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re: Links to live feeds from remotely operated vehicles (ROV)
Posted on 6/3/10 at 9:51 pm to mrbrdodson
Posted on 6/3/10 at 9:51 pm to mrbrdodson
quote:
Yeah even a very simplistic narrative explaining what were looking at. they've gotta have someone whos on coffee duty for the ROV ops who could talk into a microphone every now and then.
Would never happen due to possible future litigation. I'm surprised they're letting us all even see it.
1
Posted on 6/3/10 at 9:52 pm to aldawg2323
not sure which video you are watching but the one I saw had the pipe already attached
Posted on 6/3/10 at 9:53 pm to htownjeep
You're absolutely right about the litigation. Thankfully the US government was very stern about keeping the feeds going
Posted on 6/3/10 at 9:53 pm to LEASTBAY
quote:
not sure which video you are watching but the one I saw had the pipe already attached
if you are talking about the riser pipe, it is already attached, prior to even moving the "top hat" into place
Posted on 6/3/10 at 9:54 pm to LEASTBAY
Are they spraying dispersant?
Posted on 6/3/10 at 9:55 pm to Impotent Waffle
quote:
Are they spraying dispersant?
yes, that white fluid going into the plume
Posted on 6/3/10 at 9:56 pm to Sam Waterston
Skandi 1 and Enterprise 1 look like 2 different leaks....
Posted on 6/3/10 at 9:56 pm to aldawg2323
quote:
The feed we are seeing right now, the plume escaping from underneath is from a bad seal at the sawed-off portion or from the open valves for the "hydrate mitigation"?
quote:
Sid in Lakeshore:
The top hat looks like it is probably working....once they get some flow to the topside they will play around with it to maximize it.....they want some losses which indicate that they are getting no seawater in the LMRP...
Posted on 6/3/10 at 9:59 pm to ntrcptr
skandi 1 and enterprise 2 are the same, not sure about the other, they are from opposite sides of the plume
Posted on 6/3/10 at 10:00 pm to mrbrdodson
quote:
When you're done answering that question Redstick could you also provide some insight into what is going to prevent this from happening to the relife wells being drilled?
While you are drilling these wells we pump drilling mud down the drillpipe through the bit and it returns back to surface around the outside of the drill pipe. We can tell if gas has entered the well by changes in the surface mud volume (being displaced by gas), increases in the flow percentage at the return line, and the amount of background gas the mud coming back to the surface has in it. That allows us to make adjustments to the density of the mud so are able to overcome the gas pressures. Once we drill to a depth that the density of the drilling fluids needed to overcome the gas pressures reaches the pressures that the formations can naturally withstand we will stop and run a string of steel casing and cement it in place to seal off the formations. We continue that process until drilling is finished.
What happened in this case was that drilling was finished and the well should have been sealed off with steel casing and cement but the cement behind the final casing string did not hold. The rig would have only been monitoring the fluids inside the casing at that point and would really have had no way to know gas pressure was building up behind the casing because they didn't know the cement wasn't holding.
The relief well will not have the final string of casing in place while they are killing this well. Because of that they will have the well full of drilling fluids and will be able to detect any influx of gas almost immediately and close the BOP before the gas ever comes close to the surface.
This post was edited on 6/3/10 at 10:03 pm
Posted on 6/3/10 at 10:00 pm to aldawg2323
quote:
someone please tell me what is in this video.
one of the valves they will close
Posted on 6/3/10 at 10:04 pm to redstick13
quote:
redstick13
What he said.
Posted on 6/3/10 at 10:05 pm to LEASTBAY
ahhh that makes sense. the stainless colored pipe you see periodically at the 3 oclock of this valve had me thinking this was the top of the hat. thought this looked a little small to be the main pipe.
clearer now. so as we speak, oil is migrating slowly up the riser pipe?
clearer now. so as we speak, oil is migrating slowly up the riser pipe?
This post was edited on 6/3/10 at 10:06 pm
Posted on 6/3/10 at 10:05 pm to glb
quote:
hey want some losses which indicate that they are getting no seawater in the LMRP
Definitely.
Posted on 6/3/10 at 10:05 pm to aldawg2323
quote:
oil is migrating slowly up the riser pipe?
hopefully...
Posted on 6/3/10 at 10:08 pm to Sam Waterston
CNN thinks the valve is the top of the hat and no pipe is connected
Posted on 6/3/10 at 10:08 pm to Sam Waterston
anyone care to guess how much time will be needed before they can close these valves?
Posted on 6/3/10 at 10:08 pm to aldawg2323
CNN thinks the valve is the top of the hat and no pipe is connected
so did I...
so did I...
Posted on 6/3/10 at 10:09 pm to LEASTBAY
according to the schematic (link a few pages back) that BP gave out, the riser should already be attached. That's what I am going off of. It also wouldn't make sense to do it the other way around, you then have to fight the pressure twice, once for the top hat and the other for the riser, just wouldn't make sense (not that much that BP has done did). The riser probably isn't visible in the oil plume
This post was edited on 6/3/10 at 10:13 pm
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