CA2426308A1 - Articulated multiple buoy marine platform apparatus and method of installing same - Google Patents

Articulated multiple buoy marine platform apparatus and method of installing same Download PDF

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Publication number
CA2426308A1
CA2426308A1 CA002426308A CA2426308A CA2426308A1 CA 2426308 A1 CA2426308 A1 CA 2426308A1 CA 002426308 A CA002426308 A CA 002426308A CA 2426308 A CA2426308 A CA 2426308A CA 2426308 A1 CA2426308 A1 CA 2426308A1
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Canada
Prior art keywords
platform
buoy
buoys
marine
marine platform
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Granted
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CA002426308A
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French (fr)
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CA2426308C (en
Inventor
Jon E. Khachaturian
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Priority claimed from US09/693,470 external-priority patent/US6425710B1/en
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Publication of CA2426308A1 publication Critical patent/CA2426308A1/en
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Publication of CA2426308C publication Critical patent/CA2426308C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B77/00—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B1/048—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with hull extending principally vertically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/107—Semi-submersibles; Small waterline area multiple hull vessels and the like, e.g. SWATH
    • 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
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/442—Spar-type semi-submersible structures, i.e. shaped as single slender, e.g. substantially cylindrical or trussed vertical bodies

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Transportation (AREA)
  • Earth Drilling (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Bridges Or Land Bridges (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)

Abstract

A marine platform 17 (and method of installation) provides a plurality of buoys 13-16, a platform 17 having a peripheral portion that includes a plurality of attachment positions 27, one attachment position for each buoy, and a connection 24,27 that connects each buoy to the platform at a respecti ve attachment position 27, the connection 24,27 allowing for sea state induced buoy motions while minimizing effect on the platform 17. Each connection 24, 27 can provide first and second portions 65,66 (or devices) and a load transfer mechanism that transfers load from the first portion 65 to the second portio n 66 so that one of the portions (or devices) can be serviced. In an alternati ve embodiment a method of installation places the platform 17 (including oil an d gas drilling and/or production facility next to the buoys 13-16. Ballasting moves the platform 17 and buoys 13-16 relative to one another until connections 24,27 are perfected between each buoy 13-16 and the platform 17.

Claims (106)

