US2938353A - Submersible drilling barge - Google Patents
Submersible drilling barge Download PDFInfo
- Publication number
- US2938353A US2938353A US477743A US47774354A US2938353A US 2938353 A US2938353 A US 2938353A US 477743 A US477743 A US 477743A US 47774354 A US47774354 A US 47774354A US 2938353 A US2938353 A US 2938353A
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- United States
- Prior art keywords
- barge
- pontoon
- drilling
- mud
- submersible
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- Expired - Lifetime
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
- E02B17/021—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
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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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/24—Anchors
- B63B21/26—Anchors securing to bed
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0073—Details of sea bottom engaging footing
- E02B2017/0086—Large footings connecting several legs or serving as a reservoir for the storage of oil or gas
Definitions
- the present invention relates to marine vessels such as floating barges for use in subaqueous drilling operations and pertains more particularly to a new type of a submersible barge for supporting the necessary well drilling equipment firmly in place above the surface of the water during drilling operations at ofi-shore locations.
- a further object of this invention is to provide a floatable drilling barge adapted to be submerged on a muddy 1 bottom in such a manner that the entire submerged pontoon ofthe barge sinks into the mud with the top deck of the. pontoon substantially level with the mud-water interface at the drillinglocation.
- Another object of this invention is to provide a floatable drilling barge adapted to be submerged in a manner such that .there is substantially no area on the ends of theisubmerged pontoon against which the force of the water currents may act. 7 It is a further object of this invention to provide a floatable-drilling barge having a submersible pontoon of a .design adaptedto cut into a muddy bottom to prevent lateral movement of the pontoon by underwater currents.
- Another object ofthis invention is to provide a float- .able drilling barge having a submersible pontoon of a suitable design to allow it to sink into a muddy ocean bottom. in, such a manner as" to prevent any erosion of material from beneath the pontoon by currents or'the impact of waves 7 v
- Figurel is a view, of the present drilling barge, shown with its pontoon,-taken in cross-section, positionedin the mud below the surface of the water.
- Figure 2 is ure-l.
- I Figure 3 is a bottom view of the barge of Figure 1, showing the drilling slot or bay through which drillin operations'are carried on.
- Figure 4 is a cross-sectional view of the pontoon taken along the line 4--4'-of Figure2.
- i Figure 5 is a cross-sectional view of thepontoon, taken alongthe line 5-5; of Figure 2.
- Figures v6 and 7 are isometric projection views of other .rtypesof'pontoons of thepresent inventions 1 f- :3
- Figures 8, 8a and 9,-9a,. 9b are schematic views-illustrating barges of the present invention while floating and .while sunk at a selectedldrilling location.
- the presentdrill- 'ing barge comprises an operating platform 11 fixedly secured to and'supported by a plurality of vertical ,legs.or
- legs. 12 are of a length snfiicientvforthe drilling platform 11 to be, positioned .20 or 30 ftQabove the water line 14 while the pontoon '13 is sunkv flush with the mud level or line :15.
- the legs 12 may beconstructed ,as tubular columns, ll-beams or the like, having a diameteror size sufii'cient to give the necessary strength while being as small as possible to reduce the area against which current or wave forces might act when the barge is in its.sub-
- Crossbracing members 17 may be employed to impart .added'rigidity to the structure.
- the intersection of two side plates 23 and ( Figure 6) of a pontoon ballast tank may have any suitable value, the controlling factor being the consistency of the mud bottom on which the pontoon 13 is to be positioned.
- the downwardly pointing angle of the ballast tanks may have a value such as sixty degrees or more between the sides of the ballast tanks.
- the downwardly pointed angle of the ballast tanks may be as little as or less, in order to permit the tanks to be thin and sharp enough to be forced completely into the soft bottoms so that the top plate 20 of the pontoon rests upon the bottom and supports the weight of the drilling platform positioned thereabove.
- the base pontoon 13 of the present invention may be employed also on barges as shown in Figures 8 and 9 having operating platforms 11 that normally carried on the pontoons 13 when the barge is floated into position to increase the stability of the barge during movement to the drilling location.
- the platform 11 On arrival at the location, the platform 11 is raised up the legs 12 of the barge by suitable winches, hoists, air-jacks, etc., in a manner Well known to the art until the platform is at the desired height.
- the platform 11a is also a pontoon member adapted to aid in floating the barge when it is desired to carry loads of heavy equipment (not shown) on the operating platform when the barge is being moved.
