CN109795636B - Caisson type drilling platform - Google Patents
Caisson type drilling platform Download PDFInfo
- Publication number
- CN109795636B CN109795636B CN201910189376.4A CN201910189376A CN109795636B CN 109795636 B CN109795636 B CN 109795636B CN 201910189376 A CN201910189376 A CN 201910189376A CN 109795636 B CN109795636 B CN 109795636B
- Authority
- CN
- China
- Prior art keywords
- accommodating bin
- drilling platform
- bin
- pump set
- floating
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 238000007667 floating Methods 0.000 claims abstract description 26
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 12
- 239000003208 petroleum Substances 0.000 claims description 18
- 230000000670 limiting effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 239000013535 sea water Substances 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oil exploitation and discloses a caisson type drilling platform which comprises a containing bin, a stabilizing piece and a floating and sinking module. The top surface of the accommodating bin is always higher than the sea level, and the bottom plate of the accommodating bin is used for being embedded into a seabed soil layer; one end of the stabilizing piece is fixedly connected with the accommodating bin, and the other end of the stabilizing piece is a pointed end and is used for being inserted into a seabed soil layer; the floating and sinking module is arranged on the outer side wall of the accommodating bin and can be used for injecting and draining water. The invention has simple and convenient manufacture and installation, converts the exploitation of offshore oil into a land oil exploitation mode, avoids using the submarine oil exploitation equipment with expensive cost, and reduces the exploitation cost of offshore oil.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to a caisson type drilling platform.
Background
Subsea petroleum is one of the mineral resources in sedimentary rock and bedrock buried below the ocean floor. The main exploitation engineering modes of submarine petroleum are as follows: all offshore, i.e. all engineering facilities are offshore; semi-sea, i.e. the main part of the mined engineering facility is offshore and the auxiliary part is onshore; the land treatment mode is that the oil-gas water mixture extracted from sea is transported to land treatment plant by submarine pipeline for treatment, and is loaded on dock or transported to other places for sale.
However, in recent years, with the development of industry worldwide for a large amount of petroleum, petroleum resources are also threatened to be exhausted, and with the increasing shortage of deep sea petroleum resources, development of offshore petroleum resources is attracting more and more attention worldwide. The shallow sea oil well drilling can be performed by adopting a local sea filling method, and drilling is performed after sea filling is finished. Because of the huge sea filling engineering, the method is only suitable for the beach area at the sea, and drilling platforms are required to be used for the exploitation work of the shallow sea petroleum. However, the existing drilling platform is suitable for the deeper sea area, and the drilling platform is supported by a large steel pipe framework and stands in the deeper sea area, so that the drilling platform is large in size, complex in structure, difficult to manufacture and install, high in exploitation cost and limited in rapid development of offshore oil exploitation.
Disclosure of Invention
Based on the above problems, the invention aims to provide a caisson type drilling platform, which can reduce the cost of offshore oil exploitation.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A caisson-type drilling platform, comprising:
the top surface of the accommodating bin is always higher than the sea level, and the bottom plate of the accommodating bin is used for being embedded into a seabed soil layer;
One end of the stabilizing piece is fixedly connected with the accommodating bin, and the other end of the stabilizing piece is a pointed end and is used for being inserted into a seabed soil layer;
The floating and sinking module is arranged on the outer side wall of the accommodating bin and can be used for injecting and draining water.
As the preferable scheme of the caisson type drilling platform, the caisson type drilling platform further comprises a working pump set, wherein the working pump set is arranged outside the accommodating bin and is used for injecting and draining water to the floating and sinking module.
As a preferred scheme of the caisson type drilling platform, the working pump set comprises a first pump set, and the first pump set is communicated with the floating and sinking module through a first pipeline.
As the preferable scheme of the caisson type drilling platform, the working pump set further comprises a second pump set, and the second pump set is communicated with the inside of the accommodating bin through a second pipeline and is used for pumping water at the bottom of the accommodating bin.
As a preferred embodiment of the caisson-type drilling platform of the present invention, the buoyancy module comprises a plurality of buoyancy air bags.
As the preferable scheme of the caisson type drilling platform, a plurality of buoyancy air bags are uniformly distributed on the outer side wall of the accommodating bin.
As a preferable scheme of the caisson type drilling platform, the buoyancy air bag is made of rubber.
