CN111284641A - Floating platform with separable drilling package and production facility - Google Patents
Floating platform with separable drilling package and production facility Download PDFInfo
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- CN111284641A CN111284641A CN202010169364.8A CN202010169364A CN111284641A CN 111284641 A CN111284641 A CN 111284641A CN 202010169364 A CN202010169364 A CN 202010169364A CN 111284641 A CN111284641 A CN 111284641A
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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
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
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- Civil Engineering (AREA)
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- Earth Drilling (AREA)
Abstract
The invention discloses a floating platform with a drilling bag and a production facility separable. The floating platform comprises an oil gas production storage module and a drilling module; the hull of the oil-gas production storage module is of a semi-submersible structure, wherein 2 opposite side surfaces of the hull are formed by a lower floating body and 4 upright posts and are in a concave shape; the lower floating body is formed by sequentially connecting 4 floating boxes end to end; a metal beam capable of being closed or opened is arranged between every 2 upright posts at two notches of the groove of the oil and gas production and storage module, so that the drilling module enters the groove of the oil and gas production and storage module; a winch is arranged at the top of the upright post; a moon pool, a drilling system and a mooring bollard are arranged on the hull of the drilling module; the hull of the drilling module may fit within the recess of the oil and gas production storage module. The oil gas production and storage module and the drilling module in the floating platform can be combined and separated, so that a plurality of oil gas production and storage modules can share one drilling module, the use efficiency of the drilling module is effectively improved, and the total investment is reduced.
Description
Technical Field
The invention relates to a floating platform with a drilling bag and a production facility separable, and belongs to the field of ocean engineering.
Background
A large number of marginal oil fields are distributed in the north of the south China sea, the oil fields are far away from each other and limited in reserves, the overall development benefit is poor due to the adoption of a conventional fixed platform and submarine pipelines, and the floating platform is a good method for solving the problem of rolling development. However, the marginal oil field generally has large oil reservoir temperature and pressure difference and uncertain oil products, and needs to make an adjusting well in the early development process to perform early trial production and extension test.
In order to solve the above problems, in recent years, the industry has proposed the FDPSO concept, i.e. a drilling process package is added to a floating production storage export unit, so that the development risk can be effectively reduced, and the FDPSO concept has been put into practical use in west africa. However, when the FDPSO is fixed in a certain oil field and the drilling work is completed and the oil and gas exploitation is carried out, the drilling package is idle for a long time basically, a large amount of platform deck area and variable load are occupied, and the overall economy of oil field development is affected.
Disclosure of Invention
The invention aims to provide a floating platform with a drilling bag and a production facility which are separable, and the drilling bag is separable, so that the utilization rate of a drilling system can be improved, and the overall development cost can be reduced.
The invention provides a floating platform with a separable drilling package and production facilities, which comprises an oil-gas production storage module and a drilling module;
the hull of the oil-gas production storage module is of a semi-submersible structure, wherein 2 opposite side surfaces of the hull are formed by a lower floating body and 4 upright posts and are in a concave shape; the lower floating body is formed by sequentially connecting 4 floating boxes end to end;
the oil gas production storage module is provided with a mooring system and a riser system;
an oil gas production device and a living building are arranged on a deck of the oil gas production and storage module;
a metal beam is arranged between every 2 upright columns at two notches of the groove of the oil and gas production and storage module and can be closed or opened so that the drilling module enters the groove of the oil and gas production and storage module;
a winch is arranged at the top of the upright post;
a moon pool, a drilling system and a mooring bollard are arranged on the hull of the drilling module;
the hull of the drilling module may fit within the recess of the oil and gas production storage module.
In the floating platform, the metal beam is hinged to the top of the upright;
the top parts of 2 stand columns which are arranged diagonally are provided with a support tower frame, and the top parts of the support tower frames are provided with winches;
and two ends of a steel wire rope are respectively connected with the winch and the metal beam, preferably connected to the middle part of the metal beam and used for opening the metal beam when the oil-gas production storage module and the drilling module are combined.
