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What coagulant is suitable for 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 coagulant is suitable for acid wastewater
Solving Inefficiencies of Fracturing Fluid Delivery ...
Solving Inefficiencies of Fracturing Fluid Delivery ...

Solving Inefficiencies ,of Fracturing Fluid, Delivery New structured ,fracturing fluid, delivery system brings order to a cluttered work environment. Originating from the pumping of cement from the cement pump trucks to the wellbore, the conventional pipe work used to deliver the frack ,fluid, from the pump trucks to the frack tree might have reached its limits in unconventional applications.

5 Characterization of Flowback and Produced Waters for ...
5 Characterization of Flowback and Produced Waters for ...

Hydraulic ,fracturing, is a controlled, high-pressure injection of ,fluid, and proppant into a well to generate fractures in the rock formation containing the oil or gas. After the hydraulic fracture procedure is completed, the injected ,fluid, is allowed to ,flow back, into the well, leaving the proppant in the newly created fractures.

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

1/1/2018, · Comparing to the original ,fracturing fluid, whose ,density, was 1.30 g/cc, the ,density, of the ,flowback fluid, decreased with time, indicating the loss of weighting agent into the formation. When the ,flowback fluid, is reused, additional weighting agent might be needed depending on the ,fracturing, job; however, the dosage can be less than the case using the fresh water.

Study on the reutilization of clear fracturing flowback ...
Study on the reutilization of clear fracturing flowback ...

19/11/2014, · As mentioned above, the clear ,fracturing flowback fluid, is mainly composed of VES which is usually cationic ammonium surfactant and AOS is anionic. When cationic and anionic surfactants are used together, the strong electrostatic attraction leads to the adsorption of more surfactant molecules on the oil/water interface [36] , which results in the appearance of lowest IFT in mixed catanionic systems.

Unconventional Fracturing Fluids: What Where and Why
Unconventional Fracturing Fluids: What Where and Why

conventional ,fracturing, fluids causes water to be trapped in the near‐ wellbore region, thereby significantly impairing the ability of gas to flow. Formations with sub‐ irreducible water saturation can be stimulated with fluids that minimize the interfacial tension

Chemical Tracer Flowback Data Help Understanding of Fluid ...
Chemical Tracer Flowback Data Help Understanding of Fluid ...

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 194362, “Understanding ,Fracturing,-,Fluid, Distribution of an Individual ,Fracturing, Stage From Chemical Tracer ,Flowback, Data,” by Wei Tian and Alex Darnley, SPE, ResMetrics; Teddy Mohle, SPE, and Kyle Johns, Contango Oil and Gas; and Chris Dempsey, ResMetrics, prepared for the 2019 SPE Hydraulic ,Fracturing, …

Hydraulic fracturing - Wikipedia
Hydraulic fracturing - Wikipedia

As the ,fracturing, process proceeds, viscosity-reducing agents such as oxidizers and enzyme breakers are sometimes added to the ,fracturing fluid, to deactivate the gelling agents and encourage ,flowback,. Such oxidizers react with and break down the gel, reducing the ,fluid,'s viscosity and ensuring that no proppant is pulled from the formation.

Hydraulic fracturing fluid migration in the subsurface: A ...
Hydraulic fracturing fluid migration in the subsurface: A ...

To simulate buoyancy, the injected fracturing fluid density is specified as 1000 kg/m 3. A permeable pathway is assumed to extend from the top of the shale to the bottom of the overlying aquifer, with m 2 (b = 1 mm) and widths of 10 m for the lowest 500 and 1 m for the upper 1000 m.

Thiourea | H2NCSNH2 - PubChem
Thiourea | H2NCSNH2 - PubChem

Thiourea, is a white crystalline solid, both naturally occurring and synthetic, that is soluble in water, ammonium thiocyanate solution and ethanol.In the past, it was used as a photographic toning agent, a component of hair preparations and a dry cleaning agent.

A REVIEW OF HYDRAULIC FRACTURING - IENE
A REVIEW OF HYDRAULIC FRACTURING - IENE

recycling. Recovered ,fracturing, fluids are referred to as ,flowback,. Disposal options for ,flowback, include discharge into surface water or underground injection. In some cases, it may also be necessary to use hydraulic ,fracturing, to increase the permeability of the coal seam in …

Management of Saline Fluids for Hydraulic Fracturing Guideline
Management of Saline Fluids for Hydraulic Fracturing Guideline

The Management of Saline ,Fluid, for Hydraulic ,Fracturing, Guideline is a reference document for oil and gas permit holders detailing the requirements and expectations for siting, design, construction, operation, and decommissioning of lined containment systems used …

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

1/1/2018, · Comparing to the original ,fracturing fluid, whose ,density, was 1.30 g/cc, the ,density, of the ,flowback fluid, decreased with time, indicating the loss of weighting agent into the formation. When the ,flowback fluid, is reused, additional weighting agent might be needed depending on the ,fracturing, job; however, the dosage can be less than the case using the fresh water.

Hydraulic fracturing - Wikipedia
Hydraulic fracturing - Wikipedia

As the ,fracturing, process proceeds, viscosity-reducing agents such as oxidizers and enzyme breakers are sometimes added to the ,fracturing fluid, to deactivate the gelling agents and encourage ,flowback,. Such oxidizers react with and break down the gel, reducing the ,fluid,'s viscosity and ensuring that no proppant is pulled from the formation.

Unconventional Fracturing Fluids: What Where and Why
Unconventional Fracturing Fluids: What Where and Why

conventional ,fracturing, fluids causes water to be trapped in the near‐ wellbore region, thereby significantly impairing the ability of gas to flow. Formations with sub‐ irreducible water saturation can be stimulated with fluids that minimize the interfacial tension

Study on the reutilization of clear fracturing flowback ...
Study on the reutilization of clear fracturing flowback ...

19/11/2014, · As mentioned above, the clear ,fracturing flowback fluid, is mainly composed of VES which is usually cationic ammonium surfactant and AOS is anionic. When cationic and anionic surfactants are used together, the strong electrostatic attraction leads to the adsorption of more surfactant molecules on the oil/water interface [36] , which results in the appearance of lowest IFT in mixed catanionic systems.

Chemical Tracer Flowback Data Help Understanding of Fluid ...
Chemical Tracer Flowback Data Help Understanding of Fluid ...

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 194362, “Understanding ,Fracturing,-,Fluid, Distribution of an Individual ,Fracturing, Stage From Chemical Tracer ,Flowback, Data,” by Wei Tian and Alex Darnley, SPE, ResMetrics; Teddy Mohle, SPE, and Kyle Johns, Contango Oil and Gas; and Chris Dempsey, ResMetrics, prepared for the 2019 SPE Hydraulic ,Fracturing, …

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