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Coagulant for fracturing flowback fluid

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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Coagulant for fracturing flowback fluid
POST-FRACTURING TREATMENTS DESIGN TO REDRESS THE …
POST-FRACTURING TREATMENTS DESIGN TO REDRESS THE …

Polymer Degraded in the ,Fracturing Fluid,. Tests were performed using linear gel suspensions and filter cake. The linear gel was prepared using guar gum -the most common polymer used in water- based ,fracturing fluid,- in KCl 1% w/v brine. The filter cake was obtained from the filtration of cross-linked ,fracturing fluid, through a ceramic disc.

Treatment and recycling of acidic fracturing flowback fluid
Treatment and recycling of acidic fracturing flowback fluid

Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH value, high chemical oxygen demand (COD), high corrosiveness and complex components. Surface discharge without treatment may contaminate the environment. However, wastewater treatment after centralized transportation has poten …

Bacterial communities associated with hydraulic fracturing ...
Bacterial communities associated with hydraulic fracturing ...

After, the ,fracturing, fluids passed through the blender, they were injected into the Barnett Shale. The ,fracturing, fluids were exposed to the Barnett Shale and biocide until the start of the ,flowback, process, which occurred 24 h ,after, frac ,fluid, injection at the CT site and approximately 2 months ,after, frac ,fluid, injection at the SM site.

fracturing fluid polyacrylamide fracturing
fracturing fluid polyacrylamide fracturing

Synthetic ,flowback, water was obtained by reacting the synthetic ,fracturing fluid, with 25 g/L shale at 80 ℃ and 83 bar for 24 h simulating downhole conditions encountered in natural gas reservoirs. The variation in these conditions across different gas formations can be large,and its impact on polyacrylamide ,degradation, was investigated previously.

fracturing fluid polyacrylamide fracturin
fracturing fluid polyacrylamide fracturin

Polyacrylamide (PAM) Used As ,Fracturing Fluid, Additive. ,After, the ,fracturing, process equipment is determined, the effect of ,fracturing, is mainly determined by the ,fracturing fluid,. Early ,fracturing fluid, is the gasoline as a dispersion medium, adding a certain viscosity of the ,fluid,, which is the earliest oil-based ,fracturing fluid,.

Treatment and recycling of acidic fracturing flowback fluid
Treatment and recycling of acidic fracturing flowback fluid

Acidic ,fracturing flowback fluid, (AFFF) has the characteristics of low pH value, high chemical oxygen demand (COD), high corrosiveness and complex components. Surface discharge without treatment may contaminate the environment. However, wastewater treatment after centralized transportation has poten …

The Defining Series: Formation Damage | Schlumberger
The Defining Series: Formation Damage | Schlumberger

Formation damage is a condition most commonly caused by wellbore fluids used during drilling, completion and workover operations. It impairs the permeability of reservoir rocks, thereby reducing the natural productivity of reservoirs. Formation damage can adversely affect both drilling operations and production, which directly impacts economic ...

U-M technical reports examine hydraulic fracturing in ...
U-M technical reports examine hydraulic fracturing in ...

5/9/2013, · Of the total volume of hydraulic ,fracturing, fluids injected into a well, amounts varying from 10 percent to 70 percent may return to the surface as “,flowback, water” ,after, the pressure is reduced and gas or oil begin to flow toward the wellhead.

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

In a conventional HF, flowback,, the, fluid, composition transitions from injected, fluids, to produced, fluids., In all cases, when the oil emerges, it is emulsified from mixing with stimulation, fluids., Breaking the emulsion is not possible with standard facility water treating equipment.

Progress fracturing fluid - fracsand.blogspot.com
Progress fracturing fluid - fracsand.blogspot.com

(2) costs than the polymer-free ,fracturing fluid, is low; (3) than the amount of conventional cross-linked guar gum ,fracturing fluid, less 1/2, ,flowback, better; Reduction (4) ,degradation, of the polymer damage. The disadvantage is that when the sand filling, there are still minor injuries.

Experimental investigations of fracturing fluid flowback ...
Experimental investigations of fracturing fluid flowback ...