The other 2 that are the diagonal setting the top of stand all is equipped with a hydraulic pressure and keeps tight the device for hold tightly after the closure the metal roof beam.
In the floating platform, the winches are arranged at the positions, close to the grooves, of the tops of the 4 upright columns;
2 mooring bollards are respectively arranged at the bow and the stern of the hull of the drilling module;
the mooring bollard is cylindrical;
when the oil gas production storage module is combined with the drilling module, one end of the traction rope is connected with the mooring bollard, and then the traction rope is tightened by the winch to enable the drilling module to enter the groove.
In the floating platform, 2 buttresses, preferably cylindrical buttresses, are respectively arranged on decks positioned at two sides of the groove;
two sides of a hull of the drilling module are respectively provided with 2 inverted L-shaped steel support beams, the bottom of an upper arm of each inverted L-shaped steel support beam is provided with a hydraulic pushing mechanism, and the hydraulic pushing mechanisms can be matched with the support piers so that the drilling module is fixed in the groove of the oil-gas production storage module.
In the floating platform, the middle part of the hull of the drilling module is rectangular, and the two ends of the hull of the drilling module are semicircular.
In the floating platform, the moon pool is arranged in the middle of the hull of the drilling module, and the rubber anti-collision pad is arranged on the side part.
In the floating platform, the outer side of the bow or the stern of the hull of the drilling module is provided with a propeller so that the drilling module has a self-propulsion function.
In the above floating platform, the mooring system includes an anchor machine disposed on the top of the column and a fairlead disposed outside the bottom of the column.
The floating platform has the following beneficial effects:
(1) the oil gas production storage module and the drilling module can be combined and separated, so that a plurality of oil gas production storage modules can share one drilling module, the service efficiency of the drilling module is effectively improved, and the overall investment is reduced.
(2) When drilling operation is carried out, the drilling module enables the ship body to be located above the water surface through the hydraulic pushing mechanism, the advantage of strong wind and wave resistance of the semi-submersible structure of the ship body of the oil-gas production storage module is fully utilized, and when the ship body encounters extreme environmental conditions such as typhoon, the drilling module can be quickly separated from the oil-gas production storage module to carry out platform avoiding operation.
(3) When the metal beam is closed, the module is in a closed box-shaped structure, so that the stress can be circulated in the ship body, and the bending moment borne by the ship body can be reduced.
Drawings
Fig. 1 is a three-dimensional schematic view of the overall floating platform of the present invention.
Fig. 2 is a three-dimensional schematic representation of the two modules of the vessel of the present invention as they are ready to be assembled.
Fig. 3 is a three-dimensional representation of the present invention floating platform hydrocarbon production storage module anchor machine paying out the pull-in line and guiding the drilling module into the interior of the groove.
Fig. 4 is a three-dimensional schematic representation of a drilling module of the floating platform of the present invention in drilling operations.
Fig. 5 is a three-dimensional schematic of the present invention when the drilling module is separated from the oil and gas production storage module after completion of the floating vessel drilling operation.
Fig. 6 is an off-line schematic of the floating flat drilling module of the present invention when driving.
The respective symbols in the figure are as follows:
1, a cable guider; 2 mooring lines; 3, a riser system; 4 mooring the anchor machine; 5, a hydraulic tightening device; 6, 10 electric winch; 7, cylindrical buttress; 8 oil and gas production devices; 9 supporting the tower; 11 a steel wire rope; 12 box-shaped metal beams; 13 a hinged joint; 14, a living building; 15 oil and gas production storage module hull; 16 rubber fender; 17 a drilling system; 18L-shaped steel support beams; 19 a hydraulic pushing mechanism; 20 a drilling module hull; 21 drilling a moon pool; 22 cylindrical bollard.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following embodiments.
