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Acid wastewater reuse equipment

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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Acid wastewater reuse equipment
Fracture Characterization Using Flowback Water Transients ...
Fracture Characterization Using Flowback Water Transients ...

In the process of fracturing fluid flowback, water flows into the horizontal wellbore from F under the hydraulic pressure difference. Hydraulic, osmotic, and capillary forces induce water flow between f and m, while only osmotic pressure is not considered in the flow of water between F and f.

Hydraulic Fracturing Flowback Water Chemical Composition ...
Hydraulic Fracturing Flowback Water Chemical Composition ...

Schlimm, Helen and (ALLARM), Alliance for Aquatic Resource Monitoring, "Hydraulic ,Fracturing Flowback, Water Chemical Composition Research" (2015). Student Scholarship & Creative Works By Year .

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

Owing to the application of this method, the on-site water resource utilization ratio has been increased and environmental protection pressure concerned with fracturing operation has been relieved. In 2014, field tests were performed in 62 wells of 10 well groups, with 32980 m3 cumulative treated flowback fluid, 17160 m3 reutilization volume and reutilization ratio over 70%.

Modeling Fracture Fluid Cleanup in Hydraulic Fractures ...
Modeling Fracture Fluid Cleanup in Hydraulic Fractures ...

The retention of ,fracturing fluid, in a proppant pack reduces the dimensionless fracture conductivity, F cd, resulting in poor well productivity regardless of ,fluid, type (gelled oil, crosslinked polymers, viscoelastic surfactants, or foams).Analytical expressions derived in this paper can be used to calculate the extent of fracture clean up, ?*, under a set of production conditions.

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

The fracturing fluid applied in the field contained approximately 0.35 wt.% high-molecular-weight guar, 0.36 wt.% cross-linking agent (i.e., organic borate), 0.7 wt.% cross-linking regulator (i.e., alkali), 1 wt.% temperature stabilizing agent (i.e., antioxidant), 1 wt.% flowback surfactant, 1 wt.% demulsifier, and traces of other additives.

Fracture Characterization Using Flowback Water Transients ...
Fracture Characterization Using Flowback Water Transients ...

Fracturing-fluid flowback in hydraulically fractured gas shale is a complicated transport behavior involving hydrodynamic (H), mech. (M) and chem. (C) processes. Although, many flowback models have been published, none of the models flly coupled the transient fluid flow modeling with chem.-potential equil. and fracture closure phenomena.

Hydraulic Fracturing and Flow-back Simulation in ...
Hydraulic Fracturing and Flow-back Simulation in ...

secondary-main fracture permeability ,ratio,: 1/4; conductivity ,ratio,: 1/8)..... 37 Figure 2-17 Cumulative oil production of three scenarios at different fracture conductivities in the ,ratio, of one-half........................................................................................................... 39

Elucidating water contamination by fracturing fluids and ...
Elucidating water contamination by fracturing fluids and ...

with ,fracturing, fluids/,flowback, water 0.71600 with ,fracturing, fluids/,flowback, water 0.71400 0.71500 Catskill Fm a tio 0.71300 r/ 86 Sr ra 0.71200 Marcellus Shale 87 Sr 0 71000 0.71100 Utica Shale Fracking ,fluid, (day 0) A lower 87Sr/ Sr for 0.71000 10 100 1000 10000 100000 1000000 10000000 g(y) Strontium (μg/L) non-mixed ,fracturing, fluids

Elucidating water contamination by fracturing fluids and ...
Elucidating water contamination by fracturing fluids and ...

with ,fracturing, fluids/,flowback, water 0.71600 with ,fracturing, fluids/,flowback, water 0.71400 0.71500 Catskill Fm a tio 0.71300 r/ 86 Sr ra 0.71200 Marcellus Shale 87 Sr 0 71000 0.71100 Utica Shale Fracking ,fluid, (day 0) A lower 87Sr/ Sr for 0.71000 10 100 1000 10000 100000 1000000 10000000 g(y) Strontium (μg/L) non-mixed ,fracturing, fluids

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

The fracturing fluid applied in the field contained approximately 0.35 wt.% high-molecular-weight guar, 0.36 wt.% cross-linking agent (i.e., organic borate), 0.7 wt.% cross-linking regulator (i.e., alkali), 1 wt.% temperature stabilizing agent (i.e., antioxidant), 1 wt.% flowback surfactant, 1 wt.% demulsifier, and traces of other additives.

Optimization of Fracturing Fluid Flowback Based on Fluid ...
Optimization of Fracturing Fluid Flowback Based on Fluid ...

The purpose of frac ,fluid flowback, is to outflow the ,fracturing fluid, and prevent the proppant backflow, which determines the effect of ,fracturing fluid flowback,. The ,fracturing, treatment in field lacks relevant theoretical models for prediction. Therefore, this work focuses on establishing the ,flowback, model of hydraulic ,fracturing, for multilayer fractured wells.

Hydraulic Fracturing and Flow-back Simulation in ...
Hydraulic Fracturing and Flow-back Simulation in ...

secondary-main fracture permeability ,ratio,: 1/4; conductivity ,ratio,: 1/8)..... 37 Figure 2-17 Cumulative oil production of three scenarios at different fracture conductivities in the ,ratio, of one-half........................................................................................................... 39

Main controlling factors of fracturing fluid imbibition in ...
Main controlling factors of fracturing fluid imbibition in ...

The dimensionless fracture width is the ratio of the fracture width to the rock length, which is inversely proportional to the flowback efficiency. Smaller value of the dimensionless fracture width corresponds to larger contact area of fracturing fluid and shale, leading to a lower flowback efficiency.

Optimization of Fracturing Fluid Flowback Based on Fluid ...
Optimization of Fracturing Fluid Flowback Based on Fluid ...

Optimization of ,Fracturing Fluid Flowback, Based on ,Fluid, Mechanics for Multilayer Fractured Tight Reservoir January 2014 Advanced Materials Research 886:448-451

Fracture mechanics - PetroWiki
Fracture mechanics - PetroWiki

20/6/2017, · Dealing with and exploiting ,fracturing, of rock has been part of mining engineering for hundreds of years, but the analysis of fracture of rock or other materials has only developed into an engineering discipline since the mid 1940s .In petroleum engineering, ,fracture mechanics, theories have been used for more than 50 years.

Chemicals in Hydraulic Fracturing
Chemicals in Hydraulic Fracturing

Large volumes of water are injected under pressure to fracture the formation and to release entrapped gas bubbles. The gas is subsequently collected at the surface together with the ,flowback, (the reemerging ,fracturing fluid,) and formation water (the emerging geogenic ,fluid,). For process optimization multiple chemical additives are employed.

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