CN203381779U - Mobile offshore drilling unit - Google Patents
Mobile offshore drilling unit Download PDFInfo
- Publication number
- CN203381779U CN203381779U CN201320078905.1U CN201320078905U CN203381779U CN 203381779 U CN203381779 U CN 203381779U CN 201320078905 U CN201320078905 U CN 201320078905U CN 203381779 U CN203381779 U CN 203381779U
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- Prior art keywords
- deck
- marine drilling
- drilling unit
- diving
- unit
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- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H2005/005—Front propulsors, i.e. propellers, paddle wheels, or the like substantially arranged ahead of the vessels' midship section
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
A mobile offshore drilling unit is described. The mobile offshore drilling unit comprises an operation deck supported above a diving deck by four or more than four columns. The diving deck can be a float deck or a pad type deck. In operation, the ratio of water discharge mount of the mobile offshore drilling unit to the total cross section area of the columns is at least about 40 metric tons/square meter. Two ends of the diving deck are respectively provided with a recess. A propeller unit is disposed in each recess. Propellers in the propeller unit are in a staggering arrangement in a longitudinal direction and a transverse direction.
Description
Technical field
The described embodiment of the application relates to the ship of supporting the marine drilling activity.More particularly, the application discloses the embodiment for the semi-submerged ship of drilling well and well workover.
Background technology
The production of oil and natural gas is the industry of one upper trillion dollars.In 2010, the U.S. produces surpassed 28% oil and 15% natural fuels is produced in the Gulf of Mexico, approximately 25,000,000,000 dollars of its costs.In world wide, from 2010 to 2015, the investment of offshore oil and gas industry and performance budget are approximately annual 2000 hundred million dollars.This extensive and active industry need can be under various sea water advanced and conditions operation so that the application ship of drilling well and/or well workover function to be provided.This function comprises hardware state or the geometric configuration that changes mine, carries out the mine diagnostic operation, or carries out the production control of mine.
This class drilling vessel is commonly referred to removable marine drilling unit, or referred to as MODU.The significant capability of MODU comprise can under various ocean conditions, stablize floating, can be in water and land efficient transportation, can with the compatibility in crucial seaway (as the Panama Canal and the Suez Canal), and can provide general deck fittings, crewman to stay and the production space.Improving the MODU technical characterictic is lasting needs.
The utility model content
The disclosed example of the application provides a kind of removable marine drilling unit.This removable marine drilling unit has by four or more columns and is bearing in the operation deck on the diving deck, and wherein in operation, the displacement of removable marine drilling unit is at least about 40 tonnes/sq m with the ratio of the total cross-sectional area of column.This diving deck respectively has a recess at each end place.The propelling unit group arranges in each recess.A plurality of propelling units in the propelling unit group are at longitudinal direction and relative to each other shift to install in a lateral direction.
In the above-described embodiments, propelling unit is no more than about two meters below being projected into the diving deck.And in the above-described embodiments, each propelling unit transmits at least about 3 megawatt spies' power.
This diving deck can be buoy deck or cushion deck.This operation deck can attach to the platform in aggregates with column.The operation deck is generally the boxlike deck, and it can support and be generally that oil well is repaired equipment that ship or drilling ship have and without redesign deck or shell.Stand is arranged on the opening on operation deck, to be provided to lower deck and to the passage of the water surface.Operation can also be supported one or two hoisting cranes and pipe support and laying work area on deck.Can also there be autogyro bay-lift, life dormitory and/or control center in the operation deck.
Disclosed another embodiment of the application provides another kind of removable marine drilling unit.This removable marine drilling unit comprises: the operation deck with box structure; Be positioned at the diving deck of below, operation deck; The operation deck is bearing in to a plurality of columns of top, diving deck; Be positioned at the recess at the relative place, two ends on diving deck; And the propelling unit group that is arranged in each recess on described diving deck.
Disclosed another embodiment of the application provides another removable marine drilling unit.This removable marine drilling unit comprises: the diving deck, and this diving deck respectively has recess at the two ends of its lower surface; Be arranged in two of each recess of the diving deck or multi-thruster group more, each propelling unit group comprises two or multi-thruster more, wherein each propelling unit in a propelling unit group shifts to install along the longitudinal direction of removable marine drilling unit and each other propelling unit in horizontal direction and this propelling unit group, and propelling unit be projected into diving deck basal surface below be no more than about two meters; Boxlike operation deck, this boxlike operation deck is bearing in top, diving deck by a plurality of hollow and oblong column with tapered corner angle, wherein a plurality of hollow pillar stands have a total cross-sectional area, make removable marine drilling unit displacement in operation and the ratio of total cross-sectional area of a plurality of columns be at least about 40 tonnes/sq m; And with column platform in aggregates, this boxlike operation deck attaches to this platform.