As shown in fig. 1, which is a schematic structural diagram of the floating platform of the present invention, the floating platform provided with a drilling package and a production facility separable from each other includes an oil and gas production storage module and a drilling module.
The oil gas production and storage module comprises an oil gas production and storage module hull 15, 2 opposite side surfaces of the oil gas production and storage module hull are of concave semi-submersible structures, the lower floating body is composed of 4 floating boxes which are sequentially connected end to end. The section of each upright is rectangular, the side length is 20m, the height is 30 m, the distance between the axes of the uprights is 50 m, the height of the buoyancy tank is 5 m, and the width of the buoyancy tank is consistent with that of the upright. The oil-gas production storage module is provided with a mooring system and a riser system 3, the mooring system comprises a mooring anchor machine 4 at the edge of the top of each upright post and a navigator 1 arranged on the outer side of the bottom of each upright post, and a mooring cable 2 penetrates through the navigator 1 to be connected with a pile foundation on the seabed. An oil gas production device 8 and a living building 14 are arranged on a deck of the oil gas production storage module hull 15.
The top of the 4 columns is provided with an electric winch 6 near the groove of the oil and gas production storage module hull 15, correspondingly, the bow and the stern of the drilling module hull 20 are respectively provided with 2 cylindrical bollards 22, and when the drilling module hull 20 needs to be close to the oil and gas production storage module hull 15, a hauling rope which is released by the electric winch 6 is connected with the cylindrical bollards 22.
A box-shaped metal beam 12 is arranged between every 2 upright columns at two notches of the groove of the oil and gas production and storage module hull 15, and the box-shaped metal beam 12 is arranged on the upright columns through hinges 13. The top of each of the 2 diagonally arranged columns is provided with a support tower 9, the top of each support tower 9 is provided with an electric winch 10, the two ends of each steel wire rope are respectively connected with the electric winch 10 and the middle of the box-shaped metal beam 12 and used for opening the box-shaped metal beam 12 when the oil-gas production storage module and the drilling module are combined, and the top ends of the other two columns are provided with hydraulic tightening devices 5 used for tightly holding the box-shaped metal beam 12 after being closed. The deck at the two sides of the groove is provided with 2 cylindrical buttresses 7 respectively.
The middle part of the drilling module hull 20 is rectangular, the two ends are semicircular, the middle part is provided with a drilling moon pool 21, and a drilling system 17 is arranged at the position corresponding to the drilling moon pool; the broadside portion is fitted with a rubber fender 16. Two sides of the drilling module hull 20 are respectively provided with 2 inverted L-shaped steel support beams 18, the bottom of the upper arm of each inverted L-shaped steel support beam 18 is provided with a hydraulic pushing mechanism 19, and the hydraulic pushing mechanisms 19 can be matched with the cylindrical buttress 7, so that the drilling module hull 20 is fixed in the groove of the oil-gas production storage module hull 15. The bottom of the drilling module hull 20 is provided with a propeller to provide the drilling module with self-propulsion.
The floating platform of the invention is used as follows:
step 1: when drilling operations are being performed, the drilling module hull 20 is approached from the side of the oil and gas production storage module hull 15. The oil and gas production storage module hull 15 is ballasted and has increased draft as shown in figure 2.
Step 2: firstly, the hydraulic enclasping device 5 relaxes the tail end of the box-shaped metal beam 12; then the electric winch 10 tightens up the steel wire rope 11, so that the box-shaped metal beam 12 is separated from the hydraulic enclasping device 5 until the box-shaped metal beam is completely opened; then the electric winch 6 releases the hauling rope, the other end of the hauling rope is connected with the cylindrical mooring bollard 22 on the drilling module hull 20, the electric winch 6 tightens the hauling rope, the drilling module hull 20 gradually enters the center of the oil and gas production storage module hull 15, finally the cylindrical buttress 7 is aligned with the hydraulic pushing mechanism 19, and then the electric winch 10 loosens the steel wire rope 11, so that the box-shaped metal beam 12 enters the hydraulic holding device 5 and is held tightly, as shown in fig. 3.