As a preferred scheme of the caisson type drilling platform, the stabilizing piece comprises an upper supporting piece and a lower supporting piece, wherein the upper supporting piece is provided with a connecting protrusion, and the lower supporting piece is provided with a connecting groove matched with the connecting protrusion.
As a preferred embodiment of the caisson-type drilling platform according to the invention, a sealing element is arranged between the upper support element and the lower support element.
As the preferable scheme of the caisson type drilling platform, the limiting rings are arranged on the connecting protrusions, limiting protrusions are arranged on the side walls of the connecting grooves, and the limiting rings can be abutted against the limiting protrusions.
The beneficial effects of the invention are as follows:
When the caisson type drilling platform provided by the invention works, firstly, the inside of the floating and sinking module is inflated to generate enough buoyancy to enable the caisson type drilling platform to float on the sea water surface, the caisson type drilling platform is towed to the sea water surface above a preset position for oil exploitation, then water is injected into the floating and sinking module, the weight of the caisson type drilling platform is increased to sink into the sea floor, piling operation is carried out on the caisson type drilling platform, a stabilizing piece is inserted into a seabed soil layer, a bottom plate of a containing bin is enabled to enter the soil layer to form a foundation, and finally, oil exploitation equipment is hoisted into the containing bin and is installed on the bottom plate of the containing bin.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram of the working principle of a caisson type drilling platform provided by an embodiment of the invention;
FIG. 2 is a schematic view of a caisson-type drilling platform according to an embodiment of the present invention in a non-operational state;
FIG. 3 is an enlarged schematic view at B in FIG. 2;
FIG. 4 is a schematic view of the structure of the caisson-type drilling platform according to the embodiment of the present invention in the working state;
Fig. 5 is an enlarged schematic view at a in fig. 4.
In the figure:
1-accommodating a bin; 2-stabilizing the firmware; 3-a floating and sinking module; 4-working pump group; 5-working ladder stand; 6-sealing member;
7-limiting rings;
21-an upper support; 211-connecting protrusions; 22-lower support.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1, the present embodiment provides a caisson-type drilling platform, which comprises a containing bin 1, a stabilizing piece 2 and a floating and sinking module 3. The housing bin 1 is used for installing oil exploitation equipment (not shown in the figure), provides a land mode working environment for the oil exploitation equipment, avoids using high-priced submarine oil exploitation equipment, and reduces the cost of oil exploitation. Because the accommodating bin 1 is in the continuously flowing seawater, the stabilizing piece 2 is used for stabilizing the accommodating bin 1 in the seawater and providing a stable working environment for the petroleum exploitation equipment, and the floating and sinking module 3 is used for floating or sinking the caisson type drilling platform.
Wherein, the top surface of holding storehouse 1 is higher than the sea level all the time, avoids the sea water to get into in the holding storehouse 1 and damages oil exploitation equipment, and the bottom plate of holding storehouse 1 is arranged in embedding seabed layer, and oil exploitation equipment is through dock (not shown in the figure) handling to the bottom of holding storehouse 1. Optionally, the accommodating bin 1 is made of a high-strength steel structure, and is durable, safe and reliable.
Specifically, an operation ladder 5 is installed on the inner side wall of the accommodating bin 1, and an underwater welder enters the bottom of the accommodating bin 1 through the operation ladder 5 to install the oil exploitation equipment on the bottom plate of the accommodating bin 1. Optionally, a water outlet (not shown in the figure) is provided on the bottom plate of the accommodating bin 1, for discharging residual seawater inside the accommodating bin 1. Optionally, the bottom plate of the accommodating bin 1 adopts a detachable connection structure, so that the assembly and the disassembly are convenient, and the transportation cost is low.
One end of the stabilizing piece 2 is fixedly connected with the accommodating bin 1, and the other end is a tip for being inserted into a seabed soil layer. Optionally, the stabilizing piece 2 is made of high-bearing-performance steel, and is high in bearing capacity, safe, reliable and durable. Optionally, the fixing piece 2 is welded on the accommodating bin 1, the air tightness and the water tightness of the welded connection are good, the structural rigidity is also high, the structural integrity is good, holes are not required to be drilled on steel, the labor and the time are saved, the sectional area of the material is not reduced, and the material is fully utilized.
