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How to deal with acidic wastewater containing phosphorus

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 deal with acidic wastewater containing phosphorus
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.

ePosters - SPE Asia Pacific Hydraulic Fracturing ...
ePosters - SPE Asia Pacific Hydraulic Fracturing ...

A New Acid ,Fracturing Fluid, System for High Temperature Deep Well Carbonate Reservoir . Y. ,Gao,, S. Lian, X. Yang, Y. Shi, F. Li, X. Li, X. Han, RIPED. 181819: 3D Analytical Model for Multi-Fractured Horizontal Wells in Tight Sand Reservoir with Threshold Pressure Gradient

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.

Agenda - SPE Asia Pacific Hydraulic Fracturing Conference ...
Agenda - SPE Asia Pacific Hydraulic Fracturing Conference ...

A New Acid ,Fracturing Fluid, System for High Temperature Deep Well Carbonate Reservoir Y. ,Gao,, S. Lian, Y. Shi, X. Yang, RIPED; F. Zhou, China University of Petroleum(Beijing); C. Xiong, F. Li, X. Han, N. Zhang, RIPED: 1615-1700: 181819

Modelling the Apparent Viscosity of Water Confined in ...
Modelling the Apparent Viscosity of Water Confined in ...

Abstract. The viscosity of nanoconfined ,fluid, is a crucial parameter for evaluating the ,flow back, of the ,fracturing fluid, in unconventional reservoirs. Generally, the viscosity is an intrinsic property defined as the internal friction among ,fluid, molecule themselves. However, the effect of the ,fluid,/pore-wall interaction on the viscosity of ,fluid, ...

Synthesis and Application of a Hydrophobically Associating ...
Synthesis and Application of a Hydrophobically Associating ...

Fracturing, fluids formulated with AAMS-1 have good viscoelasticity, sand carrying capacity, and permeability protection performance. Water solution of 0.6% AAMS-1 sheared at 150℃ and 170 s-1 for 2 h had residue viscosity not less than 50 mPa·s, indicating that AAMS-1 had satisfactory shearing stability and high temperature stability.

ePosters - SPE Asia Pacific Hydraulic Fracturing ...
ePosters - SPE Asia Pacific Hydraulic Fracturing ...

A New Acid ,Fracturing Fluid, System for High Temperature Deep Well Carbonate Reservoir . Y. ,Gao,, S. Lian, X. Yang, Y. Shi, F. Li, X. Li, X. Han, RIPED. 181819: 3D Analytical Model for Multi-Fractured Horizontal Wells in Tight Sand Reservoir with Threshold Pressure Gradient

A masking method used for the boron crosslinker remained ...
A masking method used for the boron crosslinker remained ...

In order to treat the boron crosslinker remained in the back flow of guar ,fracturing fluid, so as to recycle the back flow, the complexation of polyalcohol and α-hydroxyl carboxylate on boric acid was investigated, and three efficient ligands were screened out, including mannitol, xylitol and sodium gluconate. Then, their masking effects on residual boron crosslinker were experimentally compared.

Modelling the Apparent Viscosity of Water Confined in ...
Modelling the Apparent Viscosity of Water Confined in ...

Abstract. The viscosity of nanoconfined ,fluid, is a crucial parameter for evaluating the ,flow back, of the ,fracturing fluid, in unconventional reservoirs. Generally, the viscosity is an intrinsic property defined as the internal friction among ,fluid, molecule themselves. However, the effect of the ,fluid,/pore-wall interaction on the viscosity of ,fluid, ...

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)

Genetic Analysis and Countermeasures for Foreign Body of ...
Genetic Analysis and Countermeasures for Foreign Body of ...

In view of returned gel and ,flowback, of foreign body of ,fracturing, in the reservoir of Fengcheng Formation in Wuxia Fault Belt of Junggar Basin in Xinjiang Oilfield,the genesis was analyzed.It was found out in the study that the unidentified object was the mixture of guar gum and inorganic salt,,flowback fluid, was strong alkaline,and rich in mineral ion from the formation.The reason was that ...

戴彩丽研究室
戴彩丽研究室

16. Dai C , Wang K , Liu Y , et al. Reutilization of ,Fracturing Flowback, Fluids in Surfactant Flooding for Enhanced Oil Recovery[J]. Energy & Fuels, 2015, 29(4):2304-2311. 17. Dai, C., Wang, S., Li, Y., et al.The first study of surface modified silica nanoparticles in pressure-decreasing application[J].

Polyacrylamide degradation and its implications in ...
Polyacrylamide degradation and its implications in ...

7/9/2018, · High molecular weight (106–3 × 107 Da) ,polyacrylamide, (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a …

Progress in Shale Gas Reservoir Fracturing Study and its ...
Progress in Shale Gas Reservoir Fracturing Study and its ...

A water saving SRV ,fracturing, program for shale gas stimulation is presented based on data survey, and it is suggested that the ,flowback, fluids be purified and treated in accordance with the type and application of the ,fracturing fluid, formulated with the liquid from the used ,fracturing, fluids, thus reducing the treatment cost of the ,flowback, fluids.

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)

Energy & Fuels | Vol 35 No 7 - American Chemical Society
Energy & Fuels | Vol 35 No 7 - American Chemical Society

A Review on Detailed Kinetic Modeling and Computational ,Fluid, Dynamics of Thermochemical Processes of Solid Fuels. Cheolyong Choi, ... Zero ,Flowback, Rate of Hydraulic ,Fracturing Fluid, in Shale Gas Reservoirs: Concept, Feasibility, and Significance. Lijun You, ... ,Yan, Song, Fenglin ,Gao,,

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