Deepwater Horizon - Transocean Oil Rig Fire

[QUOTE=Alf;36012]

				[IMG]http://gcaptain.com/forum/images/misc/quote_icon.png[/IMG]  Originally Posted by [B]lfgd521rc[/B] 					[[IMG]http://gcaptain.com/forum/images/buttons/viewpost-right.png[/IMG]](http://gcaptain.com/forum/4805-deepwater-horizon-transocean-oil-rig-fire-96.html#post36010) 				

Looks like a piece of burst drillpipe (size reference is the T handle in the right of the pic) sticking out of the seabed.

The rig was using a Top Drive System, not a kelly.[/QUOTE]

Second look: Judging from the look of the tear the metal looks to be very thin. It’s well corroded inside.

The more I look the more I can convince myself it does look square and it’s not the lighting effect.

The rig definately had a TDS, so my guess is this is some conduit from the rig somewhere. Square is strange though.

Am I correct that a BOP needs to be “empty” to properly control a blowout?

Is it common for at least one pipe to be pushed back into the BOP?

If so, as the last poster mentioned, the BOP needs some major redesign in order to work properly.

[QUOTE=alvis;36057]Here is BP’s Gulf of Mexico Oil Spill Response Plan. It’s a fairly large file at 60mb.

http://www.mms.gov/DeepwaterHorizon/BP_Regional_OSRP_Redactedv2.pdf[/QUOTE]

I scanned thru it and it was obviously a cut and paste job. Walruses were mentioned for god’s sake. It was also said that it would take many days for any spill to reach shore. I don’t blame BP for this. Geez, if you can write BS like this and have it approved by the regulatory officials why not? BP did what BP does, they drilled a hole in the ground and got some oil, that’s how they make a living. That there were glaring flaws in both the design of the well and the contingency planning should there be a spill is not BP’s fault, hell they and every other company operating in US waters have been getting by with this for years.
I’d do the same thing driving up and down the road if I could. Heck, I do a little work for the oil majors every now and then; suppose I drive 100mph on the interstate if I felt comfortable doing so and stop at a red light if it pleased me. If a state trooper stopped me and questioned me I’d tell him I work for a oil company, got a important meeting and if I couldn’t do as I pleased the United States of America would continue to be dependent on the Arabs, matter of national security etc [never mind that Canada is the number one supplier of oil to the USA]. Now I doubt any state trooper would be impressed but the oil industry has been allowed to do as they please with similar logic for a long time in the USA so don’t be too hard on BP, it could have been Exxon, BHP, Shell etc. They all have had a blank check and get out of jail for free card for years.

[QUOTE=dsmith;36067]Am I correct that a BOP needs to be “empty” to properly control a blowout?
[/QUOTE]

http://www.glossary.oilfield.slb.com/Display.cfm?Term=blowout%20preventer

[QUOTE=Alf;36056][QUOTE=Anchor Guy;36044]

The rig was fitted with a top drive. The lighting makes the pipe appear squarish.[/QUOTE] I’ve seen a lot of top drives with kellies on the floor. Of course that was back in the day when I rode my horse to the dock.

[QUOTE=alcor;36058]How did they know they had a leak at 1000 ft below the WH. The Shut-in pressure would have been xxxx psi. Based on this, they’d have been able to work out what the shut-in pressure would have been for every foot that the heavy mud was pumped into the hole. In this case it would have been dynamic pressure. At 1000 feet the dynamic pressure would have stabilised, and therefore, there was an external leak.
I think![/QUOTE]

There was no shut in pressure to go by. There was on flowing pressure & I would assume this would be irratic based on the slugging of gas that was evident. The only way they could know that the discs were were busted is through visual evidence IE the blown cement.

BP Blocking Media Access? New Orleans interview

If someone from the press is reading, would you ask BP what the purpose of all the inclinometer readings are for on the surface casing? And what is their analysis of these readings. Thank you.