The accompanying drawing explanation
For the detailed understanding to above-mentioned feature of the present utility model is provided, reference example to above short summary the utility model describe more specifically, the part example is shown in the drawings.Yet, it should be noted that accompanying drawing only illustrates representative instance of the present utility model, therefore should not be considered as the restriction to the utility model scope.The utility model can allow other equivalent examples.
Fig. 1 is the lateral plan according to the removable marine drilling unit (" MODU ") of the utility model one example.
Fig. 2 A is the end elevation according to the MODU of another example of the utility model.
The part backplan that Fig. 2 B is the MODU shown in Fig. 2 A.
The partial cross section figure that Fig. 2 C is the MODU shown in Fig. 2 A.
The birds-eye view that Fig. 3 is the MODU shown in Fig. 2 A.
Fig. 4 is the lateral plan according to the MODU of another example of the present utility model.
Fig. 5 is the end elevation according to the MODU of another example of the present utility model.
In order to help to understand, in the situation that conditions permit is used identical Reference numeral to indicate the similar elements in each accompanying drawing.Can expect that the element of describing in one example can not need special version for other examples.
The specific embodiment
Fig. 1 is the lateral plan according to the removable marine drilling unit (MODU) 100 of the utility model one example.This MODU100 is semisubmersible, has the diving deck 102 that is shown in datum line 1 below that represents the water surface.This MODU100 has the operation deck 104 of leaving diving deck 102 by a plurality of column 106 supportings.
Usually having at least four columns 106 will operate deck 104 is bearing on diving deck 102.But, the number of column 106 may be between four to eight.Column height 160 is chosen to be the maximum draft that provides required, is generally the operation draft, and water surface gap, the deck that is greater than maximum wave height also is provided simultaneously.In the example shown in Fig. 1, column height 160, between about 15 meters and about 20 meters, for example, is about 18.5 meters.The spaced apart certain distance of column 106, this distance elects to provide the stability of this drilling vessel MODU100 as.In the example shown in Fig. 1, column is in longitudinal direction and alignment in a lateral direction.In other words, the straight line crossing with the line of centers of each column of appreciiable in Fig. 1 or plane parallel with the line of centers longitudinal axis of this drilling vessel.Similarly, column 106 also aligns on perpendicular direction at the line of centers longitudinal axis with this drilling vessel MODU100.But, column 106 also can align by other means.For example, as long as the stability of this drilling vessel can maintain, column can shift to install along horizontal direction and/or longitudinal direction.
Each column 106 has lateral dimension and longitudinal size.This lateral dimension is less than this longitudinal size.The total cross-sectional area of column for providing one can strengthen drilling vessel stability is provided column.Under operating conditions, the ratio of the total cross-sectional area of the displacement of drilling vessel and column is generally at least about 40 tonnes/sq m, such as between about 40 tonnes/sq m and about 60 tonnes/sq m.For example, for the heave cycle at about 19 seconds to about 35 seconds---for example, about 20 seconds---be about 45 tonnes/sq m.The lateral dimension of the column 106 shown in Fig. 1 is about 13 meters, and longitudinal size is about 14 meters.Each column 106 has the fluid resistance of tapered profile while moving to reduce hull, and then improves energy utilization rate.Tapered part can be angled or in the arc-shaped, or both combine.In the example shown in Fig. 1, tapered part is for to become to be approximately 45% angle with longitudinal direction with horizontal direction.
This diving deck 102 can be cushion deck or a plurality of floating drum, is generally two floating drums.The pontoon type deck provides better location to keep due to little and actv. hydraulic pressure area and travelling speed faster.The pontoon type design has lower overall weight, thereby allows to use the DP2 propulsion system.But the cushion hull has advantage anti-turning over aspect stability and ship motion characteristic, and allows narrower whole ship structure.Floating drum and cushion hull normally hollow to reduce weight and to provide space to be used for laying operating equipment, as ballast pump and/or angle of rake control convenience.Floating drum and cushion hull can be skins bivalve or two.The feature of floating drum is circular surface, thereby because circular surface produces stress point and reduces fluid resistance and improve structural strength unlike corner angle.