Specifically, as shown in fig. 2 to 5, the stabilizer 2 includes an upper support 21 and a lower support 22, the upper support 21 is provided with a coupling protrusion 211, and the lower support 22 is provided with a coupling groove (not shown) that mates with the coupling protrusion 211. Adopt split structure, easy to assemble and dismantlement, the cost of transportation is low.
Optionally, a sealing member 6 is arranged between the upper supporting member 21 and the lower supporting member 22, and is used for sealing the inside and the outside of the stabilizing member 2, so as to provide a land type anhydrous working environment for the petroleum exploitation equipment. Optionally, the sealing element 6 is made of rubber, and has the advantages of convenient material taking, low cost and good sealing effect.
Optionally, the connection protrusion 211 is provided with a limiting ring 7, and a side wall of the connection groove is provided with a limiting protrusion (not shown in the figure), and the limiting ring 7 can abut against the limiting protrusion. The limiting ring 7 is arranged for convenient assembly and disassembly, and meanwhile, the limiting effect is achieved. As shown in fig. 2-3, when the stabilizing member 2 is in a non-working state, the limiting ring 7 abuts against the limiting protrusion; as shown in fig. 4 to 5, when the stabilizing member 2 is in the working state, a gap is left between the limit ring 7 and the limit protrusion.
Optionally, the number of the stress points is increased by arranging a plurality of stabilizing pieces 2, so that the accommodating bin 1 is more stable, and a more stable working environment is provided for the petroleum exploitation equipment. More specifically, a plurality of steady pieces 2 evenly distributed are in the bottom outside of holding storehouse 1, and a plurality of stress points evenly bear the holding storehouse 1 in the all directions power that receives in the sea water, and the atress is reasonable, and the distribution is even, and the structure is firm, safe and reliable.
The floating and sinking module 3 is arranged on the outer side wall of the accommodating bin 1, can be filled with water and is used for generating buoyancy when being inflated so as to enable the accommodating bin to float on the surface of seawater or increasing gravity when being filled with water so as to enable the accommodating bin to sink into the seabed. When the accommodating bin 1 is required to be transported to the sea water surface above the petroleum exploitation preset position, the floating and sinking module 3 is inflated to generate buoyancy, so that the accommodating bin 1 floats on the sea water surface; when the sea water surface above the preset position of the appointed petroleum exploitation is reached, the air in the floating and sinking module 3 is pumped out, and water is injected to increase the gravity, so that the accommodating bin 1 is sunk into the sea bottom. The use is convenient and quick, and the exploitation cost is low.
Specifically, the buoyancy module 3 comprises a plurality of buoyancy air bags, the buoyancy air bags are low in cost and convenient to assemble and disassemble, and can be recycled and transported. More specifically, a plurality of buoyancy air bags are uniformly distributed on the outer side wall of the accommodating bin 1, so that buoyancy in all directions received by the accommodating bin 1 is uniform, a relatively stable state is maintained in the floating process, and rollover is avoided. Optionally, the buoyancy air bag is prepared from rubber, and the rubber air bag is prepared by vulcanizing synthetic rubber, natural rubber and a fiber reinforced layer, so that the buoyancy air bag has good expansion resistance, elasticity and flexibility, and can meet the construction use under various working conditions.
Optionally, the caisson type drilling platform further comprises a working pump set 4, wherein the working pump set 4 is arranged outside the accommodating bin 1 and is used for inflating or injecting water to the floating and sinking module 3.
Specifically, the working pump set 4 includes a first pump set, which is communicated with the floating and sinking module 3 through a first pipeline, and is used for inflating or injecting water into the floating and sinking module 3. When the accommodating bin 1 is required to be transported to the sea water surface above the petroleum exploitation preset position, the first pump group charges the floating and sinking module 3 to generate buoyancy, so that the accommodating bin 1 floats on the sea water surface; when reaching the sea water surface above the preset position of the appointed petroleum exploitation, the first pump group pumps out the air in the floating and sinking module 3, and water is injected to increase the gravity, so that the accommodating bin 1 is sunk into the sea bottom.
More specifically, the working pump set 4 further includes a second pump set, which is communicated with the interior of the accommodating bin 1 through a second pipeline, and is used for pumping water to the bottom of the accommodating bin 1, and because when the petroleum exploitation equipment is installed on the bottom plate of the accommodating bin 1, the bottom of the accommodating bin 1 can enter seawater due to the operation of welding, punching and the like, and therefore, the bottom of the accommodating bin 1 needs to be pumped water through the second pump set both in the installation process and after the completion of the petroleum exploitation equipment.
