CN100588779C - Method for installing vertical pipe clamp of jacket - Google Patents
Method for installing vertical pipe clamp of jacket Download PDFInfo
- Publication number
- CN100588779C CN100588779C CN200710058603A CN200710058603A CN100588779C CN 100588779 C CN100588779 C CN 100588779C CN 200710058603 A CN200710058603 A CN 200710058603A CN 200710058603 A CN200710058603 A CN 200710058603A CN 100588779 C CN100588779 C CN 100588779C
- Authority
- CN
- China
- Prior art keywords
- pipe
- jacket
- clamp
- installation
- mounting method
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 39
- 238000013507 mapping Methods 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000010924 continuous production Methods 0.000 claims description 4
- 230000003319 supportive effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 230000009189 diving Effects 0.000 description 11
- KFVPJMZRRXCXAO-UHFFFAOYSA-N [He].[O] Chemical compound [He].[O] KFVPJMZRRXCXAO-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Images
Abstract
The invention discloses an installation method of the vertical pipe clamp of a jacket, which comprises the following steps: marking, clamp installation, swinging, initial installation, continued installation and wiring, wherein, in the step of the marking, a diver sets an underwater mapping and installation location; in the step of the clamp installation, in accordance with the measured sizes, a plurality of small clamps are fixed on the pipe at intervals, lifting points are provided on the pipe and large clamps are opened; in the step of the swinging, the pipes are lifted to the installationlocation and the driver is responsible for the underwater command that a windlass straighten the location of the pipe on a platform; in the step of the initial installation, the large clamps are fixedon a lacing pipe from bottom to top, the small clamps are opened and the pipes are lifted to the platform; in the step of the continued installation, the clamps at the higher installation position are installed in sequence by circularly carrying out clamp installation, swinging and initial installation; and in the step of the wiring, the pipelines are arranged into the small clamps.
Description
Technical field
The present invention relates to a kind of mounting method of riser clip of jacket, relate in particular to the back mounting method of the riser clip of jacket " the many cards of a pipe ", " the many cards of a pipe " method of using is installed riser clip.
Background technology
The jacket 2 of prior art, as shown in Figure 1, jacket is made of stake pipe 3 and reinforcement tube 4, stake pipe 3 plays a supportive role in vertical direction, it can be 4,6 or more, stake pipe 3 is vertical in the left and right sides, but slightly recede forward,, also have square top and bottom simultaneously so 2 pairs of jackets incline, its height is about 90 meters, reinforcement tube 4 is connected between each pipe 3, has laterally, also has oblique, quantity and structure, the load when depending primarily on operation on the sea and the influence of meteorologic factors such as wave and wind-force of stake pipe 3 and reinforcement tube 4.Platform 1 is being set above the jacket 2, can be used for the sea on the platform 1 and creep into operation, also can be used for the exploration and development and the production of oil and natural gas, jacket can also be used to supporting other any type of marine structure, on the platform 1 hoist engine is being set, pipeline 5 is used clamp 6 and is arranged on the reinforcement tube 4, and the scale in diagram left side is the sea level altitude of each clamp 6.
There is following defective in the mounting method of the riser clip of the jacket of prior art:
In the mounting method of the riser clip of prior art jacket, helium-oxygen diving is subject to own characteristic, the underwater operation time is very of short duration, the time of diving operation is generally at 20 to 30 minutes, long about 40 minutes, in finishing the riser clip installation work, also need riser clip pitch angle and the adjustment of position, the left and right sides, most of installation work needs continuous production process, and operating efficiency is very low.And because of low its operation continuity of helium-oxygen diving operating efficiency can't be protected, installation work has difficulty.Riser clip is excessive because of weight, and inconvenience is installed, and also exists riser clip pitch angle and position, the left and right sides to adjust problems such as difficulty with one heart in the installation work.
