Thank you very much for your response and for the link (which I have downloaded, printed, and will read in full).
I realize my suggestion is very elementary and should have been considered by those in charge of the project; never-the-less, I would feel very bad if it turned out that it would have been useful and I didn't say anything about it.
There is a saying that if you have a difficult problem and can find no solution you should consult a "Man From Mars" (please read this as man or woman and adjust the pronouns appropriately). A "Man From Mars" is a person who is intelligent but has very little knowledge directly related to the problem and who, therefore, will have no inhibitions that will prevent him from considering solutions that may be so simple or obvious that the experts may actually overlook, ignore, or reject them out of hand.
Regards, and thanks again for the article,
H. Daryl Richardson
----- Original Message -----
Sent: Thursday, May 06, 2010 10:23 AM
Subject: RE: Gulf Oil Spill - Possible Fix
I wear many hats as many of you are aware. If this is of interest, there are many tecnical magazines for marine construction, off shore marine petrochemical contruction, etc.
This is a pretty good piece from TheOilDrum.com:
Regards, Harold Sprague
Subject: Gulf Oil Spill - Possible Fix
Date: Wed, 5 May 2010 10:34:15 -0600
I have had some thoughts regarding the catastrophic oil spill in the Gulf of Mexico and I have some ideas on how to stop it.
I think it should be possible to make a tool in the form of a large pair of pliers or vice grip that could simply pinch off the pipe somewhere "above" the well/sea bottom intersection thereby stopping the leak. Such a tool would require the use of a submarine to operate the tool and a second submarine using lights and TV cameras to guide the application. I believe the U.S. Navy could carry this out.
I foresee two problems with this solution. Perhaps some of you (and I'm thinking of Chris Wright here) could comment on these problems and/or on anything else you want.
Cracks could form at the ends of the "pinch" and propagate upstream possibly causing a bigger leak than we already have. As a solution to this problem I see using a second tool, or perhaps a second part of the primary pinching tool, that would grip the pipe upstream of the "pinch" like a pair of pliers to provide a segment of compressive hoop stress and thereby act as a crack arrester.
The above action should stop the flow of oil but it would also increase the internal pressure upstream of the "pinch". This increase in pressure could possibly cause a new leak upstream of the "pinch". I don't have a solution for this problem.
Perhaps some one of you could forward this (plus any comments it generates) to someone in a position to take action on the idea.
Best regards to all.
H. Daryl Richardson
The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with Hotmail. Get busy.