friendly and, fracturing fluid, ...

Downhole Transformation of the Hydraulic Fracturing Fluid ...
Downhole Transformation of the Hydraulic Fracturing Fluid ...

Hydraulic ,fracturing fluid, (HFF) additives are used to enhance oil and gas extraction from unconventional shale formations. Several kilometers downhole, these organic chemicals are exposed to temperatures up to 200 °C, pressures above 10 MPa, high salinities, and a pH range from 5–8. Despite this, very little is known about the fate of HFF additives under these extreme conditions. Here ...

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 .

Polyacrylamide degradation and its implications in ...
Polyacrylamide degradation and its implications in ...

7/9/2018, · Membrane processes such as RO can provide treated water with a low ,TDS, and ... From ,flowback, to ,fracturing,: ... damage to natural fractures caused by ,fracturing fluid, polymers. (Society of ...

Oilfield Technology - April 2021 by PalladianPublications ...
Oilfield Technology - April 2021 by PalladianPublications ...

Oilfield Technology’s first issue of 2021 begins with a look at US tight oil’s prospects this year. The issue then moves on to cover completions technology, production forecasting, electric ...

High-Temperature Fracturing Fluids Using Produced Water ...
High-Temperature Fracturing Fluids Using Produced Water ...

Flowback, water usually refers to ,fracturing fluid, that flows back through the well that may account for part of the original ,fracturing fluid, volume. Broadly defined, produced water may refer to any unclean oilfield water (Li et al. 2010) including produced formation water, ,flowback, water, pit water, contaminated river water, etc. Produced water often contains high levels of salinity and hardness.

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