Analysis of Factors Affecting Cementing Quality by Acoustic (CBL)-Variable Density Log (VDL)

Xinjiang Petroleum Geology ›› 2010, Vol. 31 ›› Issue (3): 314-317.

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Analysis of Factors Affecting Cementing Quality by Acoustic (CBL)-Variable Density Log (VDL)

MAO Hai-tao, WU Bo

Research Center of Interpretation, Greatwall Drilling Company Ltd., CNPC, Beijing 100101, China

Received:2009-11-04 Revised:2010-02-04 Published:2020-09-17

Abstract

Abstract: It is popular to use CBL/VDL for cementing quality evaluation in China. The CBL curve could be use to evaluate the cementing of first interface, and the VDL could provide the information of both first and second interface. This paper illustrates the theory of cementing quality evaluation by CBL/VDL, and analyses all affecting factors, which may help to decrease the ambiguity of CBL/VDL interpretation and improve comprehensive utilization value of the logging data.

Key words: CBL/VDL, cement bonding, cementing quality, evaluation

CLC Number:

P631.824

MAO Hai-tao, WU Bo. Analysis of Factors Affecting Cementing Quality by Acoustic (CBL)-Variable Density Log (VDL)[J]. Xinjiang Petroleum Geology, 2010, 31(3): 314-317.

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Analysis of Factors Affecting Cementing Quality by Acoustic (CBL)-Variable Density Log (VDL)

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