KR900020265U - 시추선 - Google Patents

시추선

Info

Publication number
KR900020265U
KR900020265U KR2019890005743U KR890005743U KR900020265U KR 900020265 U KR900020265 U KR 900020265U KR 2019890005743 U KR2019890005743 U KR 2019890005743U KR 890005743 U KR890005743 U KR 890005743U KR 900020265 U KR900020265 U KR 900020265U
Authority
KR
South Korea
Prior art keywords
borehole
Prior art date
Application number
KR2019890005743U
Other languages
English (en)
Other versions
KR940004357Y1 (ko
Inventor
장인섭
Original Assignee
장인섭
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 장인섭 filed Critical 장인섭
Priority to KR2019890005743U priority Critical patent/KR940004357Y1/ko
Publication of KR900020265U publication Critical patent/KR900020265U/ko
Application granted granted Critical
Publication of KR940004357Y1 publication Critical patent/KR940004357Y1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Revetment (AREA)
KR2019890005743U 1989-05-02 1989-05-02 시추선 KR940004357Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890005743U KR940004357Y1 (ko) 1989-05-02 1989-05-02 시추선

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890005743U KR940004357Y1 (ko) 1989-05-02 1989-05-02 시추선

Publications (2)

Publication Number Publication Date
KR900020265U true KR900020265U (ko) 1990-12-13
KR940004357Y1 KR940004357Y1 (ko) 1994-06-25

Family

ID=19285769

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890005743U KR940004357Y1 (ko) 1989-05-02 1989-05-02 시추선

Country Status (1)

Country Link
KR (1) KR940004357Y1 (ko)

Also Published As

Publication number Publication date
KR940004357Y1 (ko) 1994-06-25

Similar Documents

Publication Publication Date Title
ID996B (id) Pirrolum tersubstitusi
FI900834A0 (fi) Porauslaite
DK0405377T3 (da) Såmaskine
IT9020177A0 (it) Bombesin-antagonisti
DK34592A (da) Gangbroelement
NO176819C (no) Övelses-bunnmine
ATA149789A (de) Schienenrad
KR900020265U (ko) 시추선
DK165000C (da) Laessekran
BR9006503A (pt) Copolimero agrilamidios
IT218442Z2 (it) Trapano bipunta
IT8964807A0 (it) Trafila per fusilli
BR6901774U (pt) Negatoscopio unimaden
BR6900207U (pt) Presilha-abracadeira
BR6900735U (pt) Rotacesta
BR6900796U (pt) Eletro-lamina
ATA152989A (de) Skistock
SE8902283D0 (sv) Skjutmaal
SE8900929D0 (sv) Cykelstaell
IT8920201V0 (it) Interegal
BR6900732U (pt) Reoviscosimetro
BR6900847U (pt) Tele-alarme
BR6901431U (pt) Bate-pula
BR6900607U (pt) Mini-cone
BR6901802U (pt) Picador-triturador

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19970625

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee