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Acidity of waste water

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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Acidity of waste water
NON-DEGRADABLE GEL-BREAKING AND ITS REUSING METHODS …
NON-DEGRADABLE GEL-BREAKING AND ITS REUSING METHODS …

The experimental results showed that the ,flowback, fluids viscosity of XZWJ vegetable gum ,fracturing fluid, was about 9m Pa·s,when0. 5% ,fracturing fluid, and ,flowback, fluids mixed as ratio of 2 ∶8,and adding additional relevant additive XJL-2,YBJL-1and KWJ-1,then the mixed ,fluid, could be tolerant temperature up to 87℃,and after shearing( 80℃,1h),the viscosity of ,fracturing fluid, is also ...

Mineral Reactions in Shale Gas Reservoirs: Barite Scale ...
Mineral Reactions in Shale Gas Reservoirs: Barite Scale ...

Hydraulic ,fracturing, for gas production is now ubiquitous in shale plays, but relatively little is known about shale-hydraulic ,fracturing fluid, (HFF) reactions within the reservoir. To investigate reactions during the shut-in period of hydraulic ,fracturing,, experiments were conducted flowing different HFFs through fractured Marcellus shale cores at reservoir temperature and pressure (66 °C, 20 MPa) for …

Hydraulic Fracturing - aogr.com
Hydraulic Fracturing - aogr.com

The gelling agent and cross-linker can be added to any available water at the well site to create a low-residue stimulation fluid that is unaffected by flowback additives and able to handle produced water with high concentrations of salinity and total dissolved solids (TDS).

Hydraulic Fracturing - aogr.com
Hydraulic Fracturing - aogr.com

Recovering, treating and reusing produced and flowback water eliminates the strain that well fracturing-related demand creates on freshwater supplies, especially in areas where freshwater is scarce, water quality is inconsistent, or it is logistically complex to deliver water to a location.

CAPP Hydraulic Fracturing Operating Practice: WATER ...
CAPP Hydraulic Fracturing Operating Practice: WATER ...

Propping agent (Proppant): Typically non-compressible material, most commonly sand, added to the fracturing fluid and pumped into the open fractures to prop them open once the fracturing pressures are removed. Recycle: The process of treating flowback or produced water to allow it to be reused either for hydraulic fracturing or for another purpose.

A Critical Review of the Physicochemical Impacts of Water ...
A Critical Review of the Physicochemical Impacts of Water ...

The water used for hydraulic ,fracturing, is typically fresh, whereas “,flowback,” water is typically saline with a variety of additives which complicate safe disposal. As production operations continue to expand, there is an increasing interest in treating and ,reusing, this high-salinity produced water for further ,fracturing,.

1. Introduction - Hindawi
1. Introduction - Hindawi

Therefore, it is imperative to understand the potential interactions between fracturing fluid and reservoir rock, and then find solutions to reuse the flowback water for subsequent fracturing. In this study, once flowback fluid was directly collected from the field, its chemical compositions were analyzed; then, filtering, decoloring, and chelating methods were chosen to effectively remove or shield the …

CAPP Hydraulic Fracturing Operating Practice: WATER ...
CAPP Hydraulic Fracturing Operating Practice: WATER ...

Propping ,agent, (Proppant): Typically non-compressible material, most commonly sand, added to the ,fracturing fluid, and pumped into the open fractures to prop them open once the ,fracturing, pressures are removed. Recycle: The process of treating ,flowback, or produced water to allow it to be reused either for hydraulic ,fracturing, or for another purpose.

Method of Reusing Untreated Produced Water in Hydraulic ...
Method of Reusing Untreated Produced Water in Hydraulic ...

The amount of the hydroxyl ion releasing agent used in an embodiment is sufficient to yield a pH value in the fracturing fluid of at least about 8.0, at least 8.5, at least about 9.5, and between about 9.5 and about 12. Fluid embodiments may also include an organoamino compound.

