| 1968 |
Apr |
Established Japan Drilling Company, Ltd. (JDC) with a capital of 500 million yen. |
| 1969 |
Feb |
Built a jack-up rig "Fuji". |
|
Aug |
Built a tender-assisted rig "Sakura". |
| 1970 |
May |
Amended the articles of association. Included drilling operations in Japanese waters as one of the Company purposes. |
| 1971 |
Feb |
Purchased "HAKURYU" from JAPEX and renamed the rig "HAKURYU-I". |
|
Apr |
Increased capital to 1 billion yen. |
| |
Jun |
Chartered a semi-submersible rig "HAKURYU-II" from Japan National Oil Corporation (JNOC). |
| 1972 |
Jan |
Set up a branch office in Singapore. |
| 1973 |
Jun |
Increased capital to 1.75 billion yen. |
| 1974 |
Jun |
Increased capital to 2.5 billion yen. |
|
Jul |
Built a semi-submersible rig "HAKURYU-III". |
| 1975 |
May |
Built a jack-up rig "HAKURYU-IV". |
| 1977 |
Feb |
Increased capital to 4 billion yen. |
|
Sep |
Built a semi-submersible rig "HAKURYU-V". |
| 1978 |
Oct |
Built a jack-up rig "HAKURYU-VI". |
| 1979 |
Apr |
Established "JOSCO Ltd.", a subsidiary in Tokyo, Japan. |
| 1981 |
Mar |
Built a jack-up rig "HAKURYU-VII"("SAGADRIL-2"). |
|
Nov |
Built a jack-up rig "HAKURYU-8". |
| 1983 |
Jun |
Purchased "HAKURYU-II" from JNOC. |
| 1984 |
Jul |
Started the development work of the production well by a platform at
"Agaoki Kita Oilfield", offshore Niigata, Japan. |
|
Aug |
Built a jack-up rig "HAKURYU-9"("SAGADRIL-1"). |
| 1986 |
Apr |
Established "P.T. Japan Drilling Indonesia", a subsidiary in Republic of Indonesia. |
|
Dec |
Completed the development work of the production well at a platform in "Agaoki Kita Oilfield", offshore Niigata, Japan. |
| 1987 |
Jun |
Established "Japan Drilling (Malaysia) Sdn. Bhd.", a joint venture in Malaysia. |
| 1994 |
Mar |
Laid down "HSE Management Plan", a manual for the Company's Health, Safety and Environment. |
| 1995 |
Jun |
Moved head office to Minato-ku in Tokyo. |
| 1997 |
Mar |
Established "Sagadril, Inc.", a subsidiary in Republic of Panama. |
| 2002 |
Dec |
Established "Sagadril 2, Inc", a subsidiary in Republic of Panama. |
| 2004 |
May |
Established "Gulf Drilling International Ltd.", a joint venture with Qatar Petroleum in State of Qatar. |
| 2005 |
Feb |
Established "JDC Panama, Inc.", a subsidiary in Republic of Panama. |
|
Apr |
Restructured "Japan Drilling (Malaysia) Sdn. Bhd." and established "UMW JDC Drilling Sdn. Bhd.", a new joint venture with UMW Corporation in Malaysia. |
|
Aug |
Moved head office to Chuo-ku in Tokyo. |
| 2008 |
Jun |
Built a jack-up rig "HAKURYU-10". |
|
Jul |
Established "Hakuryu 5, Inc.", a subsidiary in Republic of Panama. |
|
Sep |
Established "Mantle Quest Japan Company, Ltd.", a joint venture with NYK Line in Japan. |
|
Sep |
Established "JDC Rig Management Services, Inc.", a subsidiary in Republic of Panama. |
|
Dec |
Started operation and management of the ultra deep-water drillship "CHIKYU" (Owner: Japan Agency for Marine-Earth Science and Technology ) by "Mantle Quest Japan Company, Ltd.". |
| 2009 |
Mar |
Received ISO 9001, ISO 14001 and other certificates in Offshore Drilling Division |
|
May |
Established "JDC DS Delaware, Inc.", a subsidiary in U.S.A. |
|
Dec |
Listed on the First Section of the Tokyo Stock Exchange, and increased capital to 7.2148 billion yen. |
| 2010 |
Jan |
Increased capital to 7.572 billion yen. |
|
Mar |
Established "Japan Drilling (Netherlands) B.V.", a subsidiary in Kingdom of the Netherlands. |
| 2012 |
Oct |
Established "JDC Offshore Malaysia Sdn. Bhd.", a subsidiary in Malaysia. |
| 2013 |
May |
Built a jack-up rig "HAKURYU-11". |
| 2014 |
Apr |
Sold whole shares of Gulf Drilling International Ltd. held by JDC to local partner, Gulf International
Services Q.S.C., and terminated a joint venture in State of Qatar. |
|
Sep |
Established "Japan Drilling Saudi Arabia Company", a subsidiary in Kingdom of Saudi Arabia. |
| 2015 |
Feb |
Leased a jack-up rig "HAKURYU-12" as one of our rig fleet. |
| 2016 |
Oct |
Established "Mega Maroci Japan Drilling S.A.", a subsidiary in Republic of Panama. |
| 2017 |
May |
JDC Panama,Inc. acquired 50% share of the semi-submersible rig "NAGA 1" from UMW Drilling Co.,Ltd. |
|
Oct |
JDC Panama,Inc. sold a semi-submersible rig "NAGA 1". |
| 2018 |
Jan |
Built a jack-up rig "HAKURYU-14". |
|
Jun |
Filed a petition with the Tokyo District Court for the commencement of corporate reorganization proceedings under the Corporate Reorganization Act of Japan. |
| 2019 |
Jan |
Sagadril-2,Inc. sold a jack-up rig "SAGADRIL-2". |
|
Oct |
Filed the reorganization plans with the Tokyo District Court. |
|
Dec |
Dissolved the subsidiary in Panama, Sagadril 2, Inc. |
| 2020 |
Jan |
Sagadril,Inc. sold a jack-up rig "SAGADRIL-1". |
|
Nov |
Moved head office to Taito-ku in Tokyo. |
| 2021 |
Jul |
Dissolved the subsidiary in Panama, Sagadril, Inc. |
| 2022 |
Feb |
Returned leased a jack-up rig "HAKURYU-12" to lessor. |
|
Feb |
Decreased capital to nil by acquiring all issued shares free of charge, and issued new shares. |
|
Mar |
Decreased capital to 100 million yen. |
|
Apr |
Liquidated the joint venture in Malaysia, UMW JDC Drilling Sdn.Bhd. |
|
Apr |
Dissolved the subsidiary in Panama, JDC Panama, Inc. |
