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Chemical formula for treatment of acid industrial 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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Chemical formula for treatment of acid industrial wastewater
FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...
FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...

Methods of fracturing a subterranean formation include introducing a fracturing fluid containing an aqueous medium, a viscosifying agent and a polyethylene oxide alkyl ether through a wellbore and into the subterranean formation, pressurizing the fracturing fluid to fracture the subterranean formation, and allowing the fracturing fluid to flow back into the wellbore from the subterranean formation.

A Feasibility Study of Reusing Flowback Fluids in ...
A Feasibility Study of Reusing Flowback Fluids in ...

The results help to determine which salts can affect the desirable expectation from the fracturing fluid and how to increase the limits further to be able to use the flowback fluids in future...

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

19/11/2014, · Zhanqing Qu et al. proposed reutilization of guar based ,fracturing fluid, in ,fracturing, process by adjusting pH value of ,flowback, fluids . The viscosities of initial and reusing system being sheared for 90 min are 200 mPa·s −1 and 85 mPa·s −1 , respectively, which are both suitable for ,fracturing,.

A New Reality for Fracturing Fluids | Schlumberger
A New Reality for Fracturing Fluids | Schlumberger

The oilfield solution to this situation has been to run an oxidative breaker to reduce ,fluid viscosity,. Myths and science of breakers While it is true that breakers will reduce ,viscosity, in a laboratory test, the water that is returned on initial ,flowback, is typically salinated by contact with reservoir rock that has not seen water for millions of years.

Experimental Study of Fracturing Fluid Retention in Rough ...
Experimental Study of Fracturing Fluid Retention in Rough ...

Flowback, is required in tight reservoirs during the later stages ,of fracturing,. During the process of ,flowback,, the ,fracturing fluid, and gas are produced at the same time. The experiment simulated two stages of liquid ,flowback,. The first stage relies on the elastic …

Fracturing process using a viscosity stabilized energizing ...
Fracturing process using a viscosity stabilized energizing ...

The U.S. Department of Energy's Office of Scientific and Technical Information

A Feasibility Study of Reusing Flowback Fluids in ...
A Feasibility Study of Reusing Flowback Fluids in ...

The results help to determine which, salts can affect, the, desirable expectation, from the, fracturing fluid, and how to increase the limits further to be able to use the, flowback, fluids in future...

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.

Study on the Reutilization of Clear Fracturing Flowback ...
Study on the Reutilization of Clear Fracturing Flowback ...

19/11/2014, · Zhanqing Qu et al. proposed reutilization of guar based fracturing fluid in fracturing process by adjusting pH value of flowback fluids . The viscosities of initial and reusing system being sheared for 90 min are 200 mPa·s −1 and 85 mPa·s −1 , respectively, which are both suitable for fracturing.

FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...
FLOWBACK AID FOR FRACTURING FLUIDS - Schlumberger ...

Methods ,of fracturing, a subterranean formation include introducing a ,fracturing fluid, containing an aqueous medium, a viscosifying agent and a polyethylene oxide alkyl ether through a wellbore and into the subterranean formation, pressurizing the ,fracturing fluid, to fracture the subterranean formation, and allowing the ,fracturing fluid, to ,flow back, into the wellbore from the subterranean formation.

Fracturing process using a viscosity stabilized energizing ...
Fracturing process using a viscosity stabilized energizing ...

The U.S. Department of Energy's Office of Scientific and Technical Information

Research on the reuse technology of fracturing flowback ...
Research on the reuse technology of fracturing flowback ...

The viscosity of the reused fracturing fluid system could maintain 120 mPa∙s under 170 s⁻¹, 120 °C. The ratio of storage modulus and loss modulus is 2.592 in the linear viscoelastic zone.

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

From the viewpoint of force, the fracturing-fluid flow in the fracture system is driven by viscous and gravity forces, simultaneously carrying suspended proppant particles. The proppant particle flow is driven by the vertical forces, including gravity and buoyancy and horizontal forces, including drag, inertia, and collision.

A low damage fracturing fluid performance evaluation and ...
A low damage fracturing fluid performance evaluation and ...

Thickener : 0.40%, crosslinking agent : 0.20%, the ,fracturing fluid, formation ,viscosity, 120.0 mPa.s( ,measurement, environment : 30℃, 170s-1. 3min), was measured using a static 20/40 ceramic sand properties of the ,fracturing fluid, suspension system, observed the static 6h for sand phenomenon is not obvious, it shows the good carrying sand performance.

Comparative Study of Flowback Analysis Using Polymer ...
Comparative Study of Flowback Analysis Using Polymer ...

Fluid flowback, can be either of a fracture-tip or near-wellbore type. If ,flowback, is of the near-wellbore type, it indicates extensive near-wellbore leakoff owing to a highly permeable zone around the wellbore. This causes much of the pad ,fluid, segment to leakoff near the wellbore and, therefore, the pad ,fluid, is first to be recovered.

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