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Archive for June, 2011

I don’t buy the argument that industry and regulators have paid too much attention to personal safety at the expense of process safety. Casualties from falls, falling objects, helicopter crashes, and other workplace activities have been persistent, and safety management programs must emphasize practices and procedures that will reduce occurrence rates.

Also, process safety has hardly been ignored. API RP 14 C has proven to be an effective safety analysis procedure for addressing undesirable events associated with each process component of a production facility.  For more complex facilities, Deepwater Operating Plans and API RP 14J, “Recommended Practice for Design and Hazard Analysis for Offshore Production Facilities, ” are good risk management supplements to RP 14C.

That said, we need better programs for sustaining the focus needed to further reduce the probability of low frequency, high consequence events.  When memories about the most recent disaster start to fade, what do we do to keep workers on edge and prevent complacency? What more can be done to prevent events with enormous consequence potential?  Some thoughts:

  1. Establish programs to remind employees about past disasters – how they happened and how they could have been prevented. How many offshore workers know the chain of events that led to the Santa Barbara blowout, Ocean Ranger sinking, Alexander Kielland capsizing, Piper Alpha fire and explosion, Ixtoc blowout, and other historic incidents? When discussing international incidents, we need to explain how our facilities or region might have been vulnerable under similar circumstances.
  2. Present information on minor incidents that could have escalated into disasters, emphasizing what could have gone wrong and why.
  3. Don’t just focus on the last disaster.  While addressing the operational and organizational issues that surfaced at Montara and Macondo, we also must assess incident data and identify activities and practices that could lead to the next disaster.
  4. Operators should not rely on the regulator to manage their operations. Reading about Montara and Macondo, one senses that the regulators were called on to referee internal company disputes and protect the operators and contractors from themselves.
  5. Regulators should not be making day-to-day operating decisions. Regulators should make sure that the regulations are clear and that operators have effective management procedures for adjusting programs as new information is obtained. Regimes that provide for regulator approval of each activity or adjustment promote operator complacency and are not in the best interest of safety over the long term.
  6. Service companies and contractors must challenge operators and regulators.  Operators should expect contractors to think and question, not to simply execute orders. There are impressive examples of contractors insisting on safety improvements, and being willing to forego business rather than compromise on safety.
  7. All sectors of the offshore industry should participate in standards development. Effective standards are dependent on diverse input.
  8. Industry and government leaders should promote innovation. Obvious weaknesses should be identified and industry should be challenged to propose solutions. For example, why do concerns about “false alarms” preclude automatic alarm activation (see Transocean’s Macondo report)? Data from redundant sensors can be analyzed by predictive software that is capable of quickly identifying real events. Similarly, why have advances in BOPE, including monitoring systems, been so slow? Why are BOP capabilities still poorly understood? Why are well integrity and casing pressure issues (producing wells) so common?

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Very interesting Wall Street Journal article.

First, thanks to the unexpected shale gas boom in the U.S., liquefied natural gas cargoes once planned for the U.S. have gone looking for new buyers. Result: European customers have been able to shake off Russian long-term contracts linked to the price of oil.

Russia insists the gas glut is temporary. It has tried to fight back by pushing gas sales to China. But now those talks are stalled over price thanks to Beijing’s discovery that—guess what?—China back home may have the biggest shale potential of all.

And the hits will keep on coming, upending a high-price dynamic and European dependency that have suited Russia very well (and, admittedly, also suited some of its customers, especially German utilities).

Will the great potential of shale gas be fulfilled? In the US? In Europe? Elsewhere?

But what the Lord giveth, European politics may fritter away. French campaigner Jose Bove, having failed to kick McDonald’s out of Paris, is now jawboning Poland against developing its reserves, handing a Polish-subtitled copy of “Gasland,” the U.S.-made antifracking documentary, recently to Poland’s president.

France in May passed a ban on fracking. Poland is the anti-France, set to take the European Union’s rotating presidency next month and determined to move ahead on fracking. A mystery wrapped in an enigma is Germany, with its precipitous decision to retire its nuclear plants, and its big, Russia-friendly investment in Nord Stream, a gas pipeline whose board is headed by former German Chancellor Gerhard Schroeder.

