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Posts Tagged ‘oil spill’

I awoke to an email message from Odd Finnestad linking the BP announcement.  It’s only fitting that Odd delivered the news. He and I have been following Montara and Macondo on a daily basis since August 21, 2009, the day the Montara well blew out in the Timor Sea.  A few thoughts:

  • The real end date for the blowout was July 15th, when the containment cap shut-in the well.  It was an uncertain ending with the capping described as a temporary integrity test and talk about re-opening well vents. Fortunately, good judgement and common sense prevailed, and the well remained shut-in.
  • The efforts to prevent recurrence can now proceed with fewer distractions. It’s difficult to calmly address the issues while video images of oil gushing into the Gulf are being broadcast worldwide.
  • We need to do more than react to Macondo, and every offshore operator and contractor needs to be involved. Only 20% of Gulf of Mexico operators attended a critical industry-government hurricane conference after Katrina and Rita.  (No, I’m not going to stop ranting about this!)
  • Industry needs to look at EVERY aspect of offshore operations, not just the drilling issues associated with Macondo.  Fixing what happened at Macondo doesn’t prevent production, pipeline, and other types of drilling disasters.  Helicopter safety, lifting operations, and workplace safety issues also need to be further addressed.
  • This is a major effort and everyone needs to participate.  If you aren’t committed to improving overall safety performance, in the US and worldwide, you shouldn’t be in the business.

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In the less than 3 week period since Macondo was capped, we have transitioned from “doom and gloom” to “all is well.”  What next?

Click to read an interesting USA Today article.

“Oil doesn’t really kill marsh plants,” says John Pardue, director of Louisiana State University’s Hazardous Substance Research Center, who has studied the effects of oil on marshes. “You can put several inches of oil on the vegetation surface and you won’t kill the plants.”

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Those are the latest official numbers provided by the Unified Command’s Scientific Teams. Once again, no assumptions or calculations are provided. Why? What was the range of estimates for the different methods (videos analyses, reservoir modeling, acoustics, and extrapolations based on recovery volumes)? Show us the data!

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Link to EPA Release. The results are not surprising.

These results confirm that the dispersant used in response to the oil spill in the Gulf, Corexit 9500A, is generally no more or less toxic than the other available alternatives.

Good, timely work by EPA.  Also:

EPA believes dispersants should only be used sparingly and when absolutely necessary. Since the well was capped, only 200 gallons of dispersant have been applied to the Gulf, but constant monitoring continues.

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Per Nola.com, the Bayou St. Denis blowout has been capped.

“The Unified Command was able to accomplish this in less than a week due to the fantastic cooperation between the federal, state and local officials and efforts of the contractors,” Capt. John Arenstam, the Coast Guard Federal On Scene Coordinator, said in a news release.

The fact that this incident occurred at all is not so fantastic.  The Coast Guard is investigating.  We look forward to seeing the report.

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End game mysteries?:  As BP prepares for the static kill operation, the well’s flow path is still not clear.   While the consensus seems to be that the flow originates in the annulus outside the production casing, irregularities during the cementing and testing of that casing suggest the possibility of flow inside the casing.  The condition of the well bore and casing strings is also uncertain. Perhaps of greatest importance will be the inspection of the BOPE after the well is plugged and the stack is pulled.  This inspection process should be closely supervised by the regulators.

Press conference etiquette?: After admitting that they joined yesterday’s Unified Command press briefing late, two reporters asked questions that had been answered earlier.  Perhaps they think their time is more important than Admiral Allen’s, or that of the other attendees, viewers, and listeners.  One of these questioners asked when the static kill operation would begin.  Admiral Allen, who answered the question politely and patiently, should have asked when it would be most convenient for the reporter. Surely, the Unified Command would want to accommodate the reporter’s busy schedule. 😉

Dispersants: As has been demonstrated at oil spill workshops and conferences for the past 30 years, you can always stir up passions by questioning the use of dispersants.  Dispersants, unlike burning and skimmers, don’t remove oil from the water (at least not directly).  The On-Scene Commander (OSC) must consider the tradeoffs and make the decisions that he or she thinks will minimize the net impact of the spill.  Given the magnitude of location of the Macondo spill, I think the OSCs made the correct calls.  Dispersants were also used (not without controversy of course) in responding to last year’s Montara blowout in the Timor Sea.

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This incident isn’t receiving much attention, perhaps because the volumes being discharged are small by comparison to Macondo and there is no “supermajor” to criticize.  I expect that there would be a tad more coverage if BP was the operator. In any event, we thank the folks at NOLA.com for tracking this one.

Despite the dearth of media attention, this is a very disturbing leak/discharge/blowout (you choose) from a safety and environmental management standpoint.  The well was apparently no longer producing and was left without any downhole barriers that would prevent flow in the event of hurricane damage, a fire, or a vessel collision (what happened).  While pollution spectaculars like Macondo deserve the notoriety, industry should be just as determined to address more systemic problems like this one.

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oil-eating bacteria

ABC News reports: Undersea Plumes Nowhere to Be Found as Tests Show Seafood to Be Safe

“When a large amount of oil comes into the environment, then they quickly muster, if you will, and they can sometimes grow to 1,000-fold,” said Jay Grimes, a professor of microbiology at the University of Southern Mississippi.

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“For southern Florida, the Florida Keys, and the Eastern Seaboard, the coast remains clear,” said Jane Lubchenco, Ph.D., under secretary of commerce for oceans and atmosphere and NOAA administrator. “With the flow stopped and the loop current a considerable distance away, the light sheen remaining on the Gulf’s surface will continue to biodegrade and disperse, but will not travel far.”

The scare is over, return to your stations and enjoy the sunsets.

Dr. Lubachenco’s announcement is no surprise to the savvy readers of this obscure blog, but it’s nonetheless good to hear the official word.  Don’t expect any apologies from the fear mongers who predicted that the loop current superhighway would carry oil to east coast beaches as early as the first week of May or from the media folks who were eager to report the pending doom.

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A. The environmental effects will be modest  (initial Hayward assessment made shortly after oil started gushing into the Gulf)

or

B. Environmental catastrophe (revised Hayward assessment while on the political hot-seat)

It’s much too soon to make a call, but the early data seem to favor A.  The Telegraph and Time have posted interesting articles on this topic.

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