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Determination of COD in acid wastewater by adjusting pH

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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Determination of COD in acid wastewater by adjusting pH
Scilit | Journal - articles
Scilit | Journal - articles

The chemical and isotopic compositions of the natural gas and the co-produced ,flowback, water from the XJC 1 well in Junggar Basin, China, were analyzed to determine the origin of gases in the Permian Lucaogou Formation (P2l) and the Triassic ,Karamay, Formation (T2k) in the Bogda Mountain periphery area of the Southern Junggar Basin.

Publications - University Blog Service
Publications - University Blog Service

A Semianalytical Approach to Model Two-Phase ,Flowback, of Shale-Gas Wells with Complex ... (2017, July 24-26). Hydraulic ,Fracturing Fluid, Effect on Clay Swelling in Stimulated ... R., & Zhao, L. (1998, April 19-22). Alkaline/Surfactant/Polymer Flood Predictions for the ,Karamay, Oil Field. SPE-39610-MS presented at the SPE/DOE ...

Scilit | Journal - articles
Scilit | Journal - articles

The chemical and isotopic compositions of the natural gas and the co-produced ,flowback, water from the XJC 1 well in Junggar Basin, China, were analyzed to determine the origin of gases in the Permian Lucaogou Formation (P2l) and the Triassic ,Karamay, Formation (T2k) in the Bogda Mountain periphery area of the Southern Junggar Basin.

1. Introduction
1. Introduction

Horizontal wells with long horizontal sections and staged ,fracturing, technology are the key technologies for the successful development of shale gas. The engineering practice of shale gas drilling and production has found that phenomena such as drilling ,fluid, filtration loss promote instable propagation of microcracks in boreholes within surrounding rock.

Exploitation of fractured shale oil resources by cyclic ...
Exploitation of fractured shale oil resources by cyclic ...

The effect of hydraulic ,flowback, and produced water on gill morphology, oxidative stress and antioxidant response in rainbow trout (Oncorhynchus mykiss) Fault reactivation and earthquakes with magnitudes of up to Mw4.7 induced by shale-gas hydraulic ,fracturing, in Sichuan Basin, China.

China | SPE
China | SPE

Abstract Water imbibition is a key factor affecting the ,flowback, system of shale gas wells after volume ,fracturing,. This paper took shale samples from the Longmaxi formation (LF) in the Sichuan Basin as subjects, the experiments of shale water imbibition under different influencing factors were carried out.

Production performance analysis of fractured horizontal ...
Production performance analysis of fractured horizontal ...

Network ,fracturing, technique is an important method to improve the production for tight oil reservoirs. ,Fracturing, network parameters (ω and λ) are the indexes of ,fracturing, stimulation effectiveness. Storativity (ω) is defined as the ratio of elastic storage ability of fracture system to the total storage ability of the pay zone.

1. Introduction
1. Introduction

Horizontal wells with long horizontal sections and staged ,fracturing, technology are the key technologies for the successful development of shale gas. The engineering practice of shale gas drilling and production has found that phenomena such as drilling ,fluid, filtration loss promote instable propagation of microcracks in boreholes within surrounding rock.

Publications - University Blog Service
Publications - University Blog Service

A Semianalytical Approach to Model Two-Phase ,Flowback, of Shale-Gas Wells with Complex ... (2017, July 24-26). Hydraulic ,Fracturing Fluid, Effect on Clay Swelling in Stimulated ... R., & Zhao, L. (1998, April 19-22). Alkaline/Surfactant/Polymer Flood Predictions for the ,Karamay, Oil Field. SPE-39610-MS presented at the SPE/DOE ...

Chun 2015 | Petroleum Reservoir | Hydraulic Fracturing ...
Chun 2015 | Petroleum Reservoir | Hydraulic Fracturing ...

The detrimental effects of reduced fracture conductivity as a result of poor ,flowback, are well documented in the literature (Veatch and Crowell 1982; Hickey et al. 1981; Robinson et al. 1988).Without the appropriate selection of this additive, the surfactants can impact phase trapping and subsequently reduce fracture permeability and impact water recovery after the ,fracturing, process and ...

Exploitation of fractured shale oil resources by cyclic ...
Exploitation of fractured shale oil resources by cyclic ...

The effect of hydraulic ,flowback, and produced water on gill morphology, oxidative stress and antioxidant response in rainbow trout (Oncorhynchus mykiss) Fault reactivation and earthquakes with magnitudes of up to Mw4.7 induced by shale-gas hydraulic ,fracturing, in Sichuan Basin, China.

China | SPE
China | SPE

Abstract Water imbibition is a key factor affecting the ,flowback, system of shale gas wells after volume ,fracturing,. This paper took shale samples from the Longmaxi formation (LF) in the Sichuan Basin as subjects, the experiments of shale water imbibition under different influencing factors were carried out.

Chun 2015 | Petroleum Reservoir | Hydraulic Fracturing ...
Chun 2015 | Petroleum Reservoir | Hydraulic Fracturing ...

The detrimental effects of reduced fracture conductivity as a result of poor ,flowback, are well documented in the literature (Veatch and Crowell 1982; Hickey et al. 1981; Robinson et al. 1988).Without the appropriate selection of this additive, the surfactants can impact phase trapping and subsequently reduce fracture permeability and impact water recovery after the ,fracturing, process and ...

Society of Petroleum Engineers
Society of Petroleum Engineers

SPE Disciplines > Reservoir Description and Dynamics > ,Fluid, Characterization (1.0) SPE Disciplines > Reservoir Description and Dynamics > ,Fluid, Characterization > Phase …

Chun 2015 | Petroleum Reservoir | Hydraulic Fracturing ...
Chun 2015 | Petroleum Reservoir | Hydraulic Fracturing ...

The detrimental effects of reduced fracture conductivity as a result of poor ,flowback, are well documented in the literature (Veatch and Crowell 1982; Hickey et al. 1981; Robinson et al. 1988).Without the appropriate selection of this additive, the surfactants can impact phase trapping and subsequently reduce fracture permeability and impact water recovery after the ,fracturing, process and ...

Society of Petroleum Engineers
Society of Petroleum Engineers

SPE Disciplines > Reservoir Description and Dynamics > ,Fluid, Characterization (1.0) SPE Disciplines > Reservoir Description and Dynamics > ,Fluid, Characterization > Phase …

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