JPS59140393U - Riser pipe protection device for ice-water oil drilling rigs - Google Patents
Riser pipe protection device for ice-water oil drilling rigsInfo
- Publication number
- JPS59140393U JPS59140393U JP3342383U JP3342383U JPS59140393U JP S59140393 U JPS59140393 U JP S59140393U JP 3342383 U JP3342383 U JP 3342383U JP 3342383 U JP3342383 U JP 3342383U JP S59140393 U JPS59140393 U JP S59140393U
- Authority
- JP
- Japan
- Prior art keywords
- riser pipe
- protection device
- ice
- oil drilling
- pipe protection
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例の氷海石油掘削装置の側面図、
第２図は第１図のライザー管保護装置の拡大側面図、第
３図は第１図のライザー管保護装置と各作業水位との関
係を示す説明図である。
２・・・プラットフォーム、３・・・氷海石油掘削装置
、４・・・海底、５・・・ライザー管、６・・・ライザ
ー管保護装置、６Ａ・・・上部、６Ｂ・・・下部、７・
・・流氷、Ｗ・・・海水。FIG. 1 is a side view of an ice-water oil drilling rig according to an embodiment of the present invention;
FIG. 2 is an enlarged side view of the riser pipe protection device shown in FIG. 1, and FIG. 3 is an explanatory diagram showing the relationship between the riser pipe protection device shown in FIG. 1 and each working water level. 2... Platform, 3... Icy oil drilling rig, 4... Seabed, 5... Riser pipe, 6... Riser pipe protection device, 6A... Upper part, 6B... Lower part, 7・
...drift ice, W...seawater.
Claims (1)
る海上石油掘削装置において、そのプラットフォームの
底部から該ライザー管の周囲を覆うように海水中に突出
し、かつその流氷との当接部が円錐台形状に形成され、
更にその下部が格子状の下開き円錐台に形成されたライ
ザー管保護装置を設けたことを特徴とする氷海石油掘削
装置のライザー管保護装置。In an offshore oil drilling rig that has a riser pipe installed from the bottom of the platform to the seabed, the bottom of the platform protrudes into the seawater to cover the riser pipe, and the part that contacts the drift ice is shaped like a truncated cone. is,
A riser pipe protection device for an ice-water oil drilling rig, further comprising a riser pipe protection device whose lower part is formed into a truncated cone shaped like a lattice.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3342383U JPS59140393U (en) | 1983-03-10 | 1983-03-10 | Riser pipe protection device for ice-water oil drilling rigs |
| NO831427A NO831427L (en) | 1982-10-22 | 1983-04-22 | OFFSHORE OIL DRILLING CONSTRUCTION. |
| FI831402A FI831402L (en) | 1982-10-22 | 1983-04-25 | OLJEBORRNINGSSTRUKTUR |
| CA000426630A CA1197183A (en) | 1982-10-22 | 1983-04-25 | Marine riser protector for use on offshore oil drilling rigs in icy waters |
| US06/490,147 US4505618A (en) | 1982-10-22 | 1983-04-29 | Marine riser protector for use on offshore oil drilling rigs in icy waters |
| NO863035A NO863035D0 (en) | 1982-10-22 | 1986-07-28 | OFFSHORE OIL DRILLING CONSTRUCTION. |
| FI883687A FI883687A0 (en) | 1982-10-22 | 1988-08-08 | OLJEBORRNINGS-OFFSHORESTRUKTION. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3342383U JPS59140393U (en) | 1983-03-10 | 1983-03-10 | Riser pipe protection device for ice-water oil drilling rigs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59140393U true JPS59140393U (en) | 1984-09-19 |
| JPS6332218Y2 JPS6332218Y2 (en) | 1988-08-29 |
Family
ID=30164217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3342383U Granted JPS59140393U (en) | 1982-10-22 | 1983-03-10 | Riser pipe protection device for ice-water oil drilling rigs |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59140393U (en) |
-
1983
- 1983-03-10 JP JP3342383U patent/JPS59140393U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6332218Y2 (en) | 1988-08-29 |
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