Title:
REMOTE OPERATION WIRE LINE CORE SAMPLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2005/024174
Kind Code:
A1
Abstract:
A remote operation wire line core sampling device capable of increasing the efficiency of working and maintaining the wall of a hole by using a stabilized see-bottom core drill at a see-bottom and adopting a wire line system, comprising a drill rod held by the chuck of the see-bottom core drill, a wire line core barrel having, at the tip thereof, a bit for annularly drilling a ground, an inner tube assembly detachably incorporated in the wire line core barrel, and an over-shot assembly (5) having a function for the engagement thereof with a spear head part at the top end of the inner tube assembly. The device also comprises a water swivel (18) in which water supply ports (3) and (4) are formed at the upper and lower parts thereof and a modified built-in type over-shot assembly (5) is incorporated therein so as to reside at the intermediate part thereof.
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Inventors:
Kadomoto, Yukio c/o Mitsui Engineering & Shipbuilding Co. Ltd. (6-4, Tsukiji 5-chome, Chuo-k, Tokyo 39, 10484, JP)
Yamanaka, Isao c/o Mitsui Engineering & Shipbuilding Co. Ltd. (6-4 Tsukiji 5-chome, Chuo-k, Tokyo 39, 10484, JP)
Tanaka, Hiroshi (8-A-204, Nokendai-higashi Kanazawa-ku, Yokohama-sh, Kanagawa 58, 23600, JP)
Tsuchiya, Takahiko c/o TOHO CHIKAKOKI CO. LTD. (19-53, Nishi-tsukiguma 5-chome, Hakata-ku, Fukuoka-sh, Fukuoka 57, 81600, JP)
Yamanaka, Isao c/o Mitsui Engineering & Shipbuilding Co. Ltd. (6-4 Tsukiji 5-chome, Chuo-k, Tokyo 39, 10484, JP)
Tanaka, Hiroshi (8-A-204, Nokendai-higashi Kanazawa-ku, Yokohama-sh, Kanagawa 58, 23600, JP)
Tsuchiya, Takahiko c/o TOHO CHIKAKOKI CO. LTD. (19-53, Nishi-tsukiguma 5-chome, Hakata-ku, Fukuoka-sh, Fukuoka 57, 81600, JP)
Application Number:
PCT/JP2004/013001
Publication Date:
March 17, 2005
Filing Date:
September 01, 2004
Export Citation:
Assignee:
MITSUI ENGINEERING & SHIPBUILDING CO., LTD. (6-4 Tsukiji 5-chome, Chuo-ku Tokyo, 39, 10484, JP)
K. MAIKAI CO., LTD. (1-10, Nishi-gotanda 8-chome Shinagawa-k, Tokyo 31, 14100, JP)
TOHO CHIKAKOKI CO., LTD. (19-53, Nishi-tsukiguma 5-chome Hakata-ku, Fukuoka-sh, Fukuoka 57, 81600, JP)
Kadomoto, Yukio c/o Mitsui Engineering & Shipbuilding Co. Ltd. (6-4, Tsukiji 5-chome, Chuo-k, Tokyo 39, 10484, JP)
Yamanaka, Isao c/o Mitsui Engineering & Shipbuilding Co. Ltd. (6-4 Tsukiji 5-chome, Chuo-k, Tokyo 39, 10484, JP)
Tanaka, Hiroshi (8-A-204, Nokendai-higashi Kanazawa-ku, Yokohama-sh, Kanagawa 58, 23600, JP)
Tsuchiya, Takahiko c/o TOHO CHIKAKOKI CO. LTD. (19-53, Nishi-tsukiguma 5-chome, Hakata-ku, Fukuoka-sh, Fukuoka 57, 81600, JP)
K. MAIKAI CO., LTD. (1-10, Nishi-gotanda 8-chome Shinagawa-k, Tokyo 31, 14100, JP)
TOHO CHIKAKOKI CO., LTD. (19-53, Nishi-tsukiguma 5-chome Hakata-ku, Fukuoka-sh, Fukuoka 57, 81600, JP)
Kadomoto, Yukio c/o Mitsui Engineering & Shipbuilding Co. Ltd. (6-4, Tsukiji 5-chome, Chuo-k, Tokyo 39, 10484, JP)
Yamanaka, Isao c/o Mitsui Engineering & Shipbuilding Co. Ltd. (6-4 Tsukiji 5-chome, Chuo-k, Tokyo 39, 10484, JP)
Tanaka, Hiroshi (8-A-204, Nokendai-higashi Kanazawa-ku, Yokohama-sh, Kanagawa 58, 23600, JP)
Tsuchiya, Takahiko c/o TOHO CHIKAKOKI CO. LTD. (19-53, Nishi-tsukiguma 5-chome, Hakata-ku, Fukuoka-sh, Fukuoka 57, 81600, JP)
International Classes:
E02D1/04; E21B25/02; G01N1/08; E02D1/00; E21B25/00; G01N1/04; (IPC1-7): E21B25/02; E02D1/04
Attorney, Agent or Firm:
Oda, Haruchika (Okamotoya Bldg. 5F, 1-24 Toranomon 1-chome, Minato-k, Tokyo 01, 10500, JP)
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