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Waste water under acid condition

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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Waste water under acid condition
The Research and Application on Fracturing Technology of ...
The Research and Application on Fracturing Technology of ...

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Shales Leaching Modelling for Prediction of Flowback Fluid ...
Shales Leaching Modelling for Prediction of Flowback Fluid ...

Flowback fluid, differs significantly from the ,fracturing fluid,, as it contains suspended fine rocks as a result of the leaching process, reservoir water, drilling muds, and also various chemical substances, such as dissolved solids (e.g., chlorides, sulfates, etc., measured as total dissolved solids or TDS), suspended solid particles (TSS), bacteria, metals (e.g., calcium, magnesium, barium ...

Study Examines Underground Chemical Reaction in Hydraulic ...
Study Examines Underground Chemical Reaction in Hydraulic ...

15/2/2018, · During the hydraulic ,fracturing, process, thousands of gallons of chemicals are mixed with water to create hydraulic ,fracturing fluid,, which is then used to separate natural gas from shale rock formations. As the hydraulic ,fracturing fluid, travels deep underground, it is subjected to temperatures of up to 200 ⁰C, ,high, pressure, ,high, concentrations of salt,…

Primexx achieves over 50% chemical cost reduction using ...
Primexx achieves over 50% chemical cost reduction using ...

Reduce ,fracturing fluid, costs without sacrificing production. ... these methods lack critical experimental parameters required to be representative of a fractured shale system such as ,high temperature,, ,high, pressure, repeatable porous media, and representative nano-confinement. ... Interface ,Flowback, Screening Technology Overview .

Benefits of Energized Solutions in Fracturing
Benefits of Energized Solutions in Fracturing

based ,fracturing, fluids, the majority of the water is never recovered. Energizing the ,fracturing fluid, with CO₂ or N₂ will improve the total ,flowback, volume and rate, as well as, when foamed, significantly lower the total and liquid leak-off coefficient⁴, minimizing ,fluid, retention.

Environmental impact of hydraulic fracturing in the United ...
Environmental impact of hydraulic fracturing in the United ...

Flowback, is the portion of the injected ,fracturing fluid, that flows back to the surface, along with oil, gas, and brine, when the well is produced. An estimated 90% of ,flowback, in the United States is disposed of into deep EPA-licensed Class II disposal wells , with the remaining less than 10% reused, evaporated, used for irrigation, or discharged to surface streams under an NPDES permit.

Reuse of Flowback Fluids as Hydraulic Fracturing Fluids in ...
Reuse of Flowback Fluids as Hydraulic Fracturing Fluids in ...

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Exploring the Hydraulic Fracturing Parameter Space: A ...
Exploring the Hydraulic Fracturing Parameter Space: A ...

Hydraulic ,fracturing, coupled with horizontal drilling (HDHF) involves the deep-well injection of a ,fracturing fluid, composed of diverse and numerous chemical additives designed to facilitate the release and collection of natural gas from shale plays. Analyses of ,flowback, wastewaters have revealed or …

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.

(PDF) Experimental study on influencing factors of acid ...
(PDF) Experimental study on influencing factors of acid ...

Foamed acid is a specific ,fluid, with high viscosity, low ,fluid, loss, small friction resistance, good retarding property, strong fracture making ability, easy ,flowback, and low damage, which is an ...

Experimental study on influencing factors of acid ...
Experimental study on influencing factors of acid ...

1/6/2015, · Analysis of acid fracturing influencing factors The two most important factors that affect the acid fracturing effects are, acid effective distance, and acid-etched fracture conductivity. Effective fracture length is influenced by, acid filtration property,,, acid-rock reaction speed, acid, flow, velocity in the cracks, as well as, acid, type.

Recycling Fracturing Flowback Water for Use in Hydraulic ...
Recycling Fracturing Flowback Water for Use in Hydraulic ...

The, destabilizing influence of organic matter, on carboxyl methyl cellulose (CMC) gelled fracturing-fluid viscosity is thought to be caused by secondary crosslinking of the short-chain polymer residuals in the flowback, resulting in lower initial viscosity and stability.

fracturing fluid interactions - UCL Discovery
fracturing fluid interactions - UCL Discovery

24 The use of hydraulic ,fracturing, techniques to extract oil and gas from low 25 permeability shale reservoirs has increased significantly in recent years. During hydraulic 26 ,fracturing,, large volumes of water, often acidic and oxic, are injected into shale 27 formations. This drives ,fluid,-rock interaction that can release metal contaminants (e.g.,

Investigation of the Factors Influencing the Flowback ...
Investigation of the Factors Influencing the Flowback ...

Based on the established model and fitted capillary pressure, the flowback behavior and relevant influencing factors of the shale gas were investigated. The results show that the flowback ratio is inversely proportional to the clay content of the shale., A high salinity fracturing fluid or a surfactant solution can increase the flowback ratio.

Distinguished Lecturer Slides and Graphics
Distinguished Lecturer Slides and Graphics

Many ,factors, lead to this state of affair; technically, a fundamental difficulty is that reservoir heterogeneity at multiple scales may have strong effect on ,fluid, flows. This lecture presents an analysis of the challenge and possible resolutions.

Description: Experimental investigation of shale ...
Description: Experimental investigation of shale ...

Experimental investigation of shale imbibition capacity and the ,factors influencing, loss of hydraulic ,fracturing, fluids . Spontaneous imbibition of water-based frac- turing fluids into the shale matrix is considered to be the main mechanism responsible for the high volume of water loss during the ,flowback, …

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