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How to deal with acid waste water with alkali

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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How to deal with acid waste water with alkali
Enhanced bioremediation of hydraulic fracturing flowback ...
Enhanced bioremediation of hydraulic fracturing flowback ...

1/10/2020, · Hydraulic ,fracturing, (HF) is one of the main techniques to enhance oil and natural gas production by injecting ,fracturing fluid, into shales to hydraulically extend the fracture networks [1]. The ,flowback, fluids returned from the HF process is called hydraulic ,fracturing flowback, and produced water (HF-FPW) [2].

Removal of organic compounds from shale gas flowback water
Removal of organic compounds from shale gas flowback water

Several authors reported high biodegradability of ,fracturing fluid, components, including poly(ethylene glycol) surfactants and biocide glutaraldehyde (Kekacs et al., 2015; McLaughlin et al., 2016; Mouser et al., 2016). However, the ,degradation, of compounds was studied in ,fracturing, fluids, which composition is very different from FPW.

Evaluating Interactions of Fracturing Fluids and ...
Evaluating Interactions of Fracturing Fluids and ...

Evaluating Interactions of Fracturing Fluids, and ,Degradation, Products with Radionuclidesand ,Degradation, Products with Radionuclides ... (,acid, drainage and radionuclide mobilization issues) ... concentrations in samples collected at varying stages of fracture ,fluid flowback, in the field could ...

Search fracturing fluid: Penetration rate | SPE
Search fracturing fluid: Penetration rate | SPE

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CN104724860A - Fracturing flow-back fluid treatment method ...
CN104724860A - Fracturing flow-back fluid treatment method ...

The invention discloses a ,fracturing flow-back fluid, treatment method. The treatment method comprises the following steps: pretreating: adding a certain amount of flocculant and emulsion breaker in the ,flow-back fluid, to perform flocculation oil removing, and filtering; oxidizing: adding a certain amount of oxidant in the pre-treated effluent to perform the oxidation treatment; …

Shales Leaching Modelling for Prediction of Flowback Fluid ...
Shales Leaching Modelling for Prediction of Flowback Fluid ...

Flowback fluid, differs significantly from the ,fracturing fluid,, as it contains suspended fine rocks as a result of the leaching process, reservoir water, drilling muds, and also various chemical substances, such as dissolved solids (e.g., chlorides, sulfates, etc., measured as total dissolved solids or TDS), suspended solid particles (TSS), bacteria, metals (e.g., calcium, magnesium, barium, strontium), iron compounds, …

Evaluation of Hydraulic Fracturing (Fracking) Plays for ...
Evaluation of Hydraulic Fracturing (Fracking) Plays for ...

Flowback, refers to ,fluid, returning to the surface ,after, hydraulic ,fracturing, has occurred, but before the well is placed into production. ,After, the well has been placed into production, the ,fluid, returned to the surface is called produced water. Collectively, these fluids are termed hydraulic ,fracturing, wastewater.

Environmental Damage - an overview | ScienceDirect Topics
Environmental Damage - an overview | ScienceDirect Topics

Conventional exploration requires less water to stimulate a well; however, both conventional and unconventional oil and gas development can generate substantial amounts of wastewater in the production phase. 49 ,After, the completion of the stimulation process in a production well, the pressurized ,fluid, is released allowing the water to ,flowback, into a storage tank as the well is put in …

Polyacrylamide in hydraulic fracturing fluid causes severe ...
Polyacrylamide in hydraulic fracturing fluid causes severe ...

15/8/2018, · ,Synthetic flowback water, was obtained by reacting the, synthetic fracturing fluid, with 25 g/L shale at 80 ℃ and 83 bar for 24 h simulating downhole conditions encountered in natural gas reservoirs. The variation in these conditions across different gas formations can be large [29] , and its impact on polyacrylamide, degradation, was investigated previously.

Hydraulic Fracturing of Rock Formations Part 1 ...
Hydraulic Fracturing of Rock Formations Part 1 ...

1/9/2019, · Proppant related degradation of the fracture conductivity can be caused by flowback, mechanical failure of the proppant grains, chemical damage or dissolution from the additives, and proppant embedment. The shape and size of the proppant is important because shape and size influence the final permeability through the fracture.

Common Hydraulic Fracturing Fluid Additives Alter the ...
Common Hydraulic Fracturing Fluid Additives Alter the ...

Iron-reducing organisms have been shown to play a role in the biodegradation of a wide range of organic compounds, and so to evaluate their response to UOG wastewater, we enriched anaerobic microbial communities from sediments collected upstream (background) and downstream (impacted) of an UOG wastewater injection disposal facility in the presence of hydraulic ,fracturing fluid, (HFF) additives: guar …

The Defining Series: Formation Damage | Schlumberger
The Defining Series: Formation Damage | Schlumberger

Formation damage is a condition most commonly caused by wellbore fluids used during drilling, completion and workover operations. It impairs the permeability of reservoir rocks, thereby reducing the natural productivity of reservoirs. Formation damage can adversely affect both drilling operations and production, which directly impacts economic ...

Eclipse Git repositories
Eclipse Git repositories

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Treatment and recycling of acidic fracturing flowback fluid
Treatment and recycling of acidic fracturing flowback fluid

Request PDF | Treatment and recycling of acidic ,fracturing flowback fluid, | Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH …

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).

POST-FRACTURING TREATMENTS DESIGN TO REDRESS THE …
POST-FRACTURING TREATMENTS DESIGN TO REDRESS THE …

Polymer Degraded in the ,Fracturing Fluid,. Tests were performed using linear gel suspensions and filter cake. The linear gel was prepared using guar gum -the most common polymer used in water- based ,fracturing fluid,- in KCl 1% w/v brine. The filter cake was obtained from the filtration of cross-linked ,fracturing fluid, through a ceramic disc.

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

Download MS PowerPoint Slide. 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.

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

Polymers in the ,flowback fluid, can be in different states of solution and have significantly different molecular weights from the polymers that were pumped downhole. In many cases, a breaking agent is used to reduce polymer viscosity, which promotes HF ,fluid, flow from the fracture and helps the proppant stay in place during ,flowback,.

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