Summary of the invention
Technical problem to be solved by this invention is, a kind of mounting method of riser clip of jacket is provided, and " the many cards of a pipe " method of using is installed riser clip.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
Mounting method as the riser clip of a kind of jacket of the present invention, jacket is made of stake pipe and reinforcement tube, the stake pipe plays a supportive role in vertical direction, reinforcement tube is connected between each pipe, platform is being set above the jacket, pipeline is fixed on the reinforcement tube with clamp, clamp comprises that binding is the kilocalorie of one and lesser calorie two parts, this mounting method comprises mark successively, last card, handling, just adorn, continuous dress and wiring step, in markers step, by the diver mapping installation site is set under water, in last card step, according to the size of measuring, the lesser calorie of a plurality of clamps of fixed interval on pipe, and suspension centre is set on pipe, and kilocalorie is opened, in the handling step, pipe is hung the installation site, commanded under water by the diver, step is adorned in the position of the hoist engine alignment pipe on the platform just, from bottom to top, kilocalorie is fixed on the reinforcement tube, opens lesser calorie, and pipe hung get back on the platform, in continuous dress step, circulation is carried out and is gone up card, handling and first dress step are come the higher clamp in installation site successively, in the wiring step, pipeline are arranged in the lesser calorie.
And, pipe is provided with the position of three installation clips, in last card step, three clamps are installed simultaneously, in continuous dress step, only be installed in two clamps of installation site, top, the fixed-site of bottom installation clip has been installed in the lesser calorie of the clamp of the extreme higher position on the jacket, and each so all is that three lesser calories are on same straight line fixedly the time.
And, on this, block step, with rope binding kilocalorie, make kilocalorie keep open state.
And in this handling step, the pipe clamp drop to the upper end that tilts is contacting reinforcement tube, slowly puts down the lower end of pipe again, till the clamp contact reinforcement tube of the lower end of pipe.
And, the hinge of being convenient to open and close is being set on this kilocalorie, be provided with on the hinge and leading chain.
And the distance between this adjacent clamp is 8 meters to 15 meters.
In addition, this markers step is put the bottom that two steel wires go down and are fixed in jacket earlier from the water surface, and in first dress and continuous process of assembling, system has steel wire buckle, pipe just can be with clamp to drop to preposition reposefully along steel wire at clamp.
The invention has the beneficial effects as follows:
Compared with the prior art the mounting method of the riser clip of jacket of the present invention, has following advantage:
At first, link dress more, improved the efficient that riser clip is installed;
Secondly, after the installation, riser clip directly is in coaxial state, saves with axial adjustment work;
And, waterborne finishing transferred in the work of part diving, reduce the diving operation amount, and then improve the diving operation safety;
In addition, shorten riser clip significantly the required duration is installed, significantly save project cost.
Description of drawings
Fig. 1 is the lateral view of prior art jacket, standpipe and clamp
Fig. 2 is the front view of jacket, standpipe and clamp in the mounting method of the riser clip of jacket of the present invention
Among the figure:
1: platform 2: jacket
3: stake pipe 4: reinforcement tube
5: pipeline 6: clamp
7: pipe 8: kilocalorie
9: lesser calorie 10: hinge
The specific embodiment
Be described in further detail below in conjunction with the mounting method of the drawings and specific embodiments the riser clip of jacket of the present invention:
Because in the mounting method of the riser clip of jacket of the present invention, the lateral view of jacket, standpipe and clamp is identical with the prior art content, so do not repeat to provide.