- the base pontoon 13 On arrival at the drilling location the base pontoon 13 is evacuated and sunk in the mud (Fig. 9a) in a manner previously described. Subsequently the platform 11a is jacked or hoisted on the legs 12 to a desired height above the water level (Fig. 9b).
- the vertical plate members and 42 (Figs. 1 and 3) secured to the bottom of the barge and extending downwardly therefrom into the mud also tend to prevent horizontal movement of the barge in mud due to ocean currents.
- Similar vertical plate members 40 and 42 either fixed or movable, could be secured to the bottom or sides of other types of pontoons, submersible drilling barges or platforms well known to the art to prevent their movement on a muddy bottom. If necessary the vertical plate members 40 and 42 of the present pontoon 13 could be made longer so as to extend deeper into the mud to give greater holding power.
- pontoon 13 As illustrated in Figure 1 of the drawing, it may be more desirable in certain instances, such as on soft uneven ocean floors, to employ several small pontoons of the present design to support one or more opera-ting platforms, or to use a single large sectional pontoon to conform to uneven bottom conditions.
- the pontoon of the present barge is also found to be of considerable use by itself when used as a breakwater unit for other types of drilling barges or platforms positioned in offshore locations.
- the pontoon may be constructed 40 or more feet high, without a drilling slot in one end, and is sunk in the bottom only a suflicient depth to prevent its being moved by wave action.
- a drilling barge for drilling wells on ofishore locations in bodies of water covering soft muddy bottoms comprising a floatable pontoon member adapted to be sunk to form a base for the barge on the muddy hottom, vertical leg members secured to the pontoon memher and extending upwardly above the surface of the water when the pontoon member is positioned in the mud, an operating platform carried by said leg members, said pontoon member and said operating platform each being provided with an opening of a size to permit well drilling tools to pass therethrough, said openings being in vertical alignment with each other, said pontoon member comprising rigid topplate means having at least two longitudinal ballast tanks affixed to the underside in spaced relationship and along two opposite edges thereof, said ballast tanks having a height substantially greater than the thickness of said top plate means and being triangular in cross-section with one side of the triangle being formed by the top plate means and one angle of the triangle pointing downwardly, said triangular ballast tanks having a buoyancy suflicient to
- a drilling barge for drilling wells on offshore locations in bodies of water covering soft muddy bottoms comprising a floatable pontoon member adapted to be sunk to form a base for the barge on the muddy bottom, vertical leg members secured to the pontoon mem her and extending upwardly above the surface of the water when the pontoon member is positioned in the mud, an operating platform carried by said leg members, said pontoon member and said operating platform each being provided with an opening of a size to permit well drilling tools to pass therethrough, said openings being in vertical alignment with each other, said pontoon member comprising a rigid top plate member having at least two longitudinal, triangular in cross-section ballast tanks aflixed to the underside in spaced relationship and along the longitudinal edges thereof, said triangle being formed by the top plate member and one angle of the triangle pointing downwardly, said triangular ballast tanks having a buoyancy suflicient to float the barge, vertically-positioned transverse plate members extending between said ballast tanks and being secured
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
Description
May 31., 1960 E. R. VORENKAMP 2,938,353
SUBMERSIBLE DRILLING BARGE Filed Dec. 27, 1954 4 Sheets-Sheet 1 INVENTOR ER. VORENKAMP HIS AGENT May 31., 1960 E. R. VORENKAM-P 2,938,353
SUBMERSIBLE DRILLING BARGE Filed Dec. 27, 1954 4 Sheets-Sheet 2 FIG. 5 INVENTOR ER. VORENKAMP 14.1 HIS AGENT May 31, 1960 E. R. VORENKAMP SUBMERSIBLE DRILLING BARGE 4 Sheets-Sheet 3 Filed Dec. 27, 1954 INVEN TOR:
E.R. VORENKAMP 6 H M @1 1 HIS AGENT y 1960 E. R. VORENKAMP 2,938,353
SUBMERSIBLE DRILLING BARGE Filed Dec. 27, 1954 4 Sheets-Sheet 4 FIG. 80
I. MUD I FIG. 9 FIG. 90 FlG.9b
INVENTOR E.R. VORENKAMP HIS AGENT 2,938,353 S'UBMERSIBLE DRILLING BARGE- Egbert R. Vorenltamp, New Orleans, La., assignor to Shell Oil Company, a corporation of Delaware Filed Dec. 21, 1954, set-.No. 477,743
2 Claims. Ciel-46.5
The present invention relates to marine vessels such as floating barges for use in subaqueous drilling operations and pertains more particularly to a new type of a submersible barge for supporting the necessary well drilling equipment firmly in place above the surface of the water during drilling operations at ofi-shore locations.