1. A marine platform, comprising:
a) a plurality of buoys;
b) a platform having an oil and gas well producing facility and a peripheral portion that includes a plurality of connecting positions, one connecting position for each buoy; and c) an articulating connection that connects each buoy to the platform at a respective connecting position, the plurality of articulating connections allowing for buoy motions induced by sea movement while reducing sea movement effect on the platform.
2. The marine platform of claim 1 further comprising a mooring extending from a plurality of the buoys for holding the platform and buoys to a desired location.
3. The marine platform of claim 1 wherein the articulating connections are universal joints.
4. The marine platform of claim 1 wherein each of the articulating connections includes correspondingly concave and convex engaging portions.
5. The marine platform of claim 4 wherein the buoy has a convex articulating portion and the platform has a concave articulating portion.
6. The marine platform of claim 4 wherein the buoy has a concave articulating portion and the platform has a convex articulating portion.
7. The marine platform of claim 1 wherein each buoy has a height and a diameter, the height being greater than the diameter.
8. The marine platform of claim 1 wherein there are at least three buoys and at least three attachment positions.
9. The marine platform of claim 1 wherein there are at least four buoys and at least four attachment positions.
10. The marine platform of claim 1 wherein there are between 3 and 8 attachment positions.
11. The marine platform of claim 1 wherein the platform is comprised of a trussed deck.
12. The marine platform of claim 1 wherein the trussed deck has lower horizontal members, upper horizontal members, and a plurality of inclined members spanning between the upper and lower horizontal members, and wherein the attachment positions are next to the lower horizontal members.
13. The marine platform of claim 1 wherein each buoy is between 100 and 500 feet in height.
14. The marine platform of claim 1 wherein each buoy is between about 25 and 100 feet in diameter.
15. The marine platform of claim 1 wherein each buoy has a generally uniform diameter over a majority of its length.
16. The marine platform of claim 1 wherein each buoy has an upper end portion that is generally cylindrically shaped.
17. The marine platform of claim 1 wherein the articulated connection is a hemispherically shaped upper end of each buoy and a correspondingly shaped concave receptacle on the platform that fits each hemispherically shaped upper end.
18. The marine platform of claim 1 wherein the buoys support a platform that weighs between 500,000 and 105,000,000 kilograms.
19. A marine platform, comprising:
a) a plurality of buoys;
b) a platform having an oil and gas well producing facility weighing between 500,000 kilograms and 105,000,000 kilograms and a peripheral portion that includes a plurality of connecting positions, one connecting position for each buoy; and c) an articulating connection that connects each buoy to the platform at a respective connecting position, the plurality of articulating connections allowing for buoy motions induced by sea movement while reducing sea movement effect on the platform.
20. The marine platform of claim 18 further comprising a mooring extending from a plurality of the buoys for holding the platform and buoys to a desired location.
21. The marine platform of claim 19 wherein the articulating connections are universal joints.
22. The marine platform of claim 19 wherein each of the articulating connections includes correspondingly concave and convex engaging portions.
23. The marine platform of claim 19 wherein the buoy has a convex articulating portion and the platform has a concave articulating portion.
24. The marine platform of claim 19 wherein the buoy has a concave articulating portion and the platform has a convex articulating portion.
25. The marine platform of claim 19 wherein each buoy has a height and a diameter, the height being greater than the diameter.
26. The marine platform of claim 19 wherein there are at least three buoys and at least three attachment positions.
27. The marine platform of claim 19 wherein there are at least four buoys and at least four attachment positions.
28. The marine platform of claim 19 wherein the platform is comprised of a trussed deck.
29. The marine platform of claim 19 wherein the trussed deck has lower horizontal members, upper horizontal members, and a plurality of inclined members spanning between the upper and lower horizontal members, and wherein the attachment positions are next to the lower horizontal members.
30. The marine platform of claim 19 wherein each buoy is between 30 and 155 meters in height.
31. The marine platform of claim 19 wherein each buoy is between about 5 and 35 meters in diameter.
32. The marine platform of claim 19 wherein each buoy has a generally uniform diameter over a majority of its length.
33. The marine platform of claim 19 wherein each buoy has an upper end portion that is generally cylindrically shaped.
34. The marine platform of claim 19 wherein the articulated connection is a hemispherically shaped upper end of each buoy and a correspondingly shaped concave receptacle on the platform that fits each hemispherically shaped upper end.
35. A marine platform, comprising:
a) a plurality of buoys;
b) a platform having an oil and gas well producing facility and a peripheral portion that includes a plurality of connecting positions, one connecting position for each buoy; and c) a connection that connects each buoy to the platform at a respective connecting positions, the plurality of connections allowing for buoy motions induced by sea movement while reducing sea movement effect on the platform; and d) the connection including first and second connection devices that enable removal of one of the connection devices for servicing, the other device connecting the buoy to the platform during such servicing.
36. The marine platform of claim 35 further comprising a mooring extending from a plurality of the buoys for holding the platform and buoys to a desired location.
37. The marine platform of claim 35 wherein the connections include universal joints.
38. The marine platform of claim 35 wherein each of the devices is a universal joint.
39. The marine platform of claim 35 wherein the devices include an internal device and an external device.
40. The marine platform of claim 35 wherein the devices include an internal universal joint and an external universal joint.
41. The marine platform of claim 35 wherein each buoy has a height and a diameter, the height being greater than the diameter.
42. The marine platform of claim 35 wherein there are at least three buoys and at least three attachment positions.
