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Treatment of fracturing flowback fluid by coagulation

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 fracturing flowback fluid by coagulation
Case study Identifying proppant backflow zones enhances ...
Case study Identifying proppant backflow zones enhances ...

was fluid inflow at zones 1 and 2, but not at zone 3. Proppant backflow was identified exactly where the operator had conducted hydraulic fracturing, which is a clear indication that the fracture was not working as per the design intent. Hence the hydraulic fracturing needed complete reassessment and re-design.

Study on proppant backflow during flowback of fracturing ...
Study on proppant backflow during flowback of fracturing ...

After oil wells fracturing,process of fracturing ,fluid, flowback always exists,and the ,back, flow of ,proppant, during this process is a major factor in evaluating fracturing performance,so it is necessary to study the relative problem.According to the mass conservation law and Bernoulli’s equation,a calculation model of flow velocity at any vertical section inside the fracture is established ...

Study on proppant backflow during flowback of fracturing ...
Study on proppant backflow during flowback of fracturing ...

After oil wells ,fracturing,,process of ,fracturing fluid, flowback always exists,and the ,back flow, of ,proppant, during this process is a major factor in evaluating ,fracturing, performance,so it is necessary to study the relative problem.According to the mass conservation law and Bernoulli’s equation,a calculation model of flow velocity at any vertical section inside the fracture is established ...

Proppant backflow: Mechanical and flow considerations ...
Proppant backflow: Mechanical and flow considerations ...

DOE PAGES Journal Article: ,Proppant backflow,: Mechanical and flow considerations. ,Proppant backflow,: Mechanical and flow considerations. Full Record; Other Related Research; Authors: McLennan, J.; Search DOE PAGES for author "McLennan, J." Search DOE PAGES for ORCID "0000-0002-6663-5063"

Proppant backflow: Mechanical and flow considerations ...
Proppant backflow: Mechanical and flow considerations ...

Proppants, are then pumped into the newly created, fracture, with viscous, fracturing fluid, as a carrier. Once initiated, the, fracture, propagates as additional, fracturing fluid, is injected. Following the release of the, fracturing, pressure, the, proppants, hold the, fracture, open and provide a conductive channel through which the reservoir, fluids flow, to the wellbore. more » Only vertical fractures are considered here.

Tracking Fracture Fluid Movement with Chemical and Gamma ...
Tracking Fracture Fluid Movement with Chemical and Gamma ...

• ,Fluid, tracers in ,backflow, ... for complex ,fracturing, and very unusual ,fluid, behavior. ... In this first example case, the available assessment information includes chemical ,fluid, tracer (CFTs), ,proppant, tracers (“100” mesh sand) ...

PROPPANT AND FORMATION TREATMENT METHOD USING A PROPPANT …
PROPPANT AND FORMATION TREATMENT METHOD USING A PROPPANT …

The ,proppant, and ,fracturing fluid, form a slurry that is pumped into the well and into the fracture network. By pumping, the pad and the ,proppant, slurry are displaced to the opening of the fracture ... the ,backflow, of ,fluid, out of the fracture may tend to problematically displace the ,proppant, back into the wellbore, termed flowback.

PROPPANT MATERIAL AND FORMATION HYDRAULIC FRACTURING …
PROPPANT MATERIAL AND FORMATION HYDRAULIC FRACTURING …

In U.S. Pat. No. 5,330,005, a method of controlling proppant backflow from an underground formation is disclosed wherein the addition of fiber materials to the mixture used for hydraulic fracturing and to the well gravel-packed filter reduces proppant backflow and/or the production of fine grained grit in the packing, thus stabilizing the packing and reducing the consumption of high polymer fluids.

Proppant backflow: Mechanical and flow considerations ...
Proppant backflow: Mechanical and flow considerations ...

1/9/2015, · Similarly, back-producing proppant into a wellbore can happen as a consequence of any intentional or unintentional flowback, which may occur after hydraulic fracturing, during pressure redistribution when wells are shut in [e.g., a water hammer during a hard shutdown can send a pressure pulse into and subsequently out of a fracture (Santarelli et al., 2011)], and during production).

