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Atomic Bomb proposal for Gulf of Mexico blow out well a very bad idea for many reasons, by Geologist Chris Landau

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Atomic Bomb proposal for Gulf of Mexico blown out well a very bad idea for many reasons, by Mud Logging Geologist Chris Landau

Before I explain why there are a few points that the lay person must understand about terminology on a drilling rig and positions of seniority.

1) A mudlog is a schematic cross sectional drawing of the lithology (rock type) of the well that has been bored.

Without looking at the mudlogs and e-logs, we are all navigating blind. They are the forensic tool that you use to discover what happened. Without the mudlog and e-logs, it like asking a person to cross the Antarctic without a map, a compass, a sextant, a radio, a satellite phone, a GPS system or any tool to help them navigate. Let us also include no navigation by the sun or stars. Basically we are being asked to find our way to the South Pole across a thousand miles of ice by gut feel alone. We all know we will get lost and not survive. The mudlog is your map and your compass and your forensic tool.

2) How many oil and gas horizons were there in this well? There was certainly more than one. The mudlog will list the gas horizons and oil horizons. Were there 10, 30 or 50? The picture the press is drawing of the oil zone is only good for elementary school textbooks. Which of these many horizons are we trying to seal? Are the proposed directional wells above some oil and gas horizons and below others. Why is this choice being made? Regardless the directional wells that are being drilled can not seal an open well or blown out well or blown out formation. Back pressure is required for drilling mud to stay in the well to keep the oil out to allow the cement to set. Whether you inject that cement from the top of the well or the bottom of the well, you have not changed a thing. The pressure in the well is the same everywhere. Directional wells will not work. You only create more holes with less back pressure to keep out the oil and gas. The drilling mud escapes. The cement escapes. Only new wells that do not intersect this blowout well will help drain the gas and oil pressure from this region. When this happens you can plug this well.

How much gas was there in each horizon? How thick was each horizon of gas and oil? Was that oil or gas horizon filled with seawater or brine solutions? How fast were they drilling through those horizons? How was the mud being weighted up with depth? These are vital questions that the press is NOT asking. Why should they? They have never worked on a drilling rig. They do not know what the right questions are. They need help from mudlogging geologists, roughneck drilling crews, company men, mudmen, petroleum engineers and geophysicists.

3) Is the Company man alive? If he is or is not available publish his daily report that he sent to BP Head office. He is in charge on the drilling site. His word is law. Everybody falls under his command on that site. There seems to be confusion as to who is in charge in the press. There is no confusion. Work does not proceed without a company man. The buck stops here. Call to publish the Company Man report.

4) Are the two mudlogging geologists alive? These guys are independent contractors who work on multiple drilling rigs for multiple companies. They are your first line of defense against a blowout, apart from the actual blowout preventers. If these guys are geologists, they are very bright people who have studied in principals of geology, physics, math and chemistry. These sometimes quiet intellectuals are working for the money in 12 hour shifts which can go on un-interrupted for up to a month depending on the site and whether there are other geologists to relieve them. Many do this job out of choice for 20 years. Others only for a few years. If a geologist falls ill and another is not immediately available, that shift is pushed to 24, 36 and 48 hours without sleep. The drilling does not stop to wait for a replacement geologist. The geologist can not leave, until the company gives him authority. In any case, he can not hitch a ride on a passing helicopter. Call to publish the geological mudreport.

5) Are the mudmen still alive? They are your second line of defense against a blowout. They are there to monitor the mud. They have to add more barium sulfate to increase the specific gravity) of the mud (weight up the mud). If there is too much gas coming up with the mud and drill cuttings (broken bits of rock), they must add more barium sulfate. They must thin the mud down by adding water if the gas is being suppressed to such a degree that no gas readings are being detected. They must change the pH (acidity-alkalinity) to cope with different clay conditions that are plugging up the drill bit. They must do saline tests when gas and oil shows are encountered to determine if this is going to be a payable zone. Too much saline with gas or oil can lead to uneconomic wells. Call to publish the Mudman report.