43. The marine platform of claim 35 wherein there are at least four buoys and at least four attachment positions.
44. The marine platform of claim 35 wherein there are between 3 and 8 attachment positions.
45. The marine platform of claim 35 wherein the platform is comprised of a trussed deck.
46. The marine platform of claim 35 wherein the trussed deck has lower horizontal members, upper horizontal members, and a plurality of inclined members spanning between the upper and lower horizontal members.
47. The marine platform of claim 35 wherein each buoy is between 30 and 155 meters in height.
48. The marine platform of claim 35 wherein each buoy is between about 5 and 35 meters in diameter.
49. The marine platform of claim 35 wherein each buoy has a generally uniform diameter over a majority of its length.
50. The marine platform of claim 35 wherein each buoy has an upper end portion that is generally cylindrically shaped.
51. The marine platform of claim 35 further comprising a device load transfer mechanism, wherein one of the devices can be loaded with the load transfer mechanism so that the other device is unloaded.
52. The marine platform of claim 35 wherein the buoys support a platform that weighs between 500,000 and 105,000,000 kilograms.
53. A marine platform, comprising:
a) a plurality of buoys;
b) a platform having an oil and gas well producing facility weighing between 500,000 kilograms and 105,000,000 kilograms and a peripheral portion that includes a plurality of connecting positions, one connecting position for each buoy; and c) a connection that connects each buoy to the platform at a respective connecting position, the plurality of connections allowing for buoy motions induced by sea movement while reducing sea movement effect on the platform;
d) the connection between each buoy and the platform including first and second articulating devices and a load transfer mechanism that enables at least some of the platform load to be transferred from one device to the other device.
54. The marine platform of claim 53 further comprising a mooring extending from a plurality of the buoys for holding the platform and buoys to a desired location.
55. The marine platform of claim 53 wherein the connection devices are universal joints.
56. The marine platform of claim 53 wherein each of the connections includes an inner device surrounded by an external device.
57. The marine platform of claim 56 wherein the inner device is an articulating portion.
58. The marine platform of claim 53 wherein the outer device is an articulating portion.
59. The marine platform of claim 53 wherein each buoy has a height and a diameter, the height being greater than the diameter.
60. The marine platform of claim 53 wherein there are at least three buoys and at least three attachment positions.
61. The marine platform of claim 53 wherein there are at least four buoys and at least four attachment positions.
62. The marine platform of claim 53 wherein the platform is comprised of a trussed deck.
63. The marine platform of claim 53 wherein the trussed deck has lower horizontal members, upper horizontal members, and a plurality of inclined members spanning between the upper and lower horizontal members.
64. The marine platform of claim 53 wherein each buoy is between 30 and 155 meters in height.
65. The marine platform of claim 53 wherein each buoy is between about 5 and 35 meters in diameter.
66. The marine platform of claim 53 wherein each buoy has a generally uniform diameter over a majority of its length.
67. A marine platform, comprising:
a) a plurality of buoys;
b) a platform having an oil and gas well producing facility and a peripheral portion that includes a plurality of connecting positions, one connecting position for each buoy; and c) a connection that connects each buoy to the platform at a respective connecting positions, the plurality of connections allowing for buoy motions induced by sea movement while reducing sea movement effect on the platform; and d) the connection having means for enabling a transfer of at least a portion of the platform load from a first portion of the connection to a second portion of the connection.
68. The marine platform of claim 67 wherein the means for enabling includes a first connection device, a second connection device and a mechanism that transfers load between the first and second devices.
69. The marine platform of claim 68 wherein the first connection device is a universal joint.
70. The marine platform of claim 68 wherein the first connection device is an articulating connection device.
71. The marine platform of claim 68 wherein the second connection device is a universal joint.
72. The marine platform of claim 68 wherein the second connection device is an articulating connection device.
73. The marine platform of claim 67 wherein the connections include universal joints.
74. The marine platform of claim 67 wherein each buoy is between 100 and 500 feet in height.
75. The marine platform of claim 67 wherein each buoy is between about 25 and 100 feet in diameter.
76. The marine platform of claim 73 wherein the universal joints each have multiple pins with central longitudinal axes, the central axes of the pins of both universal joints occupying a common plane during use.
77. A method of installing an oil and gas well drilling or production platform in an offshore deep water marine environment, comprising the steps of:
a) placing a plurality of buoys;
b) floating a platform in the marine environment having an oil and gas well drilling or production facility to the location of the buoys, the platform including a peripheral portion that includes a plurality of connecting positions, one connecting position for each buoy; and c) ballasting the platform and buoys relative to one another until each buoy connects with the platform and substantially all of the weight of the platform is supported by the buoys.
78. The method of claim 77 further comprising the step of making articulating connections that connect each buoy to the platform at respective connecting positions, the plurality of articulating connections allowing for buoy motions induced by sea movement while reducing sea movement effect on the platform.
79. The method of claim 77 further comprising the step of mooring each buoy with an anchor line.
80. The method of claim 77 wherein each of the articulating connections includes correspondingly concave and convex engaging portions.
81. The marine platform of claim 77 wherein the buoy has a convex articulating portion and the platform has a concave articulating portion and in step "c" the barge and buoys are ballasted until concave and convex portions engage for each buoy and the platform.
82. The marine platform of claim 78 wherein the buoy has a concave articulating portion and the platform has a convex articulating portion.
