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What alkali is used to neutralize acid 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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What alkali is used to neutralize acid wastewater
Monitoring Fracturing Fluid Flowback and Optimizing ...
Monitoring Fracturing Fluid Flowback and Optimizing ...

Borrowing from many years of experience with interwell tracing, several families of non-radioactive chemical compounds were identified that could potentially be placed in segmented portions of the frac ,fluid, so as to more directly measure the ,flowback, efficiency of each ,fluid, segment. Armed with this ,flowback, profile data together with the net pressure history of the frac ,treatment,, it was believed that much could potentially be learned both about the dynamics of segmented ,fluid, …

Fracturing-Fluid Flowback Simulation with Consideration of ...
Fracturing-Fluid Flowback Simulation with Consideration of ...

On the basis of the above-mentioned hydrodynamic ,flowback, behavior for ,fracturing,-,fluid,, following physical assumptions are made: (1) the physical ,flowback, model is composed of four interconnected domains, i.e., W, F, f, and m (as shown in Figure 2); (2) f and m form a dual-porosity media, which directly link F, and all F connect to W; (3) a set of fine grids with high permeability is used to characterize F, …

MODEL REGULATORY FRAMEWORK FOR HYDRAULICALLY …
MODEL REGULATORY FRAMEWORK FOR HYDRAULICALLY …

1.7 “Base ,Fluid,” shall mean any ,fluid, type used in a particular hydraulic ,fracturing treatment,, including, but not limited to, water (including surface water, groundwater, produced water and recycled water) or nitrogen gas and foam fluids, and hydrocarbon gas.

Modelling of hydraulic fracturing process by coupled ...
Modelling of hydraulic fracturing process by coupled ...

of the ,fracturing, fluid and flowback fluids as well as the leakage of methane, which acts as a greenhouse gas, into the atmosphere. ,Flowback, fluid mainly consists of formation fluid and hydraulic ,fracturing, fluid thus there is a potential risk of contamination of freshwater resources if flowback fluid is allowed to flow uninhibited.

Flow-Back Hydraulic Fracture Treatment Water Composition ...
Flow-Back Hydraulic Fracture Treatment Water Composition ...

8/5/2017, · ,Flow-Back, Hydraulic Fracture ,Treatment, Water Composition – Rock-,Fluid, Interaction in the Montney Shale Controlled by Faults and Maturity Domain* Jean-Yves D. Chatellier. 1. Search and Discovery Article #42069 (2017)** Posted May 8, 2017 *Adapted from oral presentation given at 2017 AAPG Annual Convention & Exhibition, Houston, Texas, April 2-5, 2017

Treating Water From Hydraulic Fracturing
Treating Water From Hydraulic Fracturing

There’s a lot of water to treat. Hydraulic ,fracturing, requires between 3 million and 5 million gal of water per gas well. The water is combined with ,fracturing, chemicals and a sand or ceramic ...

Modeling and Simulation of Shale Fracture Attitude | ACS Omega
Modeling and Simulation of Shale Fracture Attitude | ACS Omega

After ,fracturing, operation, hydraulic fractures and induced fractures are created within the shale reservoir. A lot of ,treatment, water is stored in fractures network and ,flow back, into the surface during the gas recovery process. The gas prodn. performance is affected by the water ,flowback, because two phase flow occurs within fractures zone.

CLEANER FRACKING
CLEANER FRACKING

Fracturing, fluid Gas well ,Flowback, and produced water Transport Disposal well Analysis and ,treatment, • Chemical ,treatment, • Filters Reuse More ,treatment, • Desalination • Evaporation ...

Fracturing fluid characterization: State-of-the-art ...
Fracturing fluid characterization: State-of-the-art ...

The ,Fracturing Fluid, Characterization Facility (FFCF) has been established to provide the accurate prediction of the behavior of complex ,fracturing, fluids under downhole conditions. The primary focus of the facility is to provide valuable insight into the various mechanisms that govern the flow ,of fracturing, fluids and more » slurries through hydraulically created fractures.

Flow-Back Hydraulic Fracture Treatment Water Composition ...
Flow-Back Hydraulic Fracture Treatment Water Composition ...

8/5/2017, · The ,flowback, water salinity from well Y shows a high starting value that matches the late samples of well X and decreased before starting a normal increase with time . Sudden fresh water from well Y . a b . Interference from nearby hydraulic ,fracturing, . Cl . 12.5 days . Number of days . Well X Well Y . Saline water from well X in first water ...