During the past several years considerable interest has been shown in drilling'oil wells in otf-shorelocations,
particularly in the Continental Shelf off the shores of Texas and Louisiana. Drilling ofi-shore oiliwells is a difiicult and expensive operation necessitating the use of suitable apparatus for positioning the required drilling equipment at a safe level'above the surface of the waters in which drilling operations are being carried out. Heretofore, various types-of apparatuses havebeen proposed for use in off-shore drilling operations. These apparatuses fall into twomain classes: l) fixed platforms positioned -on piling which is driven into the ocean floor and (2) ideal drilling barge should havea hull or pontoon sufficientin size to impart stability to the barge, either when the barge is being-floated to the drilling location, or after it has been sunk to the ocean floor at said location. In designing a pontoon adapted --to be positioned onan ocean floor, it is important that the pontoon be no higher than necessary so as to reduce the area *against which wind and ocean waves or currents would act to move the barge.
At some locations off the coast of Louisiana, there is no solid bottom on which a submersible barge may be set. This is especially true at locations off the mouth ft. deep while the soft, fluid or unconsolidated mud underlying the water may be several hundred feet deep. This mud often consists of from 60 to 90% solids and, has to serve at the base for drilling barges, which must be constructed with sufiicient bearing areas to rest on this However, even a barge of considerable weight does not sink into this mud far enough to be safe from currents or wave forces tending to move the barge. While at most locations on the Continental Shelf there generally no underwater currents, a storm of considerable duration will cause a constant movement of the water against a sunken barge tending to move it. Thus, in some cases astorm may cause the-.water toim'ove against asunken 2,938,353 Fatented May 31,1960
It is therefore a primary object of the present invention to provide a floatable drilling barge adapted to be submerged on an unconsolidated muddy bottom, said barge having sufiicient bearing areato support a drilling platform and associated drilling equipment at a predetermined height above the surface of the water. I
A further object of this invention is to provide a floatable drilling barge adapted to be submerged on a muddy 1 bottom in such a manner that the entire submerged pontoon ofthe barge sinks into the mud with the top deck of the. pontoon substantially level with the mud-water interface at the drillinglocation. 1
Another object of this inventionis to provide a floatable drilling barge adapted to be submerged in a manner such that .there is substantially no area on the ends of theisubmerged pontoon against which the force of the water currents may act. 7 It is a further object of this invention to provide a floatable-drilling barge having a submersible pontoon of a .design adaptedto cut into a muddy bottom to prevent lateral movement of the pontoon by underwater currents.
Another object ofthis invention is to provide a float- .able drilling barge having a submersible pontoon of a suitable design to allow it to sink into a muddy ocean bottom. in, such a manner as" to prevent any erosion of material from beneath the pontoon by currents or'the impact of waves 7 v These and other objects of the invention will be understood from the, following description taken with reference to. the drawing, .wherein:
Figurel is a view, of the present drilling barge, shown with its pontoon,-taken in cross-section, positionedin the mud below the surface of the water.
Figure 2 is ure-l. I Figure 3 is a bottom view of the barge of Figure 1, showing the drilling slot or bay through which drillin operations'are carried on. Figure 4 :is a cross-sectional view of the pontoon taken along the line 4--4'-of Figure2. i Figure 5 is a cross-sectional view of thepontoon, taken alongthe line 5-5; of Figure 2. Figures v6 and 7 are isometric projection views of other .rtypesof'pontoons of thepresent inventions 1 f- :3
.Figures 8, 8a and 9,-9a,. 9b are schematic views-illustrating barges of the present invention while floating and .while sunk at a selectedldrilling location.
