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Started By
Message
re: A possible explanation of what happened on the Deepwater Horizon
Posted on 5/5/10 at 9:50 pm to htownjeep
Posted on 5/5/10 at 9:50 pm to htownjeep
quote:
Not the deepest ever. Don't get me wrong, it's very deep. But not even close to the deepest.
Transocean holds the record for the drilling in the deepest water. 10,011' in the Gulf of Mexico.
0
Posted on 5/5/10 at 10:17 pm to lsugradman
quote:
Whats the deepest water depth drilled in?
Don't remember off the top of my head and don't feel like searching. I know that Transocean's fleet of deepwater drilling operations are always setting records. Look at their website and I'm sure you'll find deeper than Horizon. There's rigs somewhere in the neighborhood of 8-10k feet that I know are built or about to launch. I think Chevron is about to launch one in Perdido. Not sure if it's actually going yet.
I'll look tomorrow when I have more time.
Posted on 5/5/10 at 10:39 pm to htownjeep
quote:
I think Chevron is about to launch one in Perdido.
Yeah Perdido isn't really that deep by comparison to some of those ultradeep Lower Wilcox wildcats. Some of those are in 9-10000 ft of water.
Posted on 5/5/10 at 11:24 pm to baytiger
quote:quote:
There was a frickload of oil and a frickload of pressure. They ran a frickload of production casing which is a fricking sight different than fricking liner. They cemented the frick out of the casing because the well was kicking like a frick all the way fricking down. You've gotta be fricking careful with a cement job like this or you'll royally frick it. They fricked up and royally fricked it. They were getting ready to move the frick out and that's when the fricking shite hit the fan. Some really fricking explosive shite travelled all the way up the fricking casing and a big fricking cloud of that shite sat right the frick over the rig because there was no fricking wind or any shite like that. The fricking engines set all that fricking shite ablaze and a frickload of explosions sent motherfrickers and motherfukcing shite flying everywhere. A lot of motherfrickers were fricked up. (Get this...the frickers - including the head honcho mother frickers - were there throwing a fricking party for having a bitchin safe fricking rig).
There's supposed to be four fricking ways of making sure that shite doesn't frick up and they're tested all the fricking time, but not a one of them fricking worked. The fricking rams that are supposed to fricking shear the fricker right the frick off got fricked. It is fricking likely they got fricked by the really fricking strong cement and couldn't fricking work.
The fricking media has no fricking idea about the volume of oil that's fricking leaking. The frickheads are planning relief wells, but that's two fricking months away from making the slightests frick's worth of a difference. Some frickheads are talkling about using a fricking sub, but they're fukcing nuts...that's just too fricking deep.
This shite is fricked.
Post of the Year nominee.
I found something to model the trophy after...
/hijack
Posted on 5/5/10 at 11:34 pm to yurintroubl
Guys,
Ya'll are all over what happened. I do need to make a correction to the original post though.
There was no "party". We don't party on the DWH. On February 28, 2010 we hit 7 years without a Lost Time Incident. Layman's terms: We had gone 7 years without injuring someone to the point that they could not return to work within a day.
The reason for the VIPs being on the rig was to point out how safely the DWH had been working for the 1st quarter of the year. The DWH has won multiple awards from MMS for its safe operations in the Gulf.
I cannot stress enough how awesome a rig this was in safety and performance. We were part of 2 monster finds in the Gulf. And we did this all SAFELY. We got upset and held meetings if someone twisted an ankle or cut a finger. The big safety push at the time of the incident was hand injuries and dropped objects due to the trends we had seen within the company.
Ya'll are all over what happened. I do need to make a correction to the original post though.
There was no "party". We don't party on the DWH. On February 28, 2010 we hit 7 years without a Lost Time Incident. Layman's terms: We had gone 7 years without injuring someone to the point that they could not return to work within a day.
The reason for the VIPs being on the rig was to point out how safely the DWH had been working for the 1st quarter of the year. The DWH has won multiple awards from MMS for its safe operations in the Gulf.
I cannot stress enough how awesome a rig this was in safety and performance. We were part of 2 monster finds in the Gulf. And we did this all SAFELY. We got upset and held meetings if someone twisted an ankle or cut a finger. The big safety push at the time of the incident was hand injuries and dropped objects due to the trends we had seen within the company.
Posted on 5/5/10 at 11:48 pm to Carnage
After all the talk about putty went back to read what wrote and yes it is epic.
Posted on 5/5/10 at 11:52 pm to GREENHEAD22
By the way the Wilcox wells were all in about 8,000ft of water, i thought Perdido was close to that.
Posted on 5/6/10 at 9:02 am to GREENHEAD22
Yeah Perdido is in just under 8k ft of water. I think its the deepest producing field in the gulf. But there have been some exploratory wells drilled in 9-10k ft of water.
