CN212828966U - Semi-submersible type production platform - Google Patents
Semi-submersible type production platform Download PDFInfo
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- CN212828966U CN212828966U CN202021528913.8U CN202021528913U CN212828966U CN 212828966 U CN212828966 U CN 212828966U CN 202021528913 U CN202021528913 U CN 202021528913U CN 212828966 U CN212828966 U CN 212828966U
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Abstract
The embodiment of the utility model relates to the technical field of ocean engineering, in particular to a semi-submersible production platform, which comprises a floating body; the bottom of the upright post is fixed on the floating body; the first deck is fixed at the top of the upright column, the first deck is provided with an operation area, the operation area is provided with a natural gas hydrate production and treatment system, and the natural gas hydrate production and treatment system is used for converting natural gas hydrate into natural gas and outputting the natural gas; the bracket is arranged on the first deck; the second deck is arranged at one end, far away from the second deck, of the support, and the second deck is provided with a living area. Through set up first deck and the second deck that passes through the support difference to fix on production platform, first deck is provided with the operation area, and the second deck is provided with the living area, and semi-submersible production platform is applicable to natural gas hydrate production and handles, and semi-submersible production platform's operation area and living area set up separately, and semi-submersible production platform's design is more humanized.
Description
Technical Field
The embodiment of the utility model provides a relate to ocean engineering technical field, especially relate to a semi-submerged formula production platform.
Background
Natural gas hydrates, i.e. combustible ice, are ice-like crystalline substances formed by natural gas and water under high pressure and low temperature conditions distributed in deep sea sediments or permafrost in land areas. The reserves of natural gas hydrate which are discovered globally at present are equal to 16.7 trillion ton oil equivalent, which is equal to twice of the total resources of coal, oil and natural gas which are known and used, and the reserves are abundant and are enough for human beings to use for 1000 years. The exploitation of the natural gas hydrate needs to erect a semi-submersible production platform in the ocean, a production area, an operation area and the like are arranged on the semi-submersible production platform, and the operation area can be used for exploiting the natural gas hydrate.
The utility model discloses an inventor is realizing the utility model discloses an in-process discovers: at present, a semi-submersible production platform suitable for production and treatment of natural gas hydrate does not exist at home and abroad, so that the development of the semi-submersible production platform suitable for production and treatment of the natural gas hydrate is needed.
SUMMERY OF THE UTILITY MODEL
In view of the above, embodiments of the present invention provide a semi-submersible production platform that overcomes or at least partially solves the above-mentioned problems.
According to an aspect of the embodiment of the utility model provides a semi-submersible type production platform is provided, include: a float; the bottom of the upright post is fixed on the floating body; the first deck is fixed at the top of the upright column, the first deck is provided with an operation area, the operation area is provided with a natural gas hydrate production and treatment system, and the natural gas hydrate production and treatment system is used for converting natural gas hydrate into natural gas and outputting the natural gas; the bracket is arranged on the first deck; the second deck is arranged at one end, far away from the first deck, of the support, and the second deck is provided with a living area.
In an alternative mode, the natural gas hydrate production treatment system comprises a hydrocyclone, an air-water-sand three-phase separator, a natural gas compressor and a triethylene glycol dehydration system.
In an optional mode, the production platform further comprises a generator set, the generator set is arranged on the second deck, and the generator set is used for supplying power to the operation area and the living area.
In an alternative form, the power generating unit is a gas turbine power generating unit.
In an optional mode, the floating body comprises a first lower floating body, a second lower floating body, a third lower floating body and a fourth lower floating body, and the first lower floating body, the second lower floating body, the third lower floating body and the fourth lower floating body are sequentially connected end to end; the number of the upright columns is four, the bottoms of two upright columns are fixed on the first lower floating body at intervals, and the bottoms of the other two upright columns are fixed on the third lower floating body at intervals.
In an optional mode, a storage bin is arranged in the upright post.
In an alternative form, the production platform further comprises an outer plate and a mooring system; the outer plate is arranged outside the upright post; the anchoring system comprises an anchor machine, an anchoring accessory and an anchor chain; the anchor machine is arranged at the top of the upright post, the anchoring accessory is arranged on the outer plate, the anchor chain is arranged on the storage bin, and the anchor machine is connected with the anchor chain through the anchoring accessory.
In an alternative form, the production platform further comprises an effluent disposal system, the effluent disposal system being disposed on the first deck.
In an alternative mode, the living area is provided with a living building, and a third deck extends outwards from the top of the living building, and the third deck is used for helicopter landing.