In a specific embodiment of the mounting method of the riser clip of jacket of the present invention, need to adopt helium-oxygen diving 9 cover riser clips to be installed at platform,
As shown in Figure 2, in the mounting method of the riser clip of jacket of the present invention, jacket 2 is made of stake pipe 3 and reinforcement tube 4, stake pipe 3 plays a supportive role in vertical direction, in the left and right sides is vertical, but slightly recede forward, thereby cause 2 pairs of jackets to incline, thereby structure is more firm, its depth of water is about 90 meters, reinforcement tube 4 is connected between each pipe 3, have horizontal, also have oblique, platform 1 is being set above the jacket 2, on the platform 1 hoist engine is being set, pipeline 5 usefulness clamps 6 are fixed on the reinforcement tube 4, the scale at diagram middle part is the sea level altitude of each clamp 6, clamp 6 comprises that binding is the kilocalorie 8 of one and lesser calorie 9 two parts, kilocalorie 8 is used for fixing on reinforcement tube 4, lesser calorie 9 finally is used for fixing pipeline 5, this mounting method comprises mark successively, last card, handling, just adorn, continuous dress and wiring step in markers step, are provided with the mapping installation site under water by the diver, in last card step, according to the size of measuring, the lesser calorie 9 of a plurality of clamps 6 of fixed interval on pipe 7, and kilocalorie 8 opened, simultaneously, on pipe 7, suspension centre is set, on the suspension centre be the hoist cable of hoist engine, in the handling step, hoist engine on the platform 1 hangs the installation site with pipe 7, commanded under water by the diver, step is adorned in the position of the hoist engine alignment pipe 7 on the platform 1 just, from bottom to top, kilocalorie 8 is fixed on the reinforcement tube 4, opens lesser calorie 9, and pipe 7 hung get back on the platform 1, in continuous dress step, circulation is carried out and is gone up card, handling and first dress step are come the higher clamp 6 in installation site successively, in the wiring step, pipeline 5 are arranged in the lesser calorie 9.
Simultaneously, pipe 7 is provided with the position of three installation clips 6, in last card step, three clamps 6 are installed simultaneously, in continuous dress step, only be installed in two clamps 6 of installation site, top, the installation site, bottom is used for fixing the lesser calorie 9 of the clamp 6 that is installed in the extreme higher position on the jacket 2.Each so all is that three lesser calories 9 are on same straight line fixedly the time.At grade, all three adjacent clamps 6 are all on same straight line, and all on same straight line, the concentricity of clamp 6 and pitch angle just do not need the secondary centering to the clamp 6 that just means the place like this.Save diver's working time, reduced diver's working strength.
And,,, make kilocalorie 8 keep open state with rope binding kilocalorie 8 in last card step.
And in the handling step, pipe 7 tilts and descends slowly, embraces reinforcement tube 4 up to the mouth of pipe, at this moment, the clamp 6 contact reinforcement tubes 4 of upper end, the lower end of slowly putting down pipe 7 again touches reinforcement tube 4 to the clamp 6 of the lower end of pipe 7.
And, the hinge of being convenient to open and close 10 is being set on the kilocalorie 8, be provided with on the hinge 10 and leading chain or rope, the diver is easy to kilocalorie 8 is closed.Can certainly hinge 10 be set on lesser calorie 9 equally, lead chain or rope, reduce operation intensity.
And the distance between the adjacent clamp 6 is 8 meters to 15 meters, and the length of pipe 7 is about 23 meters like this, and the gross weight of three cards, one pipe is about 8 tons.
In addition, markers step is put the bottom that two steel wires go down and are fixed in jacket 2 earlier from the water surface, in first dress and continuous process of assembling, is that steel wire buckle is arranged at clamp 6, and pipe 7 just can be with clamp 6 to drop to preposition reposefully along steel wire.
The mounting method of the riser clip of jacket of the present invention is by " the many cards of a pipe ", effectively solved in the prior art with the extremely loaded down with trivial details shortcoming of axial adjustment workload, its principle is: according to by the order that is deep to shallow installation, a plurality of riser clips and concentric cable protecting tube are assembled on Platform Deck in the relative installation on the jacket in advance according to it, integral hoisting begins diving operation then and fixes to the installation site.According to this pattern, former riser clip is installed successively.Like this, 9 cover riser clips just directly are in coaxial state in that fastening back is installed, need not to adjust pitch angle and about skew, greatly reduced the diving workload, shortened the project duration.