Diving deck 102 has 166 and two ends 162, middle part.166 Thickness Ratio is large at the thickness of two ends 162 in the middle on diving deck 102, thereby each end 162 is limited with recess 108.Diving deck 102 is positioned at diving deck 102 in the middle on the basal surface 120 at 166 places at the basal surface 164 at each recess 108 place.The height 119 of recess 108 above the basal surface 120 on diving deck 102 is chosen to be the space of one or more propelling unit groups 112 being installed for providing.Propelling unit group 112 is arranged on the basal surface 164 of each recess 108.The height of the basal surface 164 of each recess 108 above the basal surface 120 on diving deck 102 between about 3 meters to about 10 meters, is for example about 5 meters usually.
Each propelling unit group 112 has the propelling unit 114 on a plurality of basal surfaces 164 that are arranged on recess 108.Propelling unit 114 is the outstanding distance 118 that deducts the height 119 of recess 108 from basal surface 120 belows on diving deck 102.Because angle of rake overhang reduces, so drilling vessel 100 can move in shallow water, and transportation drilling vessel 100 needs less formation works.Recess height 119 is selected to the overhang of propelling unit below the basal surface 120 on diving deck 102 that provides required, makes entering angle of rake current and angle of rake energy efficiency without negative effect.Recess height 119 can, between about 1 meter to about 6 meters, as between about 1.5 meters to about 4 meters, be for example about 2 meters.Recess has also reduced tow rope resistance.Be generally selected in and be less than about 35 meters along the recess length of the longitudinal direction of MODU100, such as between about 5 meters to about 30 meters, be for example about 20 meters, thereby the required rotation space of propelling unit 114 and the required enough current zones of propelling unit 114 valid functions are provided.At each end, recess 108 can be identical length, or can be different length.
Each column 106 has an end 168, and this end 168 aligns with the engagement point at diving 102 end 162, deck and middle part 166.The construction of drilling vessel 100 has been simplified in this arrangement, but its operation is not had to critical impact.If needed, as long as the mechanical strees on the joint at end 162 and itself and middle part 166 is suitably controlled, column 106 can be located at the position of departing from end 162 and 166 joints, middle part.
At two ends, diving deck 102 extends beyond no more than about 10 meters of operation deck 104.Column 106 and operation deck 104 can have common border, or operation deck 104 can be along the longitudinal direction and/or horizontal direction extend beyond column 106.In Fig. 1, operation deck 104 is shown as and extends beyond along the longitudinal direction about 2 meters of column 106.Column 106 is placed with respect to operation 104 position, deck the load arrangement and the stability that depend on operation deck 104 and is considered.In the example shown in Fig. 1, the overhang that operation deck 104 exceeds column 106 allows larger operating area, and this overhang is that the stability that the column cross-section area provides allows.
Total length at the MODU100 shown in Fig. 1 is approximately 104 meters, the operation deck 104 diving deck 102 basal surface 120 above about 34 meters.About 84 meters long of operation deck 104.Under all operational modes, drilling vessel has forward metacentric height (metacentric height, or GM).Under temperate condition, during steady steaming, the minimum value of GM is 2 meters.It is zero or larger that but alternate example can be embodied as GM.MODU100 can zoom to and reduce 20% or increase 20% and have roughly the same stability.When being equipped with twin float diving deck, eight special (MW) DP2 propelling units of 3 megawatts---each four propelling units of every end---and when draft is about 54 feet (16.46 meters) operation, MODU100 estimates can be in the situation that wind speed be high to about 40 nautical miles/hour (KNOT) with surface velocity is high keeps in any direction locating to about 3 nautical miles/hour (KNOT).After the MODU100 completion, can have displacement and the transportation draining depth of 20,000 tons to be less than about 10 meters, as be less than about 8 meters, be for example about 7 meters.
Equipment on operation deck 104 can configure according to specific requirement.In the example shown in Fig. 1, the side that is positioned at the stand 152 of central part is provided with the hoisting crane 154 of 75 tons, and autogyro bay-lift 156 is positioned at an end place on operation deck 104 near dormitory 158 and bridge construction 156.The operation deck 104 of MODU100 shown in Fig. 1 has the clear space of about 3000 sq ms.