0 Referring to Figure '1: of'thedrawing, the presentdrill- 'ing bargecomprises an operating platform 11 fixedly secured to and'supported by a plurality of vertical ,legs.or
a plan view of the, drillin grbar'ge columns 12 which are injturn afiixed to the topgof a of the Mississippi River where the water may be only 30 pontoon 13, which has substantially the same dimensions as the operating or drillingrplatform '11. The vertical hull at a constant speed of 1- knot o'r more during the duration ofthe storm, and to move 'a hull. In one storm,a submersible drilling barge, which was over '200 drawing, a pair ofsloping' longitudinal bl .1kheads,-.2 5
, merged position.
legs. 12 are of a length snfiicientvforthe drilling platform 11 to be, positioned .20 or 30 ftQabove the water line 14 while the pontoon '13 is sunkv flush with the mud level or line :15. The legs 12 may beconstructed ,as tubular columns, ll-beams or the like, having a diameteror size sufii'cient to give the necessary strength while being as small as possible to reduce the area against which current or wave forces might act when the barge is in its.sub-
Crossbracing members 17 may be employed to impart .added'rigidity to the structure. As shown-in'Figures .1..and;7 of the drawing, the pontoon 13 comprises a. top plate "20, endplateszl-and 22 .and side plates 23. and 24 with =the; bottom fi .th,e pantoon 'openl' As shown .in'Figures: .4 and S-Of; the
and 26 are provided and securely Welded in 'afiuidtight .manner to the top plate'320 and the side platesz23nand 1 24, respectively, to form longitudinal fluidtightz;,hallast tanks the-length of the barge along. eachusideithsreni.
the intersection of two side plates 23 and (Figure 6) of a pontoon ballast tank may have any suitable value, the controlling factor being the consistency of the mud bottom on which the pontoon 13 is to be positioned. Thus, in very soft bottoms, the downwardly pointing angle of the ballast tanks may have a value such as sixty degrees or more between the sides of the ballast tanks. On the other hand, when a barge of the present invention is to be sunk on an ocean floor that is more firm, the downwardly pointed angle of the ballast tanks may be as little as or less, in order to permit the tanks to be thin and sharp enough to be forced completely into the soft bottoms so that the top plate 20 of the pontoon rests upon the bottom and supports the weight of the drilling platform positioned thereabove.
The base pontoon 13 of the present invention may be employed also on barges as shown in Figures 8 and 9 having operating platforms 11 that normally carried on the pontoons 13 when the barge is floated into position to increase the stability of the barge during movement to the drilling location. On arrival at the location, the platform 11 is raised up the legs 12 of the barge by suitable winches, hoists, air-jacks, etc., in a manner Well known to the art until the platform is at the desired height.
In the barge shown in Figure 9, the platform 11a is also a pontoon member adapted to aid in floating the barge when it is desired to carry loads of heavy equipment (not shown) on the operating platform when the barge is being moved. On arrival at the drilling location the base pontoon 13 is evacuated and sunk in the mud (Fig. 9a) in a manner previously described. Subsequently the platform 11a is jacked or hoisted on the legs 12 to a desired height above the water level (Fig. 9b).
In addition to the downwardly pointing ballast tanks sinking in a soft or muddy sea bottoms, the vertical plate members and 42 (Figs. 1 and 3) secured to the bottom of the barge and extending downwardly therefrom into the mud also tend to prevent horizontal movement of the barge in mud due to ocean currents. Similar vertical plate members 40 and 42, either fixed or movable, could be secured to the bottom or sides of other types of pontoons, submersible drilling barges or platforms well known to the art to prevent their movement on a muddy bottom. If necessary the vertical plate members 40 and 42 of the present pontoon 13 could be made longer so as to extend deeper into the mud to give greater holding power.
Instead of employing a single large submersible pontoon 13 as illustrated in Figure 1 of the drawing, it may be more desirable in certain instances, such as on soft uneven ocean floors, to employ several small pontoons of the present design to support one or more opera-ting platforms, or to use a single large sectional pontoon to conform to uneven bottom conditions. The pontoon of the present barge is also found to be of considerable use by itself when used as a breakwater unit for other types of drilling barges or platforms positioned in offshore locations. As a breakwater unit the pontoon may be constructed 40 or more feet high, without a drilling slot in one end, and is sunk in the bottom only a suflicient depth to prevent its being moved by wave action.