Emphasis of the present invention and difficult point are the accuracy control of whole assembling in advance and the Balance Control of integral hoisting." one pipe many card " mounting method just is that than the benefit of prior art maximum it can accomplish that many cover riser clips connect dress, saved simultaneously complicated loaded down with trivial details riser clip pitch angle and about skew adjustment work.
The mounting method of the riser clip of jacket of the present invention is successful Application, achieves noticeable achievement, and its job practices is proved safe and reliable in engineering practice.This mounting technique is applicable to the platform riser clip and installs that it is many especially to be suitable for installation quantity, and the clamp profile is bigger, the project that should not regulate.Because it has reduced the diving operation amount that riser clip is installed significantly, so this method can significantly improve the construction overall security.
In the present embodiment, adopt helium-oxygen diving 9 cover riser clips to be installed at platform, this still belongs to the first time at home, possessed novelty fully, proposition of the present invention and application are actual saves 22 days durations, the saving amplitude reached for 60% (37 days total durations of riser clip), be equivalent to for company save cost reach 200 surplus ten thousand yuan.In the present embodiment, the proposition of mounting technique and use and shortened the duration significantly behind " one pipe many card " method riser clip, the high-quality and efficient construction task of having finished has obtained owner's height approval.
Claims (7)
1, a kind of mounting method of riser clip of jacket, jacket is made of stake pipe and reinforcement tube, the stake pipe plays a supportive role in vertical direction, reinforcement tube is connected between each pipe, platform is being set above the jacket, pipeline is fixed on the reinforcement tube with clamp, clamp comprises that binding is the kilocalorie of one and lesser calorie two parts, it is characterized in that: described mounting method comprises mark successively, last card, handling, just adorn, continuous dress and wiring step, in markers step, by the diver mapping installation site is set under water, in last card step, according to the size of measuring, go up the lesser calorie (9) of a plurality of clamps of fixed interval (6) at pipe (7), and on pipe (7), suspension centre is set, and kilocalorie (8) opened, in the handling step, pipe (7) is hung the installation site, command under water by the diver, the position of the hoist engine alignment pipe (7) on the platform (1), adorn step just, from bottom to top, kilocalorie (8) is fixed on the reinforcement tube (4), opens lesser calorie (9), and pipe (7) hung get back on the platform (1), in continuous dress step, circulation is carried out and is gone up card, operation in handling and the first dress step comes the higher clamp (6) in installation site successively, in the wiring step, pipeline (5) is arranged in the lesser calorie (9).
2, the mounting method of the riser clip of jacket according to claim 1, it is characterized in that: described pipe (7) is provided with the position of three installation clips (6), in last card step, three clamps (6) are installed simultaneously, in continuous dress step, pipe (7) only is installed in two clamps (6) of installation site, top, the fixing lesser calorie (9) that has been installed in the clamp (6) of the extreme higher position on the jacket (2) in installation site, bottom, and each so all is that three lesser calories (9) are on same straight line fixedly the time.
3, the mounting method of the riser clip of jacket according to claim 1 is characterized in that: block step on described, with rope binding kilocalorie (8), make kilocalorie (8) keep open state.
4, according to the mounting method of the riser clip of any one described jacket in the claim 1 to 3, it is characterized in that: in described handling step, the clamp (6) that pipe (7) tilts to drop to the upper end touches reinforcement tube (4), slowly put down the lower end of pipe (7) again, touch reinforcement tube (4) to the clamp (6) of the lower end of pipe (7).
5, the mounting method of the riser clip of jacket according to claim 4 is characterized in that: the hinge of being convenient to open and close (10) is being set on the described kilocalorie (8), is being provided with on the hinge (10) and is leading chain.
6, the mounting method of the riser clip of jacket according to claim 4 is characterized in that: the distance between the adjacent described clamp (6) is 8 meters to 15 meters.
