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Posts Tagged ‘Gulf of Mexico’

Yesterday was not a good day for US offshore wind. Not only was the Gulf of Mexico wind lease sale disappointing, but Orsted announced US impairments of $2.3 billion causing their share price to fall to the lowest level in more than 4 years.

Unsurprisingly, Orsted management assumes no responsibility for the company’s poor performance, blaming supply chain problems, high interest rates and “a lack of new tax credits.” Outsiders might suggest that there were other factors such as irrational exuberance in the acquisition of wind leases at inflated prices, and unrealistic expectations regarding a complementary power source that is dependent on government mandates and subsidies.

“The situation in U.S. offshore wind is severe,” Chief Executive Mads Nipper told reporters on a conference call.

Reuters

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Genesis, which is being decommissioned, has been fully evacuated. BSEE will no doubt have information on all evacuations and shut-ins tomorrow.

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Lease Sale 261 stipulations

In addition to the lease stipulation, the entire expanded Brice’s whale area has been excluded from the lease sale. Senator Manchin strongly criticized that decision:

Let me be clear, the exclusion of more than 6 million productive acres from the upcoming offshore oil and gas lease sale in the Gulf of Mexico based on a settlement reached in the name of protecting Rice’s whale while conveniently only targeting oil and gas is yet another example of this Administration’s intentional undermining of the strong energy security provisions in the Inflation Reduction Act.

Senator Manchin

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Per our previous post, “Ominous signs for the future of Gulf of Mexico production,” Lars Herbst has plotted (below) deepwater GoM field discoveries dating back to the early days of deepwater drilling operations.

These are official USGS, MMS, and BOEM data (depending on the era) for field discoveries in >1000′ of water. Note that the last discovery was in March 2021.

This is a discouraging graphic given that the deepwater GoM is currently the only option for significant new US offshore production.

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For those interested in offshore history:

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Attached is a settlement agreement between NOAA and 4 NGOs that could have major implications for deepwater oil and gas operations in the Gulf of Mexico.

As background, the Rice’s Whale (formerly Bryde’s whale) area has been expanded (see map above) such that it fences off deepwater leases by creating a barrier to vessel transportation. The expansion is based on a single study that concluded that Rice’s whales were “the most plausible explanation” for moan calls observed in the northwest GOM shelf break area. No Brice’s whales were sighted in the expanded area during this study. The authors do point to a 2017 sighting offshore Corpus Christi, which is apparently the only actual sighting of a Brice’s whale along the NW GoM shelf break.

The settlement agreement commits BOEM, presumably with their concurrence, to exclude the expanded area from future leasing, to issue a Notice to Lessees and Operators (exhibit 1 below) and to attach stipulations to new leases (exhibit 2). Because BOEM’s authority to impose major new requirements without proposing a regulation for public review and comment is questionable, the Notice (NTL) describes the restrictions as “recommended measures.” However, the liability risks associated with the failure to comply with this “guidance” would be unacceptable to most companies. Adding to the muddle, the language in the lease stipulation differs by making it perfectly clear that compliance is required.

The most troubling restriction from an operational standpoint:

To the maximum extent practicable, lessees and operators should avoid transit through the Expanded Rice’s Whale Area after dusk and before dawn, and during other times of low visibility to further reduce the risk of vessel strike of Rice’s whales.

Comments:

  • Deepwater facilities are typically far from shore, and a requirement to transit only between dusk and dawn, particularly in the winter, is unrealistic and onerous. This is further complicated by the speed limit provision.
  • Those who have worked offshore know that periods of low visibility are unpredictable and can extend for days. The low visibility transit restriction is thus highly punitive and increases operational risks on the vessels and at the facilities they serve.
  • The vague “to the maximum extent practicable” caveat provides little comfort for planners, managers, and crews, and is a de facto acknowledgement that the requirement is unreasonable.
  • These restrictions, coupled with the required Automatic Identification System data, open the door to endless challenges, especially given the keen interest of the litigious organizations that are parties in the settlement agreement.
  • Deepwater GoM operations are few in number and highly dispersed, which is a more important mitigating factor than those included in the agreement. More on this tomorrow.
  • In addition to the deepwater operations that will be much more difficult to supply, there are currently 81 production platforms within the expanded Rice’s whale area (100 to 400 m water depth).These include important facilities like Amberjack, Cognac, Cerveza, and Lobster. What are the implications for these platforms? Will they be required to have full-time whale observers? Can they only be supplied during daylight hours with good visibility? Why not consider using these platforms as bases for more definitive studies?
  • Further to the previous point, there are 103 existing leases in the 100-400 m depth zone that is now excluded from leasing? 90 of these leases are still in their primary term, and 21 were issued in the past 2 years. How will the contractual rights of these leaseholders be protected? (In fact, the value of all 1550 active leases in >100 m water depth is affected by this agreement.)
  • Have BSEE and Coast Guard been consulted on the practicality and safety implications of these requirements?
  • Deepwater operations have been ongoing in the GoM for 50 years, and there is no apparent evidence of impacts to this species. Why can’t the consultation process and any necessary followup studies be completed before decisions are made regarding operating restrictions?
  • These types of restrictions, coupled with the diminished state of the Strategic Petroleum Reserve and tightening oil markets, raise serious energy security and economic concerns.