Case study Identifying proppant backflow zones enhances ...
Case study Identifying proppant backflow zones enhances ...

was fluid inflow at zones 1 and 2, but not at zone 3. Proppant backflow was identified exactly, where the operator had conducted hydraul,ic, fracturing, which, is, a clear indication that the fracture was not working as per the design intent., Hence the hydraulic fracturing needed …

Getting Frac Fluid Rheology Right! » rheonics ...
Getting Frac Fluid Rheology Right! » rheonics ...

Hydraulic fracturing (also called as fracking, fracing, hydrofracturing) involves high-pressure injection of ‘fracing fluid’ (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore to create cracks in the deep-rock formations through which natural gas, petroleum, and brine will flow more freely.

Investigation of a critical choke during hydraulic ...
Investigation of a critical choke during hydraulic ...

However, if the fracturing fluid flowback velocity is too high, it will result in proppant backflow. Therefore, a reasonable flowback velocity and optimized choke will benefit the design of the fracturing fluid flowback system. Proppant backflow directly affects the results of hydraulic fracturing construction.

Experimental Investigation on the Factors Affecting ...
Experimental Investigation on the Factors Affecting ...

Proppant flowback mainly occurs in the early stage of fracturing fluid flowback; more than 75% of the flowback volume of the proppant was carried by 33.33% of the fracturing fluid flowback volume. The weight of the flowback proppant decreases as the flowback fracturing fluid viscosity decreases. Using a larger particle size proppant or upon increasing effective closure pressure also can decrease the …

Multiphase Technologies Increase Production Rates ...
Multiphase Technologies Increase Production Rates ...

Liquid handling is a frequent problem in the production of wet gas reservoirs and liquids-rich unconventional formations. With liquid-logged wells, removing liquids from the production tubing string can be a major task. Additionally, ,flowback, water streams after hydraulic ,fracturing, need to be addressed to stabilize production.

[PDF] Proppant backflow: Mechanical and flow ...
[PDF] Proppant backflow: Mechanical and flow ...

Abstract One of the concerns of using ,proppant, in geothermal wells, and particularly in enhanced geothermal systems, is ,proppant, flowback. Particulate ,proppant, maintain post-closure conductivity in hydraulically opened fractures. If that ,proppant, is displaced from the near-wellbore region, either due to overflushing during stimulation or flowback to the wellbore at any time, the reduced ...

Proppant backflow: Mechanical and flow considerations ...
Proppant backflow: Mechanical and flow considerations ...

1/9/2015, · Similarly, back-producing proppant into a wellbore can happen as a consequence of any intentional or unintentional flowback, which may occur after hydraulic fracturing, during, pressure redistribution, when wells are shut in [e.g., a water hammer during a hard shutdown can send a pressure pulse into and subsequently out of a fracture (Santarelli et al., 2011)], and during production).

Influence of the backflow velocity of fracturing fluid on ...
Influence of the backflow velocity of fracturing fluid on ...

Considering ,proppant,'s motion characteristic in fissures during ,fracturing,,a mathematical model was established.The process of ,backflow, of ,fracturing fluid, and ,proppant, was simulated.The simulation proved that the velocity of the ,backflow fracturing fluid, has great influence on the ,proppant backflow, volume and distribution in the fracture.The ,proppant backflow, volume increases gradually with ...

Numerical NAICS Code List 2017 | Class Codes
Numerical NAICS Code List 2017 | Class Codes

311511 ,Fluid, milk substitutes processing 311511 Homogenizing milk 311511 Milk based drinks (except dietary) manufacturing 311511 Milk drink, chocolate, manufacturing 311511 Milk pasteurizing 311511 Milk processing (e.g., bottling, homogenizing, pasteurizing, vitaminizing) manufacturing 311511 Milk substitutes manufacturing

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