83. The method of claim 77 wherein each buoy has a height and a diameter, the height being greater than the diameter, and further comprising the step of positioning the barge in between at least two buoys.
84. The method of claim 77 wherein there are at least three buoys and at least three attachment positions.
85. The method of claim 77 wherein there are at least four buoys.
86. The method of claim 77 wherein the platform is comprised of a trussed deck and wherein steps "b" and "c" include connecting each buoy to the trussed deck.
87. The method of claim 77 further comprising the steps of providing a single spar and transferring the platform from the buoys to the single spar.
88. A method of installing an oil and gas well production platform in an offshore deep water marine environment, comprising the steps of:
a) floating a multi-ton package to a selected offshore location, the package having a plurality of connectors and wherein the connectors are preliminarily positioned at a higher elevational position;
b) positioning a plurality of floating buoys at a selected offshore location, each buoy having a buoy connector portion at its upper end;
c) preliminarily positioning the buoy connectors at a selected elevational position;
d) ballasting the floating package and buoys relative to one another so that the package connectors and the buoy connectors engage to define a plurality of articulating connections and where substantially all of the weight of the platform is supported by the buoys.
89. The method of claim 88 wherein step "a" comprises floating a multi-ton package to a selected offshore location, the package having an oil and gas well drilling facility thereon and a plurality of connectors, and wherein the connectors are preliminarily positioned at a higher elevational position.
90. The method of claim 88 wherein in step "d", the floating package is ballasted from a higher elevational position to a lower elevational position that engages the connectors of the package with the buoy connectors.
91. The method of claim 88 wherein in step "d" the buoys are ballasted from a lower position to a higher position that engages the plurality of package connectors and plurality of buoy connectors.
92. The method of claim 88 wherein in step "a" there is provided a barge having a deck that supports the mufti-ton package and step "a" includes floating the multi-ton package and barge to a selected offshore location.
93. The method of claim 88 wherein in step "d", the articulating connections each include correspondingly shaped concave and convex portions.
94. The method of claim 88 wherein the articulating connections include universal joint connections.
95. The method of claim 88 wherein in steps "a" through "c", the floating package is positioned in between first and second pairs of the buoys.
96. The method of claim 88 wherein steps "a" through "c" include positioning the package in between first and second pairs of the buoys and wherein the buoys have submerged portions that do not make contact with the floating package.
97. A method of installing an oil and gas well production platform in an offshore deep water marine environment, comprising the steps of:
a) floating a multi-ton package to a selected offshore location, the package having a plurality of connectors and wherein the connectors are preliminarily positioned at a higher elevational position;
b) positioning a plurality of floating buoys at a selected offshore location, each buoy having a buoy connector portion at its upper end;
c) preliminarily positioning the buoy connectors at a selected elevational position;
d) ballasting the floating package and buoys relative to one another so that the package connectors and the buoy connectors engage to define a plurality of articulating connectors, including at least one articulating connector for each floating buoy.
98. The method of claim 97 further comprising the steps of providing a single spar and transferring the platform from the buoys to the single spar.
99. The method of claim 98 further comprising the step of ballasting the buoys and spar relative to one another during the transfer.
100. The method of claim 97 further comprising the step of making articulating connections that connect each buoy to the platform at respective connecting positions, the plurality of articulating connections allowing for buoy motions induced by sea movement while reducing sea movement effect on the platform.
101. The method of claim 97 wherein each of the articulating connections includes correspondingly concave and convex engaging portions.
102. The marine platform of claim 97 wherein the buoy has a convex articulating portion and the platform has a concave articulating portion and in step "c" the barge and buoys are ballasted until concave and convex portions engage for each buoy and the platform.
103. The marine platform of claim 97 wherein the buoy has a concave articulating portion and the platform has a convex articulating portion.
104. The method of claim 97 wherein each buoy has a height and a diameter, the height being greater than the diameter, and further comprising the step of positioning the barge in between at least two buoys.
105. The method of claim 97 wherein the platform is comprised of a trussed deck and wherein steps "b" and "c" include connecting each buoy to the trussed deck.
106. A method of installing an oil and gas well production platform in an offshore deep water marine environment, comprising the steps of a) floating a multi-ton package to a selected offshore location, the package having a plurality of connectors and wherein the connectors are preliminarily positioned at a higher elevational position;
b) positioning a plurality of floating buoys at a selected offshore location, each buoy having a buoy connector portion at its upper end;
c) preliminarily positioning the buoy connectors at a selected elevational position;
d) positioning a floating spar next to the combination of buoys and multi-ton package; and e) transferring the package from the buoys to the spar by laterally moving the spar relative to the combination of buoys and package until they are generally vertically aligned and then lowering the package to the spar.
CA2426308A 2000-10-20 2001-09-07 Articulated multiple buoy marine platform apparatus and method of installing same Expired - Fee Related CA2426308C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US09/693,470 US6425710B1 (en) 2000-06-21 2000-10-20 Articulated multiple buoy marine platform apparatus
US09/693,470 2000-10-20
US09/704,998 US6435773B1 (en) 2000-06-21 2000-11-02 Articulated multiple buoy marine platform apparatus and method of installation
US09/704,998 2000-11-02
US09/727,343 US6435774B1 (en) 2000-06-21 2000-11-29 Articulated multiple buoy marine platform apparatus
US09/727,343 2000-11-29
PCT/US2001/028098 WO2002035014A1 (en) 2000-10-20 2001-09-07 Articulated multiple buoy marine platform apparatus and method of installing same

