CN102030085B - Novel floating production oil storage platform structure - Google Patents
Novel floating production oil storage platform structure Download PDFInfo
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- CN102030085B CN102030085B CN 200910070732 CN200910070732A CN102030085B CN 102030085 B CN102030085 B CN 102030085B CN 200910070732 CN200910070732 CN 200910070732 CN 200910070732 A CN200910070732 A CN 200910070732A CN 102030085 B CN102030085 B CN 102030085B
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- storage tank
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- 238000007667 floating Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000003921 oil Substances 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims abstract description 10
- 239000010779 crude oil Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 230000035807 sensation Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The invention discloses a floating production oil storage platform structure. The platform structure consists of a tension leg floating barrel structure, an oil storage tank (4) and an upper production and living platform (7) and is characterized in that: the oil storage tank (4) can provide enough buoyancy for the upper producing and living platform (7) and has enough buoyancy when the oil storage tank is under full load; when crude oil in the oil storage tank (4) reaches a certain degree, the crude oil can be transported outwards through a shuttle tanker; an annular floating protective frame (3) can provide buoyancy and buffer the impact of waves on the oil storage tank for protecting; and a suction anchor (1) is convenient to install and easy to recycle. When oil in an oil field is fully recovered, the platform structure is convenient to detach and can be arranged on a next boundary oil field, so that repeated utilization of the floating production oil storage platform structure is realized, the marine installation period of a shallow sea boundary oil field platform structure is shortened and the development cost of an oil field is lowered.
Description
Technical field
The invention belongs to the innovation of offshore production oil storage platform structure and construction method thereof.
Background technology
Be used at present oil gas processing, power and oil storage unification dual mode is arranged: a kind of is the production of hydrocarbons oil storage platform, and a kind of is the FPSO ship.
It is to support upper chunk by jacket structure that offshore oil and gas is produced oil storage platform, and upper chunk is divided into three layers at least, integrates production, power and oil storage.Its operating principle is: the crude oil of extracting out from sub-sea drilled wells by oil pipe, and process at platform, then be stored in the petrol storage tank of platform bottom, transport to shuttle tanker by marineline at last.Such mode is mainly used in the middle-size and small-size development of the field in shallow sea, and cost is relatively cheap.Along with the increase of the depth of water, its cost increases gradually, and jacket structure installation period is long, not recyclable.
FPSO is a ship that fills refining equipment, adopts single point mooring's pattern fixing across the sea.FPSO usually forms complete oil recovery, crude Treatment, oil storage and a unloading system with drilling platform or seabed oil extraction system, and its operating principle is similar to offshore oil and gas production oil storage platform.FPSO have capacity of anti-storm strong, adapt to that depth of water scope is wide, storage/emptying ability greatly and can shift, the advantage such as repeated usage, be widely used in deep-sea, shallow sea area away from seashore.But have the characteristics such as excessive risk, hightech, high added value, high investment as the production of oil-collecting gas, storage and outer transmission function FPSO, can not widespread use and the exploitation of marginal small oil field in.
Summary of the invention
In order to shorten the marine installation period of shallow sea marginal oil field platform structure, and reduce the development of the field expense, the invention provides a kind of floating production oil storage platform structure, adapt to the depth of water greater than 30m, oil storage capacity is less than 4000 tons.This floating production oil storage platform adopts the tension leg spar structures to support petrol storage tank and top productive life platform, this structure has advantages of Windsor in water, removable, weight is lighter, easy for installation, cost is lower and easily reclaim and reuse, can be from floating in installation process, do not need barge, crane barge and piling, effectively reduce the development of the field expense.
The technical solution adopted in the present invention is: a kind of floating production oil storage platform structure is comprised of tension leg spar structures, petrol storage tank and top productive life platform, it is characterized in that, described tension leg spar structures comprises an annular floating fender bracket, six above suction anchors and six above cable wires or anchor chain, annular floating fender bracket is positioned at below lowest low water level, and keep constant net buoyancy, by the cable wire of tensioning or anchor chain mooring on the sea floor suction anchor; Be welded with six roots of sensation slide-and-guide post on the interior ring limit of described annular floating fender bracket, petrol storage tank can rely on self buoyancy to change up and down along guidepost along with tidal level changes; Described petrol storage tank profile is cylindrical, and outer circumferential walls has guide groove, in establish four oil cabinets, be provided with conventional heating equipment and inert gas protection device, upper surface is welded with four pillar stiffeners that are used for supporting upper brace; Described upper brace be provided with for the production of with the life power station, hot station, crane, general-utility.The whole dependence from floating of Novel floating production oil storage platform structure is dragged to the job location by tugboat, transfer after suction anchor under platform relies on deadweight to make the suction anchor initial penetration into mud reach the native air-proof condition of stake, by extracting the water in suction anchor, make in suction anchor injection ocean bottom soil; Subsequently the cable wire under annular floating fender bracket or anchor chain mooring on the sea floor suction anchor, last erecting stage top productive life facility.Wherein petrol storage tank can provide enough large buoyancy for top productive life platform and self at full load, when petrol storage tank loading crude oil acquires a certain degree, transports outward by shuttle tanker; Annular floating fender bracket can also slow down wave to the impact of petrol storage tank except buoyancy is provided, shield; Suction anchor is easy for installation, easily reclaims, and adopts when the oil field and removes convenient and can arrive on next marginal oil field and install when most, realizes the repeatedly utilization of floating production oil storage platform structure.
