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Archive for the ‘accidents’ Category

There are a number of recent articles related to the Guyana Supreme Court ruling on Exxon’s financial assurance obligations. An Oil Now piece (quoted below) is the most informative. It seems that the Supreme Court decision is based on a provision of Exxon’s EPA permit and that EPA is siding with Exxon in this dispute.

The Guyana government and the Environmental Protection Agency (EPA) are set to appeal a recent Guyana Supreme Court ruling that determined that the EPA and ExxonMobil affiliate, Esso Exploration and Production Guyana Limited (EEPGL), breached the terms of the Liza 1 environmental permit. The permit was revised and granted to EEPGL last year for operations in the Stabroek Block, offshore Guyana.

Justice Sandil Kissoon granted several declarations, including that the EPA failed to enforce compliance by EEPGL of its Financial Assurance obligations to provide an unlimited Parent Company Guarantee Agreement and/or Affiliate Company Guarantee Agreement to indemnify and keep indemnified the EPA and the Government of Guyana against all environmental obligations of the Permit Holder (EEPGL) and Co-Venturers (Hess and CNOOC) within the Stabroek Block.

While acknowledging the court’s ruling, the Government of Guyana, as a major stakeholder, maintained in a statement that the Environmental Permit imposes no obligation on the Permit Holder to provide an unlimited Parent Company Guarantee Agreement and/or Affiliate Company Guarantee Agreement. The government believes that Justice Kissoon erred in his findings and that the ruling could have significant economic and other impacts on the public interest and national development.

OIlNow

Unlimited liability is a rather daunting and open-ended obligation that would trouble permittees in any industry.

In the US, the liability for oil spill cleanup costs is unlimited for offshore facilities, but there is a liability cap for the resulting damages. That cap is currently $167.8 million after a recent inflation adjustment. BP, of course, paid far more than that for damages associated with the Macondo blowout. BP’s costs, which amounted to an astounding $61.6 billion, were both voluntary and compulsory as a result of agreements and settlements. Keep in mind that the damage liability limit was only $75 million at the time. One can imagine what would have happened if a company with less financial strength or more inclination to fight had been responsible for the spill.

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Sharing this touching tribute to the 11 men who died on the Deepwater Horizon on April 20, 2010. These American heroes gave their lives exploring for energy to power our economy. The video is introduced by singer Trace Atkins, a former Gulf of Mexico rig worker. Please take a moment to watch.

Other Macondo posts.

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BOE continues to call for an International Offshore Safety Day each year on April 20th.

Proposal: Let’s make April 20th International Offshore Safety Day to honor those who have been killed or injured, to recognize the many workers who provide energy for our economies and way of life, and to encourage safety leadership by all offshore operators, contractors, and service companies.

BOE

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4/17/2023 NTSB data base search results:

Preliminary report

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This picture was posted by MaritmePhoto. The”Blue Marlin” heavy lift vessel is arriving in Texas (2005) with the massive semisubmersible production platform “Thunder Horse” on board.

Above (from BOE archives): Pre-commissioning inspection of Thunder Horse

Thunder Horse has a most interesting history. The project was initially named Crazy Horse, but the name was changed out of respect for concerns raised by the Lakota nation. The massive structure is 136 m in length and 113 m in width, and is located in 6300′ of water in the Mississippi Canyon area of the Gulf of Mexico.

Many of you no doubt remember the near disaster during Hurricane Dennis (2005) when the platform was being commissioned. In light of the extensive pre-production hype for the “world’s largest production platform,” this was a costly and embarrassing incident for BP and the OCS program.

Per the findings of the MMS investigation team led by my former colleague David Dykes:

Findings indicate that failures associated with the hydraulic control system and its isolation on evacuation led to the partial opening of multiple hydraulically actuated valves in the ballast and bilge systems of the vessel. This allowed ballast water migration to take place, causing the initial listing (to approximately 16 degrees) of the vessel shortly after the hydraulic system was isolated.

The findings also indicate that ballast water migrated into manned spaces in the lower hull, via faulty and improperly installed check valves in the integrated ballast/bilge piping system. As the degree of list increased beyond the 16 degree mark, downflooding of seawater occurred, initially through overboard discharge lines and/or vents, and possibly later through the deck box as it entered the water. Since the PDQ was already listing at a 16 degree angle prior to the passage of Hurricane Dennis, wave action associated with the passage of the hurricane may also have contributed to the downflooding of seawater.

Although not an initiating event, failed Multiple Cable Transits (MCTs) and two unintended openings in the bulkheads allowed water transfer between watertight compartments, which led to extensive flooding and water damage in the lower hull.

Fortunately, there were no injuries. Repairs were made and production was finally initiated in June 2008.

After recent subsea tieback expansions, Thunder Horse is reported to be producing 200,000+ boe/d. OPEC’s Monthly Market Report for April 2023 cites the Thunder Horse expansion as a key driver in the January 2023 GoM production increase (see excerpt below).

