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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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Treatment of Hydrocarbon-Based Drilling Waste Using ...
Treatment of Hydrocarbon-Based Drilling Waste Using ...

Summary Nonaqueous drilling fluids are essential in challenging drill operations. Their use, however, requires special ,treatment, and disposal because of their potential for environmental damage. In light of increasing costs for common ,treatment, tech

(PDF) Treatment of oil-contaminated drill cuttings of ...
(PDF) Treatment of oil-contaminated drill cuttings of ...

Supercritical fluid, extraction is a new technology that could be effectively used to, treat oil-contaminated drill cuttings, generated during drilling for, oil, and gas.

Contaminated Drill Cuttings and Their Treatment ...
Contaminated Drill Cuttings and Their Treatment ...

Supercritical fluid technology is a favorable method for treatment of oil-contaminated drill cuttings. Supercritical fluids have several desirable properties that make them attractive for certain separation processes, e.g. the product is not contaminated with residual solvent [2-3].

Breakdown of a Pressurized Fingerlike Crack in a Permeable ...
Breakdown of a Pressurized Fingerlike Crack in a Permeable ...

The problem is of interest in reservoir waterflooding, ,supercritical CO 2, injection for geological storage, and other subsurface ,fluid, injection applications. ,Fluid, injection into a stationary crack leads to its elastic dilation and pressurization, buffered by the ,fluid, leak-off into the surrounding rock.

Supercritical CO2 Extraction Applied to Oily Drilling Cuttings
Supercritical CO2 Extraction Applied to Oily Drilling Cuttings

Cutting Re-Injection or Ship-to-Shore for thermal, solvent or inerting, treatments, will be the only acceptable alternatives for, oily cuttings, disposal. The following paper presents an innovative approach to the complex problem of the separation of OBM from cuttings using, Supercritical Carbon Dioxide, …

TREATMENT OF OIL-CONTAMINATED DRILL CUTTINGS OF …
TREATMENT OF OIL-CONTAMINATED DRILL CUTTINGS OF …

Abstract– New ,treatment, technologies are currently being investigated for the ,treatment, of ... Supercritical ,fluid, extraction is a new separation technique which has drawn much attention to the use of ... must be treated. In other words, the ,oily, drill ,cuttings, can …

Low Temperature Pyrolysis Characteristics of Oil Sludge ...
Low Temperature Pyrolysis Characteristics of Oil Sludge ...

Supercritical, water ,treatment, of oil sludge, a viable route to valorize waste oil materials. Fuel 2015, 159 , 653-658. https://doi.org/10.1016/j.fuel.2015.06.094; Ke Zhang, Jianhua Zhu, Yong Zhou, Bencheng Wu. Investigation into the dehydration process of ,oily, sludge by fry-drying method.

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.

Treatment of Oil Contaminated Drill Cuttings ...
Treatment of Oil Contaminated Drill Cuttings ...

Treatment of Oil Contaminated Drill Cuttings, - Free download as PDF File (.pdf), Text File (.txt) or read online for free. ,Treatment Of Oil Contaminated Drill Cuttings, Search Search

Supercritical CO2 Extraction Applied to Oily Drilling Cuttings
Supercritical CO2 Extraction Applied to Oily Drilling Cuttings

A pilot unit capable of handling up to 500g of ,cuttings, perbatch and allowing supercritical ,CO2, steady circulation, hasbeen developed to study the efficiency of the process. Testshave been performed on ,oily cuttings, coming from variouslocations and different OBM ,Cuttings,.

Volatileoils by pooja in pharmacognosy
Volatileoils by pooja in pharmacognosy

11/3/2018, · It is the process of separating one component (the extractant) from another (matrix) using ,supercritical, fluids as the extracting solvents. The system must contain a pump for ,CO2,, a pressure cell that contains the sample, a mean of maintaining pressure in the system and a collecting vessel. The liquid is pumped to heated zone, where it is heated to ,supercritical, conditions. It is then passed into …

A review of treatment methods for oil-based drill cuttings
A review of treatment methods for oil-based drill cuttings

9/11/2020, · Generally, supercritical fluids are selected as extr act ants for oil-based, drill cuttings,, such as CO2, propane, and so on. A supercritical fluid is a state that exists between gas and liquid.

Recovery of impregnated hydrocarbon in drill cuttings ...
Recovery of impregnated hydrocarbon in drill cuttings ...

Due to the needs of the region and the ever-increasing demand that has been long generated particularly for the treatment of oil-well drill cuttings, this research was carried out with the aim of providing an alternative treatment method for such cuttings. In particular, supercritical fluids have the ability to extract certain chemical compounds using specific solvents under specific temperature and pressure …

Method for the removal and recovery of the oily component ...
Method for the removal and recovery of the oily component ...

A method for decontamination of oily cuttings, coming from drilling oil wells, and recovery of an oily component, comprising: mixing said cuttings with CO 2 in a liquid state at a pressure ranging from 45 to 70 bar and a temperature corresponding to a saturation value, to dissolve an oily fraction of the cuttings; removing a liquid phase including the CO 2 and the oily fraction from the cuttings; expansion and …

Supercritical CO2 Extraction Applied to Oily Drilling Cuttings
Supercritical CO2 Extraction Applied to Oily Drilling Cuttings

Cutting Re-Injection or Ship-to-Shore for thermal, solvent or inerting treatments will be the only acceptable alternatives for ,oily cuttings, disposal. The following paper presents an innovative approach to the complex problem of the separation of OBM from ,cuttings, …

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