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Links

Animation of Transocean’s BOP analysis

Transocean’s BOP Defense:

Forensic evidence from independent post-incident testing by Det Norske Veritas (DNV) and evaluation by the Transocean investigation team confirm that the Deepwater Horizon BOP was properly maintained and did operate as designed. However, it was overcome by conditions created by the extreme dynamic flow, the force of which pushed the drill pipe upward, washed or eroded the drill pipe and other rubber and metal elements, and forced the drill pipe to bow within the BOP. This prevented the BOP from completely shearing the drill pipe and sealing the well.

In other words, Transocean contends that properly maintained BOPE was not up to the task of shutting-in and securing a high-rate well. If true, this finding has significant implications for the offshore industry.  I’m looking forward to reading the government’s findings on the BOP failure when the Joint Investigation Team report is issued next month.

 

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BP settled Macondo litigation with Weatherford, manufacturer of the float equipment equipment used in the Macondo well. The failure of this equipment was a key contributing factor in the Macondo blowout. Under the agreement, Weatherford will pay BP $75 million.  This money will be applied to the $20 billion Macondo trust fund.

Weatherford is the first of BP’s contractors to formally agree with BP that the entire industry can and should learn from the Deepwater Horizon incident. Accordingly, Weatherford has committed to working with BP to take actions to improve processes and procedures, managerial systems, and safety and best practices in offshore drilling operations. BP and Weatherford will encourage other companies in the drilling industry to join them in this improvement and reform effort.

Comments:

  1. $75 million seems like a rather modest payment by Weatherford given the magnitude of Macondo damage costs. BP will “indemnify Weatherford for compensatory claims resulting from the accident.”  Presumably, Weatherford’s sales agreements provide good legal protection.
  2. One of the root causes of the Montara blowout was also a float collar failure. That float collar was also supplied by Weatherford.  I’m surprised that this common cause and supplier have received almost no attention. Of course, no one has paid much attention to Montara, either before or after Macondo. Had more attention been paid to the Montara inquiry, Macondo might have been avoided.  (Note that most of the post-Macondo commentary still implies that deep water is the threat even though Montara was in 80 m of water and the root causes of Macondo were not water depth related).
  3. When do we learn more about the “improvement and reform effort” described in the quote above?

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Resources Minister Martin Ferguson is determined to establish a single national regulator after the Montara oil spill in the Timor Sea leaked oil and gas condensate for more than two months in 2009.

The WA government is at odds with Mr Ferguson over plans for a national regulator and wants to maintain responsibility for oversight of the industry in the state.

Senator Eggleston and Senator David Bushby said the federal government had introduced the legislation to parliament before concluding ongoing negotiations with the WA government. Herald Sun

Meanwhile, still no news regarding any penalties for Montara operator PTTEP.  Will there be none?

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Perhaps the congressman was “distracted” when he chose to sponsor these two bills:

No New Drilling Act of 2011: Amends the Outer Continental Shelf Lands Act to prohibit the issuance of any lease for the exploration, development, or production of oil, gas, or any other mineral on the outer Continental Shelf.

Alaska Oil Drilling Leases: To prohibit the Secretary of the Interior from selling any oil and gas lease for any tract in the Lease Sale 193 Area of the Alaska Outer Continental Shelf Region until the Secretary determines whether to list the polar bear as a threatened species or an endangered species under the Endangered Species Act of 1973, and for other purposes.

 

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High-ranking congressmen made a concerted effort to financially distance themselves from BP in the aftermath of the Deepwater Horizon oil spill, either by reducing or altogether dumping their stock holdings, according to a Center for Responsive Politics analysis of lawmakers’personal financial disclosure documents released Tuesday. 

House Speaker John Boehner (R-Ohio) and Sen. John Kerry (D-Mass.) gave up all or a significant amount of their holdings in BP after the 2010 spill, which leaked an estimated 205 million gallons of oil in the Gulf of Mexico and killed 11 oil platform crew members in the initial explosion. Open Secrets Blog

Financial decision? Moral leadership? Fear of guilt by association? Washington front-running? Political weakness? I wonder where they reinvested their money.

More on lawmakers’ finances.