Fig. 2 A is the end elevation according to the MODU200 of another example of the utility model.The feature of MODU200 is the floating drum example with two floating drums 202.Each floating drum 202 has propelling unit group 112, and each propelling unit group 112 has two propelling unit 114A and 114B.Propelling unit 114A/114B in single propelling unit group 112 shifts to install along horizontal direction and longitudinal direction.The backplan that Fig. 2 B is a floating drum 202.Fig. 2 B shows that two propelling unit 114A/114B are about the transversion malposition of horizontal direction 240 and longitudinal direction 230 and vertically dislocation.Thereby shifting to install shown in Fig. 2 B makes to become stream line pattern to reduce energy resource consumption by the current of propelling unit 114A/114B.
Fig. 2 C is the section drawing of one of them column 106.Each column 106 has inner space 222 to allow with the height of ballast water control operation deck 104 above the water surface.At serviceability, the displacement of MODU100 or MODU200 can be 1/3 ballast water, and, at travelling position, displacement is generally the ballast water that is less than about 10%.Inner space 222 can also allow to provide from operation deck 104 to floating drum 202 or the current path from operation deck 104 to the passage on cushion deck the cushion example.The leg 220 of each column 106 can be the discharge from current path and equipment region with promotion water of bivalve or two skins.Each column 106 has tapered corner angle 224 with the enhance fluid tractive performance, improves travelling speed, improves position and keeps, and reduce tow rope resistance.In the example shown in Fig. 2 A, corner angle 224 form the tapering of 45° angle.But, corner angle 224 can become the tapering of any angle so that required hydrodynamic performance to be provided.Corner angle 224 are generally the tapering of angle between about 30 ° to about 60 °.And 224 these angles of corner angle can be identical or different.Be replaced into tapering, corner angle 224 also can be in the arc-shaped, or be in the arc-shaped and combination tapering.224, corner angle can be in an identical manner or different mode structural configurations.
Thereby the corner angle of tapering 224 can have required arbitrarily length limits the tapered degree of corner angle.For example, if the size 228 of the example column shown in Fig. 2 C is 14 meters, the distance 230 be tapered to corner angle from column line of centers 226 so can, between about 4 meters to about 6 meters, be for example about 55 meters.
MODU200 shown in Fig. 2 A is characterised in that the second hoisting crane 210, to increase application power.Each example of MODU drilling vessel described here---as MODU100 and MODU200---can not need to redesign deck or shell just converts drilling ship to, because the design of shell described herein and deck has enough stability being generally under the load that the distinctive equipment of drilling ship increases.
Fig. 3 is the birds-eye view according to the MODU300 of another example.MODU300 in Fig. 3 is characterised in that contiguous pipe support 302 and large rest region 304 are arranged on central stand 152.Opening 306 in operation deck 104 leads to the lower deck operating structure, comprises rig floor and moon pool under stand 152.MODU300 comprises hull construction and the stability features that combines with Fig. 1 and 2 A and describe, thereby allows hoisting crane and the large equipment of other floor areas are moved to the periphery that operates deck 104, stays sizable working space.
Fig. 4 is the lateral plan according to the MODU400 of another example.MODU400 is similar with 300 with MODU drilling vessel 100,200, and has increased additional column 410 or column pair between column 106.The column that can add column 410 or comprise column 410 is to in the situation that deck weight increases bearing capacity.Also can add column in the situation that MODU length increases, to improve rigidity and/or stability.MODU100,200 and 300 aspect ratio between about 1.5 to 1.8, are for example about 1.7 usually.The aspect ratio of MODU400 can, between about 1.5 to about 2.0, be for example about 1.9.
Fig. 5 is the end elevation according to the MODU500 of another example.MODU500 is characterised in that the cushion deck 502 had containing three propelling units 504.Each propelling unit 504 may be also to comprise two or the propelling unit group of multi-thruster more.If necessary, the cushion deck allows propelling unit 504 to be set to improve operability at middle position in addition except the propelling unit 504 at the peripheral position place.The feature on cushion deck 502 is the openings (not showing) that allow the aquaporin enter from stand.Thereby cushion deck 502 increases structural strength allows ship narrower.The aspect ratio of the example shown in Fig. 5 can, between about 1.5 to about 2.5, be for example about 2.4.In one example, the width of MODU500 is no more than about 48 meters, thereby allowing to walk passes through the Panama Canal.
Although above description is relevant to Multi-instance of the present utility model, can design other and further example of the present utility model in the situation that do not break away from base region of the present utility model.
