US3779024A - Stationary storage and mooring plant resting on the bottom of the sea - Google Patents

Stationary storage and mooring plant resting on the bottom of the sea Download PDF

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Publication number
US3779024A
US3779024A US00155136A US3779024DA US3779024A US 3779024 A US3779024 A US 3779024A US 00155136 A US00155136 A US 00155136A US 3779024D A US3779024D A US 3779024DA US 3779024 A US3779024 A US 3779024A
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United States
Prior art keywords
plant according
mooring structure
sea
mooring
plant
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Expired - Lifetime
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US00155136A
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English (en)
Inventor
G Greve
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AS HOYER ELLEFSEN NO
HOEYER ELLEFSEN AS
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HOEYER ELLEFSEN AS
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/068—Landing stages for vessels

Definitions

  • a stationary plant for servicing ships comprises a l 58] Fi d a h 61 M 50 52 mooring structure resting on the bottom of the sea and e e W projecting upwardly above the surface of the sea.
  • the mooring structure extends around a central area to generally enclose that area to form a generally en- [56] References cued closed sheltered harbour having at least one entrance UNITED STATES PATENTS for vessels, and the mooring structure comprises at 3,630,161 12/1971 Georgii 6 l/46.5 least one hollow water-tight caisson capable of storing 3,618,327 11/1971 Frein et al. 61/34 a liquid such as oil gas or the 3,660,954 5/1972 Logan 52/309 3,563,041 2/197!
  • the present invention relates to a stationary plant resting on the bottom of the sea and projecting above the sea level as well as constructed for anchoring vessels.
  • the new and characterizing idea forming the basis of the present invention is the idea that such a stationary mooring plant can be constructed so as to comprise storage tanks in the form of caissons or the like which are suited to receive natural raw materials as for instance oil or gas.
  • the invention is especially intended for use in connection with oil or gas sources in the heavy seas where the materials won can be fed directly into the storage tanks which constitute the main part of the plant structure. Tankers can then anchor alongside said storage tanks to load the oil or the gas.
  • storage tanks placed on the bottom of the sea are known. Said storage tanks, however, have been solely used as storage tanks having no structural features whatever to permit mooring of vessels. They have provided no protection against heavy sea, no quay, no fenders and no area for storage of goods or mounting of cranes, harbor warehouses, industrial offices, crews quarters or the like. It is, in fact, typical that storage tanks of the mentioned kind are only known from areas in smooth sea not far from the shore, where vessels can anchor without need of any harbor.
  • the present invention is based on the idea that the mooring plant consists of specially shaped storage tanks. It is adaptable to any desired and conventional use of a harbor and may be positioned and served satisfactorily in any sea area without limitations. The plant according to the present invention will only be unsuitable economically at great sea depths.
  • the plant is especially useful in shallow sea areas far from the shore and in areas with much heavy weather, eg in the North Sea.
  • the previously known storage tanks on the sea ground would be unsuitable because vessels would arrive irregularly, which again causes need for enormous storage capacity and expensive transport.
  • a plant according to the present invention is also advantageous because of its space for crews quarters, industry etc.
  • the sea ground may be elevated.
  • a fill may be provided on which the caissons is placed.
  • the fill will normally be made of stone or sand.
  • the caissons may partly be filled with sand, stone or similar material. Out of stability considerations it would also be suitable if the caissons are made reinforced concrete structures.
  • a caisson could advantageously be divided into several smaller cells or in other words: several caissons can be assembled to a large caisson.
  • the sides exposed to waves are formed in such a manner that the waves are 2 broken down or subdued. This is especially the case on the water level. For instance a corrugation, a grill or a series of piles could be provided.
  • FIG. 1 shows a perspective plan view of a plant according to the invention, arranged as a partly closed harbor
  • FIG. 2 shows a section along the line A--A in FIG. I.
  • the latter are partly constructed as storage tanks for oil 3 and partly as chambers for sand 4.
  • Interior walls 5 divide the caissons into cells and 6 is a cover dividing the spaces for oil and sand.
  • 7 is a stone fill arranged to elevate the bottom of the sea below the caissons.
  • the partly closed harbor basin provided by the embodiment according to FIG. 1 is marked 8.
  • vessels 9 can find lee shelter.
  • the deck 10 can be used for manufacturing premises, crews quarters, helicopter deck or the like.
  • the portion of the mooring structure exposed to waves is preferably made in such a manner as to subdue or break the waves.
  • Such means may include corrugations 11.
  • the top of the mooring structure 1 would preferably include at least one flat portion adapted to-serve as a helicopter deck, a helicopter being indicated schematically at 13 in FIG. 1.
  • the concrete walls of the storage tanks are preferably finished with a plastic coating.
  • a stationary plant for servicing ships comprising:
  • a mooring structure resting on the bottom of the sea and projecting upwardly above the surface of the sea, said mooring structure extending around a central area to generally enclose that area to form a generally enclosed sheltered harbor having at least one entrance for vessels, said mooring structure comprising at least one hollow water-tight caisson capable of storing a liquid such as oil, gas or the like.
  • a plant according to claim 1 said mooring structure being constructed from its bottom to its top of a plurality of individual caissons forming a plurality of cells watertightly separated from each other.
  • a plant according to claim 1 in which the outer periphery of the mooring structure exposed to waves said mooring structure resting on said till.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)
US00155136A 1970-06-23 1971-06-21 Stationary storage and mooring plant resting on the bottom of the sea Expired - Lifetime US3779024A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO2442/70A NO127633C (ja) 1970-06-23 1970-06-23