5/5/2020, · The objective of this study is to investigate the effect of forced imbibition on ,fracturing fluid flowback, and water retention, and explain the relationship between ,flowback, recovery and well production in tight sandstone reservoirs. The experimental contents in this work include ,filtration, process, imbibition process and ,flowback, process.

Shale gas – Information on hydraulic fracturing (“fracking”)
Shale gas – Information on hydraulic fracturing (“fracking”)

matches the ,fracturing fluid, compositions published by Exxon Mobile [5]. Some of these substances are of ... processes between the aquifer and solid rock. ,Degradation, processes in thesubsurface may give rise to new problems, ... ,Flowback, from hydraulic ,fracturing, operations would therefore have to be treated by the operators at

Chemical Degradation of Polyacrylamide during Hydraulic ...
Chemical Degradation of Polyacrylamide during Hydraulic ...

strategies for reuse or treatment ,of flowback, water. The objective of this study was to evaluate the chemical ,degradation, of high molecular weight PAM, including the effects of shale, oxygen, temperature, pressure, and salinity. Data were obtained with a slickwater ,fracturing fluid, exposed to both a shale sample collected from a

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

1/11/2015, · The, fracturing flowback fluid, treatment unit has the following main modules , , : ① coagulation and precipitation, which involves pumping the, flowback fluid, with sand preliminarily settling removed to the treatment tank, adding coagulant and ion precipitant in the tank to make the suspended solids and Ca 2+ and Mg 2+ ions coagulate and precipitate, realizing the preliminary separation of …

fracturing fluid polyacrylamide fracturin
fracturing fluid polyacrylamide fracturin

Polyacrylamide (PAM) Used As ,Fracturing Fluid, Additive. ,After, the ,fracturing, process equipment is determined, the effect of ,fracturing, is mainly determined by the ,fracturing fluid,. Early ,fracturing fluid, is the gasoline as a dispersion medium, adding a certain viscosity of the ,fluid,, which is the earliest oil-based ,fracturing fluid,.

Evaluating Interactions of Fracturing Fluids and ...
Evaluating Interactions of Fracturing Fluids and ...

Evaluating Interactions of Fracturing Fluids, and ,Degradation, Products with Radionuclidesand ,Degradation, Products with Radionuclides ... (,acid, drainage and radionuclide mobilization issues) ... concentrations in samples collected at varying stages of fracture ,fluid flowback, in the field could ...

Treatment of high viscosity fracturing flowback by ...
Treatment of high viscosity fracturing flowback by ...

The catalytic oxidation, fracturing flowback, was mixed with polyaluminum chloride (PAC) and polyacrylamide (PAM) for flocculation and sedimentation, and through, filtration., In order to demonstrate the feasibility, the, fracturing flowback, was continuously treated in the dynamic simulation process (Figure 1) for 20 days.

Post-fracturing treatments design to redress the damage ...
Post-fracturing treatments design to redress the damage ...

Seven chemical products with different chemical properties were evaluated as post-,fracturing, treatments to remove the polymer retained in the pore system of the fracture and adjacent rock ,after, hydraulic ,fracturing,. Three of those chemical products were used for the first time to degrade the polymer in ,fracturing, fluids. All laboratory tests were conducted under the Unit K-1 Chichimene oil ...

Bag Filtration Housing - Hydraulic Fracturing | Filter ...
Bag Filtration Housing - Hydraulic Fracturing | Filter ...

The Frac Flowback Water As the water and sand are pumped into the ground at a high rate, the drilling hole eventually fills with water and sand. When this is complete, the drill exits, and the water and sand and forced through pressure to return to the surface. One way to imagine this is …

Hydraulic Fracturing: Paving the Way for a Sustainable Future?
Hydraulic Fracturing: Paving the Way for a Sustainable Future?

As part of the ,fracturing fluid,, acids are used to clean wellbore and dissolve near-wellbore ,acid, soluble minerals (i.e., Calcite CaCO 3) to create open conduit for the ,hydraulic fracturing fluid,. For example, hydrochloric ,acid, is one of the most commonly used acids with a typical concentration range of 0.08%–2.1% of the total ,fluid, pumped (as volume of 15% HCl) [ 12 , 13 ].

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