Publications (2)

Publication Number Publication Date
CA2426308A1 true CA2426308A1 (en) 2002-05-02
CA2426308C CA2426308C (en) 2011-08-09

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ID=27418579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2426308A Expired - Fee Related CA2426308C (en) 2000-10-20 2001-09-07 Articulated multiple buoy marine platform apparatus and method of installing same

Country Status (7)

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EP (1) EP1332260B1 (en)
AU (2) AU8889701A (en)
BR (1) BR0114997A (en)
CA (1) CA2426308C (en)
MX (1) MXPA03003496A (en)
NO (1) NO334995B1 (en)
WO (1) WO2002035014A1 (en)

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US6719495B2 (en) 2000-06-21 2004-04-13 Jon E. Khachaturian Articulated multiple buoy marine platform apparatus and method of installation
US6425710B1 (en) 2000-06-21 2002-07-30 Jon Khachaturian Articulated multiple buoy marine platform apparatus
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NO342731B1 (en) * 2017-02-02 2018-08-06 Flexible Floating System As Frame structure for a floating installation

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Publication number Publication date
WO2002035014A1 (en) 2002-05-02
NO334995B1 (en) 2014-08-18
CA2426308C (en) 2011-08-09
NO20031783L (en) 2003-06-19
MXPA03003496A (en) 2005-01-25
NO20031783D0 (en) 2003-04-22
BR0114997A (en) 2004-02-17
EP1332260A4 (en) 2006-10-04
EP1332260B1 (en) 2011-02-23
AU8889701A (en) 2002-05-06
AU2001288897B2 (en) 2006-11-16
EP1332260A1 (en) 2003-08-06

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