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Desalination of ferric chloride 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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Desalination of ferric chloride acid wastewater
Improving the fracturing fluid loss control for multistage ...
Improving the fracturing fluid loss control for multistage ...

1/7/2015, · Encapsulated breakers are used to insulate the breaking agent (APS) from fracturing fluid, so that the properties of fracturing fluid will, not, affect gel breaking. Therefore, the temperature can be considered a major factor for gel breaking process, and the APS releasing time then determines the gel breaking time for the fracturing fluid.

Fracturing fluids and additives - PetroWiki
Fracturing fluids and additives - PetroWiki

16/4/2020, · However in high-salinity mix-water, many FR additives may see a loss in achievable friction reduction. Other advantages and disadvantages of slickwater fluids and execution (compared to that of gelled ,fracturing, fluids) are detailed below: Advantages: …

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 …

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

CN103670359A - Method for nondegradable gel breaking of ...
CN103670359A - Method for nondegradable gel breaking of ...

The invention relates to a method for nondegradable ,gel, breaking of vegetable gelatin ,fracturing fluid,. The method for the nondegradable ,gel, breaking of the vegetable gelatin ,fracturing fluid, is characterized by comprising the following steps of 1) ,fracturing fluid, preparation, 2) nondegradable ,gel, breaking, 3) ,gel, breaking and ,flowback,, and 4) secondary utilization.

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 …

Hydraulic Fracturing 101 - Earthworks
Hydraulic Fracturing 101 - Earthworks

Cleans up perforation intervals of cement and drilling mud prior to ,fracturing fluid, injection, and provides accessible path to formation. Hydrochloric acid (HCl, 3% to 28%) or muriatic acid: Breaker: Reduces the viscosity of the ,fluid, in order to release proppant into fractures and enhance the recovery of the ,fracturing fluid,. Peroxydisulfates

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.

Polymer-Free Fluid for Fracturing Applications | SPE ...
Polymer-Free Fluid for Fracturing Applications | SPE ...

This fluid does, not, require polymer hydration, biocides, buffers, crosslinkers, or breakers. When flowing back, contact with the produced hydrocarbons or dilution with formation brine can also break ClearFRAC. This new fracturing fluid has been used successfully in more than 2,100 fracturing jobs around the world.

Fracturing fluids and additives - PetroWiki
Fracturing fluids and additives - PetroWiki

16/4/2020, · ,Fracturing, fluids are pumped into the well to create conductive fractures and bypass near-wellbore damage in hydrocarbon-bearing zones. The net result is an expansion in the productive surface-area of the reservoir, compared to the unfractured formation.

International Journal of Oil Gas and Coal Technology ...
International Journal of Oil Gas and Coal Technology ...

The proposed system has three advantages: the roof rock layer interface (weak interlayer) ,can, be identified; owing to the installation of the pneumatic electric proportional valve and controller, unmanned operations ,can, be performed by the functions present in the computer control system; and by testing the drilling parameters of the pneumatic bolt rig system, the strength and position of each ...

Hydraulic Fracturing Definitions
Hydraulic Fracturing Definitions

Hydraulic ,Fracturing, Definitions Base Water – water used to formulate fracing fluids.This water ,can, be river water, drinking water, well water or treated wastewater effluent. Breakers – chemicals added to frac ,fluid, formulation to “,break,” the gels and release the proppant materials.

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

However, the blank test with the presence of a molecular sieve (without Ni and Fe) showed that the oxidative gel breaking effect of electrolytic brine on fracturing flowback fluid was decreased with the addition of the molecular sieve, which was due to the introduction of potassium hydroxide in the molecular sieve preparation process and resulted in an alkaline surface of the molecular sieve.

Fracturing Fluid Components | IntechOpen
Fracturing Fluid Components | IntechOpen

21/3/2013, · The use of post frac ,flowback, water is becoming common especially for slickwater fracs. ... The PAAm polymer is quite difficult to ,break, and is used to ,gel, 15% HCl so is damaging to the reservoir rock and proppant pack when used. ... hydration and crosslinking of the ,fracturing fluid, polymers ,can, …

Hydraulic fracturing - Wikipedia
Hydraulic fracturing - Wikipedia

Hydraulic fracturing,, also called fracking, fracing, hydrofracking, fraccing, frac'ing, and hydrofracturing, is a well stimulation technique involving the ,fracturing, of bedrock formations by a pressurized liquid. The process involves the high-pressure injection of "fracking ,fluid," (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore ...

Can Produced Or Flowback Water Be Reused As Fracturing Fluid?
Can Produced Or Flowback Water Be Reused As Fracturing Fluid?

This biocide, rated by the EPA as a powerful but safe water disinfectant (Safe Water Drinking Act of 1974), will ,not, adversely affect the ,fluid, pH in the well or react with most organics. Once suspended solids and bacteria were addressed, what remained was to test chemical methods of negating the effect of interfering ions, salinity, boron, calcium and chlorides.

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