7, the mounting method of the riser clip of jacket according to claim 4, it is characterized in that: in described markers step, from the water surface, put the bottom that two steel wires go down and are fixed in jacket (2) earlier, in first dress and continuous process of assembling, at clamp (6) is that steel wire buckle is arranged, and pipe (7) just can be with clamp (6) to drop to preposition reposefully along steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710058603A CN100588779C (en) | 2007-08-06 | 2007-08-06 | Method for installing vertical pipe clamp of jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710058603A CN100588779C (en) | 2007-08-06 | 2007-08-06 | Method for installing vertical pipe clamp of jacket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101363218A CN101363218A (en) | 2009-02-11 |
| CN100588779C true CN100588779C (en) | 2010-02-10 |
Family
ID=40389802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710058603A Expired - Fee Related CN100588779C (en) | 2007-08-06 | 2007-08-06 | Method for installing vertical pipe clamp of jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100588779C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284828B (en) * | 2011-04-28 | 2013-06-19 | 中国海洋石油总公司 | Adjustment process for coaxiality of pipe clamp |
| CN103090139A (en) * | 2013-01-22 | 2013-05-08 | 天津鹏翎胶管股份有限公司 | Method for rapidly completing hoop assembly through installation marks |
| CN103883273B (en) * | 2014-02-19 | 2016-05-11 | 中国海洋石油总公司 | Utilize saturation diving to support the double crane on ship that the method for standpipe is installed |
| CN107584252B (en) * | 2017-09-22 | 2019-04-09 | 中国海洋石油集团有限公司 | The packaging technology of steel tube end part saddle port |
| CN114156784B (en) * | 2021-11-03 | 2024-03-22 | 海洋石油工程股份有限公司 | Post-installation method of cable protection tube |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254522A (en) * | 1978-01-30 | 1981-03-10 | Bluewater Terminal Systems N.V. | Single-point mooring buoy |
| US4273474A (en) * | 1979-05-11 | 1981-06-16 | Brown & Root, Inc. | Grouting of offshore jackets to distribute forces among the anchoring piles |
| US4354446A (en) * | 1980-08-22 | 1982-10-19 | Conoco Inc. | Temporary mooring of tension leg platforms |
| US4696603A (en) * | 1985-12-05 | 1987-09-29 | Exxon Production Research Company | Compliant offshore platform |
| CN1084923A (en) * | 1992-09-16 | 1994-04-06 | 巴西石油公司 | The band that supports ocean platform is widened the jacket structure of base |
| CN1290829A (en) * | 2000-11-14 | 2001-04-11 | 胜利石油管理局工程建设一公司三分公司 | Pipe dragging method and special device for seashore landing pipeline |
-
2007
- 2007-08-06 CN CN200710058603A patent/CN100588779C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254522A (en) * | 1978-01-30 | 1981-03-10 | Bluewater Terminal Systems N.V. | Single-point mooring buoy |
| US4273474A (en) * | 1979-05-11 | 1981-06-16 | Brown & Root, Inc. | Grouting of offshore jackets to distribute forces among the anchoring piles |
| US4354446A (en) * | 1980-08-22 | 1982-10-19 | Conoco Inc. | Temporary mooring of tension leg platforms |
| US4696603A (en) * | 1985-12-05 | 1987-09-29 | Exxon Production Research Company | Compliant offshore platform |
| CN1084923A (en) * | 1992-09-16 | 1994-04-06 | 巴西石油公司 | The band that supports ocean platform is widened the jacket structure of base |
| CN1290829A (en) * | 2000-11-14 | 2001-04-11 | 胜利石油管理局工程建设一公司三分公司 | Pipe dragging method and special device for seashore landing pipeline |
Non-Patent Citations (2)
| Title |
|---|
| 雷卡定位技术在平台导管架海上就位中的应用. 苗文成.中国海洋平台，第16卷第2期. 2001 |
| 雷卡定位技术在平台导管架海上就位中的应用. 苗文成.中国海洋平台，第16卷第2期. 2001 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101363218A (en) | 2009-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101491740B1 (en) | A method of installing a submerged tidal hydroelectric turbine | |