The embodiment of the utility model provides a beneficial effect is: a production platform is provided comprising: the floating body, the upright post, the first deck, the bracket and the second deck. The bottom of stand is fixed in the body, first deck is fixed in the top of stand, first deck is provided with the operation area. The support set up in first deck, the second deck set up in the support is kept away from the one end of second deck, the second deck is provided with the living area. Through set up on the production platform through the support is fixed respectively first deck and second deck, first deck is provided with the operation district, the second deck is provided with the living area, thereby realizes operation district and living area separate the setting, production platform's design is more humanized.
Drawings
FIG. 1 is a schematic view of an orientation of a semi-submersible production platform provided by an embodiment of the present invention;
fig. 2 is a schematic view of a first deck provided by an embodiment of the present invention;
fig. 3 is a schematic view of a second deck provided by an embodiment of the present invention;
fig. 4 is a cross-sectional view of a semi-submersible production platform according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2 and 3, a semi-submersible production platform 100 includes: a floating body 101, a vertical column 102, a first deck 103, a support 104, a second deck 105, a natural gas hydrate production processing system 106, a generator set 107, an outer plate 108, a mooring system (not shown), a sewage system (not shown), a living building 110 and a third deck 111. The bottom of the upright column 102 is fixed to the floating body 101, the first deck 103 is fixed to the top of the upright column 102, the first deck 103 is provided with an operation area (not marked), the operation area is provided with a natural gas hydrate production processing system 106, and the natural gas hydrate production processing system 106 is used for converting natural gas hydrate into natural gas and outputting the natural gas. The bracket 104 is disposed on the first deck 103, the second deck 105 is disposed on an end of the bracket 104 away from the first deck 103, and the second deck 105 is disposed with a living area (not shown). The generator set 107 is disposed on the second deck 105. The outer plate 108 is disposed outside the column 102. The mooring system is used to moor the semi-submersible production platform 100. The sewage system is used for sewage drainage. The living building 110 is disposed in the living area. The third deck 111 extends from the top of the living building 110, and the third deck 111 is used for helicopter landing. Through set up on the semi-submersible type production platform 100 and pass through support 104 is fixed respectively first deck 103 and second deck 105, first deck 103 is provided with the operation district, the operation district is provided with natural gas hydrate production processing system 106, second deck 105 is provided with the living area, semi-submersible type production platform 100 is applicable to natural gas hydrate production processing, just semi-submersible type production platform 100 the operation district sets up with the living area separately, semi-submersible type production platform 100's design is more humanized.
Referring to fig. 4 for the floating body 101, the floating body 101 includes a first lower floating body 1011, a second lower floating body 1012, a third lower floating body 1013, and a fourth lower floating body 1014. The first lower floating body 1011, the second lower floating body 1012, the third lower floating body 1013 and the fourth lower floating body 1014 are sequentially connected end to end. The float 101 provides buoyancy to the semi-submersible production platform 100. The first lower floating body 1011, the second lower floating body 1012, the third lower floating body 1013 and the fourth lower floating body 1014 are sequentially connected end to enclose a 'well' shape, so that the rolling amplitude of the semi-submersible production platform 100 can be prevented from being too large, and the stability of the semi-submersible production platform 100 can be ensured.
Referring to fig. 1 and 4, the number of the vertical columns 102 is four, the bottoms of two vertical columns 102 are fixed to the first lower floating body 1011 at intervals, and the bottoms of the other two vertical columns 102 are fixed to the third lower floating body 1013 at intervals. In some embodiments, a storage bin 1021 is disposed in the column 102, and the use space of the semi-submersible production platform 100 can be enlarged by disposing the storage bin 1021 in the column 102.
It should be noted that in some embodiments, a ballast pump tank (not shown) is disposed within the storage bin 1021, and the ballast pump tank is provided with a ballast system for adjusting the draft height of the semi-submersible production platform 100.
Referring to fig. 2, the first deck 103 is provided with an operation area. In some embodiments, the operations area is provided with a natural gas hydrate production treatment system 106, a blowdown system (not shown), a chemical injection system 115, and a control room (not shown).
The natural gas hydrate production processing system 106 is configured to desand and dewater natural gas produced by decomposing a natural gas hydrate in a formation, pressurize the natural gas by a compressor, and transmit the pressurized natural gas to a natural gas land processing terminal or other processing places with similar functions through a long-distance sea transmission pipeline. In some embodiments, the natural gas hydrate production processing system 106 includes a hydrocyclone 1061, a gas-water-sand three-phase separator 1062, a natural gas compressor 1063, and a triethylene glycol dehydration system 1064. In some embodiments, the triethylene glycol dehydration system 1064 includes a triethylene glycol scrubber 1064a and a triethylene glycol dehydration column 1064 b. It is to be understood that the hydrocyclone 1061, gas-water-sand three-phase separator 1062, natural gas compressor 1063 and triethylene glycol dehydration system 1064 are the main components of the natural gas hydrate production processing system 106, and not all of them.
