[특허]Offshore buoyant drilling, production, storage and offloading structure

[미국특허] Offshore buoyant drilling, production, storage and offloading structure 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B63B-021/00
출원번호	US-0914709 (2010-10-28)
등록번호	US-8251003 (2012-08-28)
발명자 / 주소	Vandenworm, Nicolaas J.
출원인 / 주소	SSP Technologies, Inc.
대리인 / 주소	Bush, Gary L.
인용정보	피인용 횟수 : 14 인용 특허 : 20

초록 ▼

An offshore structure having a vertically symmetric hull, an upper vertical wall, an upper inwardly-tapered wall disposed below the upper vertical wall, a lower outwardly-tapered wall disposed below the upper sloped wall, and a lower vertical wall disposed below the lower sloped wall. The upper and lower sloped walls produce significant heave damping in response to heavy wave action. A heavy slurry of hematite and water ballast is added to the lower and outermost portions of the hull to lower the center of gravity below the center of buoyancy. The offshore structure provides one or more movable hawser connections that allow a tanker vessel to moor directly to the offshore structure during offloading rather than mooring to a separate buoy at some distance from the offshore storage structure. The movable hawser connection includes an arcuate rail with a movable trolley that provides a hawser connection point that allows vessel weathervaning.

대표청구항 ▼

1. A buoyant structure (10) for petroleum drilling, production, storage and offloading, comprising: a hull (12) defining a vertical axis (100) whereby said hull (12) is characterized by circular horizontal cross-sections at all elevations, said hull characterized by an upper cylindrical portion (12b), an upper frustoconical portion (12c) directly connected to the bottom of said upper cylindrical portion (12b) so as to have inward-sloping walls at a first angle (α) with respect to said vertical axis (100) between 10 and 15 degrees, a lower frustoconical portion (12d) disposed below said upper frustoconical portion (12c) and having outward-sloping walls at a second angle (γ) with respect to said vertical axis (100) between 55 and 65 degrees, a lower cylindrical portion (12e) directly connected to the bottom of said lower frustoconical portion (12d); a planar horizontal keel (12f) defining a lower hull diameter D1, and a generally horizontal main deck (12a);wherein said upper vertical wall section (12b) defines an upper hull diameter (D2), said upper tapered wall section (12c) abuts said lower tapered wall section (12d) at a hull neck diameter (D3), the height (h) of said hull (12), defined from said keel (12f) to said main deck (12a), is less than said hull neck diameter (D3), said lower hull diameter (D1) is the largest diameter of said hull, said hull neck diameter (D3) is the smallest diameter (D3) of said hull, said hull neck diameter (D3) is between 75 and 90 percent of said upper hull diameter (D2), and said lower hull diameter (D1) is between 115 and 130 percent of said upper hull diameter (D2); andwherein said structure (10) defines a center of gravity and a center of buoyancy, said center of gravity located below said center of buoyancy.

이 특허에 인용된 특허 (20) 인용/피인용 타임라인 분석

Lindstrom ; Karl Olof, Anchorable, floating platform.
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Gerwick ; Jr. Ben G. (San Francisco CA), Arctic caisson.
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Cioceanu,Nicu, Bearing assembly for downhole mud motor.
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Srinivasan, Nagan, Column-stabilized floating structure with telescopic keel tank for offshore applications and method of installation.
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Amin, Rajnikant M.; O'Sullivan, James F.; Gray, David A., Control wellhead buoy.
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Oma, Narve; Hild?n, Tor Erik; Helgoy, Kjell Egil; Egge, Trygve G., Crude oil transportation system.
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Blair, Paris E.; Ficken, Joseph L.; Richards, Daniel J., Downhole mud motor.
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Haun,Richard D., Floating berth system and method.
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Masetti,Isaias Quaresma; Costa,Ana Paula dos Santos; Nishimoto,Kazuo, Floating structure.
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Edward Huang ; Bambang A. Sarwono ; Thomas W. Clapp, Floating vessel for deep water drilling and production.
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Karl H. Runge ; George F. Davenport, Method for constructing an offshore platform.
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Hampton James E. (c/o Hampco ; Wood International Centre Aberdeen GB6 ABL 4AG), Mooring system.
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Srinivasan, Nagan, Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications.
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White Geoff C. (Middlesex TX GB2) Manoudakis Costas P. (Houston TX), Offshore mooring/loading system.
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Smedal, Arne; Syvertsen, K?re, Offshore platform for drilling after or production of hydrocarbons.
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Quenan Gary O. (Houston TX) Hull Tommy Lee (Sugar Land TX), Offshore support structure method and apparatus.
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Haun, Richard David, SCR top connector.
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Haun, Richard David, Satellite separator platform(SSP).
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Tommy Lee Hull, Support structure for wells, production facilities, and drilling rigs.
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Steven M. Byle, Tendon-based floating structure.
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이 특허를 인용한 특허 (14) 인용/피인용 타임라인 분석

Vandenworm, Nicolaas Johannes, Buoyant structure with a plurality of columns and fins.
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Vandenworm, Nicolaas Johannes, Buoyant structure with frame and keel section.
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Vandenworm, Nicolaas Johannes, Buoyant structure with frame and keel section.
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Vandenworm, Nicolaas Johannes, Buoyant structure with offloading device.
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Vandenworm, Nicolaas Johannes, Floating driller.
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Shilling, III, Roy B.; White, Charles N.; Day, Howard W.F., Floating oil and gas facility with a movable wellbay assembly.
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Vandenworm, Nicolaas Johannes, Floating vessel.
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Vandenworm, Nicolaas J., Method for drilling with a buoyant structure for petroleum drilling, production, storage and offloading.
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Vandenworm, Nicolaas Johannes; Beck, III, John William, Method for operating floating driller.
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Vandenworm, Nicolaas Johannes, Method using a floatable offshore depot.
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Vandenworm, Nicolaas J., Offshore buoyant drilling, production, storage and offloading structure.
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Vandenworm, Nicolaas J., Offshore buoyant drilling, production, storage and offloading structure.
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Vandenworm, Nicolaas Johannes, Semisubmersible with tunnel structure.
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Mellor, Peter David Kingston, Support buoy.
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A	생활필수품
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[미국특허] Offshore buoyant drilling, production, storage and offloading structure 원문보기