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	<title>Surface Production Facility &#187; Two Phase Oil and Gas Separation</title>
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	<description>Oil and Gas Production Facility Design</description>
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		<title>Two Phase Vertical Separators Sizing</title>
		<link>http://www.process-facility.com/two-phase-vertical-separators-sizing.html</link>
		<comments>http://www.process-facility.com/two-phase-vertical-separators-sizing.html#comments</comments>
		<pubDate>Mon, 14 Sep 2009 05:22:22 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Two Phase Separator Sizing]]></category>
		<category><![CDATA[two phase separator]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=897</guid>
		<description><![CDATA[




In vertical separators, a minimum diameter must be maintained to allow liquid drops to separate from the vertically moving gas. The liquid retention time requirement specifies a combination of diameter and liquid volume height. Any diameter greater than the minimum required for gas capacity can be chosen. Figure 4-15 shows the model used for a [...]]]></description>
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		<title>Two Phase Horizontal Separators Sizing</title>
		<link>http://www.process-facility.com/two-phase-horizontal-separators-sizing.html</link>
		<comments>http://www.process-facility.com/two-phase-horizontal-separators-sizing.html#comments</comments>
		<pubDate>Mon, 14 Sep 2009 02:09:04 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Two Phase Separator Sizing]]></category>
		<category><![CDATA[horizontal separator]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=880</guid>
		<description><![CDATA[




For sizing a horizontal separator it is necessary to choose a seam-toseam  vessel length and a diameter. This choice must satisfy the conditions  for gas capacity that allow the liquid drops to fall from the gas to the liquid volume as the gas traverses the effective length of the vessel. It must also  provide sufficient [...]]]></description>
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		<title>Two Phase Separator Re-entrainment</title>
		<link>http://www.process-facility.com/two-phase-separator-re-entrainment.html</link>
		<comments>http://www.process-facility.com/two-phase-separator-re-entrainment.html#comments</comments>
		<pubDate>Mon, 14 Sep 2009 01:55:12 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Two Phase Separator Theory]]></category>
		<category><![CDATA[two phase separator]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=877</guid>
		<description><![CDATA[Re-entrainment is a phenomenon caused by high gas velocity at the gas-liquid interface of a separator. Momentum transfer from the gas to the liquid causes waves and ripples in the liquid, and then droplets are broken away from the liquid phase.
The general rule of thumb that calls for limiting the slenderness ratio to a maximum [...]]]></description>
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		<title>Two Phase Separator Retention Time</title>
		<link>http://www.process-facility.com/two-phase-separator-retention-time.html</link>
		<comments>http://www.process-facility.com/two-phase-separator-retention-time.html#comments</comments>
		<pubDate>Mon, 14 Sep 2009 01:53:48 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Two Phase Separator Theory]]></category>
		<category><![CDATA[Retention Time]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=875</guid>
		<description><![CDATA[To assure that the liquid and gas reach equilibrium at separator pressure a certain liquid storage is required. This is defined as &#8220;retention time&#8221; or the average time a molecule of liquid is retained in the vessel assuming plug flow. The retention time is thus the volume of the liquid storage in the vessel divided [...]]]></description>
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		<title>Two Phase Separator Drop Size</title>
		<link>http://www.process-facility.com/two-phase-separator-drop-size.html</link>
		<comments>http://www.process-facility.com/two-phase-separator-drop-size.html#comments</comments>
		<pubDate>Mon, 14 Sep 2009 01:48:18 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Two Phase Separator Theory]]></category>
		<category><![CDATA[two phase separator]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=873</guid>
		<description><![CDATA[The purpose of the gas separation section of the vessel is to condition the gas for final polishing by the mist extractor. From field experience it appears that if 100-micron drops are removed in this section, the mist extractor will not become flooded and will be able to perform its job of removing those drops [...]]]></description>
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		<title>Two Phase Separator Settling</title>
		<link>http://www.process-facility.com/two-phase-separator-settling.html</link>
		<comments>http://www.process-facility.com/two-phase-separator-settling.html#comments</comments>
		<pubDate>Mon, 14 Sep 2009 01:16:24 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Two Phase Separator Theory]]></category>
		<category><![CDATA[two phase separator]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=857</guid>
		<description><![CDATA[In the gravity settling section the liquid drops will settle at a velocity determined by equating the gravity force on the drop with the drag force caused by its motion relative to the gas continuous phase.
The drag force is determined from the equation:


where FD = drag force, Ib
CD = drag coefficient
A = cross-sectional area of [...]]]></description>
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		<title>Horizontal VS. Vertical Vessel Selection</title>
		<link>http://www.process-facility.com/horizontal-vs-vertical-vessel-selection.html</link>
		<comments>http://www.process-facility.com/horizontal-vs-vertical-vessel-selection.html#comments</comments>
		<pubDate>Wed, 02 Sep 2009 02:20:28 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Two Phase Oil and Gas Separation]]></category>
		<category><![CDATA[horizontal separator]]></category>
		<category><![CDATA[horizontal vessel]]></category>
		<category><![CDATA[vertical separator]]></category>
		<category><![CDATA[vertical vessel]]></category>

		<guid isPermaLink="false">http://localhost/?p=46</guid>
		<description><![CDATA[ 
 
Horizontal separators are smaller and less expensive than vertical separators for a given gas capacity. In the gravity settling section of a horizontal vessel, the liquid droplets fall perpendicular to the gas flow and thus are more easily settled out of the gas continuous phase. Also, since the interface area is larger in [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Liquid Carryover and Gas Blowby</title>
		<link>http://www.process-facility.com/liquid-carryover-and-gas-blowby.html</link>
		<comments>http://www.process-facility.com/liquid-carryover-and-gas-blowby.html#comments</comments>
		<pubDate>Wed, 02 Sep 2009 00:39:59 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Potential Operating Problem]]></category>
		<category><![CDATA[gas blowby]]></category>
		<category><![CDATA[Liquid carryover]]></category>

		<guid isPermaLink="false">http://localhost/?p=67</guid>
		<description><![CDATA[ 
Liquid carryover and gas blowby are two common operating problems. Liquid carryover occurs when free liquid escapes with the gas phase and can indicate high liquid level, damage to vessel internals, foam, improper design, plugged liquid outlets, or a flow rate that exceeds the vessel&#8217;s design rate. Gas blowby occurs when free gas escapes [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Sand</title>
		<link>http://www.process-facility.com/sand.html</link>
		<comments>http://www.process-facility.com/sand.html#comments</comments>
		<pubDate>Wed, 02 Sep 2009 00:38:50 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Potential Operating Problem]]></category>
		<category><![CDATA[sand accumulation]]></category>
		<category><![CDATA[separator plugging]]></category>
		<category><![CDATA[separator trouble]]></category>
		<category><![CDATA[valve trim]]></category>

		<guid isPermaLink="false">http://localhost/?p=65</guid>
		<description><![CDATA[ 
Sand can be very troublesome in separators by causing cutout of valve trim, plugging of separator internals, and accumulation in the bottom of the separator. Special hard trim can minimize the effects of sand on the valves. Accumulations of sand can be alleviated by the use of sand jets and drains.
Plugging of the separator [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Paraffin</title>
		<link>http://www.process-facility.com/paraffin.html</link>
		<comments>http://www.process-facility.com/paraffin.html#comments</comments>
		<pubDate>Wed, 02 Sep 2009 00:37:58 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Potential Operating Problem]]></category>
		<category><![CDATA[crude]]></category>
		<category><![CDATA[paraffin]]></category>
		<category><![CDATA[separator]]></category>

		<guid isPermaLink="false">http://localhost/?p=63</guid>
		<description><![CDATA[ 
Separator operation can be adversely affected by an accumulation of paraffin. Coalescing plates in the liquid section and mesh pad mist extractors in the gas section are particularly prone to plugging by accumulations of paraffin. Where it is determined that paraffin is an actual or potential problem, the use of plate-type or centrifugal mist [...]]]></description>
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		<slash:comments>0</slash:comments>
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