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Posts Tagged ‘accidents’

This is the nightmare scenario that we supporters of offshore oil and gas development dreaded and worked so hard to prevent – workers missing, fire raging, and oil flowing.  Santa Barbara, Ixtoc, and most recently Montara were horrible drilling blowouts, but no lives were lost.  Barring an Earth Day miracle, or series of miracles, that will not be the case this time.

BP and Transocean are not rogue companies.  BP had a near flawless safety and compliance record in US waters over the past 2 years.  Transocean is a respected drilling contractor.  The Deepwater Horizon is a modern mobile drilling unit, and was staffed with a skilled and competent crew.  So what went wrong?  Is the challenge of drilling deep beneath the earth from a floating facility in thousands of feet of water too great to achieve the level of perfection that is necessary and expected?  I don’t think so, but we clearly have a lot of soul searching to do.

For now, the focus must be on the search for the missing workers and regaining control of the well.  We can count on the Coast Guard, which is once again providing outstanding leadership during a crisis, to do everything possible to find the workers.  With regard to the well, an ROV must successfully actuate a ram on a BOP stack located on the ocean floor.  If that doesn’t work, we are in for a long siege.

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Photo from Christian Science Monitor site

Good video here.

Also, click here for satellite imagery.

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Upstream report on today’s press conference.
Observations:

  1. The listing DP rig  is apparently being held on location solely by the marine riser.
  2. It sounds like they were  cementing (or had cemented) production casing at the time of the incident, and that the surface plug had not yet been set prior to temporarily abandoning the well.  Flow could be inside the casing or in the annulus.
  3. Apparently most of the oil is being released at the top of the riser (estimated rate of 300 bbl/hr) and being ignited.  If the riser fails, oil will be released at the seafloor and the spill response will be much more challenging.
  4. They will attempt to actuate the BOPE with an ROV.  This implies that they either were unable to actuate BOPE prior to evacuating or that the actuation was unsuccessful (e.g. shear ram was unable to cut pipe in well bore).

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11 workers still not accounted for.

According to the latest US Coast Guard release:

Updated reports indicate that there were 126 people on board the MODU at the time of the explosion.

One-hundred-fifteen crewmembers have been accounted for.  Of those accounted for:

  • Seventeen crewmembers were medevaced from the scene
  • Ninety-four crewmembers are being transferred to shore at Port Fourchon aboard the Damien Baxton, an offshore supply vessel.  There are no major injuries reported for these members.
  • Four crewmembers have been transferred to another vessel

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Contrary to an earlier report (see below),  the Coast Guard has told Upstream that the 11 workers are still missing and the search continues.

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Correction from nola.com

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Coast Guard Photo

“It’s burning pretty good and there’s no estimate on when the fire will be put out.”  Mike O’Berry, US Coast Guard

The Coast Guard is hoping to locate the missing in an escape capsule or life raft. link

All BP personnel are reported to be safe.

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Deepwater Horizon

The Coast Guard is reporting an explosion last night on the Deepwater Horizon, a Transocean drillship working for BP in the Gulf of Mexico.  The Horizon was working in Mississippi Canyon Block 253 about 52 miles off the coast of Venice.

Details are sketchy, but 126 people are reported to have been evacuated.  Local news is reporting 8 critical injuries and some missing personnel.

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Like mowing a 40 acre field with a 1/4 inch lawn mower. ~ Ed Tennyson, 1989

Reading today’s transcript reminded me of my colleague Ed Tennyson’s famous comment about the response to the Valdez spill in Prince William Sound, Alaska.  Ed’s comment, which appeared on the front page of the Wall Street Journal, was typically colorful and fitting.  A media darling, Ed was given a time-out for that one, but rebounded nicely.

I’m not suggesting that the Montara spill and response were a mismatch of Valdez proportions.  The Montara responders seemed to be competent and made reasonable decisions.  However, the testimony does suggest the need for some improvements in the response regime.  A few observations:

  1. There appears to be a need to clarify responsibilities and liability limits for studies and damages.  Also, consideration should be given to an oil spill trust fund (paid for by a per barrel production and transportation fee) to cover any additional authorized costs.
  2. It seems that all of the slick monitoring was visual.  Mr. Berger is right in alleging that there are now more accurate methods.  AMSA should investigate  aerial slick mapping and thickness measurement capabilities.
  3. It seems at least one Federal agency did not step up and provide requested assistance during the crisis.  Further explanation is necessary.
  4. When a well is blowing out, you shouldn’t rely solely on slick data to estimate the spill rate.  PTTEP should have used reservoir and well design data to model the flow and estimate the spillage rate.

Howe (Commission): I have been absolutely struck by the technology and the accuracy of the transcript and the promptness with which it comes up

Amen to that; great job by the recorders!

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Q. Mr. Berger (Commission): Do you recall my putting to both Mr Marozzi and Mr Whitfield a commentary on Mr Marozzi’s evidence to the effect that it was not a good day for the Northern Territory?
A. Mr. Trier (NT DoR) Yes.
Q. Having sat through Mr Marozzi’s evidence and the other evidence that you have heard in the Inquiry, you would agree with that assessment, wouldn’t you?
A. Yes, I agree
Q. That would be fairly sobering evidence, I take it, for you to hear, given your role within the department?
A. I am not trying to be smart. That’s an understatement.

Comment: Mr. Trier and Mr. Whitfield, senior managers with the Northern Territory Department of Resources, demonstrated the approach that managers should take when their organization is partially or fully accountable for a major accident – be contrite, promise changes, and seek external guidance.  The Montara blowout was a pollution spectacular that reflects poorly on all of us.  While assigning blame, we should make sure that our own houses are in order and that we are doing everything we can to prevent a recurrence – anywhere in the world.

Q. Berger: You also heard evidence that Mr Marozzi considered PTT one of the less risky, or safest, operators that he was dealing with; do you remember that evidence?
A.  Trier: Yes, I do.

Comment: I wonder what the other NT operators think about that statement?  How would you like to be like to be ranked below PTTEP?

Other comments:

  1. While some of the PTTEP witnesses appear to get it, the official company position still seems to be that it’s okay to withhold internal reports, that corrosion caps are equivalent to cement plugs and packers, and that barrier policies are fluid and negotiable.
  2. It seems that the current NT regime allows operators to specify how they will submit data.  Assuming information is only required for important resource, safety, or environmental management purposes, submission requirements should, in my view, be as prescriptive as possible (even in a goal-setting regime).  How else can the responsible agency compile data, assess trends, and conduct comparative analyses?
  3. According to the testimony, a governmental auditing agency identified staffing and resource needs in the NT DoR.  While this may be the case for DoR, what percentage of internal government audits draw similar conclusions?  How many of these audits find that you have sufficient resources, and that they are appropriately managed and distributed?  None that I’ve ever seen.
  4. The hearings close tomorrow.  Who’s hosting the party?  Can we participate online? 🙂

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