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oil and gas drilling process

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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oil and gas drilling process
Evaluation of CO2-enhanced oil recovery and sequestration ...
Evaluation of CO2-enhanced oil recovery and sequestration ...

30/12/2009, · ,Oil, gravity, a measure of ,oil, density and hydrocarbon composition, plays an important role in ,CO 2, fl ooding for recovery and sequestration because these characteristics affect ,CO 2, solubility. Many of the bene fi ts that ,CO 2, has upon ,oil, recovery, such as ,oil, swelling, viscosity reduc-

Metal working lubricant formulations based on ...
Metal working lubricant formulations based on ...

The ,supercritical, temperature and pressure of ,CO 2, (Tc=31.1° C. and Pc=72.8 atm) is easily achieved in industrial environments. Under these conditions, ,CO 2, is a good solvent for many materials, and it is to be noted that some vegetable-based oils are highly soluble in ,CO 2,.

Supercritical Carbon Dioxide Extraction of Lignocellulosic ...
Supercritical Carbon Dioxide Extraction of Lignocellulosic ...

Energies 2020, 13, 1600 5 of 35 and wet biomass, whose macromolecular constituents are broken down by a complex set of reactions in subcritical or ,supercritical, water environment, with or without assisting chemicals (e.g., catalysts,

Sub and Supercritical Decontamination of Oil-Based Drill ...
Sub and Supercritical Decontamination of Oil-Based Drill ...

drill ,cutting treatment, can be categorized into three main categories of physical (dewatering), ... (solvent extraction, surfactant enhanced washing, and ,supercritical CO 2, extraction), and thermal ,methods, (desorption and microwave heating). In this research ... and oil-based depending on the ,base, fluids (Ball et al., 2012). Among ...

Version für Pdf2 - univie.ac.at
Version für Pdf2 - univie.ac.at

Extracting ,methods, applied were: SFE-,CO 2, (,Supercritical Fluid, Extraction with ,CO 2,) and SPME (Solid Phase Micro Extraction). Qualitative analyses were made by GC-MS (Gas Chromatography coupled to Mass Spectrometry), the results being compared with the data in the Wiley 6.1 Library, and

(PDF) Sub and Supercritical Decontamination of Oil-Based ...
(PDF) Sub and Supercritical Decontamination of Oil-Based ...

PDF, | Drill mud is a ,fluid, which is used in oil extraction industries in order to cool and lubricate the drill bit. Due to containing numerous toxic... | Find, read and cite all the research you ...

Applications of green solvents in extraction of
Applications of green solvents in extraction of

Supercritical, carbon dioxide (scCO 2) is the most commonly used solvent in ,supercritical fluid, extraction. scCO 2 solvent has highly desirable properties such as non-toxicity, non-flammability, non-explosiveness, low cost, readily availability and ease of removal from the extracted materials [14]. Moreover, ,CO 2, has a low critical temperature ...

Extraction of Astaxantine and Phycocyanine from Microalgae ...
Extraction of Astaxantine and Phycocyanine from Microalgae ...

Astaxantine from the microalga Haematococcus pluvialis and phycocyanine from the microalga Spirulina maxima have been obtained by ,supercritical, extraction using carbon dioxide. Prior to extraction, the samples of microalgae were crushed by ,cutting, mills (coffee mill) and then manually ground with dry ice (solid carbon dioxide). The Haematococcus extracts were analyzed by liquid chromatography ...

(PDF) An overview of hydraulic fracturing and other ...
(PDF) An overview of hydraulic fracturing and other ...

As the ,fluid, enters the formation, the temperature increases toward bottom-hole temperature. During flow back, the pressure decreases and ,CO 2, comes to the surface as a gas.,Supercritical CO 2, is a ,fluid, state where ,CO 2, is held at or above its critical temperature (31.1°C) and critical pressure (72.9 atm or …

Metal working lubricant formulations based on ...
Metal working lubricant formulations based on ...

The ,supercritical, temperature and pressure of ,CO 2, (Tc=31.1° C. and Pc=72.8 atm) is easily achieved in industrial environments. Under these conditions, ,CO 2, is a good solvent for many materials, and it is to be noted that some vegetable-based oils are highly soluble in ,CO 2,.

Applications of green solvents in extraction of
Applications of green solvents in extraction of

Supercritical, carbon dioxide (scCO 2) is the most commonly used solvent in ,supercritical fluid, extraction. scCO 2 solvent has highly desirable properties such as non-toxicity, non-flammability, non-explosiveness, low cost, readily availability and ease of removal from the extracted materials [14]. Moreover, ,CO 2, has a low critical temperature ...

Supercritical water oxidation of oil-based drill cuttings ...
Supercritical water oxidation of oil-based drill cuttings ...

15/6/2017, · Oil-based drill cuttings (OBDC) are a typical hazardous solid waste that arises from drilling operations in oil and gas fields. The ,supercritical, water oxidation (SCWO) of OBDC was comprehensively investigated in a batch reactor under the conditions of various oxygen coefficients (OC, 1.5–3.5), temperatures (T, 400–500 °C) and reaction times (t, 0.5–10 min).

Version für Pdf2 - univie.ac.at
Version für Pdf2 - univie.ac.at

Extracting ,methods, applied were: SFE-,CO 2, (,Supercritical Fluid, Extraction with ,CO 2,) and SPME (Solid Phase Micro Extraction). Qualitative analyses were made by GC-MS (Gas Chromatography coupled to Mass Spectrometry), the results being compared with the data in the Wiley 6.1 Library, and

(PDF) An overview of hydraulic fracturing and other ...
(PDF) An overview of hydraulic fracturing and other ...

As the ,fluid, enters the formation, the temperature increases toward bottom-hole temperature. During flow back, the pressure decreases and ,CO 2, comes to the surface as a gas.,Supercritical CO 2, is a ,fluid, state where ,CO 2, is held at or above its critical temperature (31.1°C) and critical pressure (72.9 atm or …

Extraction of Astaxantine and Phycocyanine from Microalgae ...
Extraction of Astaxantine and Phycocyanine from Microalgae ...

Astaxantine from the microalga Haematococcus pluvialis and phycocyanine from the microalga Spirulina maxima have been obtained by ,supercritical, extraction using carbon dioxide. Prior to extraction, the samples of microalgae were crushed by ,cutting, mills (coffee mill) and then manually ground with dry ice (solid carbon dioxide). The Haematococcus extracts were analyzed by liquid chromatography ...

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