I claim as my invention:
1. A drilling barge for drilling wells on ofishore locations in bodies of water covering soft muddy bottoms, said barge comprising a floatable pontoon member adapted to be sunk to form a base for the barge on the muddy hottom, vertical leg members secured to the pontoon memher and extending upwardly above the surface of the water when the pontoon member is positioned in the mud, an operating platform carried by said leg members, said pontoon member and said operating platform each being provided with an opening of a size to permit well drilling tools to pass therethrough, said openings being in vertical alignment with each other, said pontoon member comprising rigid topplate means having at least two longitudinal ballast tanks affixed to the underside in spaced relationship and along two opposite edges thereof, said ballast tanks having a height substantially greater than the thickness of said top plate means and being triangular in cross-section with one side of the triangle being formed by the top plate means and one angle of the triangle pointing downwardly, said triangular ballast tanks having a buoyancy suflicient to float the barge, and means for flooding said ballast tanks, thereby causing the downwardly-pointed ballast tanks to penetrate and become submerged in the muddy ocean bottom until the top plate means of the pontoon member substantially rests level with and on top of the mud to support the barge during drilling operations.
2. A drilling barge for drilling wells on offshore locations in bodies of water covering soft muddy bottoms, said barge comprising a floatable pontoon member adapted to be sunk to form a base for the barge on the muddy bottom, vertical leg members secured to the pontoon mem her and extending upwardly above the surface of the water when the pontoon member is positioned in the mud, an operating platform carried by said leg members, said pontoon member and said operating platform each being provided with an opening of a size to permit well drilling tools to pass therethrough, said openings being in vertical alignment with each other, said pontoon member comprising a rigid top plate member having at least two longitudinal, triangular in cross-section ballast tanks aflixed to the underside in spaced relationship and along the longitudinal edges thereof, said triangle being formed by the top plate member and one angle of the triangle pointing downwardly, said triangular ballast tanks having a buoyancy suflicient to float the barge, vertically-positioned transverse plate members extending between said ballast tanks and being secured to said tanks and to said rigid top plate member to form a plurality of open-bottom cells adapted to be filled with air, and means for flooding said ballast tanks and cells, thereby causing the downwardly-pointed ballast tanks to penetrate and become submerged in the muddy ocean bottom until the top plate member of the pontoon member substantially rests level with and on top of the mud to support the barge during drilling operations.
References Cited in the file of this patent UNITED STATES PATENTS 720,997 Becker Feb. 17, 1903 1,971,046 Moran Aug. 21, 1934 2,589,146 Samuelson Mar. 11, 1952 2,591,599 Parks Apr. 1, 1952 2,622,404 Rice Dec. 23, 1952 2,677,935 Schaufele May 11, 1954 2,699,042 Hayward Jan. 11, 1955 FOREIGN PATENTS 978,769 France Nov. 29, 1950
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US477743A US2938353A (en) | 1954-12-27 | 1954-12-27 | Submersible drilling barge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US477743A US2938353A (en) | 1954-12-27 | 1954-12-27 | Submersible drilling barge |
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US2938353A true US2938353A (en) | 1960-05-31 |
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US477743A Expired - Lifetime US2938353A (en) | 1954-12-27 | 1954-12-27 | Submersible drilling barge |
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Cited By (50)
Publication number | Priority date | Publication date | Assignee | Title |
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US3263641A (en) * | 1964-09-15 | 1966-08-02 | Robert F Patterson | Anchoring structure |
