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ISSN: 2333-9721
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The Outline and General Comments about the Advance of the Resevoir Geophysics Project Implemented in Daqing Oilfield
对“油储”项目在大庆实施获得成果的概述及认识

Reservoir geophysical project has obtained great achievements in Daqing oil field with the decade effort of "Industry-University-Institute" Cooperation
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APPLICATION STUDY OF BRACELET ANODE ANTICORROSION TECHNOLOGY FOR CASING IN OIL-WATER WELLS IN DAQING OILFIELD
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EXPERIMENAL SIMULATION OF EFFECTIVENESS OF CORROSION CONTROL BY SERIAL ANODE FOR OIL-WATER WELLS IN DAQING OILFIELD
大庆油田油水井套管侧挂串状阳极防腐模拟实验研究

Keywords: casing,deep well,sacrifice anode,cathode-anode spacing,corrosion control
套管
,深井,牺牲阳极串,阴阳极间距,防腐

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Abstract:

In view of the fact that corrosion induced leakage of casings gets much severe year by year of oil - water wells in Daqing oilfield, we put forward the anticorrosion methodology of sacrifice anodes, and the technology is the serial anodes are buried on the flank of the working casing of oil-water wells. Through simulation experiment in the laboratory, it follows that in case the water electric resistivity is appoximately egual to the cathode-anode area ratio, anodes should be buried underground with a depth of 3000 cm-5000 cm, the way of anodes combination is connection in series-parallel, and it would come into being the bigger electric current output and the good potential distribution. The suitable spacing between of anode and cathode ranges around 900 cm.

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