[QUOTE=alvis;36077]If someone from the press is reading, would you ask BP what the purpose of all the inclinometer readings are for on the surface casing? And what is their analysis of these readings. Thank you.[/QUOTE]

The one on the flex joint is monitoring the flex joint angle. Flex joint is designed to move +/-10 degrees. They are now pressing down on it with the top hat thing.

The others are monitoring the angle of the BOP & WHD because they are very likely to be tilting/moving/swaying. Remember the BOP is very heavy (400,000lbs plus) and designed to be supported from the top by a drilling rig. That support has gone and all that weight is now on the WHD etc.

Latest pics I’ve seen show a tilt compared to very early pics.
All that humungous flow going thru’ the BOP will be heating it and the casings up, as well as causing a lot of vibration.

[QUOTE=Observer;36061]Mud mat, located under the LMRP cap staging area:

[ATTACH=CONFIG]963[/ATTACH]

Area under BOP stack:

[ATTACH=CONFIG]964[/ATTACH]

Doesn’t look like a mud mat from where I sit.[/QUOTE]

Looks to me like there is some kind of rectangular pattern evident in the right half of your second image. I don’t have a clue if it is the right scale to be a mud mat or if it is just an artifact of the image compression, but there’s definitely a rectangular crisscross there.

Also, wouldn’t a mud mat (or anything else) be pretty covered in mud/sediment by now? Seems like everything else is.

[QUOTE=company man 1;36072][QUOTE=Alf;36056] I’ve seen a lot of top drives with kellies on the floor. Of course that was back in the day when I rode my horse to the dock.[/QUOTE]

Touche. Still doesn’t look like a kelly though!

So it was you that I saw in the movies when I was a youngster. You were the one with that big top hat!

Time Out:

For those who should be working instead of surfing, something to amuse you in passing the time.

Guaranteed virus free.

http://www.zshare.net/download/771832277e5235a7/

From an OLD Tristate Handbook. Wall thickness looks a bit “thin” on the pictures.

I don’t remember Tristate. My Dad told me about them.

For what it’s worth here is a link to NOAA’s position on Hurricanes and Oil Slicks.
http://www.nhc.noaa.gov/pdf/hurricanes_oil_factsheet.pdf

What follows is an open letter from Humphrey and Stephens, key architects and developers of the GIS data system for the DWH incident. After laboring for 3 weeks, they were summarily let go, alledgidly by corporate BP IT managers. The letter is a good read of potential skullduggery behind the scenes. This morning I watched a reporter try to interview clean up crews on the beaches, and the BP “handlers” refused access on a public beach for “safety reasons”… This is all starting to stink at a higher level…

Deepwater Horizon GIS Data Concerns
From: Andrew Stephens and Devon Humphrey
Date: June 9, 2010
Subject: BP control of GIS data

To Whom It May Concern:
…snip
This letter is being submitted to make it known that several key factors of the National Incident Management System (NIMS) and Incident Command Structure (ICS) are not being met in the Unified Command process of the BP Deepwater Horizon Incident. Specifically regarding the treatment of Geographic Information System (GIS) data, current configuration and process limit, or exclude completely, the flow of information about the extent and status of the disaster to government entities, emergency responders, and the public.
… snip
Current GIS management processes indicate that BP is treating GIS data as proprietary information, and these data are currently being stored behind the BP corporate firewall. It is our understanding that public agencies, for example, The US Fish and Wildlife Service and The Louisiana National Guard, are literally submitting the only copy of agency field data, via wireless-enabled mobile GPS devices, directly to a BP GIS server behind the corporate firewall in Houston. Examples of these data are; dead bird and fish locations with photos, boom placement, engineered construction barriers, including dates, and other descriptive information and photos.
…snip
On Friday May 28, 2010, after 21 days of service, and just hours after US Coast Guard Commandant, Admiral Robert Papp, complimented us on our work in the GIS lab, we were removed by our contractor, TRG. It is our understanding that this specific request was made by staff of the Houston-based IT department at BP. We got the original news from one of our teammates after we had gone for the day, and it took several hours to reach the owner of TRG, Roy Barrett. Mr. Barrett said to Mr. Stephens by phone, that several upper-level IT directors, and “higher level directors than I’ve ever dealt with” were on a conference call Friday May 28th. Mr. Barrett relayed that the IT group in Houston felt that we were a “problem”, and they asked him to ask us “not to return to the building”. In our opinion, this action was taken in response to our consistent application of NIMS protocols, and for our insisting that the FOSC and the SOSC be copied on all GIS data via simple architectural and procedural designs, per NIMS (see attachment diagram).
…snip
Details, a timeline, and a layperson’s summary follow:

Initially, ICP Houma GIS staff and products were primarily serving US Coast Guard task forces on the water, over-flight, and oil-plume mapping. The GIS Unit quickly migrated away from the fragmented skills, flash drives and personal laptops, to a networked drive with a file Geodatabase, then to an Enterprise-class Spatial Database Engine and ArcGIS Server, all state of the art GIS tools. ArcGIS Mobile (field-to-server direct capability) figured prominently into the overall design, and by Friday the 28th of May, The Louisiana National Guard was posting data directly from the field via wireless-enabled GPS units to the BP GIS server in Houston. There are now over 150 layers of base map and operational data served to users of ArcGIS desktop, a browser-based Flex viewer (a critical Common Operating Picture (COP) element we planned and deployed). The system, which would have normally taken significant time to plan and implement, was fully operational in less than two weeks. Map requests were dominating the GIS staff time, so standardized map products were created on a schedule, each following a data deliverable to the team – for example, the twice-daily airborne SLAR imagery receivable was processed and delivered as a map product available from the document management team. Creating these processes while processing map requests, orienting a growing user-base to the GIS technology, staffing for the ever-increasing demand of functionality from incident command and the field was no small task.
…snip
It is our understanding that at this time, BP controls all editing, contribution, and access to the GIS record for this ecological disaster, a GIS/spatial/map database of what and where features are in the response area, but as importantly when all these movements, features and activities took place. We are also aware of at least one agency, NOAA, who is not submitting data directly to BP, perhaps for NIMS or quality control concerns.
…snip
As GIS Unit leaders, we also resisted the apparent takeover by BP’s IT department of the GIS server, originally ordered and approved by the ICP Houma FOSC, USCG Captain Stanton. On Thursday May 27, 2010, Mr. Stephens was made aware, by members of the GIS Unit, that we had no write access (editing capability) to the GIS database.
…snip
It is our opinion that BP’s IT department was not, and is not currently, aware of the NIMS standards, guidance, and compliance protocols mandated by former President George W. Bush for incidents such as this BP oil spill.
…snip
From the timeline:
…snip
BP IT department activity:

We were now being deluged by requests and tasking from BP IT in Houston, and the staff they had flown in from all over the world. They stood-up the new server, and broke the links to the COP viewer on the first day, as we had predicted. BP’s IT department was clearly attempting to build a business unit, while the GIS Unit was responding to a dynamic emergency response.

What it meant for GIS operations and disaster response:

The GIS Unit was becoming distracted and time-occupied with requests and tasking from Houma BP IT staff, who were trying to learn and understand what we were doing. Houston-based BP IT staff were attempting to manage the database remotely, and task our team. The dichotomy of GIS personnel dedicated to emergency response, compared to BP’s IT needs and policies was clear. Friction was increasing, and BP IT staff were consistently breaking chain of command protocols required by NIMS.
…snip
What this means to the non-GIS layperson:

  1. The current configuration and process allow BP to limit or slow down the flow of information about the extent of the disaster to the government, the public and law enforcement, which I believe is against the spirit and letter of NIMS.
  1. The current process allows BP to treat GIS datasets as proprietary information. It is my understanding that public agencies, like The US Fish and Wildlife Service and The Louisiana National Guard, are literally submitting the only copy of agency field data directly to a BP GIS server behind the corporate firewall. Examples of these data are; dead bird and fish locations with photos, boom deployment and engineered construction, dates, along with other descriptive information and photos.