Water Treatment in Unconventional Gas Production - Oil&Gas ...
Water Treatment in Unconventional Gas Production - Oil&Gas ...

More than 99 percent of the ,fracturing fluid, is water and sand, while other components such as lubricants and bactericides constitute the remaining 0.5 percent. This ,fracturing, mixture enters the well bore, and some of it returns as ,flowback, or produced water, carrying with it, in addition to the original materials, dissolved and suspended minerals and other materials that it picks up in the shale [2] .

Study of Fracturing Fluid on Gel Breaking Performance and ...
Study of Fracturing Fluid on Gel Breaking Performance and ...

1/10/2020, · Therefore, in field, the ,fracturing fluid flowback, time should be shortened as much as possible to reduce the soaking effect of the gel breaking ,fluid, on the proppant. (3) The damage of the conductivity caused by the crush and embedding of the proppant showed that the potential rock/,fluid, reaction between the gel breaking ,fluid, and the formation has a certain influence on the proppant …

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. ... Zero ,Flowback, Rate of Hydraulic ,Fracturing Fluid, in Shale Gas Reservoirs: Concept, Feasibility, and ... Amorphous CoS x Growth on CaTiO 3 Nanocubes Formed S-,Scheme, Heterojunction for Photocatalytic Hydrogen Production.

Water Consulting Services in Support of the Supplemental ...
Water Consulting Services in Support of the Supplemental ...

16/9/2009, · A portion of the ,fracturing fluid, returns to the surface as “,flowback,” ,fluid,, which requires appropriate ,treatment, and disposal. This report addresses the following topics related to Marcellus Shale operations: a. ,Fracturing fluid, additives b. ,Flowback, fluids c. Sufficiency of regulations and guidelines d. On-site ,flowback, fluids ,treatment, or recycling technologies e.

CN103910449A - Fracturing flow-back fluid treatment device ...
CN103910449A - Fracturing flow-back fluid treatment device ...

The invention discloses a ,fracturing flow-back fluid treatment, device, belonging to an oilfield wastewater ,treatment, device. The ,fracturing flow-back fluid treatment, device comprises a sewage lift pump, wherein a water outlet branch of the sewage lift pump is communicated with a ,fluid, inlet of an inclined-tube oil removal and sand setting device, an oil removal inclined-tube set is arranged in ...

Water Management for Hydraulic Fracturing in ...
Water Management for Hydraulic Fracturing in ...

In general, the water ,treatment, rate must be at least 5 to 7 bbl/min of water to justify the cost. Lower capacity will take too long, and the cost of on-site personnel will be too high. Thus, appropriate equipment in this stage of development is compact, simple, and relatively high capacity.

Cyclic soft stimulation (CSS): a new fluid injection ...
Cyclic soft stimulation (CSS): a new fluid injection ...

Advanced hydraulic stimulation designs Pressure, flow rate, ,fluid, volume, ,fluid, type, and injection ,scheme, are the main parameters that can be controlled during ,fluid, injection operations. One of the ,fluid, injection schemes that has the potential to reduce seismicity is cyclic injection (Zang et al. 2013, 2017, 2018).

FRACTURING FLUID CHARACTERIZATION FACILITY (Technical ...
FRACTURING FLUID CHARACTERIZATION FACILITY (Technical ...

The ,Fracturing Fluid Characterization Facility, (FFCF) has been established to provide the accurate prediction of the behavior of complex ,fracturing, fluids under downhole conditions. The primary focus of the facility is to provide valuable insight into the various mechanisms that govern the flow ,of fracturing, fluids and slurries through hydraulically created fractures.

Reutilization of thickener from fracturing flowback fluid ...
Reutilization of thickener from fracturing flowback fluid ...

1/1/2019, · For the VES-M based, fracturing fluid,, the thickener treatment can be replaced by surfactant recycling. After the surfactant been recycled, the residual liquid can be treated through base neutralization and desalting, which can further increase the efficiency of the process.

Flowback Fluids Treatment Technology with Water Recycling ...
Flowback Fluids Treatment Technology with Water Recycling ...

The ,scheme, of ,flowback fluid, cleaning and recovering technology will be reviewed along with a discussion of the results and an assessment of environmental impact, including all generated by-products. The presented technology is innovative due to the metal recovery, as well as purified water supply for hydraulic ,fracturing, process, which is significant contribution to reducing water consumption.

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