Publications (1)

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US3779024A true US3779024A (en) 1973-12-18

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US00155136A Expired - Lifetime US3779024A (en) 1970-06-23 1971-06-21 Stationary storage and mooring plant resting on the bottom of the sea

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US (1) US3779024A (ja)
GB (1) GB1316388A (ja)
NO (1) NO127633C (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2109384A1 (de) * 1971-02-27 1973-06-07 Paproth & Co Bauunternehmung G Verfahren zur herstellung unterirdischer bauwerke von nennweiten unter vier metern im schildvortrieb und vortriebsschild fuer dieses verfahren
US3844122A (en) * 1973-04-26 1974-10-29 Pittsburgh Des Moines Steel Protected offshore storage facility
US4226554A (en) * 1978-05-23 1980-10-07 Massachusetts Institute Of Technology Method and apparatus for absorbing dynamic forces on structures
US4440523A (en) * 1983-06-16 1984-04-03 Massachusetts Institute Of Technology Separating collector for subsea blowouts
US4456071A (en) * 1981-10-16 1984-06-26 Massachusetts Institute Of Technology Oil collector for subsea blowouts
US4478537A (en) * 1982-07-02 1984-10-23 Brian Watt Associates, Inc. Arctic caisson system
GB2200676A (en) * 1986-12-29 1988-08-10 Petroleo Brasileiro Sa Offshore harbour
US5098226A (en) * 1990-01-30 1992-03-24 Massachusetts Institute Of Technology Apparatus and method for damping low frequency perturbations of marine structures
US6520720B1 (en) * 2000-05-15 2003-02-18 Vladimir Sandzhievich Boldurev Artificial island, artificial island support and method for building an artificial island
WO2013002648A1 (en) 2011-06-30 2013-01-03 Gravi Float As Plant for storage and unloading hydrocarbon and also a method thereof
WO2019204970A1 (zh) * 2018-04-24 2019-10-31 中国海洋大学 一种滨海湿地侵蚀防护新结构及其施工方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1423884A (en) * 1920-02-10 1922-07-25 Henry L Miller Ocean pier
US2071520A (en) * 1935-06-21 1937-02-23 Harrison Joseph Duke Sports lagoon and ocean terminal
US2939290A (en) * 1954-10-01 1960-06-07 Shell Oil Co Marine drilling rig foundations
FR1413074A (fr) * 1964-01-25 1965-10-08 Perfectionnements apportés aux procédés de création de plans d'eau abrités au moyen d'ouvrages flottants
US3488967A (en) * 1967-03-23 1970-01-13 Mobil Oil Corp Combination deep water storage tank and drilling and production platform
US3492826A (en) * 1968-02-28 1970-02-03 S O G Research & Dev Corp Retaining wall structure
US3563041A (en) * 1969-03-14 1971-02-16 Bernard Michel Off-shore ship mooring installation
US3572278A (en) * 1968-11-27 1971-03-23 Exxon Production Research Co Floating production platform
US3618327A (en) * 1968-11-15 1971-11-09 Morrison Knudsen Co Caisson structure and pier construction methods
US3630161A (en) * 1968-05-17 1971-12-28 Hydro Betong Ab Multiple purpose floating concrete ring
US3660954A (en) * 1968-11-15 1972-05-09 Broadway Finance Corp Facing for building blocks