And step 3: the hydraulic pushing mechanism 19 on the drilling module hull 20 pushes to make the drilling module hull 20 completely located above the still water surface, then the production and storage module starts to perform load discharging operation to reduce draught, and then drilling operation is started, as shown in fig. 4.
And 4, step 4: after the drilling operation is completed, the production storage module starts to perform ballast operation to increase the draught, and then the hydraulic pushing mechanism 19 on the drilling module hull 20 is contracted to enable the drilling module hull 20 to gradually enter water, and the load borne by the cylindrical buttress 7 is gradually reduced until the drilling module hull 20 is completely separated from the production storage module hull 15, as shown in fig. 5.
And 5: the drilling module hull 20 starts the tail propeller and gradually exits from the middle groove of the production storage module hull 15, and finally the haulage rope is separated from the cylindrical bollard 22 to complete the operation, as shown in fig. 6.
Claims (10)
1. A floating platform with a separable drilling package and production facilities comprises an oil gas production storage module and a drilling module;
the hull of the oil-gas production storage module is of a semi-submersible structure, wherein 2 opposite side surfaces of the hull are formed by a lower floating body and 4 upright posts and are in a concave shape; the lower floating body is formed by sequentially connecting 4 floating boxes end to end;
the oil gas production storage module is provided with a mooring system and a riser system;
an oil gas production device and a living building are arranged on a deck of the oil gas production and storage module;
a metal beam is arranged between every 2 upright columns at two notches of the groove of the oil and gas production and storage module and can be closed or opened so that the drilling module enters the groove of the oil and gas production and storage module;
a winch is arranged at the top of the upright post;
a moon pool, a drilling system and a mooring bollard are arranged on the hull of the drilling module;
the hull of the drilling module may fit within the recess of the oil and gas production storage module.
2. The floating platform of claim 1, wherein: the metal beam is hinged to the top of the upright post;
the top parts of 2 stand columns which are arranged diagonally are provided with a support tower frame, and the top parts of the support tower frames are provided with winches;
and two ends of a steel wire rope are respectively connected with the winch and the metal beam.
3. The floating platform of claim 2, wherein: the other 2 that are the diagonal setting the top of stand all is equipped with one and can hug closely the hydraulic pressure of metal roof beam holds tightly the device.
4. A floating platform according to claim 2 or claim 3, wherein: the steel wire rope is connected with the middle part of the metal beam.
5. The floating platform of any one of claims 1-4, wherein: the winches are arranged at the positions, close to the grooves, of the tops of the 4 upright columns;
2 mooring bollards are respectively arranged at the bow and the stern of the hull of the drilling module;
the mooring bollard is cylindrical.
6. The floating platform of any one of claims 1-5, wherein: the deck at the two sides of the groove is respectively provided with 2 buttresses;
two sides of a hull of the drilling module are respectively provided with 2 inverted L-shaped steel support beams, the bottoms of upper arms of the inverted L-shaped steel support beams are provided with hydraulic pushing mechanisms, and the hydraulic pushing mechanisms can be matched with the buttresses.
7. The floating platform of claim 6, wherein: the buttress is cylindrical.
8. The floating platform of any one of claims 1-7, wherein: the middle part of the hull of the drilling module is rectangular, and the two ends of the hull of the drilling module are semicircular.
9. The floating platform of any one of claims 1-8, wherein: the moon pool is arranged in the middle of the hull of the drilling module, and the rubber anti-collision pad is installed on the side part.