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HOUSTON, April 10, 2023 (GLOBE NEWSWIRE) — Amplify Energy Corp. (“Amplify” or the “Company”) (NYSE: AMPY) today announced that it has received the required approvals from federal regulatory agencies to restart operations at the Beta Field. Initial steps to resume full operations will involve filling the San Pedro Bay Pipeline with production, a process which commenced over the past weekend and is expected to take approximately two weeks to complete. Following the line fill process, the pipeline will be operated in accordance with the restart procedures that were reviewed and approved by the Pipeline and Hazardous Materials Safety Administration (PHMSA).

Amplify Energy

Odd that the news release didn’t mention BSEE, the agency which would have had to approve the resumption of production.

18 months after the pipeline spill near Huntington Beach, settlements have been reached, fines have been paid, and production from the Beta Unit has resumed, but the Federal investigation report is still unavailable. Why?

Also, per our 10/6/2021 post:

One would hope that this spill will lead to an independent review of the regulatory regime for offshore pipelines. Consideration should be given to designating a single regulator that is responsible and accountable for offshore pipeline safety (a joint authority approach might also merit consideration) and developing a single set of clear and consistent regulations.

 

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Cheryl Anderson took oil spill data analysis to a level worthy of a world class offshore program. In my opinion, Cheryl was the top analyst in the history of the OCS program, a true Hall of Famer. Regardless of the politics of the day, she always stuck to the facts and resisted “spin,” and that was a trait her colleagues greatly admired.

Cheryl retired at the end of 2010 and her final update, with assistance from 2 other OCS program icons, Melinda Mayes and Bob LaBelle, was published in June 2012. That update is attached.

ITOPF also deserves mention for their comprehensive tanker spill data. A recent chart is pasted below. ITOPF’s data are nicely presented on their website. No such data are available for international offshore production.

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15 years ago the Minerals Management Service pushed hard for better offshore medevac capabilities. Harlan King, the father of an offshore worker whose injuries were exacerbated by the delayed medical response, was the main impetus behind this effort. The industry responded favorably and Mr. King, BP, and Petroleum Helicopters Inc received Offshore Leadership Awards in 2009 for their initiatives. This 2009 article describes PHI’s dedicated medevac capabilities at the time.

The number of “non-occupational” fatalities (at least 6) at US OCS facilities in 2021 suggests that medical care and evacuation capabilities are once again a concern. BSEE is therefore applauded for their medical evacuation assessment initiative. Their recent presentation is attached.

BSEE’s presentation describes 6 more “non-operational” fatalities in 2022, and raises concerns about CPR training deficiencies, evacuation challenges posed by stairways, and the absence of medics at some facilities. BSEE’s findings (pages 14-21 of the presentation) are eye-opening and merit the attention of all operators, contractors, and others interested in offshore facility safety.

While historical data on health-related OCS fatalities are not readily available, 12 such fatalities over the past 2 years seems high relative to past experience, particularly given that the total number of hours worked has declined by more than 50% since 2011. As suggested in our 2 February post, further investigation into this disturbing trend is warranted. Given the sensitivity of the topic, it would seem best for the Coast Guard and BSEE, with appropriate medical assistance, to conduct this review.

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Per yesterday’s post, below are US OCS fatality data from a 2014 presentation. Ten year intervals were selected for 1975-2004. The longer 1953-1974 era was selected so the activity indicators (well starts and production) would be comparable with the next 3 intervals. The last interval (2005-2013) was limited because the presentation was prepared in 2014.

Fire/explosion fatalities exceeded fall/struck fatalities only in the first interval (1953-1974). As one would expect, the fire/explosion deaths were associated with a limited number of better known incidents (e.g. Main Pass 41, Bay Marchand, Macondo). While the overall trend is favorable, fall/struck incidents and helicopter fatalities at offshore platforms have proven to be more chronic.

I hope to update these data in the not too distant future.

  

 

 

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The most common causes of offshore fatalities and serious injuries, falls and being struck by equipment, receive little media attention because there is no blowout, oil spill, or fire. However, these are often the most difficult types of incidents to understand and prevent. Human and organizational factors predominate, and prevention is dependent on a strong culture that emphasizes worker engagement, awareness, teamwork and mutual support, effective training and employee development, risk assessment at the job, facility, company, and industry levels, stop-work authority, innovation, and continuous improvement.

This new BSEE Safety Alert addresses such a fatal incident on the Pacific Khamsin drilling rig, and makes recommendations that have widespread applicability.

Incident summary:

While unlatching the lower Marine Riser Package from the Blowout Preventor in preparation for ship relocation, a crewmember was lifted into the air after being struck by a hydraulic torque wrench (HTW), hitting a riser clamp approximately six feet above the elevated work deck before falling to the rig floor. The crew member was given first aid and transported to the drillship’s hospital, where he was later pronounced deceased.

In an upcoming post, BOE will provide historical fatality data by cause and operations category.

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