US3389671A (en) * | 1967-01-03 | 1968-06-25 | Oscar A. Yost | Floating assembly for off-shore drilling, mining or fishing platform |
US3755932A (en) * | 1971-06-23 | 1973-09-04 | N Cargile | Jack-up dredge |
US3793842A (en) * | 1971-03-05 | 1974-02-26 | Sea Tank Co | Self-stabilizing submarine tank |
US3886753A (en) * | 1972-04-04 | 1975-06-03 | Jal Nariman Birdy | Submersible structures |
US3911687A (en) * | 1972-05-02 | 1975-10-14 | Olav Mo | Foundation method for caissons |
US3928982A (en) * | 1973-03-05 | 1975-12-30 | Sea Tank Co | Method and device for a foundation by depression in an aquatic site |
DE2605392A1 (en) * | 1975-02-11 | 1976-08-19 | Garcia Cardena Don Pedro | OCEAN DRILLING AND FARMING ISLAND |
US3991824A (en) * | 1975-11-20 | 1976-11-16 | Atlantic Richfield Company | Offshore well drilling, completion and production |
US3999395A (en) * | 1973-04-26 | 1976-12-28 | Ab Vattenbyggnadsbyran | Support arrangement for a construction |
US4060995A (en) * | 1975-03-26 | 1977-12-06 | Sea Tank Co. S.A. | Immersion of an offshore weight-structure having two compartments |
US4069681A (en) * | 1976-02-02 | 1978-01-24 | Texaco Inc. | Offshore structure for deltaic substrates |
US4155674A (en) * | 1976-08-17 | 1979-05-22 | Compagnie Francaise D'entreprises Metalliques | Offshore platforms |
DE2924576A1 (en) * | 1979-06-19 | 1981-01-15 | Blohm Voss Ag | Ocean communications connecting station - has crane hook lowerable through platform cut=outs, away from helicopter deck |
EP0046418A1 (en) * | 1980-07-09 | 1982-02-24 | COYNE ET BELLIER Bureau d'Ingénieurs Conseils | Anchoring method and foundation device for a platform, especially a mobile one |
US4474509A (en) * | 1978-02-03 | 1984-10-02 | Antes Ronald E | Method of erecting a marine structure utilizing a removable watertight plug assembly |
US4692065A (en) * | 1984-04-23 | 1987-09-08 | Takenaka Komuten Co., Ltd. | Offshore unit structure |
US4693637A (en) * | 1984-12-20 | 1987-09-15 | Takenaka Komuten Co., Ltd. | Gravity type oceanic structure and its stable installation |
US5061122A (en) * | 1990-09-06 | 1991-10-29 | Nigel Chattey | Method of constructing a man-made sea defense system in the open ocean |
US5224962A (en) * | 1991-06-18 | 1993-07-06 | Norwegian Contractors A.S. | Method and apparatus for submersion and installation of fundament structures on the sea bottom |
US5269632A (en) * | 1992-10-22 | 1993-12-14 | Shell Oil Company | Method for strengthening the structural base of offshore structures |
US5275511A (en) * | 1992-10-22 | 1994-01-04 | Shell Oil Company | Method for installation of piles in offshore locations |
US5277519A (en) * | 1992-10-22 | 1994-01-11 | Shell Oil Company | Well drilling cuttings disposal |
US5284513A (en) * | 1992-10-22 | 1994-02-08 | Shell Oil Co | Cement slurry and cement compositions |
US5285679A (en) * | 1992-10-22 | 1994-02-15 | Shell Oil Company | Quantification of blast furnace slag in a slurry |
US5301754A (en) * | 1992-10-22 | 1994-04-12 | Shell Oil Company | Wellbore cementing with ionomer-blast furnace slag system |
US5301752A (en) * | 1992-10-22 | 1994-04-12 | Shell Oil Company | Drilling and cementing with phosphate-blast furnace slag |
US5307876A (en) * | 1992-10-22 | 1994-05-03 | Shell Oil Company | Method to cement a wellbore in the presence of carbon dioxide |
US5307877A (en) * | 1992-10-22 | 1994-05-03 | Shell Oil Company | Wellbore sealing with two-component ionomeric system |
US5309999A (en) * | 1992-10-22 | 1994-05-10 | Shell Oil Company | Cement slurry composition and method to cement wellbore casings in salt formations |
US5309997A (en) * | 1992-10-22 | 1994-05-10 | Shell Oil Company | Well fluid for in-situ borehole repair |
US5311945A (en) * | 1992-10-22 | 1994-05-17 | Shell Oil Company | Drilling and cementing with phosphate |
US5314031A (en) * | 1992-10-22 | 1994-05-24 | Shell Oil Company | Directional drilling plug |
US5314022A (en) * | 1992-10-22 | 1994-05-24 | Shell Oil Company | Dilution of drilling fluid in forming cement slurries |
US5322124A (en) * | 1992-10-22 | 1994-06-21 | Shell Oil Company | Squeeze cementing |
US5332040A (en) * | 1992-10-22 | 1994-07-26 | Shell Oil Company | Process to cement a casing in a wellbore |