Claims (22)
1. a removable marine drilling unit comprises:
The operation deck, described operation deck is bearing on the diving deck by four or more columns, these four or more columns have the total cross-sectional area of a column, wherein in operation, the displacement of described removable marine drilling unit is at least about 40 tonnes/sq m with the ratio of the total cross-sectional area of column.
2. according to the removable marine drilling unit of claim 1, wherein said diving deck has first end and the second end, and described first end and described the second end respectively comprise at least two propelling unit groups, and each propelling unit group comprises at least two propelling units.
3. according to the removable marine drilling unit of claim 2, wherein each propelling unit in each propelling unit group shifts to install along the longitudinal axis of described removable marine drilling unit and the axis of pitch of described removable marine drilling unit with respect to other propelling units in this propelling unit group.
4. according to the removable marine drilling unit of claim 2, wherein said propelling unit is projected into below described diving deck and is no more than about two meters.
5. according to the removable marine drilling unit of claim 2, wherein each propelling unit transmits at least about 3 megawatt spies' power.
6. according to the removable marine drilling unit of claim 1, wherein said diving deck extends to outside described operation deck and is no more than about ten meters.
7. according to the removable marine drilling unit of claim 3, wherein each column is greater than the size along described axis of pitch along the size of described longitudinal axis.
8. according to the removable marine drilling unit of claim 4, wherein said operation deck is the boxlike deck.
9. removable marine drilling unit according to Claim 8, the ballast water capacity that operations platoon's water yield of wherein said removable marine drilling unit is 1/3.
10. according to the removable marine drilling unit of claim 1, the lateral dimension of wherein said removable marine drilling unit is no more than about 48 meters.
11., according to the removable marine drilling unit of claim 3, wherein said diving deck is buoy deck.
12. a removable marine drilling unit comprises:
Operation deck with box structure;
Be positioned at the diving deck of below, described operation deck;
Described operation deck is bearing in to a plurality of columns of top, described diving deck;
Be positioned at the recess at the relative place, two ends on described diving deck; And
Be arranged in the propelling unit group of each recess on described diving deck.
13. the removable marine drilling unit according to claim 12, wherein each propelling unit group comprises a plurality of propelling units, and each propelling unit in the propelling unit group at least shifts to install along at least two quadrature-axis of described removable marine drilling unit with respect to each other propelling unit in this propelling unit group.
14. the removable marine drilling unit according to claim 13, wherein said a plurality of column has a total cross-sectional area, and, in well operations, the displacement of described removable marine drilling unit is at least about 40 tonnes/sq m with the ratio of described total cross-sectional area of described a plurality of columns.
15., according to the removable marine drilling unit of claim 14, wherein said diving deck is buoy deck or cushion deck.
16., according to the removable marine drilling unit of claim 15, the lateral dimension of wherein said removable marine drilling unit is no more than about 48 meters.
17., according to the removable marine drilling unit of claim 15, wherein said propelling unit is no more than about two meters below being projected into the basal surface on described diving deck.
18., according to the removable marine drilling unit of claim 17, wherein said column has tapered cross-sectional plane.
19. according to the removable marine drilling unit of claim 15, the platform that wherein said column supporting and described column are in aggregates, described operation deck attaches to described platform.
20. a removable marine drilling unit comprises:
The diving deck, described diving deck respectively has recess at the two ends of its lower surface;
Be arranged in two of each recess of described diving deck or multi-thruster group more, each propelling unit group comprises two or multi-thruster more, wherein each propelling unit in a propelling unit group shifts to install along the longitudinal direction of described removable marine drilling unit and each other propelling unit in horizontal direction and this propelling unit group, and described propelling unit is no more than about two meters below being projected into the basal surface on described diving deck;
Boxlike operation deck, described boxlike operation deck is bearing in top, described diving deck by a plurality of hollow and oblong column with tapered corner angle, wherein said a plurality of hollow pillar stand has a total cross-sectional area, makes described removable marine drilling unit displacement in operation and the ratio of described total cross-sectional area of described a plurality of columns be at least about 40 tonnes/sq m; And
With described column platform in aggregates, described boxlike operation deck attaches to described platform.
21., according to the removable marine drilling unit of claim 20, wherein the lower surface of each recess is that between about 3 meters to about 10 meters, described column and described diving deck are in aggregates at the height above the basal surface on described diving deck.
