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Re: 1918forever post# 74925

Thursday, 08/14/2008 12:39:58 PM

Thursday, August 14, 2008 12:39:58 PM

Post# of 107353
how that yellow platform and the bend stiffener are deployed.

ADCP is like doppler radar, only for ocean currents.

Here is a diagram of how it is deployed:
http://www.rdinstruments.com/product_selection/product_selection_guide.html

In our case, the top portion will be hooked to the mudsled portion on the bottom. imo
Also read spec machines recent posts and links from his and my posts.

Edit: add link http://www.rdinstruments.com/articles/offshore_eng_0402_rdi.pdf
"In order to obtain current profiles
throughout the water column in depths
greater than 1000m, Shell Global
Solutions (US), RD Instruments and
other manufacturers developed a realtime
system which includes a rigmounted
ADCP ‘looking’ down through
the water column, and a bottom-mounted
ADCP ‘looking’ up. The rig-mounted
ADCP feeds data directly to a computer
aboard the rig. The bottom-mounted
system collects ADCP data and transmits
it to the surface in real time via an
acoustic modem." end quote
(or more recently fiber optic, see thunderhorse articles)

more
http://www.adcp.com/longranger.html

Workhorse Long Ranger ADCP.
For long-range, long-term deployments, the Long Ranger is the best choice for collecting detailed data on seasonal and annual current structure fluctuations for scientific research and offshore oil and gas applications.

The highly reliable Long Ranger delivers the precision accuracy you require, combined with the dependability of RDI's proven Workhorse products.

Hundreds of Long Ranger units are currently deployed on:
• environmental monitoring buoys
• offshore oil rigs
• polar research moorings

Need a turnkey mooring solution?
RDI has partnered with Flotation Technologies to provide you with one stop shopping.


Workhorse Long Ranger ADCP Application Notes
FUGRO GEOS rises to Thunder Horse Challenge
Image courtesy of Fugro GEOS


Highlighted Application:
Long Rangers for oil & gas applications
The Long Ranger ADCP is a key component of deep water column profiling applications. In fact, full column profiling is possible when the Long Ranger is combined with other Teledyne RDI products.

>>"Fugro GEOS Rises to Thunder Horse Challenge"; Fugro GEOS Newsletter, AQUA No. 18, 2008.
Long Ranger for oil & gas applications

>>download Offshore Engineer article (857 Kb PDF)

>>download Ocean News & Technology article (165 Kb PDF)

>>Learn about full column profiling
http://www.adcp.com/longranger.html

-hope that helps-






My posts are my opinions. Always dd to your own comfort level.





My posts are my opinions. Always dd to your own comfort level.


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