DUAN Youxiang, ZHANG Yanghong, LI Hongqiang, SUN Qifeng. A New Drilling Fluid Pulse Signal Identification Method Based on Credibility Analysis[J]. Petroleum Drilling Techniques, 2018, 46(3): 120-126. DOI: 10.11911/syztjs.2018047
Citation: DUAN Youxiang, ZHANG Yanghong, LI Hongqiang, SUN Qifeng. A New Drilling Fluid Pulse Signal Identification Method Based on Credibility Analysis[J]. Petroleum Drilling Techniques, 2018, 46(3): 120-126. DOI: 10.11911/syztjs.2018047

A New Drilling Fluid Pulse Signal Identification Method Based on Credibility Analysis

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  • Received Date: December 02, 2017
  • Revised Date: March 14, 2018
  • Targeting the difficulties of mud pulse signal identification in the process of measuring while drilling (MWD),and based on the analysis of the generation principle of mud pulse signal and the noise characteristics,a mud pulse signal identification method based on credibility analysis was established by means of studying the signal waveform characteristic attributes and signal similarity.The prototype of a mud pulse signal identification system designed according to this method enables a flexible interactive control.It also does a dynamic parameter adjustment and real-time visualization of processing process,and has achieved good effects in field application of MWD.With a good adaptability,such method can identify the real signal waveforms in a complex field environment accurately and intelligently to provide technical support for smooth MWD operations.
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