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Because of recent involvement with products and systems that have Safety Integrity Level (SIL) ratings, I read the comment (below) in the PSA Deepwater Horizon review with interest. While administrative and effectiveness issues must be carefully assessed, the application of SIL should be part of the BOP performance dialogue.  SIL ratings may also be appropriate for entire well control or well integrity systems.

Today’s requirements stipulate a risk analysis for the control system of a drilling BOP, with specified minimum requirements for its safety integrity level (SIL). As a result of the DwH incident and of the fact that blowouts are not confined to drilling operations, the question is whether such an analysis, with a specified minimum SIL level, should also apply to all types of BOPs, including well-intervention models. In addition, consideration should be given in this context to whether other control and management systems related to well integrity/control exist which should be subject to such requirements.

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In their comments on the Coast Guard’s Deepwater Horizon Joint Investigation Team Report, Transocean made these statements about BOP maintenance standards incorporated in MMS drilling regulations:

By glossing over the contours of the regulatory language, the Draft Report unilaterally converts API Recommended Practice 53 from an advisory guideline into a mandatory requirement. Notwithstanding the Draft Report’s insistence otherwise, the API’s recommendation that the BOP “should” be disassembled and inspected according to the manufacturer’s guidelines is not mandatory. The API clarifies that the word “should” indicates a recommended practice for which a comparably safe alternative is available or which may be impractical or unnecessary in some conditions. In contrast, to denote a recommended practice that is “advisable in all circumstances,” the API uses the word “shall.” The API also emphasizes that “the formulation and publication of API standards is not intended in any way to inhibit anyone from using any other practices.” Though it recommends specific practices, API acknowledges that “equivalent alternative installations and practices may be utilized to accomplish the same objectives.” On its face, the language of API RP 53 makes clear that the recommendation that the BOP “should” be disassembled and inspected in accordance with the manufacturer’s guidelines is a recommendation, and nothing more.

Although the MMS regulations governing BOP maintenance incorporate API RP 53 sections 17.10 and 18.10 by reference, this does not convert the API’s recommendations into a mandatory requirement. As the MMS has clarified, “[t]he legal effect of incorporation by reference” is merely that “the material is treated as if it were published in the Federal Register.”

Treating API RP 53 as if it had been published in the Federal Register does not imbue its language with more regulatory significance than it had before. The API’s recommendations regarding BOP maintenance—as well as the API’s acknowledgement that alternative practices “may be utilized to accomplish the same objectives”—remain recommendations, not requirements.  Transocean’s complete comments are posted on their website.

I’ll withhold my comments on the above statements, except to say that my opinion differs substantially from Transocean’s.

More significantly, these and other recent industry and government comments demonstrate the complexity of standards policy issues. How are standards most effectively applied by operators in formulating safety management programs, operating plans, and safety cases? Contractors? How should deviations from standards be assessed and documented? How should regulators use standards? To what extent should standards be incorporated into regulations? What is the appropriate role for regulators in standards development? These issues may prove to be more challenging than updating technical requirements. Stay tuned!

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This excerpt from a University of Michigan article describes the engineer’s paradox:

For engineers, failure and risk have a special relationship. If they don’t take risks they never do anything new. But if they do take risks, their probability of failing increases. So engineers must welcome risk and the opportunity to learn from failure, but they must make every effort to succeed. This leaves engineers in the odd predicament of becoming less informed as they become more successful. In that light, bad judgment could be an invaluable but potentially lethal experience. Conversely, evidence shows that experience fosters good judgment – the longer people do something, the more likely they are to make decisions, and in making them they’ll acquire not just an appreciation for the difficulty of rendering good judgments but the skill to do it well.

Comments:

  1. Society is dependent on engineers taking risks. These risks can be managed, but not totally eliminated.
  2. The oil and gas that are produced offshore support economic development and technological advances that make our lives safer and cleaner.
  3. Importing energy transfers some risk to other locations, but does not reduce (and may actually increase) the overall risk associated with energy consumption.
  4. Experience matters. Optimal corporate and governmental risk management regimes emphasize the role of experts in making project-specific and programmatic decisions, and promote industry-government communication among specialists. Experience is not a conflict of interest!

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