22. according to the removable marine drilling unit of claim 21, the travelling position draft of wherein said removable marine drilling unit is less than about 10 meters, and the length of each recess is between about 5 meters to about 30 meters.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| USPCT/US2012/052254 | 2012-08-24 | ||
| PCT/US2012/052254 WO2014031124A1 (en) | 2012-08-24 | 2012-08-24 | Mobile offshore drilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203381779U true CN203381779U (en) | 2014-01-08 |
Family
ID=49870291
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310054657.1A Pending CN103625615A (en) | 2012-08-24 | 2013-02-20 | Mobile offshore drilling unit |
| CN201320078905.1U Expired - Fee Related CN203381779U (en) | 2012-08-24 | 2013-02-20 | Mobile offshore drilling unit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310054657.1A Pending CN103625615A (en) | 2012-08-24 | 2013-02-20 | Mobile offshore drilling unit |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140238289A1 (en) |
| CN (2) | CN103625615A (en) |
| WO (1) | WO2014031124A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625615A (en) * | 2012-08-24 | 2014-03-12 | Tsc集团控股有限公司 | Mobile offshore drilling unit |
| CN105216975A (en) * | 2015-10-19 | 2016-01-06 | 宏华海洋油气装备（江苏）有限公司 | Carry the workover platform of thrust power position fixing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104264646B (en) * | 2014-09-26 | 2016-03-02 | 中国海洋石油总公司 | The marine nuclear power platform of cement concrete |
| NL2013680B1 (en) * | 2014-10-24 | 2016-10-05 | Itrec Bv | Offshore drilling system, vessel and method. |
| GB201501477D0 (en) | 2015-01-29 | 2015-03-18 | Norwegian Univ Sci & Tech Ntnu | Drill apparatus for a floating drill rig |
| CN105984564A (en) * | 2015-02-09 | 2016-10-05 | 刘广 | Air cushion type offshore self-floating crane ship |
| CN105984566A (en) * | 2015-02-09 | 2016-10-05 | 刘广 | Offshore platform sailing rapidly |
| CN105711766B (en) * | 2016-04-03 | 2017-08-25 | 大连理工大学 | From liter descending underwater operation platform and its an application method |
| US11052978B2 (en) * | 2017-05-16 | 2021-07-06 | Tangshan Removable Island Marine Heavy Industry Co., Ltd. | Floating structure, and basic module of floating structure |
| CN107757852A (en) * | 2017-11-17 | 2018-03-06 | 佛山市榕岸海洋工程装备有限公司 | A kind of ocean platform with rotatable propeller |
| CN113979333B (en) * | 2021-10-18 | 2023-10-20 | 中航通飞华南飞机工业有限公司 | Shipborne self-balancing water crane for rescue of large-scale water plane and method |
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| US4281615A (en) * | 1977-10-31 | 1981-08-04 | Sedco, Inc. | Self-propelled semi-submersible service vessel |
| GB2110602A (en) * | 1981-09-12 | 1983-06-22 | Vo Offshore Limited | Semi-submersible drilling vessel |
| SE8301196L (en) * | 1983-03-04 | 1984-09-05 | Goetaverken Arendal Ab | DEVICE FOR SHIPS WITH PARALLEL HULLS |
| NL1010884C2 (en) * | 1998-12-23 | 2000-06-26 | Hans Van Der Poel | Work ship. |
| US7086809B2 (en) * | 2003-01-21 | 2006-08-08 | Marine Innovation & Technology | Minimum floating offshore platform with water entrapment plate and method of installation |
| WO2014031124A1 (en) * | 2012-08-24 | 2014-02-27 | Tsc Group Holdings Limited | Mobile offshore drilling unit |
-
2012
- 2012-08-24 WO PCT/US2012/052254 patent/WO2014031124A1/en active Application Filing
- 2012-08-24 US US14/006,823 patent/US20140238289A1/en not_active Abandoned
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2013
- 2013-02-20 CN CN201310054657.1A patent/CN103625615A/en active Pending
- 2013-02-20 CN CN201320078905.1U patent/CN203381779U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625615A (en) * | 2012-08-24 | 2014-03-12 | Tsc集团控股有限公司 | Mobile offshore drilling unit |
| CN105216975A (en) * | 2015-10-19 | 2016-01-06 | 宏华海洋油气装备（江苏）有限公司 | Carry the workover platform of thrust power position fixing system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014031124A1 (en) | 2014-02-27 |
| CN103625615A (en) | 2014-03-12 |
| US20140238289A1 (en) | 2014-08-28 |
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