US5343950A (en) * | 1992-10-22 | 1994-09-06 | Shell Oil Company | Drilling and cementing extended reach boreholes |
US5343947A (en) * | 1992-10-22 | 1994-09-06 | Shell Oil Company | Anchor plug for open hole test tools |
US5343951A (en) * | 1992-10-22 | 1994-09-06 | Shell Oil Company | Drilling and cementing slim hole wells |
US5343952A (en) * | 1992-10-22 | 1994-09-06 | Shell Oil Company | Cement plug for well abandonment |
US5351759A (en) * | 1992-10-22 | 1994-10-04 | Shell Oil Company | Slag-cement displacement by direct fluid contact |
US5358049A (en) * | 1992-10-22 | 1994-10-25 | Shell Oil Company | Conversion of emulsion mud to cement |
US5379843A (en) * | 1992-10-22 | 1995-01-10 | Shell Oil Company | Side-tracking cement plug |
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US5803659A (en) * | 1995-12-08 | 1998-09-08 | Chattey; Nigel | Modular caissons for use in constructing, expanding and modernizing ports and harbors. |
FR2798683A1 (en) * | 1999-09-17 | 2001-03-23 | Doris Engineering | Installation of petroleum production platform is carried out by loading onto transport ship such that weights of platform substructure and bridge are each separately supported |
US20060051164A1 (en) * | 2004-09-07 | 2006-03-09 | Offshore Technology Development Pte Ltd | Jackup oil rig and similar platforms |
US9574316B2 (en) * | 2015-04-02 | 2017-02-21 | Korea Institute Of Ocean Science & Technology | Suction foundation having enhanced self-weight penetration and construction method thereof |
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US3263641A (en) * | 1964-09-15 | 1966-08-02 | Robert F Patterson | Anchoring structure |
US3389671A (en) * | 1967-01-03 | 1968-06-25 | Oscar A. Yost | Floating assembly for off-shore drilling, mining or fishing platform |
US3793842A (en) * | 1971-03-05 | 1974-02-26 | Sea Tank Co | Self-stabilizing submarine tank |
US3755932A (en) * | 1971-06-23 | 1973-09-04 | N Cargile | Jack-up dredge |
US3886753A (en) * | 1972-04-04 | 1975-06-03 | Jal Nariman Birdy | Submersible structures |
US3911687A (en) * | 1972-05-02 | 1975-10-14 | Olav Mo | Foundation method for caissons |
US3928982A (en) * | 1973-03-05 | 1975-12-30 | Sea Tank Co | Method and device for a foundation by depression in an aquatic site |
US3999395A (en) * | 1973-04-26 | 1976-12-28 | Ab Vattenbyggnadsbyran | Support arrangement for a construction |
DE2605392A1 (en) * | 1975-02-11 | 1976-08-19 | Garcia Cardena Don Pedro | OCEAN DRILLING AND FARMING ISLAND |
US4060995A (en) * | 1975-03-26 | 1977-12-06 | Sea Tank Co. S.A. | Immersion of an offshore weight-structure having two compartments |
US3991824A (en) * | 1975-11-20 | 1976-11-16 | Atlantic Richfield Company | Offshore well drilling, completion and production |
US4069681A (en) * | 1976-02-02 | 1978-01-24 | Texaco Inc. | Offshore structure for deltaic substrates |
US4155674A (en) * | 1976-08-17 | 1979-05-22 | Compagnie Francaise D'entreprises Metalliques | Offshore platforms |
US4474509A (en) * | 1978-02-03 | 1984-10-02 | Antes Ronald E | Method of erecting a marine structure utilizing a removable watertight plug assembly |
DE2924576A1 (en) * | 1979-06-19 | 1981-01-15 | Blohm Voss Ag | Ocean communications connecting station - has crane hook lowerable through platform cut=outs, away from helicopter deck |
EP0046418A1 (en) * | 1980-07-09 | 1982-02-24 | COYNE ET BELLIER Bureau d'Ingénieurs Conseils | Anchoring method and foundation device for a platform, especially a mobile one |
US4692065A (en) * | 1984-04-23 | 1987-09-08 | Takenaka Komuten Co., Ltd. | Offshore unit structure |
US4693637A (en) * | 1984-12-20 | 1987-09-15 | Takenaka Komuten Co., Ltd. | Gravity type oceanic structure and its stable installation |
US5423379A (en) * | 1989-12-27 | 1995-06-13 | Shell Oil Company | Solidification of water based muds |
US5673753A (en) * | 1989-12-27 | 1997-10-07 | Shell Oil Company | Solidification of water based muds |
US5061122A (en) * | 1990-09-06 | 1991-10-29 | Nigel Chattey | Method of constructing a man-made sea defense system in the open ocean |