Posted on 5/6/10 at 1:34 pm to htownjeep
quote:
Not the deepest ever. Don't get me wrong, it's very deep. But not even close to the deepest.
The water depth drilling record of 10,011ft (3,051m) was set by Chevron in Alaminos Canyon Block 951 in late 2003.
Here's the rig that did it. I should know, I used to work on it.
Deepwater Discovery
This post was edited on 5/6/10 at 1:40 pm
Posted on 5/6/10 at 2:13 pm to gliterein
quote:
When the main inductions of the engines got a whiff, they ran away and exploded.
All diesel engines are required to have air intake shutoff valves for this reason, according to 30CFR. They either failed or this story is BS.
This post was edited on 5/6/10 at 2:18 pm
Posted on 5/6/10 at 2:20 pm to ByteMe
Wouldn't pressure that needed 16+ ppg mud be pushing the limits of 10 kpsi rated equipment?
Posted on 5/6/10 at 2:32 pm to tiger91
quote:
Just how will they investigate this? I'm not being ugly.
Once they get the well under control/plugged, I'm sure they will pull the original Horizon BOP stack and tear it apart looking for clues. I believe the BOP stack will provide the most answers to what happened.
Posted on 5/6/10 at 2:34 pm to ByteMe
quote:
All diesel engines are required to have air intake shutoff valves for this reason, according to 30CFR. They either failed or this story is BS
I question that part of the story too.
Posted on 5/6/10 at 2:37 pm to Olive
quote:
Wouldn't pressure that needed 16+ ppg mud be pushing the limits of 10 kpsi rated equipment?
I would think so. I'm hearing that the pressure was twice as much as they were expecting. I don't think the BOP was even rated for what they saw. This is all rumor right now. We won't know for sure until an investigation is completed.
Posted on 5/6/10 at 2:40 pm to redstick13
quote:
Wouldn't pressure that needed 16+ ppg mud be pushing the limits of 10 kpsi rated equipment?
Dont think so. That mud weight equates to about 4000 psi at the wellhead and about 15000 psi at the reservoir if Im figuring that up right. 16 ppg mudweight is fairly typical for this type of drilling as far as I am aware.
Posted on 5/7/10 at 12:16 am to Olive
quote:
Wouldn't pressure that needed 16+ ppg mud be pushing the limits of 10 kpsi rated equipment?
LINK
quote:
The DEEPWATER HORIZON is a Reading & Bates Falcon RBS8D design semi-submersible drilling unit capable of operating in harsh environments and water depths up to 8,000 ft (upgradeable to 10,000 ft) using 18¾in 15,000 psi BOP and 21in OD marine riser.
Posted on 5/7/10 at 9:19 am to tiger91
quote:
The rig is at or near the bottom of the Gulf. The people actually operating in the floor area are gone, tragically. The records of ALL tests I would assume are gone unless they're sent by computer to some other location.
All data all the time is sent via sattelite to the home office. There are alot of ment who saw most everything and lived. You must understand, the explosion and the events after that don't really matter in the investigatin of what happened. They are expected results of the frickings up that happened ahead of the explosion.
They know or will know every single thing that transpired.
And then the blame game starts.
Posted on 5/7/10 at 9:28 am to supatigah
quote:
16+ ppg
It was not 16 ppg mud. it has been reported they TD'd it w/ ~14 ppg at ~18000'. The cement slurries that were pumped probably had a density of 16.4-16.6 ppg.
The maximum anticipated wellhead pressure if the well was totally evacuated to gas would be ~11,000 psi. The hydrostatic pressure exerted by the SW outside the BOP stack in 5000' of water would be 2200 psi. Total differential pressure of ~8800 psi.
As stated above there was a Cameron 15k psi BOP stack in use.
Also, i totally concur w/ the previous poster's comments that an enormous amount of real time data is transmitted to (in this case) BP's offices and it will be intrumental in figuring out exactly what happened.
This post was edited on 5/7/10 at 9:32 am
Posted on 5/7/10 at 9:35 am to oilfieldtiger
quote:
Also, i totally concur w/ the previous poster's comments that an enormous amount of real time data is transmitted to (in this case) BP's offices and it will be intrumental in figuring out exactly what happened.
Very true. Although i imagine they wont beable to solve the real mystery of "why the hell didnt the BOPs close" until they are able to inspect it.
Posted on 5/7/10 at 9:44 am to lsugradman
quote:
the real mystery of "why the hell didnt the BOPs close" until they are able to inspect it.
That's right..trust me, they have a Les Miles' WANT to inspect that BOP! It may not be the cause, but it is supposed to be the answer in these catastrophic scenarios.
After that releief well is in place and plugged, that stack will be priority #1 other than the ongoing cleanup.
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