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Title:
SYSTEM AND METHOD FOR MEASURING SEISMIC WAVE
Document Type and Number:
Japanese Patent JP2010151633
Kind Code:
A
Abstract:

To provide a seismic wave measuring system and a seismic wave measuring method capable of measuring a seismic wave in a non-self-supporting hole easy to collapse or in a borehole where blowout of ground water or the like is anticipated.

This system includes: a cable rod to be inserted into the borehole; a cable connector to be mounted on the tip of the cable rod; a measuring cable communicated with a measuring device on the tip part of the borehole; a cable storage pipe mounted on the tip part of the cable connector, and storing the measuring device and the measuring cable, with outer circumferential part in the underground fixed state; a cable cutter for cutting the measuring cable by a rotational motion when screwing with the cable connector is loosened; a casing for storing inside the cable, the cable rod, the cable connector, the measuring cable and the cable storage pipe, and protecting a borehole wall; and a casing sealing plug mounted on the inlet side of the casing, for blocking a blowout material from inside the casing.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
BABA SHINYA
Application Number:
JP2008330361A
Publication Date:
July 08, 2010
Filing Date:
December 25, 2008
Export Citation:
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Assignee:
BABA SHINYA
International Classes:
G01V1/40; E02D1/00; G01V1/16
Domestic Patent References:
JPH11344574A1999-12-14
JP2000514891A2000-11-07
JPS57190823A1982-11-24
Attorney, Agent or Firm:
Kyosei International Patent Office