Research on high-sensitivity and wide-band receiver used in acoustic well logging

被引：0

作者：

Wu, Jinping ^{[1
,2
]}

Qiao, Wenxiao ^{[1
,2
]}

Che, Xiaohua ^{[1
,2
]}

机构：

[1] State Key Laboratory of Petroleum Resources and Prospecting in China University of Petroleum, Beijing

[2] Key Laboratory of Earth Prospecting and Information Technology in China University of Petroleum, Beijing

来源：

Wu, Jinping | 1600年 / University of Petroleum, China卷 / 38期

关键词：

Acoustic logging; Operating frequency; Receiver; Receiving sensitivity;

D O I：

10.3969/j.issn.1673-5005.2014.06.008

中图分类号：

学科分类号：

摘要：

Investigations on a high-sensitivity and wide-band receiver used in acoustic well logging are conducted combining finite element methods and experimental measurements. The optimization analysis on the receiver by ANSYS shows that the length and thickness of ceramic plates have major effects on the receiver performance characteristics. The operating frequency bandwidth broadens as the length of ceramic plates decreases, and the receiving sensitivity improves as the thickness of ceramic plates increases. Furthermore, the receiving performance of the optimized receiver is simulated by ANSYS, and its performance indices are obtained. In the operating frequency bandwidth from 1 kHz to 30 kHz, the average of receiving sensitivity is -204.85 dB and the sensitivity fluctuation is less than 2.3 dB. According to the optimized structural parameters of the receiver, a prototype is fabricated and measured in a water tank. The experimentally measurements are in good agreement with the calculated results, supporting the high sensitivity and wide bandwidth of the receiver.

引用

页码：54 / 60

页数：6

共 13 条

[1]

Tang X.M., Cheng A., Quantitative Borehole Acoustic Methods, pp. 1-6, (2004)

[2]

Brie A., Mueller M.C., Codazzi D., Et al., New directions in sonic logging, pp. 40-50, (1998)

[3]

Kessler C., Varsamis G.L., A new generation crossed dipole logging tool: Design and case histories, (2001)

[4]

Cheng X., Ju X., Lu J., Et al., Design of downhole multipole acoustic transducer transmitter with high power, Journal of China University of Petroleum (Edition of Natural Science), 31, 6, pp. 40-43, (2007)

[5]

Chen X., Qiao W., Li G., Measuring directivity of phased-array acoustic transmitter in acoustic log, Oil Geophysical Prospecting, 38, 6, (2003)

[6]

Qiao W., Ju X., Che X., Et al., Multipole acoustic logging transmitter structurized by annular array, Journal of China University of Petroleum (Edition of Natural Science), 30, 5, (2006)

[7]

Qiao W., Che X., Ju X., Et al., Acoustic logging phased arc array and its radiation directivity, Chinese Journal of Geophysics, 51, 3, pp. 939-946, (2008)

[8]

Wu J.P., Qiao W.X., Che X.H., Et al., Experimental study on the radiation characteristics of downhole acoustic phased combined arc array transmitter, Geophysics, 78, 1, pp. D1-D9, (2013)

[9]

Pistre V., Kinoshita T., Endo T., Et al., A modular wireline sonic tool for measurements of 3D (azimuthal, radial, and axial) formation acoustic properties, pp. 26-29, (2005)

[10]

Li Y., Jia C., Qin Y., Et al., A dipole acoustic receiving transducer, Petroleum Instruments, 19, 6, pp. 20-21, (2005)

← 1 2 →