6) The drill crew or roughnecks (ruff necks). How many of them are still alive? If there were 3 eight hour shifts, two thirds should be alive. Your third line of defense against a blowout. They know through years of experience and by working in certain areas and by drilling many wells, what is likely to be happening there. They know when it is time to slow down the drilling rate so that the mud man can weight up the mud and when it is time to circulate, to allow the drill mud to degas. They are continually checking with the geologists to see what his instruments are reading for the amount of gas detected in the formation. A "kick of gas" is when a new oil and gas horizon is struck and the mud weight is too low for that amount of gas being produced. More barium sulfate needs to be added to weight up the mud. They speak to the mudman who gets the roughnecks to pour in more barium sulfate. They know when it is time to "wipe the hole" A term used when all the drilling pipes are taken out to make sure that the hole is free of sticky cloying clay and that there are no broken teeth or buttons on the drill bit. Call to publish the roughneck 8 hourly reports.

7) Geophysical Borehole Loggers or Wireline Logging engineers. These people produce E-logs or electrical logs.

Once the well is drilled to the depth required, most of the well is still open, that is it has not been cased by steel piping. It could cave in, if it were not for the drilling mud in the hole to support the well sides and to keep the gas and oil out.

It is now time to run the wireline electronic logs (e-logs). These logs are continuous paper and digital displays that measure among other parameters, porosity, permeability, spontaneous potential, resistivity, sonic properties, active and passive nuclear measurements, dimensional measurements of the wellbore, formation fluid sampling, formation pressure measurement and others. In wireline measurements, the logging tool (or probe) is lowered into the open wellbore on an armored wireline. Once lowered to the bottom of the well the measurements are taken on the way out of the well. Sometimes these e-log instruments can get stuck in the mud or the sidewall of the well, resulting in the loss of a well. Some e-logs have radioactive sources to measure changes in radioactivity. These need to be cemented in to prevent radioactivity from reaching the environment. E-logs instruments in open holes can also lead to blowouts if the instrument gets stuck for a long time. The heavier part of the mud, the barium sulfate settles out at the bottom of the well, the mud thins and can no longer keep the oil and gas pressure from entering the hole. A blowout results.

These e-logs are used to measure a number of parameters in this open hole, to help correlate and understand the potential zones for oil and gas that have been picked up by the mudlogging geologist and the 3 dimensional aerial sonar and electrical resistivity surveys that were first done by geophysicists to choose this particular well site.

If the three can agree with each other, they have a great understanding of what is taking place at this site and where the particular oil and gas zones are and how thick they are.

The two companies that dominate the world in running e-logs are the inventors of the system Schlumberger and its competitor Halliburton, the same company that did the cement work.

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I was born in South Africa in 1958. I came to the USA with my wife and three daughters in 2003. We became US citizens in 2009 and 2010. My wife Susan is a Special Education English Teacher. She also has a bachelor's degree in Micro anatomy and (more...)
 