| CN100588779C (en) | Method for installing vertical pipe clamp of jacket | |
| CN101920771B (en) | Method for undock ballasting in ship building | |
| CN104727336A (en) | Construction method of large single-pipe pile foundation of shallow-sea wind power plant | |
| CN113148030B (en) | Laying and installing method for deepwater submarine cable side launching | |
| CN104480865B (en) | A kind of Large Steel open caisson accurate positioning method | |
| CN106218828B (en) | Removable wellhead platform and application method for offshore marginal oilfield exploitation | |
| CN111661273B (en) | Installation and construction method of deep and open sea semi-submersible fan | |
| WO2003074353A1 (en) | A method for underwater transportation and installation or removal of objects at sea | |
| CN103213654B (en) | A kind of method of construction of platform | |
| CN103883273A (en) | Method for utilizing two cranes on saturation diving support vessel to mount vertical pipe | |
| CN110185057B (en) | Tool and construction method for lifting and erecting steel pipe piles of offshore wind power single pile foundation | |
| CN101370708B (en) | A method of contemporaneously constructing more than one semi-submersible rig using transverse skidding | |
| CN107313350A (en) | A kind of marine integral hoisting method of profile iron Sarasota | |
| CN102213085A (en) | Installation method of vertical pipe of guide pipe rack | |
| CN107084784B (en) | A kind of four body ship type underwater measurement platform of movable lifting | |
| CN101929581B (en) | Underwater pipe clamp mounting method | |
| CN104963521A (en) | System and construction method used for integral hoisting and rotation of steel tower | |
| WO1999048753A9 (en) | Spar construction method | |
| CN103255775A (en) | Method for installing cofferdam | |
| CN111980594B (en) | Temporary seabed base plate and method for installing deepwater surface layer conduits in batches | |
| CN202578652U (en) | In-place auxiliary bracket for vertical pipe | |
| CN114455033B (en) | Underwater equipment floating type test platform and use method thereof | |
| CN201250067Y (en) | Hydraulic flashboard balance crane | |
| CN113879487A (en) | Non-self-floating immersed tube discharging method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: OFFSHORE OIL ENGINEERING CO., LTD. BLUEOCEAN TECHN Free format text: FORMER OWNER: OFFSHORE OIL ENGINEERING CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20101026 Address after: 100010, 25, North Main Street, Dongcheng, Beijing, Chaoyangmen Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: TIANJIN BLUOCEAN TECHNOLOGY INSPECTION Co.,Ltd. Address before: 100010, 25, North Main Street, Dongcheng, Beijing, Chaoyangmen Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
| ASS | Succession or assignment of patent right |
Owner name: OFFSHORE OIL ENGINEERING CO., LTD. TIANJIN BLUOCEA Free format text: FORMER OWNER: OFFSHORE OIL ENGINEERING CO., LTD. TIANJIN BLUOCEAN TECHNOLOGY INSPECTION CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110609 Address after: 100010, 25, North Main Street, Dongcheng, Beijing, Chaoyangmen Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: TIANJIN BLUOCEAN TECHNOLOGY INSPECTION Co.,Ltd. Co-patentee after: COOEC SUBSEA TECHNOLOGY Co.,Ltd. Address before: 100010, 25, North Main Street, Dongcheng, Beijing, Chaoyangmen Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: TIANJIN BLUOCEAN TECHNOLOGY INSPECTION Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: TIANJIN BLUOCEAN TECHNOLOGY INSPECTION Co.,Ltd. Co-patentee after: COOEC SUBSEA TECHNOLOGY Co.,Ltd. Address before: No. 25, Chaoyangmen North Street, Dongcheng, Beijing Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: TIANJIN BLUOCEAN TECHNOLOGY INSPECTION Co.,Ltd. Co-patentee before: COOEC SUBSEA TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 |