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COD reduction of acidic organic 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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COD reduction of acidic organic wastewater
Reasons for the low flowback rates of fracturing fluids in ...
Reasons for the low flowback rates of fracturing fluids in ...

Natural Gas Industry B (2018-02-01) . Reasons for the low ,flowback, rates ,of fracturing, fluids in marine shale

Experimental Investigation on EOR and Flowback Rate of ...
Experimental Investigation on EOR and Flowback Rate of ...

In this work, the main mechanism, the the system energy enhancement, and ,flowback rate, of CO 2 as pre-,fracturing fluid, are investigated. Firstly, the microscopic mechanism of CO 2 ,fracturing, was studied, and the effects of CO 2 on pores and rock minerals were analyzed by …

Review of Treatment Methods for Fracturing Flowback Fluid ...
Review of Treatment Methods for Fracturing Flowback Fluid ...

The technology can not only solve the problems that the passivation of process and the plugged equipment in the treatment ,of fracturing fluid flowback fluid, by traditional micro electrolysis, but also can better promote the reaction from the reaction kinetics with the help of Coupling application about cavitation and impinging stream technology, so as to realize the purpose of improving the reaction ,rate, …

Flowback Fluid’s - We Are Solving One Of Oil & Gas ...
Flowback Fluid’s - We Are Solving One Of Oil & Gas ...

There are major water requirements needed during the entire process of completing each well. For every barrel of crude recovered, up to 7 barrels of water is produced in the form of ,Flowback, Water. This ,Flowback, Water has the potential of becoming the primary source of water needed in both drilling and the completion of the well.

Chemical Tracer Flowback Data Help Understanding of Fluid ...
Chemical Tracer Flowback Data Help Understanding of Fluid ...

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 194362, “Understanding ,Fracturing,-,Fluid, Distribution of an Individual ,Fracturing, Stage From Chemical Tracer ,Flowback, Data,” by Wei Tian and Alex Darnley, SPE, ResMetrics; Teddy Mohle, SPE, and Kyle Johns, Contango Oil and Gas; and Chris Dempsey, ResMetrics, prepared for the 2019 SPE Hydraulic ,Fracturing, …

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

Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH value, high chemical oxygen demand (COD), high corrosiveness and complex components. Surface discharge without treatment may contaminate the environment. However, wastewater treatment after centralized transportation has poten …

Fracturing Fluid Components - IntechOpen
Fracturing Fluid Components - IntechOpen

The use of post frac ,flowback, water is becoming ... These materials are added to the ,fracturing fluid, to increase the viscosity. ... (<60°F) because the ,rate, of solution for the buffer packages can be affected. Guar emulsified in mineral oil as a 50% active material is also commonly used. Figure 3.

FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...
FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...

A flowback aid may be included in the fracturing fluid to reduce capillary pressure and water blocks, thereby improving the kinetics of the flowback and preventing or minimizing the leaving-behind of any substantial amount of the fracturing fluid. Flowback aids, such as surfactants, have also been shown to aid in the “clean-up” of the proppant pack, thereby accelerating the flow of hydrocarbons through the …

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

Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH value, high chemical oxygen demand (COD), high corrosiveness and complex components. Surface discharge without treatment may contaminate the environment. However, wastewater treatment after centralized transportation has poten …

Hydraulic fracturing - Wikipedia
Hydraulic fracturing - Wikipedia

During the process, fracturing fluid leakoff (loss of fracturing fluid from the fracture channel into the surrounding permeable rock) occurs. If not controlled, it can exceed 70% of the injected volume. This may result in formation matrix damage, adverse formation fluid interaction, and altered fracture geometry, thereby decreasing efficiency.

Establishing and Solving a Model for Matching Fracturing ...
Establishing and Solving a Model for Matching Fracturing ...

Fracturing flowback rate, is one of the most important parameters to evaluate ,fracturing, effects. While calculation ,of fracturing flowback rate, is always lack of theoretical model to predict, it is always been solved by accumulation of filed ,fluid, after ,fracturing, finished in oil filed. In order to tackle this problem, a great deal of work has been done to establish a model for solving ...

Fracturing fluids and additives - PetroWiki
Fracturing fluids and additives - PetroWiki

16/4/2020, · Reduced %-,flowback,-water recovery (due to imbibement ,of fracturing fluid, in complex fracture network far from wellbore). Limitation to fine-mesh propping agents (due to reduced ability of nonviscous fluids in transport of large proppants).

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 simulation effect and the higher the gas production rates.

Model for Fracturing Fluid Flowback and Characterization ...
Model for Fracturing Fluid Flowback and Characterization ...

While in hydraulic fractures in conventional reservoirs most of the injected ,fracturing fluid, flows back quickly, field observations have reported that load recovery from shale gas wells occurs over a long period, and in some shale formations only a small fraction of total injected ,fluid, is recovered.

Fracturing fluids and additives - PetroWiki
Fracturing fluids and additives - PetroWiki

16/4/2020, · Reduced %-,flowback,-water recovery (due to imbibement ,of fracturing fluid, in complex fracture network far from wellbore). Limitation to fine-mesh propping agents (due to reduced ability of nonviscous fluids in transport of large proppants).

Review of Treatment Methods for Fracturing Flowback Fluid ...
Review of Treatment Methods for Fracturing Flowback Fluid ...

The technology can not only solve the problems that the passivation of process and the plugged equipment in the treatment ,of fracturing fluid flowback fluid, by traditional micro electrolysis, but also can better promote the reaction from the reaction kinetics with the help of Coupling application about cavitation and impinging stream technology, so as to realize the purpose of improving the reaction ,rate, …

Chemical Tracer Flowback Data Help Understanding of Fluid ...
Chemical Tracer Flowback Data Help Understanding of Fluid ...

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 194362, “Understanding ,Fracturing,-,Fluid, Distribution of an Individual ,Fracturing, Stage From Chemical Tracer ,Flowback, Data,” by Wei Tian and Alex Darnley, SPE, ResMetrics; Teddy Mohle, SPE, and Kyle Johns, Contango Oil and Gas; and Chris Dempsey, ResMetrics, prepared for the 2019 SPE Hydraulic ,Fracturing, …

Structure For Fluid Flowback Control Decision Making And ...
Structure For Fluid Flowback Control Decision Making And ...

Based on the collected information, it can be determined whether to perform ,fluid flowback, during the fracture closure stage following a treatment stage of the ,fracturing, operation. Based on the determination, a ,rate, of the ,fluid flowback, can be adjusted and …

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