US5224962A (en) * | 1991-06-18 | 1993-07-06 | Norwegian Contractors A.S. | Method and apparatus for submersion and installation of fundament structures on the sea bottom |
US5285679A (en) * | 1992-10-22 | 1994-02-15 | Shell Oil Company | Quantification of blast furnace slag in a slurry |
US5332040A (en) * | 1992-10-22 | 1994-07-26 | Shell Oil Company | Process to cement a casing in a wellbore |
US5277519A (en) * | 1992-10-22 | 1994-01-11 | Shell Oil Company | Well drilling cuttings disposal |
US5284513A (en) * | 1992-10-22 | 1994-02-08 | Shell Oil Co | Cement slurry and cement compositions |
US5269632A (en) * | 1992-10-22 | 1993-12-14 | Shell Oil Company | Method for strengthening the structural base of offshore structures |
US5301754A (en) * | 1992-10-22 | 1994-04-12 | Shell Oil Company | Wellbore cementing with ionomer-blast furnace slag system |
US5301752A (en) * | 1992-10-22 | 1994-04-12 | Shell Oil Company | Drilling and cementing with phosphate-blast furnace slag |
US5307876A (en) * | 1992-10-22 | 1994-05-03 | Shell Oil Company | Method to cement a wellbore in the presence of carbon dioxide |
US5307877A (en) * | 1992-10-22 | 1994-05-03 | Shell Oil Company | Wellbore sealing with two-component ionomeric system |
US5309999A (en) * | 1992-10-22 | 1994-05-10 | Shell Oil Company | Cement slurry composition and method to cement wellbore casings in salt formations |
US5309997A (en) * | 1992-10-22 | 1994-05-10 | Shell Oil Company | Well fluid for in-situ borehole repair |
US5311945A (en) * | 1992-10-22 | 1994-05-17 | Shell Oil Company | Drilling and cementing with phosphate |
US5314031A (en) * | 1992-10-22 | 1994-05-24 | Shell Oil Company | Directional drilling plug |
US5314022A (en) * | 1992-10-22 | 1994-05-24 | Shell Oil Company | Dilution of drilling fluid in forming cement slurries |
US5322124A (en) * | 1992-10-22 | 1994-06-21 | Shell Oil Company | Squeeze cementing |
US5275511A (en) * | 1992-10-22 | 1994-01-04 | Shell Oil Company | Method for installation of piles in offshore locations |
US5343950A (en) * | 1992-10-22 | 1994-09-06 | Shell Oil Company | Drilling and cementing extended reach boreholes |
US5343947A (en) * | 1992-10-22 | 1994-09-06 | Shell Oil Company | Anchor plug for open hole test tools |
US5343951A (en) * | 1992-10-22 | 1994-09-06 | Shell Oil Company | Drilling and cementing slim hole wells |
US5343952A (en) * | 1992-10-22 | 1994-09-06 | Shell Oil Company | Cement plug for well abandonment |
US5351759A (en) * | 1992-10-22 | 1994-10-04 | Shell Oil Company | Slag-cement displacement by direct fluid contact |
US5358049A (en) * | 1992-10-22 | 1994-10-25 | Shell Oil Company | Conversion of emulsion mud to cement |
US5379843A (en) * | 1992-10-22 | 1995-01-10 | Shell Oil Company | Side-tracking cement plug |
US5803659A (en) * | 1995-12-08 | 1998-09-08 | Chattey; Nigel | Modular caissons for use in constructing, expanding and modernizing ports and harbors. |
US6017167A (en) * | 1995-12-08 | 2000-01-25 | Chattey; Nigel | Modular caissons for use in constructing, expanding and modernizing ports and harbors |
US6234714B1 (en) | 1995-12-08 | 2001-05-22 | Nigel Chattey | Pier and wharf structures having means for directly transferring cargo between two vessels or between a vessel and railcars |
FR2744149A1 (en) * | 1996-01-30 | 1997-08-01 | Elf Aquitaine | Floating platform for oil industry with support and deck |
FR2798683A1 (en) * | 1999-09-17 | 2001-03-23 | Doris Engineering | Installation of petroleum production platform is carried out by loading onto transport ship such that weights of platform substructure and bridge are each separately supported |
US20060051164A1 (en) * | 2004-09-07 | 2006-03-09 | Offshore Technology Development Pte Ltd | Jackup oil rig and similar platforms |
US20070243024A1 (en) * | 2004-09-07 | 2007-10-18 | Offshore Technology Development Pte Ltd | Jackup Oil Rig And Similar Platforms |
US7850398B2 (en) * | 2004-09-07 | 2010-12-14 | Offshore Technology Development Pte Ltd | Jackup oil rig and similar platforms |
US9574316B2 (en) * | 2015-04-02 | 2017-02-21 | Korea Institute Of Ocean Science & Technology | Suction foundation having enhanced self-weight penetration and construction method thereof |
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