10. The floating platform of any one of claims 1-9, wherein: and a propeller is arranged on the outer side of the bow or the stern of the hull of the drilling module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010169364.8A CN111284641B (en) | 2020-03-12 | 2020-03-12 | Floating platform with separable drilling package and production facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010169364.8A CN111284641B (en) | 2020-03-12 | 2020-03-12 | Floating platform with separable drilling package and production facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111284641A true CN111284641A (en) | 2020-06-16 |
| CN111284641B CN111284641B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010169364.8A Active CN111284641B (en) | 2020-03-12 | 2020-03-12 | Floating platform with separable drilling package and production facility |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3802209A (en) * | 1972-09-25 | 1974-04-09 | C Weaver | Self-contained drill ship |
| US4602894A (en) * | 1981-05-01 | 1986-07-29 | Marathon Manufacturing Company | Combination offshore drilling rig |
| FR2755091A1 (en) * | 1996-10-30 | 1998-04-30 | Doris Engineering | DEVICE FOR CONNECTING TWO MARINE STRUCTURES |
| CN201437399U (en) * | 2009-08-13 | 2010-04-14 | 上海利策科技有限公司 | Annular releasable floating type ocean platform |
| CN102756793A (en) * | 2012-06-07 | 2012-10-31 | 中国海洋石油总公司 | Floating type production platform capable of taking well drilling and oil storage into consideration |
| CN102762445A (en) * | 2009-09-14 | 2012-10-31 | 爱德船务服务有限公司 | Offshore equipment deploying and retrieving vessel |
| WO2014167591A1 (en) * | 2013-04-12 | 2014-10-16 | Fincantieri S.P.A. | Ship for long period station keeping at sea, in particular drillship |
| CN206231583U (en) * | 2016-12-01 | 2017-06-09 | 三一海洋重工有限公司 | Semisubmersible platform and production platform |
| CN109312552A (en) * | 2016-05-26 | 2019-02-05 | 胜科海事综合船厂私人有限公司 | The unit and method of the sea bed support of shallow water probing terminal are provided |
| CN109911127A (en) * | 2019-03-08 | 2019-06-21 | 武汉理工大学 | A kind of primary-auxiliary type installation ship and its application of assembling at sea |
| CN110341902A (en) * | 2018-04-03 | 2019-10-18 | 中集海洋工程研究院有限公司 | Jack up multifunctional platform |
-
2020
- 2020-03-12 CN CN202010169364.8A patent/CN111284641B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3802209A (en) * | 1972-09-25 | 1974-04-09 | C Weaver | Self-contained drill ship |
| US4602894A (en) * | 1981-05-01 | 1986-07-29 | Marathon Manufacturing Company | Combination offshore drilling rig |
| FR2755091A1 (en) * | 1996-10-30 | 1998-04-30 | Doris Engineering | DEVICE FOR CONNECTING TWO MARINE STRUCTURES |
| CN201437399U (en) * | 2009-08-13 | 2010-04-14 | 上海利策科技有限公司 | Annular releasable floating type ocean platform |
| CN102762445A (en) * | 2009-09-14 | 2012-10-31 | 爱德船务服务有限公司 | Offshore equipment deploying and retrieving vessel |
| CN102756793A (en) * | 2012-06-07 | 2012-10-31 | 中国海洋石油总公司 | Floating type production platform capable of taking well drilling and oil storage into consideration |
| WO2014167591A1 (en) * | 2013-04-12 | 2014-10-16 | Fincantieri S.P.A. | Ship for long period station keeping at sea, in particular drillship |
| CN109312552A (en) * | 2016-05-26 | 2019-02-05 | 胜科海事综合船厂私人有限公司 | The unit and method of the sea bed support of shallow water probing terminal are provided |
| CN206231583U (en) * | 2016-12-01 | 2017-06-09 | 三一海洋重工有限公司 | Semisubmersible platform and production platform |
| CN110341902A (en) * | 2018-04-03 | 2019-10-18 | 中集海洋工程研究院有限公司 | Jack up multifunctional platform |
| CN109911127A (en) * | 2019-03-08 | 2019-06-21 | 武汉理工大学 | A kind of primary-auxiliary type installation ship and its application of assembling at sea |
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| CN111284641B (en) | 2020-10-27 |
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