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Posts Tagged ‘oil and gas reserves’

“The Bureau of Ocean Energy Management’s analysis reveals an additional 1.30 billion barrels of oil equivalent since 2021, bringing the total reserve estimate to 7.04 billion barrels of oil equivalent. This includes 5.77 billion barrels of oil and 7.15 trillion cubic feet of natural gas—a 22.6% increase in remaining recoverable reserves.” 

YearNumber of fieldsOriginal ReservesHistorical Cumulative ProductionReserves
Oil BbblGas TcfBOE BbblOil BbblGas TcfBOE BbblOil BbblGas TcfBOE Bbbl
19752556.6159.917.33.8227.28.662.7932.78.61
19804358.0488.923.94.9948.713.663.0540.210.20
198557510.63116.731.46.5871.119.234.0545.612.16
199078210.64129.933.88.1193.824.802.5336.18.95
199589912.01144.937.89.68117.430.572.3327.57.22
20001,05014.93167.344.711.93142.737.323.0024.67.38
20051,19619.80181.852.214.61163.943.775.1917.98.38
20101,28221.50191.155.517.11179.349.014.3911.86.49
20151,31223.06193.857.619.58186.552.783.487.34.78
20161,31523.73194.658.420.16187.553.583.576.84.79
20171,31924.65195.259.720.78188.954.213.876.35.00
20181,31924.86195.559.721.42189.855.213.445.74.45
20191,32526.77197.061.822.12190.956.094.656.15.74
20231,33630.43201.266.224.66194.059.195.777.27.04
Oil and gas reserves and cumulative production at end of year, 1975-2023, Gulf of America, Outer Continental Shelf and Slope. “Oil” includes crude oil and condensate; “gas” includes associated and non-associated gas. Reserves estimated as of December 31 each year.

This increase in reserves will not please those responsible for the current 5 Year Oil and Gas Leasing Plan. They told us that we don’t need more OCS lease sales and that our biggest concern is producing too much oil and gas for too long!

Page 6 of the Leasing Plan:

The long-term nature of OCS oil and gas development, such that production on a lease may not begin for a decade or more after lease issuance and can continue for decades, makes consideration of net-zero pathways relevant to the Secretary’s determinations on how the National OCS Program best meets the Nation’s energy needs.

Energy experts like Dan Yergin and Vicki Hollub have a much different view. Per Hollub:

Crude reserves are being found and developed at a much slower pace than they’ve been in the past. Specifically, she said the world has only newly identified less than half the amount of crude it’s consumed over the course of the past 10 years. Given the current trends, this means demand will exceed supply before the end of 2025.

A bit off-topic, but Jeff Walker, a former colleague and the MMS Regional Supervisor in Alaska, had the best quip about reserve numbers. In explaining an operator’s revised reserve numbers for a producing unit which had leases with different royalty rates, Jeff noted that “oil always migrates to the lower royalty leases.”😉

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The final decommissioning financial assurance rule has been published and is largely unchanged from the proposed rule that we reviewed last summer.

Major concerns:

  • Despite ample evidence regarding the importance of compliance and safety performance in determining the need for supplemental financial assurance, BOEM has dropped all consideration of these factors. Did BSEE field personnel concur with this decision?
  • Proved reserves should not be a basis for reducing supplemental assurance. The uncertainty associated with reserve estimates and decommissioning costs can easily negate the assumed buffer in BOEM’s 3 to 1 reserves to decommissioning costs ratio. That approach failed completely at the Carpinteria Field in the Santa Barbara Channel (Platforms Hogan and Houchin). See other points on this issue.
  • Given that the reverse chronological order process for determining predecessor liability was dropped from consideration last April, there is no defined procedure for issuing decommissioning orders to prior owners. The absence of such a procedure increases the likelihood of confusion, inequity, and challenges, particularly when orders are first issued to companies that owned the leases decades ago, in some cases prior to the establishment of transferor liability in the 1997 MMS “bonding rule.”

BOEM’s concern (below) about investment in US offshore exploration and production is interesting given that their 5 year leasing plan strongly implies otherwise.

BOEM’s goal for its financial assurance program continues to be the protection of the American taxpayers from exposure to financial loss associated with OCS development, while ensuring that the financial assurance program does not detrimentally affect offshore investment or position American offshore exploration and production at a competitive disadvantage

final decommissioning rule, p. 40

I’m just guessing here, but my sense is that BOEM was pressured to finalize this rule in a timely manner (<10 months is timely for such a complex rule) and was thus reluctant to make any significant changes to the proposal published last summer. A public workshop during the comment period would have been a good idea to facilitate informed discussion on the important issues addressed in this rule. Such workshops were once commonplace for major rules.

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The attached comments were submitted to BOEM via Regulations.gov. The comments address specific provisions of the proposed rule and include a recommendation to hold companies fully accountable for their lease transfers, but not for subsequent transfers in which they are not a party.

Do I get a t-shirt for being one of the first 2000 entries? 😀

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BOEM just released their update of Gulf of Mexico OCS oil and gas reserves as of 12/31/2019. Oil reserves increased by 35.2% as a result of 6 new fields being added.

The reserve additions are necessary and welcome given the high depletion rates from 2002 to 2018 when reserves (plotted above) declined steeply while production rates held steady or increased. The concerns about the sustainability of current GoM production rates, as expressed in our 7/26/2021 post, remain given the historically low levels of exploratory drilling. For the reasons presented in that post, our view is that the importance of GoM production will increase, not decrease, over the next decade.

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