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Treatment of acid wastewater from iron and steel industry by aeration neutralization process

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 acid wastewater from iron and steel industry by aeration neutralization process
Water for hydraulic fracturing - PetroWiki
Water for hydraulic fracturing - PetroWiki

15/1/2018, · Mechanism. Hydraulic ,fracturing, is the process of pumping ,fluid, into a wellbore at an injection rate too high for the formation to accept without breaking. During injection, the formation’s resistance to flow increases, and the pressure in the wellbore increases to a value called the break-down pressure, which is the sum of the in-situ compressive stress and the strength of the formation.

Fracking in the United States - Ballotpedia
Fracking in the United States - Ballotpedia

Hydraulic ,fracturing,, also known as fracking, is a method of oil and natural gas extraction.The process involves injecting ,fluid, into subterranean rock formations at high pressure. The high-pressure ,fluid, produces a fracture network that allows crude oil and natural gas inside dense rocks to flow into a wellbore and be extracted at the surface. The ,fluid, (known as frac ,fluid,) contains between ...

ACP - Identifying and quantifying source contributions of ...
ACP - Identifying and quantifying source contributions of ...

Flowback,, the flowing of gas, formation ,fluid,, and hydraulic ,fracturing fluid, up the wells to the surface, took place over 10–14 December, after which both wells were in production. A reduced emission completion (REC) was performed; gas produced during this time was captured using portable equipment brought on site that separates the gas from the liquids so that the gas can be retained as a ...

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

Environmental impact of hydraulic fracturing - Wikipedia
Environmental impact of hydraulic fracturing - Wikipedia

The environmental impact of hydraulic ,fracturing, is related to land use and water consumption, air emissions, including methane emissions, brine and ,fracturing fluid, leakage, water contamination, noise pollution, and health.Water and air pollution are the biggest risks to human health from hydraulic ,fracturing,. Research has determined that human health is affected.

The Defining Series: Basic Well Log Interpretation ...
The Defining Series: Basic Well Log Interpretation ...

The values for a, m and n are often based on the formation properties. After S w is computed, the log analyst can arrive at a hydrocarbon saturation by subtracting that value from 1.. Initially all logs were obtained from logging tools lowered into the well-bore using a logging cable.

Unconventional Oil and Natural Gas Development | US EPA
Unconventional Oil and Natural Gas Development | US EPA

Some drilling operators elect to re-use a portion of the wastewater to replace and/or supplement fresh water in formulating ,fracturing fluid, for a future well or re-,fracturing, the same well. Re-use of shale gas wastewater is, in part, dependent on the levels of pollutants in the wastewater and the proximity of other ,fracturing, sites that might re-use the wastewater.

Flowback cleanup mechanisms of post-hydraulic fracturing ...
Flowback cleanup mechanisms of post-hydraulic fracturing ...

This work investigates the ,fracturing fluid, cleanup mechanisms of ,post-hydraulic fracturing in unconventional, gas formations by studying a large number of wide-ranging parameters simultaneously. In this work, different scenarios of the cleanup operation of the hydraulic ,fracturing, …

Fracturing & Flowback Equipment | Schlumberger
Fracturing & Flowback Equipment | Schlumberger

Fracturing fluid, delivery and ,flowback, service. Improve ,fracturing, efficiency by delivering frac ,fluid, from the missile trailer to the wellbore and to ,flowback,. Field Services Fleet ... Protect the tubing spool or CT string and minimize surface risks during high-,volume,, high-pressure, and high-rate ,fracturing, …

International Journal of Oil Gas and Coal Technology ...
International Journal of Oil Gas and Coal Technology ...

Abstract: Hydraulic ,fracturing, is considered as an effective approach for the development of tight oil reservoirs. Unlike conventional reservoirs, after a large ,volume, injection of the ,fracturing fluid,, the ,flowback, rate in tight oil reservoirs is considerably lower whereas the underlying mechanism explaining water retention remains unclear.

Petropedia - What is Frac Flowback? - Definition from ...
Petropedia - What is Frac Flowback? - Definition from ...

The recovery ,volume, because of ,flowback, is approximately 20-40 percent after injection into the well for hydraulic ,fracturing,. ,Petropedia, explains ,Frac Flowback, When horizontal drilling and hydraulic ,fracturing, were not much developed, ,frac flowback, testing was performed in order to clean up the wellbore and its nearby reservoir rock areas.

Hydraulic Fracturing: Oil and Gas BMP Project
Hydraulic Fracturing: Oil and Gas BMP Project

Operators must disclose the total ,volume, of ,fluid, pumped, the maximum ingredient concentration in each additive, and the maximum ingredient concentration in the ,hydraulic fracturing fluid,. However, if the specific identity or concentration of a chemical is claimed to be a trade secret, the division does not require the reporting or disclosure of the chemical.

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 .

Biomineralization of hypersaline produced water using ...
Biomineralization of hypersaline produced water using ...

15/2/2021, · 1. Introduction. The success in shale oil and gas extraction has significant economic impacts for the United States. Still, there is an increasing public concern about the large quantities of produced water (PW) generated during the hydraulic ,fracturing, process and oil and gas production (Kondash and Vengosh, 2015; Scanlon et al., 2020).

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

In order to maximize ,flowback, of the ,fracturing fluid, to the surface and the ,volume, of proppants remaining in the fractures, this research determines the maximum flow velocity of the liquid based on the forces acting on proppant particles.

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

In this paper, Fe/Ni catalyst was successfully applied in the treatment of the ,flowback fluid, for the first time. The catalyst can improve the oxidation efficiency of electrolytic brine and reduce the viscosity ,of fracturing flowback, during the treatment process. The effect of the Fe/Ni proportion on the catalytic performance was studied.

Hydraulic fracturing - Wikipedia
Hydraulic fracturing - Wikipedia

Hydraulic fracturing,, also called fracking, fracing, hydrofracking, fraccing, frac'ing, and hydrofracturing, is a well stimulation technique involving the ,fracturing, of bedrock formations by a pressurized liquid. The process involves the high-pressure injection of "fracking ,fluid," (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore ...

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