Title:
MULTI-LINE GROUND-BOREHOLE TRANSIENT ELECTROMAGNETIC DETECTION METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/193403
Kind Code:
A1
Abstract:
A multi-line ground-borehole transient electromagnetic detection method, comprising: step 1, constructing a multi-line ground-borehole transient electromagnetic forward model; step 2, obtaining a multi-line ground-borehole transient electromagnetic response of an underground target layer by means of the multi-line ground-borehole transient electromagnetic forward model; and step 3, identifying the underground target layer according to electromagnetic diffusion characteristics of the multi-line ground-borehole transient electromagnetic response. According to the method, the capability of a ground-borehole transient electromagnetic method for distinguishing and detecting an underground target can be greatly improved. A multi-line ground-borehole transient electromagnetic detection apparatus is further comprised.
Inventors:
ZHOU NANNAN (CN)
XUE GUOQIANG (CN)
CHEN WEIYING (CN)
ZHANG SHUN (CN)
XUE GUOQIANG (CN)
CHEN WEIYING (CN)
ZHANG SHUN (CN)
Application Number:
PCT/CN2021/089125
Publication Date:
September 22, 2022
Filing Date:
April 23, 2021
Export Citation:
Assignee:
INST GEOLOGY & GEOPHYSICS CAS (CN)
International Classes:
G01V3/08
Domestic Patent References:
| WO2011008707A2 | 2011-01-20 | |||
| WO2014077721A1 | 2014-05-22 |
Foreign References:
| CN112327367A | 2021-02-05 | |||
| CN109100808A | 2018-12-28 | |||
| CN110673218A | 2020-01-10 | |||
| CN107015286A | 2017-08-04 | |||
| CN109343130A | 2019-02-15 |
Attorney, Agent or Firm:
BEIJING DONGFANG SHENGFAN IP AGENT FIRM GP (CN)
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