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Theoretical calculation of fracturing fluid flowback rate

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Theoretical calculation of fracturing fluid flowback rate
IOP Conference Series: Materials Science and Engineering ...
IOP Conference Series: Materials Science and Engineering ...

acid and facilitate the rapid ,flowback, of . residue. acid and effective clean of the. acid-ething . paths. As shown in the process of viscosity increase and ,gel breaking,, the fresh has low viscosity less than . 3. mPa.s. However, with the proceeding of the acid-rock reaction, the pH value increases and the . viscosity of the . residue. acid is high

Hydraulic Fracturing of Rock Formations Part 1 ...
Hydraulic Fracturing of Rock Formations Part 1 ...

1/9/2019, · Hydraulic fracturing involves pumping water and sand at high pressure into gas or oil-bearing rock to fracture it and open pathways for the gas or oil to escape to the receiving well. This is far removed from the mid-nineteenth century practice of ‘shooting’ a well, which used explosives instead of water, but the principle is the same.

Study of Influences of Fracture Additives on Stability of ...
Study of Influences of Fracture Additives on Stability of ...

Following fracturing, an enzyme or inorganic breaker is introduced to reverse crosslinking, which reduces the viscosity of gelled fluids. The breaker and disrupts polymers, result in reduced molecular weight and fluid viscosity in order to meet the requirement of the flow-back. The broken fluid was called gel breaking liquid.

Hydraulic fracturing - Ditudo
Hydraulic fracturing - Ditudo

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.

A masking method used for the boron crosslinker remained ...
A masking method used for the boron crosslinker remained ...

In order to treat the boron crosslinker remained in the back flow of guar ,fracturing fluid, so as to recycle the back flow, the complexation of polyalcohol and α-hydroxyl carboxylate on boric acid was investigated, and three efficient ligands were screened out, including mannitol, xylitol and sodium gluconate. Then, their masking effects on residual boron crosslinker were experimentally compared.

CROSSLINKED POLYMER HYDROGEL OR WATER-BASED FRACTURING …
CROSSLINKED POLYMER HYDROGEL OR WATER-BASED FRACTURING …

The crosslinked polymer of the invention can be used in water-based ,fracturing fluid,, in personal care products, household care products and pet care products, in reusable hydraulic ,fracturing flowback fluid,, in ,gel, explosives or in fire extinguishing mortar.

Biocides in Hydraulic Fracturing Fluids: A Critical Review ...
Biocides in Hydraulic Fracturing Fluids: A Critical Review ...

Hydraulic ,fracturing, is used to increase the permeability of shale gas formations and involves pumping large vols. of fluids into these formations. A portion of the frac ,fluid, remains in the formation after the ,fracturing, process is complete, which could potentially contribute to deleterious microbially induced processes in natural gas wells.

Hydraulic Fracturing - Fracking Water Use
Hydraulic Fracturing - Fracking Water Use

7/3/2018, · Hydraulic ,fracturing, (also fracking, fraccing, frac'ing, hydrofracturing or hydrofracking) is a well stimulation technique in which rock is fractured 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 to create cracks in the …

Modern Chemical Industry
Modern Chemical Industry

The main treatment methods of hydraulic ,fracturing flowback fluid, in recent years are summarized.The existing problems in the treatment are pointed out.This paper also prospects the way to optimize the treatment in order to cut down the cost in treating with hydraulic ,fracturing flowback fluid, and decrease damages on the environment.

Hydraulic fracturing - Frac Equipment - Equipment Choices
Hydraulic fracturing - Frac Equipment - Equipment Choices

Hydraulic ,fracturing, (also fracking, fraccing, frac'ing, hydrofracturing or hydrofracking) is a well stimulation technique in which rock is fractured 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 to create cracks in the deep-rock ...

Biocides in Hydraulic Fracturing Fluids: A Critical Review ...
Biocides in Hydraulic Fracturing Fluids: A Critical Review ...

Hydraulic ,fracturing, is used to increase the permeability of shale gas formations and involves pumping large vols. of fluids into these formations. A portion of the frac ,fluid, remains in the formation after the ,fracturing, process is complete, which could potentially contribute to deleterious microbially induced processes in natural gas wells.

Modern Chemical Industry
Modern Chemical Industry

The main treatment methods of hydraulic ,fracturing flowback fluid, in recent years are summarized.The existing problems in the treatment are pointed out.This paper also prospects the way to optimize the treatment in order to cut down the cost in treating with hydraulic ,fracturing flowback fluid, and decrease damages on the environment.

Investigation of a critical choke during hydraulic ...
Investigation of a critical choke during hydraulic ...

During the process of fracturing fluid flowback, gas will appear in the wellhole leading to an increase in wellhead pressure. Due to the appearance of gas, mixed fluid (gas and liquid) density and viscosity will decrease, fluid drag force will be weakened and a bigger choke diameter can …

Hydraulic fracturing - Frac Equipment - Equipment Choices
Hydraulic fracturing - Frac Equipment - Equipment Choices

Hydraulic ,fracturing, (also fracking, fraccing, frac'ing, hydrofracturing or hydrofracking) is a well stimulation technique in which rock is fractured 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 to create cracks in the deep-rock ...

[PDF] Environmental Impacts of Hydraulic Fracturing - Free ...
[PDF] Environmental Impacts of Hydraulic Fracturing - Free ...

Environmental Impacts of Hydraulic ,Fracturing, Related to Exploration and Exploitation of Unconventional Natural Gas Deposits – Short Version This publication is part of the public relations work of the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety.

Fluorinated anionic fenugreek gum: their self-assembly ...
Fluorinated anionic fenugreek gum: their self-assembly ...

The performance of the broken-gel liquids directly affects the flowback of fracturing fluid, which is a principal factor for formation damage. The rational use of a gel breaker is helpful for accelerating gel breaking and expediting the flowback.

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