Environmental Impacts of the Deep-Water Oil and Gas Industry

A Review to Guide Management Strategies

Erik E. Cordes, Daniel O. B. Jones, Thomas A. Schlacher, Diva J. Amon, Angelo F. Bernardino, Sandra Brooke, Robert Carney, Danielle M. DeLeo, Katherine M. Dunlop, Elva G. Escobar-Briones, Andrew R. Gates, Luciana Génio, Judith Gobin, Lea-Anne Henry, Santiago Herrera, Sarah Hoyt, Mandy Joye, Salit Kark, Nélia C. Mestre, Anna Metaxas & 4 others Simone Pfeifer, Kerry Sink, Andrew K. Sweetman, Ursula Witte

Research output: Contribution to journalArticle

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Abstract

The industrialization of the deep sea is expanding worldwide. Expanding oil and gas exploration activities in the absence of sufficient baseline data in these ecosystems has made environmental management challenging. Here, we review the types of activities that are associated with global offshore oil and gas development in water depths over 200 m, the typical impacts of these activities, some of the more extreme impacts of accidental oil and gas releases, and the current state of management in the major regions of offshore industrial activity including 18 exclusive economic zones. Direct impacts of infrastructure installation, including sediment resuspension and burial by seafloor anchors and pipelines, are typically restricted to a radius of approximately 100 m on from the installation on the seafloor. Discharges of water-based and low-toxicity oil-based drilling muds and produced water can extend over 2 km, while the ecological impacts at the population and community levels on the seafloor are most commonly on the order of 200-300 m from their source. These impacts may persist in the deep sea for many years and likely longer for its more fragile ecosystems, such as cold-water corals. This synthesis of information provides the basis for a series of recommendations for the management of offshore oil and gas development. An effective management strategy, aimed at minimizing risk of significant environmental harm, will typically encompass regulations of the activity itself (e.g. discharge practices, materials used), combined with spatial (e.g. avoidance rules and marine protected areas) and temporal measures (e.g. restricted activities during peak reproductive periods). Spatial management measures that encompass representatives of all of the regional deep-sea community types is important in this context. Implementation of these management strategies should consider minimum buffer zones to displace industrial activity beyond the range of typical impacts: at least 2 km from any discharge points and surface infrastructure and 200 m from seafloor infrastructure with no expected discharges. Although managing natural resources is, arguably, more challenging in deep-water environments, inclusion of these proven conservation tools contributes to robust environmental management strategies for oil and gas extraction in the deep sea.
Original languageEnglish
Article number58
Pages (from-to)1-26
Number of pages26
JournalFrontiers in Environmental Science
Volume4
Early online date22 Aug 2016
DOIs
Publication statusPublished - 16 Sep 2016

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water industry
gas industry
oil industry
environmental impact
deep water
deep sea
oil
seafloor
gas
infrastructure
environmental management
Exclusive Economic Zone
ecosystem
buffer zone
ecological impact
resuspension
anchor
cold water
industrialization
protected area

Keywords

  • offshore drilling
  • deep sea
  • environmental impacts
  • benthic communities
  • cold-water corals
  • chemosynthetic ecosystems
  • environmental policy
  • marine spatial planning

Cite this

Environmental Impacts of the Deep-Water Oil and Gas Industry : A Review to Guide Management Strategies. / Cordes, Erik E.; Jones, Daniel O. B.; Schlacher, Thomas A.; Amon, Diva J. ; Bernardino, Angelo F.; Brooke, Sandra ; Carney, Robert ; DeLeo, Danielle M. ; Dunlop, Katherine M. ; Escobar-Briones, Elva G. ; Gates, Andrew R.; Génio, Luciana ; Gobin, Judith ; Henry, Lea-Anne; Herrera, Santiago; Hoyt, Sarah; Joye, Mandy; Kark, Salit; Mestre, Nélia C.; Metaxas, Anna; Pfeifer, Simone; Sink, Kerry; Sweetman, Andrew K.; Witte, Ursula.

In: Frontiers in Environmental Science, Vol. 4, 58, 16.09.2016, p. 1-26.