The caisson type drilling platform provided by the embodiment mainly comprises the following steps when in work: firstly, inflating a floating and sinking module 3 through a working pump set 4 to enable a containing bin 1 to float on seawater, and towing the caisson type drilling platform to the surface of the seawater above a preset petroleum exploitation position through a tug; secondly, evacuating and injecting water to the floating and sinking module 3 through the working pump set 4 to enable the accommodating bin 1 to sink, and inserting the stabilizing piece 2 into the seabed soil layer; then, the pile driving operation is carried out by applying acting force to the bottom plate of the accommodating bin 1 through the pile driving ship, the stabilizing piece 2 is driven into the seabed soil layer, and the bottom plate of the accommodating bin enters the soil layer to form a foundation; finally, the oil exploitation equipment is lifted into the accommodating bin 1 through the dock, an underwater welder enters the bottom plate in the accommodating bin 1 through the operation ladder stand 5 to weld and install the oil exploitation equipment, and redundant seawater in the accommodating bin 1 is pumped out through the working pump set 4.
The caisson type drilling platform is simple and convenient to manufacture and install, the exploitation of near-sea oil is converted into a land oil exploitation mode, the use of expensive submarine oil exploitation equipment is avoided, and the exploitation cost of the near-sea oil is reduced.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (5)
1. A caisson-type drilling platform, comprising:
the top surface of the accommodating bin (1) is always higher than the sea level, the bottom plate of the accommodating bin is used for being embedded into a submarine soil layer, and the petroleum exploitation equipment is hung into the accommodating bin and is arranged on the bottom plate;
One end of the stabilizing piece (2) is fixedly connected with the accommodating bin (1), and the other end of the stabilizing piece is a tip and is used for being inserted into the seabed soil layer;
the floating and sinking module (3) is arranged on the outer side wall of the accommodating bin (1) and can be used for injecting and draining water;
The floating and sinking device also comprises a working pump set (4), wherein the working pump set (4) is arranged outside the accommodating bin (1) and is used for injecting and draining the floating and sinking module (3);
The working pump set (4) comprises a first pump set, and the first pump set is communicated with the floating and sinking module (3) through a first pipeline;
The stabilizing piece (2) comprises an upper supporting piece (21) and a lower supporting piece (22), wherein the upper supporting piece (21) is provided with a connecting protrusion (211), and the lower supporting piece (22) is provided with a connecting groove matched with the connecting protrusion (211);
a sealing element (6) is arranged between the upper supporting element (21) and the lower supporting element (22);
The connecting protrusion (211) is provided with a limiting ring (7), the side wall of the connecting groove is provided with a limiting protrusion, and the limiting ring (7) can be propped against the limiting protrusion.
2. Caisson type drilling platform according to claim 1, characterized in that the working pump set (4) further comprises a second pump set, which communicates with the interior of the receiving bin (1) through a second pipeline for pumping water to the bottom of the receiving bin (1).
3. Caisson drilling platform according to claim 1, characterized in that the buoyancy module (3) comprises a plurality of buoyancy airbags.
4. A caisson type drilling platform according to claim 3, characterized in that a plurality of buoyancy air bags are evenly distributed on the outer side wall of the receiving bin (1).
