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Methods of pH adjustment for acid 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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Methods of pH adjustment for acid wastewater
Study on Reuse of Fracturing Fluid in Oil and Gas Fields ...
Study on Reuse of Fracturing Fluid in Oil and Gas Fields ...

A used clear ,fracturing fluid, and a used guar gum ,fracturing fluid, were disposed of with this ,equipment,, and the produced fluids were analyzed with a laser particle size analyzer (Model: Master sizer 2000), showing that more than 99% of the particles in these fluids had been removed, while large amount of calcium and magnesium ions were found in the fluids after water analyses.

Agenda - SPE Hydraulic Fracturing Technology Conference ...
Agenda - SPE Hydraulic Fracturing Technology Conference ...

Geomechanics—in both completions and drilling operations—has become a critical technology in the development of Unconventional Plays. This course presents the basics of oil field geomechanics and its application to unconventional developments; specifically, the role of stress, pore pressure, mechanical properties, and natural fractures on hydraulic ,fracturing, operations.

An Experimental Study on Biological Treatment of ...
An Experimental Study on Biological Treatment of ...

The EB Series bacteria screened from the oilfield ,fracturing fluid, can effectively degrade the macromolecule and organic pollutants in ,fracturing fluid,.We study on the influence of the shaking time,temperature,inoculum amount,bacteria mixed rate on COD removal rate of ,fracturing fluid,.The results show that: in better application condition with 48h shaking,25℃,inoculum amount 10%,mixed …

APPLICATION OF AUTOGENETIC HEAT FOAM FRACTURING FLUID …
APPLICATION OF AUTOGENETIC HEAT FOAM FRACTURING FLUID …

The gas reservoir J3p in the western Sichuan basin,with low temperature,has great difficulty in gel breaking by ,fracturing fluid,,even the gel breaking cannot be accomplished completely,which posed damage to the reservoir and easily led to problems of proppant backflow,reducing fracture conductivity and stabbing discharge ,fluid, of wellhead or gas transporting choke,causing potential safety ...

Fluorinated anionic fenugreek gum: their self-assembly ...
Fluorinated anionic fenugreek gum: their self-assembly ...

Fluorinated anionic fenugreek gum: their, self-assembly behaviors and use as a ,novel thickening agent in fracturing gel,. Chen Wang *, Xia Wang and Liewei Qiu Key Laboratory of Auxiliary Chemistry & Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science & Technology, ,Xi'an, 710021, P. R. China. E-mail: wangchenhg@sust.edu.cn

Determination of the Hydration Damage Instability Period ...
Determination of the Hydration Damage Instability Period ...

F. Wang and Z. Pan, “Numerical simulation of chemical potential dominated ,fracturing fluid flowback, in hydraulically fractured shale gas reservoirs,” Petroleum Exploration and Development, vol. 43, no. 6, pp. 1060–1066, 2016. View at: Publisher Site | Google Scholar

Fluorinated anionic fenugreek gum: their self-assembly ...
Fluorinated anionic fenugreek gum: their self-assembly ...

Fluorinated anionic fenugreek gum: their, self-assembly behaviors and use as a ,novel thickening agent in fracturing gel,. Chen Wang *, Xia Wang and Liewei Qiu Key Laboratory of Auxiliary Chemistry & Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science & Technology, ,Xi'an, 710021, P. R. China. E-mail: wangchenhg@sust.edu.cn

Development of unconventional gas and technologies adopted ...
Development of unconventional gas and technologies adopted ...

1/7/2020, · The reuse efficiency of a ,fracturing fluid, system with one-agent multiple effects, ultra-low concentration, and ,flowback fluid, has been enhanced. To greatly improve the productivity and recoverable reserves of a single well, the law of synchronous initiation and extension of fractures under multi-cluster perforation conditions has been investigated to ensure the contribution of each cluster to …

Agenda - SPE Hydraulic Fracturing Technology Conference ...
Agenda - SPE Hydraulic Fracturing Technology Conference ...

Geomechanics—in both completions and drilling operations—has become a critical technology in the development of Unconventional Plays. This course presents the basics of oil field geomechanics and its application to unconventional developments; specifically, the role of stress, pore pressure, mechanical properties, and natural fractures on hydraulic ,fracturing, operations.

Petroleum Engineering | Scientific.Net
Petroleum Engineering | Scientific.Net

Abstract: ,Fracturing flowback, rate is one of the most important parameters to evaluate ,fracturing, effects. While calculation of ,fracturing flowback, rate is always lack of theoretical model to predict, it is always been solved by accumulation of filed ,fluid, after ,fracturing, finished in oil filed.

An Experimental Study on Biological Treatment of ...
An Experimental Study on Biological Treatment of ...

The EB Series bacteria screened from the oilfield ,fracturing fluid, can effectively degrade the macromolecule and organic pollutants in ,fracturing fluid,.We study on the influence of the shaking time,temperature,inoculum amount,bacteria mixed rate on COD removal rate of ,fracturing fluid,.The results show that: in better application condition with 48h shaking,25℃,inoculum amount 10%,mixed …

Study on the Reutilization of Clear Fracturing Flowback ...
Study on the Reutilization of Clear Fracturing Flowback ...

The clear ,fracturing flowback, fluids were used as surfactant flooding system with the addition of α-olefin sulfonate (AOS) for enhanced oil recovery (EOR). The interfacial activity, emulsification activity and oil recovery capability of the recycling system were studied.

Schlumberger Announces Technology License Agreement with ...
Schlumberger Announces Technology License Agreement with ...

HOUSTON, June 15, 2020—,Schlumberger, announced today that it has entered into a collaboration agreement with China Petroleum Logging Co. Ltd (CNPC Logging), a subsidiary of China National Petroleum Corporation (CNPC), to jointly manufacture wireline downhole technology in China.The agreement will strengthen the commercial and technical collaboration between the two companies …

Product Categories - Xi'an Sitan Instruments Co.Ltd
Product Categories - Xi'an Sitan Instruments Co.Ltd

Fluid, End Assembly Of ,Fracturing, Pump; Oilfield ,Equipment, And Spare Parts; Wireline Logging Truck; ,Xi'an Sitan Instruments Co.,Ltd,. Add: No.22, Keji 5th Road, High-tech Zone, ,Xi'an, City, Shannxi, China. Tel: +86-029-88814516. Mob: +8615594666780. E-mail: sales@sitan-china.com

Fracturing with carbon dioxide: Application status and ...
Fracturing with carbon dioxide: Application status and ...

1/8/2014, · How- ever, water-based ,fracturing fluid, systems have disadvantages such as huge waste of water resources, damages to reservoir induced by clay swelling and ,fluid, residue, groundwater con- tamination caused by incomplete ,flowback,, and expensive sewage ,treatment, fee. ,Fracturing, with CO 2 is a rising water- less ,fracturing, technique [7] , which has been widely used in reservoirs with a …

Methods and compositions for introducing conductive ...
Methods and compositions for introducing conductive ...

For example, the term “,fluid,”, as used herein, can be meant to be any ,fluid, which can be used in a subterranean ,treatment,, including ,fracturing, and gravel packing, while the term “,fracturing fluid,”, as used herein, can be meant to refer to those fluids presently used in the field of ,fracturing, and hydraulic ,fracturing, and which serve to aid in the displacement of subterranean ...

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