Finally, BOEM’s third footnote in the NTL (pasted below), doesn’t demonstrate great confidence in the need for the onerous requirements that are being imposed.

This is not meant to be construed as a blanket determination as to whether BOEM, at present, has determined that there is a “reason to believe” that incidental take may occur, within the meaning of the ESA, the consultation regulations, or BOEM’s regulations. Those decisions will be made on a case-by-case basis in accordance with BOEM regulations referenced below.” Comment: Huh??? How are these blanket restrictions case-by-case, and how are they being imposed without public review?

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As we approach the 4th of July, remember this:

In 1979 Gulf of Mexico oil production had declined to 263 million barrels and many believed that further declines were inevitable. 40 years later, a record 693 million barrels were produced.

Onshore, lateral drilling and hydraulic fracturing capabilities are continuing. As a result, Exxon and others are predicting projecting higher recovery factors in the Permian Basin. Per Exxon CEO Darren Woods: “We are beginning to see the signs of some very promising new technologies that will significantly improve recovery.”

Opportunity + Ingenuity ➡ Energy Independence + Prosperity

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As illustrated in the charts below, Cox has the distinction of being the Gulf of Mexico (world?) leader in aging offshore platforms. Per BOEM data, Cox (includes affiliates Energy XXI GOM and EPL) operates more than 1/4 of all GoM platforms. 44% of these platforms were installed prior to 1980, 114 of which are major structures (defined in notes below). 27 of these major structures were installed prior to 1960!

No information has been shared on the extent to which Cox or predecessor lessees are financially prepared to decommission these facilities. This could get rather uncomfortable for prior owners and the lessor (i.e. the Federal government). Keep in mind that the murky issue of predecessor liability for leases assigned prior to 1997 has not been addressed in the courts.

Notes: (1) A major structure contains at least 6 well completions or more than 2 pieces of production equipment. (2) The platform numbers in an earlier post are incomplete in that they include only structures with helidecks.

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A Metairie-based oil company that’s one of the largest independent operators still working in the state’s shallow coastal waters has filed for bankruptcy protection, leaving dozens of south Louisiana service and supply companies facing potential bankruptcies of their own.

Bankruptcy court documents show Cox’s estimated liabilities are close to $500 million – more than $200 million of which is owed to small businesses in the Houma-Thibodeaux and Acadiana areas.

Court documents indicate that Cox followed a path that led to financial trouble for other companies in recent years: using debt to acquire large fields of aging wells in shallow Gulf waters.

Nola.com

This blog is primarily concerned with the potential impacts of the bankruptcy on safety performance, the plugging of wells, and the decommissioning of old facilities. Per BOEM’s data base, Cox currently operates 276 Gulf of Mexico platforms, all in shallow shelf waters. The company is reported (Nola.com) to owe $8 million in bond premiums needed to support well plugging operations.

Cox has not been an active driller of late with only 2 well starts since 1/1/2022 (BSEE borehole file).

Cox has been a major generator of INCs (incidents of noncompliance) with 437 INCs YTD. Cox has been responsible for 47% of all GoM INCs in 2023. Cox’s INC to inspection ratio was 2.46 vs. a combined ratio of 0.50 (490/972) for all other GoM operators.

Cox is currently ranked 11th and 18th respectively in GoM gas and oil production with 7.2 billion cu ft and 1.8 million barrels produced YTD.

BOE previously commented on Cox’s pursuit of Dept. of Energy funds to develop a carbon sequestration hub in the Gulf.

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The NOIA/ICF report is favorable from a Gulf of Mexico perspective, but 2 general caveats should be highlighted:

  • “The estimation of the production related GHG for various crude oils and condensates is a complex process that is hindered by lack of public, up-to-date, and high-quality data.
  • “There is considerable controversy regarding certain critical data including quantity of gas flared, operational flare efficiencies, and the volumes of methane releases along oil and gas supply chains.”

Comments:

  • More work is needed to better determine cold venting volumes:
    • Table 7, p. 13, of the NOIA/ICF report indicates venting (methane) emissions of 71,200 metric tons/year for GoM operations. That number is aligned with the 2017 GOADS data (70,488 tons per Table 6-11, p. 112).
    • ONRR venting data are in the same ballpark as the ICF and GOADS data. Per ONRR data, 2.35 bcf (~61,000 metric tons) were vented in 2022.
    • The recent PNAS report found that much more gas is being vented: 410,000 – 810,000 tons annually. If the PNAS findings are accurate, venting is being significantly underestimated and/or under-reported.
    • Per ICF, lower flaring and venting volumes are the main reason for the GoM’s lower GHG emission intensity, so data accuracy is important. The difference between the government data and the PNAS findings (see table below) should be carefully assessed.
  • The NOIA/ICF report did not distinguish between GoM deepwater and shelf emissions.
    • The PNAS report indicates much higher methane emissions intensity on the shelf, as do most subjective assessments.
    • Future studies should provide separate GHG intensity data for shelf and deepwater facilities.
  • All production cannot be from the lowest emission intensity sources. The objective should be to minimize emissions from each source, not to eliminate production. GoM shelf operations have other advantages, most notably the production of nonassociated natural gas.
sourceGoM gas vented (annual in metric tons)
ICF report71,200
GOADS 201770,488
ONRR 2022 data61,000
PNAS report410,000 – 810,000

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