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How to reduce sludge in acid wastewater dephosphorization

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 reduce sludge in acid wastewater dephosphorization
The Effect of Fracturing Fluid Saturation on Natural Gas ...
The Effect of Fracturing Fluid Saturation on Natural Gas ...

Hydraulic ,fracturing, becomes an essential ,method, to develop tight ,gas,. Under high injection pressure, ,fracturing fluid, entering into the formation will reduce the flow channel. To investigate the influence of water saturation on ,gas, flow behavior, this study conducted the ,gas, relative permeability with water saturation and the flow rate with the pressure gradient at different water saturations.

Proppant flowback control additives (Conference) | OSTI.GOV
Proppant flowback control additives (Conference) | OSTI.GOV

Resin coated proppants (RCPs) have been used to prevent proppant flowback for several years in the hydraulic fracturing of oil and gas wells. Proppant flowback problems, however, still exist with the commercially available RCPs and several operators report failures around the …

Proppant flowback control additives (Conference) | OSTI.GOV
Proppant flowback control additives (Conference) | OSTI.GOV

Resin coated proppants (RCPs) have been used to prevent proppant flowback for several years in the hydraulic fracturing of oil and gas wells. Proppant flowback problems, however, still exist with the commercially available RCPs and several operators report failures around the …

Diverting Acid Fracturing for Carbonate Reservoirs
Diverting Acid Fracturing for Carbonate Reservoirs

Southwest ,Oil, & ,Gas, Field, PetroChina 9 Jidong Oilfield, PetroChina 9 Iran Yadavaran Oilfield 5 Syria South Adegan Oilfield 8 Tishrine Oilfield 3 Ahdeb Oilfield 55 Industrial Application Diverting acid ,fracturing, has been applied 677 well-times for carbonate reservoirs in 10 ,oil and gas fields, in China, including Tarim, Changqing, Huabei ...

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

Therefore, it is imperative to understand the potential interactions between ,fracturing fluid, and reservoir rock, and then find solutions to reuse the ,flowback, water for subsequent ,fracturing,. In this study, once ,flowback fluid, was directly collected from the field, its chemical compositions were analyzed; then, filtering, decoloring, and chelating methods were chosen to effectively remove or shield the …

Hydraulic Fracturing; Environmental Issue
Hydraulic Fracturing; Environmental Issue

fracturing, is a process to stimulate a natural ,gas,, ,oil,, or geothermal energy well to maximize the extraction. The broader process, however, is defined by EPA as including the acquisition of source water, well construction, well stimulation, and waste disposal.[39] A hydraulic fracture is formed by pumping the ,fracturing fluid, into the wellbore at a

Foam Fracturing: New Stimulation Edge in Western Siberia ...
Foam Fracturing: New Stimulation Edge in Western Siberia ...

A hydraulic ,fracturing treatment, based on foam as the main proppant carrier ,fluid, effectively reduces the amount of liquid pumped overall, provides better ,fluid,-loss control and aids in post-,treatment flowback,. Foam ,fracturing, causes less damage to the formation and proppant pack, therefore improving the productivity of the well.

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

Therefore, it is imperative to understand the potential interactions between ,fracturing fluid, and reservoir rock, and then find solutions to reuse the ,flowback, water for subsequent ,fracturing,. In this study, once ,flowback fluid, was directly collected from the field, its chemical compositions were analyzed; then, filtering, decoloring, and chelating methods were chosen to effectively remove or shield the …

Operators See Range of Options for Treating Flowback Water
Operators See Range of Options for Treating Flowback Water

Cold lime softening is the preferred method to reduce scaling, in part because it can also reduce bacteria and TSS. Ion exchange and nanofiltration are useful for municipal treatment systems, but less practical for oil and gas operators because the nature of flowback water changes abruptly.

Diverting Acid Fracturing for Carbonate Reservoirs
Diverting Acid Fracturing for Carbonate Reservoirs

Southwest ,Oil, & ,Gas, Field, PetroChina 9 Jidong Oilfield, PetroChina 9 Iran Yadavaran Oilfield 5 Syria South Adegan Oilfield 8 Tishrine Oilfield 3 Ahdeb Oilfield 55 Industrial Application Diverting acid ,fracturing, has been applied 677 well-times for carbonate reservoirs in 10 ,oil and gas fields, in China, including Tarim, Changqing, Huabei ...

PEH:Hydraulic Fracturing - PetroWiki - Oil&Gas
PEH:Hydraulic Fracturing - PetroWiki - Oil&Gas

26/4/2017, · Since that first ,treatment, in 1947, hydraulic ,fracturing, has become a common ,treatment, for stimulating the productivity of ,oil and gas, wells. Hydraulic ,fracturing, is the process of pumping a ,fluid, into a wellbore at an injection rate that is too great for the formation to accept in a radial flow pattern.

Foam Fracturing: New Stimulation Edge in Western Siberia ...
Foam Fracturing: New Stimulation Edge in Western Siberia ...

A hydraulic ,fracturing treatment, based on foam as the main proppant carrier ,fluid, effectively reduces the amount of liquid pumped overall, provides better ,fluid,-loss control and aids in post-,treatment flowback,. Foam ,fracturing, causes less damage to the formation and proppant pack, therefore improving the productivity of the well.

Processing and Recycling of Waste Flowback Fracturing ...
Processing and Recycling of Waste Flowback Fracturing ...

Hydraulic ,fracturing, is extensively used in the petroleum industry to enhance well productivity. However, the discharge of ,flowback fracturing, fluids after ,fracturing, brings out significant environmental challenges. ,Flowback, fluids usually contain p

Summary of Chapter 2: Hydraulic Fracturing Oil and Gas ...
Summary of Chapter 2: Hydraulic Fracturing Oil and Gas ...

Fracking technically is a term referring to the short-term process of cracking and fracturing rock to access the gas; a typical treatment being two to ten days during which fluids are injected into the well to cause fracturing. It is the period of most activity at a well site during its existence.

The Effect of Fracturing Fluid Saturation on Natural Gas ...
The Effect of Fracturing Fluid Saturation on Natural Gas ...

Hydraulic ,fracturing, becomes an essential ,method, to develop tight ,gas,. Under high injection pressure, ,fracturing fluid, entering into the formation will reduce the flow channel. To investigate the influence of water saturation on ,gas, flow behavior, this study conducted the ,gas, relative permeability with water saturation and the flow rate with the pressure gradient at different water saturations.

Hydraulic Fracturing; Environmental Issue
Hydraulic Fracturing; Environmental Issue

fracturing, is a process to stimulate a natural ,gas,, ,oil,, or geothermal energy well to maximize the extraction. The broader process, however, is defined by EPA as including the acquisition of source water, well construction, well stimulation, and waste disposal.[39] A hydraulic fracture is formed by pumping the ,fracturing fluid, into the wellbore at a

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