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Bs&w In Crude Oil


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#1 sri

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Posted 19 August 2008 - 09:50 AM

What is the best way to determine BS&W (Basic sediments and water) content in crude oil during custody transfer applications. The crude oil produced is comingled crude oil from different fileds.

#2 Zauberberg

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Posted 19 August 2008 - 11:01 AM

BS&W is determined using ASTM Standard D96, D4007 or the API Document "Sediment and Water", Chapter 10, Section 2, 'Determination of Water and Sediment in Crude Oil by the Centrifuge Method".

Other methods available for water in crude oil are ASTM D4377, D4928, IP386.

http://www.astm.org/...dards/D4928.htm
http://www.astm.org/...dards/D4007.htm

Here you can see the most common list of crude oil laboratory analyses (crude assay), required for transfer and downstream processing: http://www.intertek-...aytesting.shtml

BS&W are more important as economic parameter - they actually show to the customer the amount of crude feedstock which should be accounted into "losses" prior to any processing.

#3 sri

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Posted 20 August 2008 - 06:27 AM

QUOTE (Zauberberg @ Aug 19 2008, 09:31 PM) <{POST_SNAPBACK}>
BS&W is determined using ASTM Standard D96, D4007 or the API Document "Sediment and Water", Chapter 10, Section 2, 'Determination of Water and Sediment in Crude Oil by the Centrifuge Method".

Other methods available for water in crude oil are ASTM D4377, D4928, IP386.

http://www.astm.org/...dards/D4928.htm
http://www.astm.org/...dards/D4007.htm

Here you can see the most common list of crude oil laboratory analyses (crude assay), required for transfer and downstream processing: http://www.intertek-...aytesting.shtml

BS&W are more important as economic parameter - they actually show to the customer the amount of crude feedstock which should be accounted into "losses" prior to any processing.


I would like to discuss about sampling methods/ auto samplers, accuracy of measurement by online meters like mass flow meters/ meters working on infra-red methods etc.




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