Achievement of the present invention is, solved the problem that production of hydrocarbons oil storage platform installation period is long, not recyclable and FPSO ship cost is high.This Novel floating production oil storage platform structure not only easy for installation, can reuse, and the reduction of structural steel amount, can from floating, not need barge, crane barge and piling in installation process, save executive cost, for marginal small oil field exploitation provides a kind of economically viable platform structure.
Description of drawings
Novel floating production oil storage platform structure of the present invention and construction procedure are further illustrated by diagram.
Fig. 1 is the Novel floating production oil storage platform structure schematic diagram.
Fig. 2, Fig. 3, be Novel floating production oil storage platform structure installation process schematic diagram.
Wherein:
1-suction anchor 2-cable wire or productive life platform 8-seabed, the anchor chain 3-annular floating fender bracket 4-petrol storage tank 5-guidepost 6-pillar stiffener 7-top mud face 9-flexible pipe 10-water surface
The specific embodiment
Novel floating production oil storage platform structure is seen Fig. 1, is comprised of suction anchor 1, cable wire or anchor chain 2, annular floating fender bracket 3, petrol storage tank 4, top productive life platform 7, and Novel floating production oil storage platform structure integral body can be dragged to the job location by tugboat from floating.
Novel floating production oil storage platform structure is whole from floating state such as Fig. 2; after suction anchor 1 connects annular floating fender bracket 3 by cable wire or anchor chain 2; make suction anchor 1 top and cable wire or anchor chain 2 be retracted to annular floating fender bracket 3 bottom preformed holes; be welded and fixed in aggregatesly by auxiliary stand, annular floating fender bracket 3 and petrol storage tank 4 are fixed together by snap ring.Locate by two tugboats, cut off auxiliary stand and transfer suction anchor 1, and platform is carried out ballast, make suction anchor 1 drop to the mud face, remain cable wire or anchor chain 2 relaxed states in the ballast process, after relying on deadweight to make suction anchor 1 initial penetration into mud reach the native air-proof condition of stake, by extracting the water in suction anchor 1, make in suction anchor 1 injection ocean bottom soil.Unloading makes the platform structure floating, thus 2 one-tenth tensioning states of cable wire or anchor chain, and opening snap ring is that petrol storage tank 4 can move up and down at annular floating fender bracket 3, namely completes installation, sees Fig. 3.
Claims (5)
1. floating production oil storage platform, formed by tension leg spar structures, petrol storage tank and top productive life platform, it is characterized in that, described tension leg spar structures comprises an annular floating fender bracket, six above suction anchors and six above cable wires or anchor chain, annular floating fender bracket is positioned at below lowest low water level, and keep constant net buoyancy, by the cable wire of tensioning or anchor chain mooring on the sea floor suction anchor; Be welded with six roots of sensation slide-and-guide post on the interior ring limit of described annular floating fender bracket, petrol storage tank can rely on self buoyancy to change up and down along guidepost along with tidal level changes; Described petrol storage tank profile is cylindrical, in establish four oil cabinets, be provided with conventional heating equipment and inert gas protection device, upper surface is welded with four pillar stiffeners that are used for supporting upper brace; Described upper brace be provided with for the production of with the life power station, hot station, crane, general-utility.
2. a kind of floating production oil storage platform according to claim 1 is characterized in that: petrol storage tank can provide enough large buoyancy for top productive life platform and self at full load, when petrol storage tank reprinting crude oil acquires a certain degree, transports outward by shuttle tanker.
3. a kind of floating production oil storage platform according to claim 1, it is characterized in that: annular floating fender bracket can also slow down wave to the impact of petrol storage tank except buoyancy is provided, shield.
