Title:
DRILLING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/039305
Kind Code:
A1
Abstract:
A drilling apparatus is provided. The drilling apparatus according to one aspect of the present invention comprises: first and second moving modules; first to third drawworks for vertically moving the first and second moving modules; a wire for successively connecting the first drawwork, the first moving module, the second drawwork, the second moving module and the third drawwork; a first fixing drum positioned between the first drawwork and the first moving module so as to support the wire; and a second fixing drum positioned between the second moving module and the third drawwork so as to support the wire.
Inventors:
HA YOUNG YOUL (KR)
LEE DONG GUN (KR)
KIM HYUN GOO (KR)
BAE SUNG JUNE (KR)
LEE DONG GUN (KR)
KIM HYUN GOO (KR)
BAE SUNG JUNE (KR)
Application Number:
PCT/KR2016/009707
Publication Date:
March 09, 2017
Filing Date:
August 31, 2016
Export Citation:
Assignee:
SAMSUNG HEAVY IND (KR)
International Classes:
B63B35/44; B63B27/00; E21B19/00; E21B19/02
Foreign References:
| KR20120059820A | 2012-06-11 | |||
| KR20150081130A | 2015-07-13 | |||
| KR20110026057A | 2011-03-15 | |||
| KR20110029965A | 2011-03-23 | |||
| US20100294568A1 | 2010-11-25 |
Attorney, Agent or Firm:
KASAN IP & LAW FIRM (KR)
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