5. A caisson drilling platform according to claim 3, wherein the buoyancy bladder is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189376.4A CN109795636B (en) | 2019-03-13 | 2019-03-13 | Caisson type drilling platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189376.4A CN109795636B (en) | 2019-03-13 | 2019-03-13 | Caisson type drilling platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109795636A CN109795636A (en) | 2019-05-24 |
| CN109795636B true CN109795636B (en) | 2024-06-18 |
Family
ID=66563533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910189376.4A Active CN109795636B (en) | 2019-03-13 | 2019-03-13 | Caisson type drilling platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109795636B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227330A (en) * | 2020-09-18 | 2021-01-15 | 海洋石油工程股份有限公司 | Method for establishing silo type seabed platform |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992013142A1 (en) * | 1991-01-17 | 1992-08-06 | Comte Charles L | Under-water cell |
| EP2090699A2 (en) * | 2008-02-18 | 2009-08-19 | Boudewijn Gabriel Van Rompay | Method for removing alluvial deposits from the bottom of a watery area |
| CN209581793U (en) * | 2019-03-13 | 2019-11-05 | 美钻深海能源科技研发（上海）有限公司 | A kind of caisson type drilling platforms |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT285490B (en) * | 1969-04-03 | 1970-10-27 | Schiffswerft Korneuburg Ag | Underwater drilling rig |
| NO136084C (en) * | 1974-02-15 | 1977-07-20 | Akers Mek Verksted As | DEVICE FOR VESSELS FOR CARRYING DIVING WORK USING A DIVING CLOCK. |
| FR2486562A1 (en) * | 1980-07-09 | 1982-01-15 | Coyne Bellier Bureau Ingenieur | FOUNDATION DEVICE FOR STRUCTURE, SUCH AS A PLATFORM, INCLUDING SELF-LIFTING, BASED ON A SUB-MARINE BASE, AND PLATFORMS OF THIS TYPE |
| GB2105392A (en) * | 1981-07-08 | 1983-03-23 | Ronald Dowie Taylor | Docking facilities associated with off-shore installations |
| JPS61294016A (en) * | 1985-06-20 | 1986-12-24 | Ohbayashigumi Ltd | Method and apparatus for refloating of gravity-type underwater structure |
| JP2606799B2 (en) * | 1986-12-26 | 1997-05-07 | 三井建設株式会社 | Installation method of marine platform |
| CN103526765A (en) * | 2013-11-05 | 2014-01-22 | 江苏省江都水利工程管理处 | Self-floating steel cofferdam for underwater concrete plane construction |
| RU157064U1 (en) * | 2015-08-14 | 2015-11-20 | Общество с ограниченной ответственностью "Судостроительное судоремонтное предприятие "Альбатрос" | DEVICE FOR REPAIR WORKS ON THE UNDERWATER OF HYDROTECHNICAL OBJECTS |
-
2019
- 2019-03-13 CN CN201910189376.4A patent/CN109795636B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992013142A1 (en) * | 1991-01-17 | 1992-08-06 | Comte Charles L | Under-water cell |
| EP2090699A2 (en) * | 2008-02-18 | 2009-08-19 | Boudewijn Gabriel Van Rompay | Method for removing alluvial deposits from the bottom of a watery area |
| CN209581793U (en) * | 2019-03-13 | 2019-11-05 | 美钻深海能源科技研发（上海）有限公司 | A kind of caisson type drilling platforms |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109795636A (en) | 2019-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107542101B (en) | Construction method of offshore four-buoy-buoyancy tank combined foundation structure | |
| US8698338B2 (en) | Offshore energy harvesting, storage, and power generation system | |
| US3535884A (en) | Offshore drilling and production structure | |
| CN102089493B (en) | Offshore unit and method of installing wellhead platform using the offshore unit | |
| JP3002545B2 (en) | Multifunctional offshore exploration and / or development drilling method and apparatus | |
| RU2583028C2 (en) | Underwater production system with support tower of structure for production in arctic | |
| CN109780325B (en) | Installation method of underwater pipeline of water taking tunnel of water plant | |
| US2940266A (en) | Method of constructing an offshore well drilling island | |
| US3528254A (en) | Offshore platform structure and construction method | |
| CN103270239A (en) | Offshore tower for drilling and/or production | |
| CN109736343B (en) | Offshore wind power foundation, installation method thereof and wind generating set | |
| CN102837804B (en) | Installation equipment and installation method for suction anchor in deep water | |
| CN112709552B (en) | Device and method for developing marine natural gas hydrate system based on hydrate method | |
| US20220099253A1 (en) | Gas storage system | |
| JP2014159710A (en) | Methane hydrate production facility | |
| CN114855865B (en) | Tensioning type fan foundation anchored on rock-based seabed and arrangement method | |
| CN202828007U (en) | Installation equipment for suction anchor in deep water | |
| CN103119222A (en) | Surface-breaking re-usable submergeable template for installing one or more submerged columns/piles | |
| CN103031853B (en) | Seabed oil storage system | |
| CN109795636B (en) | Caisson type drilling platform | |
| CN209581793U (en) | A kind of caisson type drilling platforms | |
| CN103562491A (en) | Containment unit and method of using same | |
| CN103482036A (en) | Buoyancy tower type ocean platform | |
| CN203486110U (en) | Buoyant-tower-type ocean platform | |
| CN211032946U (en) | Movable free-rising and sinking storm platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |