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Neutralization of acid mine 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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Neutralization of acid mine wastewater
Stimulation of oil and gas production | Info Shale : shale ...
Stimulation of oil and gas production | Info Shale : shale ...

Fracturing fluid, is usually composed of water (95%), proppant (4.5%) and chemical additives (0.5%), although the parameters are frequently changed during a single job so as to optimize the process. The application of proppant and chemical components makes hydraulic ,fracturing, apart from other pressure-based ,stimulation, procedures.

Influence of Reservoir Geological Characteristics on ...
Influence of Reservoir Geological Characteristics on ...

Abstract ,Fracturing fluid flowback, is a principal process in the successful development of unconventional oil and gas reservoirs. When a ,flowback rate, is ,low, the ,fracturing fluid, remains in a reservoir, causing damage to the reservoir and impacting …

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

Natural Gas Industry B (2015-11-01) . Recovery and treatment of ,fracturing flowback, fluids in the Sulige Gasfield, Ordos Basin

Water Treatment Key to Hydraulic Fracturing's Future | Rigzone
Water Treatment Key to Hydraulic Fracturing's Future | Rigzone

A single well hydrofracture in the Marcellus may require two million to five million gallons ,of fracturing fluid,, ... a ,low,-cost solution for ,flowback, and ... ,rate, of 95 percent in ...

Shale Frac Sequential Flowback Analyses and Reuse Implications
Shale Frac Sequential Flowback Analyses and Reuse Implications

hydraulic ,fracturing fluid, systems and products used in High Volume, High ,Rate, ... Significant lessons learned from early HVHR ,fracturing, and ,flowback, analysis from the Marcellus ... observed. In the Jefferson trend, barium levels are relatively ,low, (approximately 50 to 400 . …

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

Secondly, for recovering and treating the end fluids on the well sites, a fine ,fracturing flowback fluid, recovery and treatment technique has been worked out with “coagulation and precipitation, filtration and disinfection, and sludge dewatering” as the main part.

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

16/4/2020, · By comparison, for conventional wide-biwing fractures the carrier fluid must be sufficiently viscous (normally, 50 to 1000 cp, at nominal shear rates from 40-100sec -1) to transport higher proppant concentrations (1-10 PPA per gallon). These treatments are often pumped at lower pump rates and may create wider fractures (normally 0.2 to 1.0 in.).

Application of Low Damage Fracturing Fluid in the Later ...
Application of Low Damage Fracturing Fluid in the Later ...

West Sichuan Jurassic tight gas reservoir has the ,fracturing, difficulties of poor reservoir properties,poor pore structure,tiny throat,sensitive damage property of rocks and filter cakes formed by conventional ,fracturing fluid, sludge,a large quantity of water phase loss ,of fracturing fluid, and ,low, gas reservoir pressure and severe reservoir damage.Based on the processing technologies of ...

Acid Fracturing - Top Select Holdings
Acid Fracturing - Top Select Holdings

Acid fracturing, is a process in which acid is injected at a high enough ,rate, and pressure to fracture the formation which is performed above the fracture pressure of the formation. A viscous pad (a ,fracturing fluid, that does not contain proppant) is pumped into the formation at pressures above the fracture-initiation pressure, which fractures the rock.

Hydraulic Fracturing | Alberta Energy Regulator
Hydraulic Fracturing | Alberta Energy Regulator

The ,fracturing, takes place at the start of the wellbore's life cycle. The injected ,fluid, is often water, and it usually contains various chemical additives and a proppant, like sand, to keep the fractures open so oil and gas can flow to the well. For more information on hydraulic ,fracturing, fluids, see FracFocus.ca.

Application of Fracturing Technique for Low Permeability ...
Application of Fracturing Technique for Low Permeability ...

Sulige gasfield is characterized by ,low, pressure,difficulty ,flowback, after ,fracturing,,and the conventional ,fracturing, technology has large damage on reservoirs,which influences the yield increasing of fracture.With the injection of liquid nitrogen,and increasing of the ,flowback, power ,of fracturing fluid,,it can increase the ,flowback rate, after ,fracturing, and reduce the reservoirs damage by ...

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

In this paper,, Fe/Ni catalyst, was successfully applied in the treatment of the flowback fluid for the first time. The catalyst can improve the oxidation efficiency of electrolytic brine and reduce the viscosity of fracturing flowback during the treatment process. The effect of the Fe/Ni proportion on the catalytic performance was studied.

A study of the mechanism of nonuniform production rate in ...
A study of the mechanism of nonuniform production rate in ...

Leonard24 evaluated the ,flowback, process by comprehensively using ,fluid, and proppant tracer test, micro-seismic, records of pumping, production logging, and production data. Catlett et al 25 used hydrocarbon tracer technology to obtain oil production for each ,fracturing, stage, and the reason for ,low, production was an-alyzed combined seismic data.

Treatment of hydraulic fracturing flowback fluid by Fe0 ...
Treatment of hydraulic fracturing flowback fluid by Fe0 ...

Corresponding author: 13008197875@163.com Treatment of hydraulic ,fracturing flowback fluid, by Fe0- persulfate (PS) process Heng Zhang⁎, Bo Lai State Key Laboratory of Hydraulics and Mountain ...

FLOW CHANNEL FRACTURING SERVICE: A NEW PARADIGM FOR …
FLOW CHANNEL FRACTURING SERVICE: A NEW PARADIGM FOR …

More than 2,100 ,fracturing, stages have been pumped with the HiWAY service to date, with virtually no proppant ,flowback, issues. Also important is that the HiWAY service has attained a 100:1 reduction in near-wellbore screenouts when compared to proppant placement results – in the same reservoirs – using conventional ,fracturing, techniques. These

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

Centralized and group well deployment and factory-like ,fracturing, techniques are adopted for low-permeability tight sandstone reservoirs in the Sulige…

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

1/11/2015, · The, fracturing flowback fluid treatment, unit has the following main modules , , : ① coagulation and precipitation, which involves pumping the, flowback fluid, with sand preliminarily settling removed to the, treatment, tank, adding coagulant and ion precipitant in the tank to make the suspended solids and Ca 2+ and Mg 2+ ions coagulate and precipitate, realizing the preliminary separation of …

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