Press Esc to close

WorldOil

CONTENT PREVIEW

For full content view: Log in Now!

  • Evaluation of hybrid riser towers as deepwater drill centers


    J. F. Saint-Marcoux and R. D. Blevins

    As water depth increases, the risers’ loads on an oil-producing Floating Processing Unit (FPU) increase. Hybrid Riser Towers (HRTs) have been proposed to alleviate this issue for FPSOs and semisubmersibles. They generally fall into two main categories: monobore and multibore. ExxonMobil’s Kizomba Field in West Africa is an example of a monobore HRT. Total’s Girassol and Rosa Fields and BP’s Greater Plutonio development are examples of multibore HRTs. Both single-bore and multibore systems are effective. Nevertheless, improvements are necessary. In deep water, riser hydrodynamic interference becomes a problem, especially for monobore HRTs. For single-line risers or riser bundles sharing parallel paths in a cross current, the upstream riser or bundle influences the movement of the downstream riser or bundle beyond previously acknowledged distances, thereby making riser interference more acute for single-bore HRTs. Large multibore HRTs servicing large fields may lack the flexibility required by the operating company.

This area of the site is restricted. In order to gain access, please either Log In, or subscribe to World Oil.

Two options are available to you for creating an account.

1. Get a Free Trial Subscription to World Oil Magazine and gain immediate access to select content on World Oil Online.

Start a Free Trial Subscription and gain immediate access to the complete current issue of World Oil Magazine. Plus, you’ll receive 3 upcoming issues of World Oil Magazine in print or digital format.* You also receive access to the Energy Events Calendar, Industry Statistics and WO Wire’s news and industry coverage.

Free Trial


2. Purchase a subscription to World Oil magazine and gain immediate and complete access to World Oil Online. As a Total Access subscriber you will have access to all areas of the site available to registered users and free subscribers as well as having access to such premium content areas as:

  • The Archives section containing over ten years of complete magazine archives,
  • The WO DataHub's engineering tables and directories,
  • The World Oil annual forecasts, including past predictions,
  • Select World Oil technical handbooks,
  • And much, much more!

Subscribe


Physical copies of this content may be available for purchase. Visit the Reprints & Back Issues section.


If you are already a paid subscriber and do not have access, please email CustomerService@worldoil.com.

WO DATA HUB

EngineeringTablesIcon-Large

Engineering Data Tables

World Oil's specialized upstream Engineering Data Tables featuring the Drill Bit Classifier, Tubing Tables and more. Get Total Access today.

WO SUPPLEMENTS

2013 Fracturing Technology

2013 Fracturing Technology

ENERGY EVENTS

Upcoming Events