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1423884A (en) * 1920-02-10 1922-07-25 Henry L Miller Ocean pier
US2071520A (en) * 1935-06-21 1937-02-23 Harrison Joseph Duke Sports lagoon and ocean terminal
US2939290A (en) * 1954-10-01 1960-06-07 Shell Oil Co Marine drilling rig foundations
FR1413074A (fr) * 1964-01-25 1965-10-08 Perfectionnements apportés aux procédés de création de plans d'eau abrités au moyen d'ouvrages flottants
US3488967A (en) * 1967-03-23 1970-01-13 Mobil Oil Corp Combination deep water storage tank and drilling and production platform
US3492826A (en) * 1968-02-28 1970-02-03 S O G Research & Dev Corp Retaining wall structure
US3630161A (en) * 1968-05-17 1971-12-28 Hydro Betong Ab Multiple purpose floating concrete ring
US3618327A (en) * 1968-11-15 1971-11-09 Morrison Knudsen Co Caisson structure and pier construction methods
US3660954A (en) * 1968-11-15 1972-05-09 Broadway Finance Corp Facing for building blocks
US3572278A (en) * 1968-11-27 1971-03-23 Exxon Production Research Co Floating production platform
US3563041A (en) * 1969-03-14 1971-02-16 Bernard Michel Off-shore ship mooring installation

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2109384A1 (de) * 1971-02-27 1973-06-07 Paproth & Co Bauunternehmung G Verfahren zur herstellung unterirdischer bauwerke von nennweiten unter vier metern im schildvortrieb und vortriebsschild fuer dieses verfahren
US3844122A (en) * 1973-04-26 1974-10-29 Pittsburgh Des Moines Steel Protected offshore storage facility
US4226554A (en) * 1978-05-23 1980-10-07 Massachusetts Institute Of Technology Method and apparatus for absorbing dynamic forces on structures
US4456071A (en) * 1981-10-16 1984-06-26 Massachusetts Institute Of Technology Oil collector for subsea blowouts
US4478537A (en) * 1982-07-02 1984-10-23 Brian Watt Associates, Inc. Arctic caisson system
US4440523A (en) * 1983-06-16 1984-04-03 Massachusetts Institute Of Technology Separating collector for subsea blowouts
GB2200676A (en) * 1986-12-29 1988-08-10 Petroleo Brasileiro Sa Offshore harbour
GB2200676B (en) * 1986-12-29 1990-11-21 Petroleo Brasileiro Sa An offshore harbour
US5098226A (en) * 1990-01-30 1992-03-24 Massachusetts Institute Of Technology Apparatus and method for damping low frequency perturbations of marine structures
US6520720B1 (en) * 2000-05-15 2003-02-18 Vladimir Sandzhievich Boldurev Artificial island, artificial island support and method for building an artificial island
WO2013002648A1 (en) 2011-06-30 2013-01-03 Gravi Float As Plant for storage and unloading hydrocarbon and also a method thereof
CN103946455A (zh) * 2011-06-30 2014-07-23 格拉夫漂浮股份公司 用于存储和卸载油气的设施及其方法
WO2019204970A1 (zh) * 2018-04-24 2019-10-31 中国海洋大学 一种滨海湿地侵蚀防护新结构及其施工方法

Also Published As

Publication number Publication date
GB1316388A (en) 1973-05-09
NO127633B (ja) 1973-07-23
NO127633C (ja) 1975-01-23

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