It should be noted that the natural gas hydrate production processing system 106 is not limited to the above structure, and may have other structures, for example, the natural gas hydrate production processing system 106 includes a hydrocyclone 1061, a gas-water-sand three-phase separator 1062, a natural gas compressor 1063, and a solid adsorption dewatering system (not shown), where a drying agent used in the solid adsorption dewatering system is silica gel or a molecular sieve.
The blowdown system includes an open drain system and a closed drain system. The open drain system is used for non-pressure sewage discharge and comprises an open drain tank and an open drain pump. The closed-discharge system is used for pressure sewage discharge and comprises a closed-type discharge tank and a closed-discharge pump. The flare liquid separating system is connected to the drain of closed discharge tank, and the flare liquid separating system includes that high pressure flare divides liquid jar and flare liquid jar discharge pump.
The chemical injection system 115 is used to inject chemicals into the gas hydrate production processing system 106, and includes a chemical tank and a chemical injection pump.
The control room is respectively connected with the natural gas hydrate production processing system 106, the sewage disposal system and the chemical agent injection system 115, and is used for controlling the natural gas hydrate production processing system 106, the sewage disposal system and the chemical agent injection system 115.
It will be appreciated that the work area may also be provided with other work systems, such as oil and gas production systems, etc.
Referring to fig. 1, the support 104 is used for supporting the second deck 105, thereby separating the second deck 105 and the first deck 103 into two decks, namely, a first deck and a second deck. In some embodiments, the brackets 104 are evenly distributed on the outer edges of the first deck 103 and the second deck 105. In some embodiments, the bracket 104 includes a vertical rod 1041, a first tilt rod 1042, and a second tilt rod 1043. The two ends of the upright 1041 are fixed to the first deck 103 and the second deck 105, respectively. One end of the first inclined rod 1042 and one end of the second inclined rod 1043 are fixed, one end of the first inclined rod 1042 and one end of the second inclined rod 1043 are fixed to the second deck 105, and the other end of the first inclined rod 1042 and the other end of the second inclined rod 1043 are fixed to the first deck 103 at an interval.
It should be noted that the number of the vertical rods 1041 is plural, the number of the first inclined rods 1042 and the number of the second inclined rods 1043 are plural, and the number of the first inclined rods 1042 and the number of the second inclined rods 1043 are the same. A plurality of upright posts 1041 are spaced apart from the outer edges of the first deck 103 and the second deck 105. The first inclined rod 1042 and the second inclined rod 1043 are disposed at a gap between two adjacent upright rods 1041.
Referring to fig. 3, the second deck 105 is provided with a living area, and the living area is provided with a living building 110. A third deck 111 extends outwards from the roof of the living building 110, and the third deck 111 is used for helicopter landing. The helicopter is used for turnover of materials or workers.
It will be appreciated that a passageway 112 is also provided between the first deck 103 and the second deck 105 for materials or personnel to pass between the first deck 103 and the second deck 105.
Referring to fig. 3, the generator set 107 is disposed on the second deck 105, and the generator set 107 is used for supplying power to the operation area and the living area. In some embodiments, the genset 107 is a gas turbine genset 107. When the gas source used by the gas turbine generator unit 107 is natural gas, and when the operating area is provided with the natural gas hydrate production processing system 106, the natural gas converted by the natural gas hydrate production processing system 106 can be used as the gas source of the turbine generator unit 107.
In some embodiments, an electric room 113 is further disposed on the second deck 105 to transmit electricity generated by the generator set 107 to the work area and the living area.
Referring to fig. 1, 2 and 4 for the mooring system described above, the mooring system includes an anchor 1091, a mooring attachment 1092 and a chain 1093. The anchor machine 1091 is disposed on the top of the upright 102, the anchoring attachment 1092 is disposed on the outer plate 108, the anchor chain 1093 is disposed on the storage chamber 1021, and the anchor machine 1091 is connected to the anchor chain 1093 via the anchoring attachment 1092. In some embodiments, the mooring attachment 1092 includes a chain tube and a chain dropper, and the chain 1093 is coupled to the anchor 1091 by the chain tube and the chain dropper.