…and on it goes. A good read. Making my blood boil too early on a good Sunday morning…

Here is the link to the entire “open letter”: BP, GIS And The Mysterious Vanishing Open Letter | Science 2.0

Want to bet that no one at BP IT is NIMS certificated.

[QUOTE=Observer;36065]The uncomfortable truth is that there is no technological quick fix available. If it were possible to cap Macondo in a week, it would have been done already. Unfortunately, killing deep sea blowouts rapidly is beyond the bounds of human technology. No one can do anything better to kill the well now: developing and engineering a fast kill method would take longer than it will take for the relief wells to end it.

The most shameful thing about the BP disaster is that, in the thirty years since the last blowout in the Gulf of Mexico, no one thought it important enough to design and deploy better blowout management tools.[/QUOTE]

BTW, it’s the same everywhere in all the oceans, the only plan is not to have a blowout, that’s what they came up with again just a couple of days ago in the North Sea -it won’t happen here- but since we’re only human, how about everyone get a back up surface bop, and we step up robotic R&D. http://www.zygbotics.com/2009/03/31/japanese-robot-controlled-by-human-brain-signals/

Large submarines are kind of a mysterious unknown to most people, but there is an available workforce. I know a man who helped designed Electric Boat’s submarine tanker, he’s normal neighborhood guy. Navy pilots go on to be commercial and private pilots, but submariners only go back to their hometowns. I know an ex-submariner who now owns a company specializing in oil processing equipment and valves, so rounding up experienced personnel for ocean cleaner submarines would not be a problem, but ocean contamination is: http://oceanworld.tamu.edu/resources/oceanography-book/oilspills.htm

The Russians have plans to build a submarine drilling rig, which totally eliminates the riser, to enable drilling under ice, the question remains whether it will be nuclear powered or other.

[QUOTE=Alf;36079]The one on the flex joint is monitoring the flex joint angle. Flex joint is designed to move +/-10 degrees. They are now pressing down on it with the top hat thing.

The others are monitoring the angle of the BOP & WHD because they are very likely to be tilting/moving/swaying. Remember the BOP is very heavy (400,000lbs plus) and designed to be supported from the top by a drilling rig. That support has gone and all that weight is now on the WHD etc.

Latest pics I’ve seen show a tilt compared to very early pics.
All that humungous flow going thru’ the BOP will be heating it and the casings up, as well as causing a lot of vibration.[/QUOTE]

Do you see any possibilities for remedial anchoring of the BOP?

[QUOTE=pumpjack hand;36095]Do you see any possibilities for remedial anchoring of the BOP?[/QUOTE]

A difficult one in my opinion. The BOP weighs over 200 tons, when it wants to move or sway it will do and the momentum is difficult to stop. The protective structures that surround the BOP would likely rip apart if something was attached to them in an attempt to hold the BOP. Applying tension from the top is the best method.

I have seen BOP’s gyrate around… the only real solution we had was to pull more tension and keep pouring cement around the base of the BOP, ie around the wellhead and gyration crater, and hope it soaked down enough to help. (50/50).

From the poor pics that I have seen, there is a crater around the WHD right now. , some of it may be from the earlier drilling of the top hole sections of the well, some maybe sand and rock debris coming up with the gushing oil and settling out. There also appeared to be a smaller gyration cone/crater around the WHD.

The weak points are likely to be the 36 & 28" casings and whether they can stand up to the gyrating loads and not fatigue fail. Also, the 18.3/4 WHD Housing will be under a lot of lateral strain.

A big factor in all this is temperature effects. Bottom of the hole is around 260F, seabed around 42F. With the high flowrate the BOP and casings are getting hotter. I believe they may have placed a temperature sensor down there the other day?

" Edit: That would mean the reason they are running inclinometers every day is because they are concerned about the whole well head collapsing & the zone flowing out of a crater about 30’ in diameter. At least it would get over sooner. "

Has this ever happened to a well on dry land?

Thanks alvis, your link to the wiki on BOP’s straightened me out.