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

The WaterSure Standard ,fluid, system is a water crosslinking system unaffected by high TDS, boron or chlorides using a conventional base guar gel with specialized crosslinker. It has three major components: a crosslinking function, a pH buffer and a basic gelling ,agent, combined with a high TDS-tolerant surfactant and scale inhibitor.

CROSSLINKED FLUID TREATMENT AND METHODS FOR …
CROSSLINKED FLUID TREATMENT AND METHODS FOR …

crosslinked ,fluid, treatment and methods ,for fracturing, underground formations based on ,flowback,, production water, seawater, fresh water, and mixtures of same: The present invention provides cross-linked fracture fluids that allow for reusing return water with no treatment, minimizing the environmen...

CLEANER FRACKING - Chemical & Engineering News
CLEANER FRACKING - Chemical & Engineering News

Fracturing, fluid Gas well ,Flowback, and produced water ... Example of ,fracturing fluid, composition from a gas well in Beaver, Pa. ... pH-adjusting ,agent, Potassium hydroxide 0.01268%

Minimum Effective Dose: A Study of Flowback and Produced ...
Minimum Effective Dose: A Study of Flowback and Produced ...

any fluid for fracturing, these three issues must be addressed. The technology allows operators to reuse large quantities of flowback and produced fluid (“reused fluid”) while eliminating the need for any additional treatment on location or at an offsite location. The technology replaces standard biocides and scale inhibitors typically used on

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

sodium nitrate was used as the weighting ,agent, during hydraulic ,fracturing,. Comparing to the originalfracturing uidwhosedensitywas.g/cc,thedensityoftheowback uiddecreasedwithtime,indicatingthelossofweighting agentintotheformation.Whenthe owback uidisreused, additionalweightingagentmightbeneededdependingon …

CROSSLINKED FLUID TREATMENT AND METHODS FOR FRACTURING ...
CROSSLINKED FLUID TREATMENT AND METHODS FOR FRACTURING ...

crosslinked ,fluid, treatment and methods ,for fracturing, underground formations based on ,flowback,, production water, seawater, fresh water, and mixtures of same: The present invention provides cross-linked fracture fluids that allow for ,reusing, return water with no treatment, minimizing the environmen...

Hydro Fracturing Gets 'Green Tech' Treatment
Hydro Fracturing Gets 'Green Tech' Treatment

Somewhere between 8 percent to as much as 40 percent of ,fluid, volume used in ,fracturing, flows back during subsequent clean-up operations. Halliburton’s CleanWave mobile units treat ,flowback, and produced water at rates up to 26,000 barrels per day. “Treating 20 barrels a …

(PDF) Well Completion Design - Jonathan Bellarby | last ...
(PDF) Well Completion Design - Jonathan Bellarby | last ...

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

sodium nitrate was used as the weighting agent during hydraulic fracturing. Comparing to the originalfracturing uidwhosedensitywas.g/cc,thedensityoftheowback uiddecreasedwithtime,indicatingthelossofweighting agentintotheformation.Whenthe owback uidisreused, additionalweightingagentmightbeneededdependingon …

METHOD FOR REUSING PRODUCED WATER FOR HYDRAULIC FRACTURING …
METHOD FOR REUSING PRODUCED WATER FOR HYDRAULIC FRACTURING …

A method comprises obtaining or providing a treatment ,fluid, comprising a gellable ,agent,; ... METHOD FOR ,REUSING, PRODUCED WATER FOR HYDRAULIC ,FRACTURING, . United ... ,agent,; and placing the treatment ,fluid, in a subterranean formation. In some embodiments, the aqueous carrier ,fluid, comprises produced and/or ,flowback, water.

Crosslinked Fluid Treatment and Methods for Fracturing ...
Crosslinked Fluid Treatment and Methods for Fracturing ...

The fracture ,fluid, may be prepared using return water, production water, sea water, fresh water or mixtures thereof, to hydrate a gelling ,agent, and form a viscous aqueous ,fluid,. In order to promote the appropriate viscosity for increasing well depths, buffers and cross-linking agents, such as compounds with borate ion release capacity, may be incorporated in fracture fluids.

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