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| Design of downhole multipole acoustic transducer transmitter with high power |
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CHENG Xiang-yang1,JU Xiao-dong2,LU Jun-qiang2,QIAO Wen-xiao2
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(1. College of Petroleum Engineering in China University of Petroleum，Dongying 257061，Shandong Province, China;2. Faculty of Resource and Information Technology in China University of Petroleum, Beijing 102249, China)
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| Abstract: |
| A kind of downhole multipole acoustic transducer transmitter with high power that is applied to petroleum tools was introduced. The command which is sent out by digital signal processor via special serial bus is carried out by complex programmable logic device ( CPLD)，and fire time and fire width of multi-transmitters are also accurately controlled by CPLD, which can control acoustic radiation energy optimally. The test results show that the control electronic system can work stably at 150 . This shows the transmitter is applicable to high temperature and high-pressure working condition of downhole. |
| Key words: complex programmable logic device acoustic logging tools transducer transmitter |
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