It should be noted that the number of the upright columns 102 is four, each upright column 102 is provided with one storage bin 1021, and each storage bin 1021 is provided with two anchor chains 1093. Two of the mooring attachments 1092 are provided on each of the outer plates 108.
In some embodiments, to facilitate the hoisting of the operation equipment in the operation area, the semi-submersible production platform 100 further comprises a crane 114, please refer to fig. 1 or fig. 3, wherein the crane 114 is disposed on the second deck 105. In some embodiments, the number of the cranes 114 is two, and two cranes 114 are disposed on the left and right sides of the second deck 105.
It should be noted that semi-submersible production platform 100 generally consists of several systems, typically for example: positioning system, fire extinguishing system, bilge water system, fuel oil system, derrick, drilling equipment, mud circulation system, etc. are not described in detail herein.
In the embodiment of the present invention, the semi-submersible production platform 100 includes: a floating body 101, a column 102, a first deck 103, a bracket 104 and a second deck 105. The bottom of the upright column 102 is fixed on the floating body 101, the first deck 103 is fixed on the top of the upright column 102, the first deck 103 is provided with an operation area, and the operation area is provided with a natural gas hydrate production and treatment system 106. The bracket 104 is arranged on the first deck 103, the second deck 105 is arranged on one end of the bracket 104 far away from the first deck 103, and the second deck 105 is provided with a living area. Through set up on the semi-submersible type production platform 100 and pass through support 104 is fixed respectively first deck 103 and second deck 105, first deck 103 is provided with the operation district, the operation district is provided with natural gas hydrate production processing system 106, second deck 105 is provided with the living area, semi-submersible type production platform 100 is applicable to natural gas hydrate production processing, just semi-submersible type production platform 100 the operation district sets up with the living area separately, semi-submersible type production platform 100's design is more humanized.
It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A semi-submersible production platform, comprising:
a float;
the bottom of the upright post is fixed on the floating body;
the first deck is fixed at the top of the upright column, the first deck is provided with an operation area, the operation area is provided with a natural gas hydrate production and treatment system, and the natural gas hydrate production and treatment system is used for converting natural gas hydrate into natural gas and outputting the natural gas;
the bracket is arranged on the first deck;
the second deck is arranged at one end, far away from the first deck, of the support, and the second deck is provided with a living area.
2. The semi-submersible production platform of claim 1, wherein the natural gas hydrate production processing system comprises a hydrocyclone, a gas-water-sand three-phase separator, a natural gas compressor, and a triethylene glycol dehydration system.
3. The semi-submersible production platform of claim 1 further comprising a power generation unit disposed on the second deck, the power generation unit configured to provide power to the work area and the living area.
4. The semi-submersible production platform of claim 3 wherein the power generation unit is a gas turbine power generation unit.
5. Semi-submersible production platform according to claim 1,
the floating body comprises a first lower floating body, a second lower floating body, a third lower floating body and a fourth lower floating body, and the first lower floating body, the second lower floating body, the third lower floating body and the fourth lower floating body are sequentially connected end to end;
the number of the upright columns is four, the bottoms of two upright columns are fixed on the first lower floating body at intervals, and the bottoms of the other two upright columns are fixed on the third lower floating body at intervals.
6. The semi-submersible production platform of claim 1 wherein storage bins are provided within the columns.
7. The semi-submersible production platform of claim 6, further comprising an outer deck and a mooring system;
the outer plate is arranged outside the upright post;
the anchoring system comprises an anchor machine, an anchoring accessory and an anchor chain;
the anchor machine is arranged at the top of the upright post, the anchoring accessory is arranged on the outer plate, the anchor chain is arranged on the storage bin, and the anchor machine is connected with the anchor chain through the anchoring accessory.
8. The semi-submersible production platform of claim 1 further comprising an exhaust system disposed on the first deck.
9. The semi-submersible production platform according to claim 1 wherein the living area is provided with a living building having a third deck extending outwardly from the roof of the living building, the third deck being used for helicopter landing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021528913.8U CN212828966U (en) | 2020-07-28 | 2020-07-28 | Semi-submersible type production platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021528913.8U CN212828966U (en) | 2020-07-28 | 2020-07-28 | Semi-submersible type production platform |
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| Publication Number | Publication Date |
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| CN212828966U true CN212828966U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021528913.8U Active CN212828966U (en) | 2020-07-28 | 2020-07-28 | Semi-submersible type production platform |
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|---|---|
| CN (1) | CN212828966U (en) |
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- 2020-07-28 CN CN202021528913.8U patent/CN212828966U/en active Active
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