4. a kind of floating production oil storage platform according to claim 1, it is characterized in that: suction anchor is easy for installation, easily reclaims, and adopts when the oil field and removes convenient and can arrive on next marginal oil field and install when most, realizes the repeatedly utilization of floating production oil storage platform structure.
5. a kind of floating production oil storage platform according to claim 1, it is characterized in that: after suction anchor connects annular floating fender bracket by cable wire or anchor chain, make suction anchor top and cable wire or anchor chain be retracted to annular floating fender bracket bottom preformed hole, be welded and fixed in aggregatesly by auxiliary stand, annular floating fender bracket and petrol storage tank are fixed together by snap ring; Locate by two tugboats, cut off auxiliary stand and transfer suction anchor, and platform is carried out ballast, make suction anchor drop to the mud face, remain cable wire or anchor chain relaxed state in the ballast process, after relying on deadweight to make the suction anchor initial penetration into mud reach the native air-proof condition of stake, by extracting the water in suction anchor, make in suction anchor injection ocean bottom soil; Unloading makes the platform structure floating, thereby cable wire or anchor chain become tensioning state, open snap ring petrol storage tank can be moved up and down at annular floating fender bracket, thereby complete installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910070732 CN102030085B (en) | 2009-09-30 | 2009-09-30 | Novel floating production oil storage platform structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910070732 CN102030085B (en) | 2009-09-30 | 2009-09-30 | Novel floating production oil storage platform structure |
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| Publication Number | Publication Date |
|---|---|
| CN102030085A CN102030085A (en) | 2011-04-27 |
| CN102030085B true CN102030085B (en) | 2013-05-08 |
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| CN 200910070732 Expired - Fee Related CN102030085B (en) | 2009-09-30 | 2009-09-30 | Novel floating production oil storage platform structure |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031853B (en) * | 2012-12-28 | 2015-01-14 | 中国海洋石油总公司 | Seabed oil storage system |
| CN103482036A (en) * | 2013-10-12 | 2014-01-01 | 惠生（南通）重工有限公司 | Buoyancy tower type ocean platform |
| 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 |
| CN107585269B (en) * | 2017-09-29 | 2020-05-15 | 强海海洋（深圳）科技控股有限公司 | Seawater three-dimensional oil tank platform, system and construction method thereof |
| CN111165412A (en) * | 2020-01-03 | 2020-05-19 | 惠生（南通）重工有限公司 | Offshore wind power breeding integrated platform |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO141363B (en) * | 1974-05-02 | 1979-11-19 | Erno Raumfahrttechnik Gmbh | PARTLY SUBMISSIBLE CARRYING PLATFORM |
| GB2121733A (en) * | 1982-06-08 | 1984-01-04 | Goetaverken Arendal Ab | An offshore platform |
| CN1777532A (en) * | 2003-02-28 | 2006-05-24 | 默代克国际有限公司 | Riser pipe support system and method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE526284C2 (en) * | 2003-02-18 | 2005-08-16 | Gva Consultants Ab | Semi-submersible offshore platform and methods for positioning operating modules on said platform |
| SE526287C2 (en) * | 2003-06-04 | 2005-08-16 | Gva Consultants Ab | Semisubmersible offshore vessel |
-
2009
- 2009-09-30 CN CN 200910070732 patent/CN102030085B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO141363B (en) * | 1974-05-02 | 1979-11-19 | Erno Raumfahrttechnik Gmbh | PARTLY SUBMISSIBLE CARRYING PLATFORM |
| GB2121733A (en) * | 1982-06-08 | 1984-01-04 | Goetaverken Arendal Ab | An offshore platform |
| CN1777532A (en) * | 2003-02-28 | 2006-05-24 | 默代克国际有限公司 | Riser pipe support system and method |
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| Publication number | Publication date |
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| CN102030085A (en) | 2011-04-27 |
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Denomination of invention: Novel floating production oil storage platform structure Effective date of registration: 20140718 Granted publication date: 20130508 Pledgee: Bank of Hebei, Limited by Share Ltd, Tianjin branch Pledgor: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD. Registration number: 2014990000588 |
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Denomination of invention: Novel floating production oil storage platform structure Effective date of registration: 20151201 Granted publication date: 20130508 Pledgee: The Bank of Hebei Limited by Share Ltd Tianjin wangdingdi branch Pledgor: Wudi Zhong Yi hose manufacturing Co., Ltd.|Tianjin City, the sea of oil equipment Co., Ltd.|Tianjin Neptune offshore engineering technology Limited by Share Ltd Registration number: 2015120000076 |
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