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Common neutralizing agents for 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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Common neutralizing agents for acid wastewater
Fracturing flowback fluids from shale gas wells in western ...
Fracturing flowback fluids from shale gas wells in western ...

1/4/2021, · Understanding the behavior and composition of ,fracturing flowback, water (FFW) can provide insight into in situ water–rock interactions, assessment of …

Study on the effect of gas-shale reservoir special ...
Study on the effect of gas-shale reservoir special ...

Abstract: Compared with the conventional reservoir,the complicated property of gas-shale reservoir has a more significant influence on ,fracturing fluid, recovery efficiency(RE) and production performance(PP).A numerical simulation model about early gas-water two-phase flow is established based on the typical data to study the effects of reservoir properties on RE and PP,such as subirreducible ...

New study shows gas workers could be exposed to dangerous ...
New study shows gas workers could be exposed to dangerous ...

28/8/2014, · New study shows gas workers could be exposed to ,dangerous, levels ... during a hydraulic ,fracturing, operation at an ... exposures of workers who monitor ,flowback fluid, at well sites in ...

Study on the effect of gas-shale reservoir special ...
Study on the effect of gas-shale reservoir special ...

Abstract: Compared with the conventional reservoir,the complicated property of gas-shale reservoir has a more significant influence on ,fracturing fluid, recovery efficiency(RE) and production performance(PP).A numerical simulation model about early gas-water two-phase flow is established based on the typical data to study the effects of reservoir properties on RE and PP,such as subirreducible ...

GEO ExPro - Solving Hydraulic Fracturing ‘Controversies’
GEO ExPro - Solving Hydraulic Fracturing ‘Controversies’

Hydraulic ,fracturing, has unlocked a vast, ... that reduce friction between the ,fluid, and the pipe and are also used for water treatment, laxatives and candy; crosslinkers (borate salts) to maintain ,fluid, viscosity ... “Fraccing with particles of different sizes, often the case when using sand as the proppant, can slow ,flowback,,” Dr. Barron ...

Reasons for the low flowback rates of fracturing fluids in ...
Reasons for the low flowback rates of fracturing fluids in ...

Based on the experimental and field data, ,fracturing fluid flowback, rates and gas production rates of 9 wells were analyzed. It is indicated that the same block follows an overall trend, namely, the lower the ,flowback, rates, the more developed the micro fractures, the better the volume stimulation effect and the higher the gas production rates.

Investigation of the Factors Influencing the Flowback ...
Investigation of the Factors Influencing the Flowback ...

The ,flowback, behavior of hydraulic fractured horizontal well in shale gas reservoir is relatively different from that of conventional reservoirs. Therefore, it is necessary to inv

Search fracturing fluid: Methods to determine pore ...
Search fracturing fluid: Methods to determine pore ...

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Evaluation of shale gas well fracturing performance based ...
Evaluation of shale gas well fracturing performance based ...

Evaluation of shale gas well ,fracturing, performance based on ,flowback, water production data WANG Yanyan 1 , 2 ,LIU, Hua 1 , 2 WANG Weihong 1 , 2 HU Xiaohu 1 , 2 GUO Yandong 1 , 2 DAI Cheng 1 , 2 (1.Petroleum Exploration & Production Research Institute, SINOPEC, Beijing City, China 100083)

Fracturing fluid retention in shale gas reservoirs ...
Fracturing fluid retention in shale gas reservoirs ...

Multistage ,fracturing, of horizontal wells is the main development technology to stimulate shale gas reservoirs, and tens of thousands of cubic meters of fluids are injected into the reservoir. Retention and ,flowback, of ,fracturing, fluids on gas transfer plays an important role on the effect of hydraulic ,fracturing,.

Stress redistribution in multi-stage hydraulic fracturing ...
Stress redistribution in multi-stage hydraulic fracturing ...

The initiation and propagation of hydraulic fractures will cause stress redistribution and may activate natural fractures in the reservoir. Due to the limitation of the analytical method in calculation of induced stresses, we propose a numerical method, which incorporates the interaction of hydraulic fractures and the wellbore, and analyzes the stress distribution in the reservoir under ...

Fracturing fluid retention in shale gas reservoirs ...
Fracturing fluid retention in shale gas reservoirs ...

Multistage ,fracturing, of horizontal wells is the main development technology to stimulate shale gas reservoirs, and tens of thousands of cubic meters of fluids are injected into the reservoir. Retention and ,flowback, of ,fracturing, fluids on gas transfer plays an important role on the effect of hydraulic ,fracturing,.

Application of recycling technology for fracturing ...
Application of recycling technology for fracturing ...

To solve the problems such as considerable water consumption and increasing waste ,fluid, pollution during unconventional reservoir ,fracturing, transformation process,a new method was studied on the use of ,fracturing flowback fluid, for re-preparing ,fracturing fluid, after chemical treatment.Taking the ,fracturing flowback fluid, in Changqing Oilfield as an example,the effects of the main mineral ...

[PDF] Flowback patterns of fractured shale gas wells ...
[PDF] Flowback patterns of fractured shale gas wells ...

Abstract Shale gas reservoirs generally need to be fractured massively to reach the industrial production, however, the ,flowback, ratio of fractured shale gas wells is low. In view of this issue, the effects of natural fracture spacing, fracture conductivity, ,fracturing, scale, pressure coefficient and shut-in time on the ,flowback, ratio were examined by means of numerical simulation and ...

Impact of fracturing liquid absorption on the production ...
Impact of fracturing liquid absorption on the production ...

The shut-in after hydraulic ,fracturing, is beneficial to gas production and can reduce water production for certain shale gas reservoir. Cited as : Shen, Y., Ge, H., Zhang, X., Chang, L., ,Liu,, D., ,Liu,, J. Impact of ,fracturing, liquid absorption on the production and water-block unlocking for shale gas reservoir.

Fracturing flowback fluids from shale gas wells in western ...
Fracturing flowback fluids from shale gas wells in western ...

1/4/2021, · Understanding the behavior and composition of ,fracturing flowback, water (FFW) can provide insight into in situ water–rock interactions, assessment of …

Hydraulic fracturing water use variability in the United ...
Hydraulic fracturing water use variability in the United ...

A U.S. map of water volumes used to hydraulically fracture oil and gas wells, 2011–2014 Hydraulic ,fracturing, water volumes differ regionally across the U.S. Discussion of variation in water use and...

Geochemical processes during hydraulic fracturing: a water ...
Geochemical processes during hydraulic fracturing: a water ...

Various environmental problems related to ,flowback fluid, have recently become a concern for hydraulic ,fracturing, during shale gas production. Detailed studies on the geochemical reactions during hydraulic ,fracturing, are performed for the Lower Silurian Longmaxi shale formation, Fuling block, Sichuan basin, SW China, through water-rock interaction experiment conducted under reservoir conditions ...

[PDF] Flowback patterns of fractured shale gas wells ...
[PDF] Flowback patterns of fractured shale gas wells ...

Abstract Shale gas reservoirs generally need to be fractured massively to reach the industrial production, however, the ,flowback, ratio of fractured shale gas wells is low. In view of this issue, the effects of natural fracture spacing, fracture conductivity, ,fracturing, scale, pressure coefficient and shut-in time on the ,flowback, ratio were examined by means of numerical simulation and ...

Microbial Remediation of Guar-Based Fracturing Fluid ...
Microbial Remediation of Guar-Based Fracturing Fluid ...

Abstract As the development of unconventional oil and gas reservoirs, hydraulic ,fracturing, has become a critical component. However, formation damage is always impeding the application of hydraulic ,fracturing,. A remediation method is presented that

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