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Sensors to calculate oil flow rate deployed
Posted on 6/13/10 at 11:37 am
Posted on 6/13/10 at 11:37 am
1
Posted on 6/13/10 at 11:47 am to Mudminnow
Keeping that boot on the neck. 
Seems like a distraction to me. Does it matter now as long as it gets contained then plugged?
And THEN BP pays all damages. A WV Rep is demanding??
Seems like a distraction to me. Does it matter now as long as it gets contained then plugged?
And THEN BP pays all damages. A WV Rep is demanding??
Posted on 6/13/10 at 11:55 am to GRRRRRTiger
quote:
Does it matter now as long as it gets contained then plugged?
Yes it matters for the clean air and water act. A dollar amount is tied to each barrel spilled.
BP was subpoena to give HD footage of the oil flowing prior to cutting the riser so a better estimate can be made. The scientific panel came up with 40K barrels/day.
This data will help to get even a better estimate and backup when this goes to court. Almost all court cases will have the amount of oil spilled tied into it.
This is in no way interferring with the work to stop this leak.
Posted on 6/14/10 at 9:48 am to Mudminnow
anyone want to take a stab on how a pressure sensor is going to give them a flowrate? 
Posted on 6/14/10 at 10:45 am to diat150
quote:
anyone want to take a stab on how a pressure sensor is going to give them a flowrate?
Sure, Bernoulli's equation. Pressure is inversely proportional to velocity squared.
This post was edited on 6/14/10 at 11:15 am
Posted on 6/14/10 at 1:05 pm to MountainTiger
The sensors appear to be working. BP has confirmed that no oil is leaking from the pipe. Nothing to see here....move along.
Posted on 6/14/10 at 1:27 pm to NukemVol
quote:
The scientific panel came up with 40K barrels/day.
bopd or boepd??
Posted on 6/14/10 at 8:26 pm to lsugradman
anyone have any info on this sensor setup? I have never heard of calculating flow based off of pressure(without a orifice), especially when its a mixture of oil gas and water.
Posted on 6/14/10 at 10:21 pm to diat150
The gas complicates things but measuring the flow of a fluid by measuring pressure differences is done in airplanes all the time. Look up pitot tubes. I'm sure they're not using a pitot tube to do this because it would get gunked up with oil. However, if they can measure pressure in two places, one the static pressure and the other at the stagnation point, then velocity can be computed with a simple equation.
Then the flowrate is just velocity times the cross-sectional area of the pipe. After that they'd have to estimate what percentage is oil, gas and water. That's where the voodoo comes in because I'm not sure they really know.
Then the flowrate is just velocity times the cross-sectional area of the pipe. After that they'd have to estimate what percentage is oil, gas and water. That's where the voodoo comes in because I'm not sure they really know.
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