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Atomic Blast Proposal to seal well. I stress this ... by Chris Landau on Monday, Jun 7, 2010 at 4:28:33 AM
Thanks for this very interesting and informative l... by Dick Thomson on Monday, Jun 7, 2010 at 7:31:15 AM
Hi DickPut a word in for me and I would be happy t... by Chris Landau on Monday, Jun 7, 2010 at 5:16:39 PM
Chris - this was the first truly intelligent comme... by Stefan Thiesen on Monday, Jun 7, 2010 at 8:19:38 AM
Hi StefanThank you for your good words. I never se... by Chris Landau on Monday, Jun 7, 2010 at 5:26:17 PM
To be honest I don't feel fit to really make any i... by Stefan Thiesen on Tuesday, Jun 8, 2010 at 3:38:57 AM
HI StefanGeologist, Chris Landau's Oil Blowout Sol... by Chris Landau on Tuesday, Jun 8, 2010 at 9:35:45 PM
Chris: You obviously are the experienced expert, a... by Stefan Thiesen on Wednesday, Jun 9, 2010 at 3:37:51 AM
I just checked - at least the size of the riser pi... by Stefan Thiesen on Tuesday, Jun 8, 2010 at 4:24:54 AM
Hi StefanI like everbody's enthusiasm and great su... by Chris Landau on Tuesday, Jun 8, 2010 at 8:57:45 PM
I still have the (fading) hope that a solution inv... by Stefan Thiesen on Wednesday, Jun 9, 2010 at 3:40:56 AM
In the movie Armageddon the President is going to ... by Michael Morris on Monday, Jun 7, 2010 at 10:32:17 AM
Hi MichaelI would vote with your wallet. Begin to ... by Chris Landau on Monday, Jun 7, 2010 at 5:35:49 PM
But the greed, ethic and moralty that dove it will... by Michael Morris on Monday, Jun 7, 2010 at 10:11:57 PM
Hi MichaelAh... but you will make a difference for... by Chris Landau on Tuesday, Jun 8, 2010 at 10:00:27 PM
Apropos terminology: what are oil and gas "horizon... by Eliot Lerman on Monday, Jun 7, 2010 at 11:36:22 AM
Hi EliotImagine a multi-layered cake of different ... by Chris Landau on Monday, Jun 7, 2010 at 5:10:52 PM
...they set off an Atomic Bomb that sets fire to t... by Ginger McClemons on Monday, Jun 7, 2010 at 1:22:07 PM
Hi GingerThe radiation will certainly affect the s... by Chris Landau on Tuesday, Jun 8, 2010 at 10:12:41 PM
I grew up in Alberta, when Pigeon Lake area had a ... by Margo on Monday, Jun 7, 2010 at 2:33:11 PM
A scientist was talking about this on CNN this mor... by Laura Roberts on Monday, Jun 7, 2010 at 5:40:58 PM
Hi LauraI agree it is a crazy idea. Still we could... by Chris Landau on Tuesday, Jun 8, 2010 at 10:28:53 PM
Hi MargoI could not have said it better myself. Pe... by Chris Landau on Tuesday, Jun 8, 2010 at 10:17:52 PM
Apropos terminology: what are oil and gas "horizon... by Eliot Lerman on Monday, Jun 7, 2010 at 4:51:38 PM
It's obvious to me from reading this article that ... by Kyle Griffith on Monday, Jun 7, 2010 at 5:18:38 PM
Hi KyleQuick reply. Thanks for the comments. You c... by Chris Landau on Tuesday, Jun 8, 2010 at 4:12:49 PM
If I send a letter including a copy of the whole t... by Kyle Griffith on Tuesday, Jun 8, 2010 at 6:18:32 PM
HI KyleGeologist, Chris Landau's Oil Blowout Solut... by Chris Landau on Tuesday, Jun 8, 2010 at 9:42:32 PM
I find it interesting that while BP is falling off... by Margo on Wednesday, Jun 9, 2010 at 1:09:43 AM
but there should be others. I suggested to pump ai... by Mark Sashine on Monday, Jun 7, 2010 at 6:27:37 PM
Does the head of BP selling ALL his stock BEFORE t... by Steven G. Erickson on Monday, Jun 7, 2010 at 9:13:53 PM
There have been many reports of multiple leaks, in... by Aurora on Monday, Jun 7, 2010 at 9:45:32 PM
and will only find out the truth one of two way, w... by Michael Morris on Monday, Jun 7, 2010 at 10:14:40 PM
who published over 100 articles in scientific jour... by GLloyd Rowsey on Tuesday, Jun 8, 2010 at 1:24:50 AM
I guess your friend is right - they should try aga... by Stefan Thiesen on Tuesday, Jun 8, 2010 at 4:07:56 AM
After reading GLloyd Rowsey's message containing h... by Kyle Griffith on Tuesday, Jun 8, 2010 at 8:12:13 AM
I am also a layman in this arena, but it sounds pl... by Stefan Thiesen on Tuesday, Jun 8, 2010 at 8:37:24 AM
on how to do that as I have used it with ARCO Chem... by Michael Morris on Tuesday, Jun 8, 2010 at 10:19:54 AM
The company working on the broken riser is a Norwe... by Stefan Thiesen on Tuesday, Jun 8, 2010 at 8:14:19 AM
There are discussion taking place on several OEN t... by Kyle Griffith on Wednesday, Jun 9, 2010 at 5:05:01 PM
n sheeple, are consuming their news in a soundbite... by Wakeman Linscomb on Friday, Jun 18, 2010 at 12:01:17 AM