Research output: Contribution to journalArticle

Cordes, EE, Jones, DOB, Schlacher, TA, Amon, DJ, Bernardino, AF, Brooke, S, Carney, R, DeLeo, DM, Dunlop, KM, Escobar-Briones, EG, Gates, AR, Génio, L, Gobin, J, Henry, L-A, Herrera, S, Hoyt, S, Joye, M, Kark, S, Mestre, NC, Metaxas, A, Pfeifer, S, Sink, K, Sweetman, AK & Witte, U 2016, 'Environmental Impacts of the Deep-Water Oil and Gas Industry: A Review to Guide Management Strategies', Frontiers in Environmental Science, vol. 4, 58, pp. 1-26. https://doi.org/10.3389/fenvs.2016.00058
Cordes, Erik E. ; Jones, Daniel O. B. ; Schlacher, Thomas A. ; Amon, Diva J. ; Bernardino, Angelo F. ; Brooke, Sandra ; Carney, Robert ; DeLeo, Danielle M. ; Dunlop, Katherine M. ; Escobar-Briones, Elva G. ; Gates, Andrew R. ; Génio, Luciana ; Gobin, Judith ; Henry, Lea-Anne ; Herrera, Santiago ; Hoyt, Sarah ; Joye, Mandy ; Kark, Salit ; Mestre, Nélia C. ; Metaxas, Anna ; Pfeifer, Simone ; Sink, Kerry ; Sweetman, Andrew K. ; Witte, Ursula. / Environmental Impacts of the Deep-Water Oil and Gas Industry : A Review to Guide Management Strategies. In: Frontiers in Environmental Science. 2016 ; Vol. 4. pp. 1-26.
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abstract = "The industrialization of the deep sea is expanding worldwide. Expanding oil and gas exploration activities in the absence of sufficient baseline data in these ecosystems has made environmental management challenging. Here, we review the types of activities that are associated with global offshore oil and gas development in water depths over 200 m, the typical impacts of these activities, some of the more extreme impacts of accidental oil and gas releases, and the current state of management in the major regions of offshore industrial activity including 18 exclusive economic zones. Direct impacts of infrastructure installation, including sediment resuspension and burial by seafloor anchors and pipelines, are typically restricted to a radius of approximately 100 m on from the installation on the seafloor. Discharges of water-based and low-toxicity oil-based drilling muds and produced water can extend over 2 km, while the ecological impacts at the population and community levels on the seafloor are most commonly on the order of 200-300 m from their source. These impacts may persist in the deep sea for many years and likely longer for its more fragile ecosystems, such as cold-water corals. This synthesis of information provides the basis for a series of recommendations for the management of offshore oil and gas development. An effective management strategy, aimed at minimizing risk of significant environmental harm, will typically encompass regulations of the activity itself (e.g. discharge practices, materials used), combined with spatial (e.g. avoidance rules and marine protected areas) and temporal measures (e.g. restricted activities during peak reproductive periods). Spatial management measures that encompass representatives of all of the regional deep-sea community types is important in this context. Implementation of these management strategies should consider minimum buffer zones to displace industrial activity beyond the range of typical impacts: at least 2 km from any discharge points and surface infrastructure and 200 m from seafloor infrastructure with no expected discharges. Although managing natural resources is, arguably, more challenging in deep-water environments, inclusion of these proven conservation tools contributes to robust environmental management strategies for oil and gas extraction in the deep sea.",
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T1 - Environmental Impacts of the Deep-Water Oil and Gas Industry

T2 - A Review to Guide Management Strategies

AU - Cordes, Erik E.

AU - Jones, Daniel O. B.

AU - Schlacher, Thomas A.

AU - Amon, Diva J.

AU - Bernardino, Angelo F.

AU - Brooke, Sandra

AU - Carney, Robert

AU - DeLeo, Danielle M.

AU - Dunlop, Katherine M.

AU - Escobar-Briones, Elva G.

AU - Gates, Andrew R.

AU - Génio, Luciana

AU - Gobin, Judith

AU - Henry, Lea-Anne

AU - Herrera, Santiago

AU - Hoyt, Sarah

AU - Joye, Mandy

AU - Kark, Salit

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AU - Pfeifer, Simone

AU - Sink, Kerry

AU - Sweetman, Andrew K.

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N1 - The authors would like to thank the leadership of the Deep Ocean Stewardship Initiative (DOSI), including Lisa Levin, Maria Baker, and Kristina Gjerde, for their support in developing this review. This work evolved from a meeting of the DOSI Oil and Gas working group supported by the J.M. Kaplan Fund, and associated with the Deep-Sea Biology Symposium in Aveiro, Portugal in September 2015. The members of the Oil and Gas working group that contributed to our discussions at that meeting or through the listserve are acknowledged for their contributions to this work. We would also like to thank the three reviewers and the editor who provided valuable comments and insight into the work presented here. DJ and AD were supported by funding from the European Union's Horizon 2020 research and innovation programme under the MERCES (Marine Ecosystem Restoration in Changing European Seas) project, grant agreement No 689518. AB was supported by CNPq grants 301412/2013-8 and 200504/2015-0. LH acknowledges funding provided by a Natural Environment Research Council grant (NE/L008181/1). This output reflects only the authors' views and the funders cannot be held responsible for any use that may be made of the information contained therein.

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N2 - The industrialization of the deep sea is expanding worldwide. Expanding oil and gas exploration activities in the absence of sufficient baseline data in these ecosystems has made environmental management challenging. Here, we review the types of activities that are associated with global offshore oil and gas development in water depths over 200 m, the typical impacts of these activities, some of the more extreme impacts of accidental oil and gas releases, and the current state of management in the major regions of offshore industrial activity including 18 exclusive economic zones. Direct impacts of infrastructure installation, including sediment resuspension and burial by seafloor anchors and pipelines, are typically restricted to a radius of approximately 100 m on from the installation on the seafloor. Discharges of water-based and low-toxicity oil-based drilling muds and produced water can extend over 2 km, while the ecological impacts at the population and community levels on the seafloor are most commonly on the order of 200-300 m from their source. These impacts may persist in the deep sea for many years and likely longer for its more fragile ecosystems, such as cold-water corals. This synthesis of information provides the basis for a series of recommendations for the management of offshore oil and gas development. An effective management strategy, aimed at minimizing risk of significant environmental harm, will typically encompass regulations of the activity itself (e.g. discharge practices, materials used), combined with spatial (e.g. avoidance rules and marine protected areas) and temporal measures (e.g. restricted activities during peak reproductive periods). Spatial management measures that encompass representatives of all of the regional deep-sea community types is important in this context. Implementation of these management strategies should consider minimum buffer zones to displace industrial activity beyond the range of typical impacts: at least 2 km from any discharge points and surface infrastructure and 200 m from seafloor infrastructure with no expected discharges. Although managing natural resources is, arguably, more challenging in deep-water environments, inclusion of these proven conservation tools contributes to robust environmental management strategies for oil and gas extraction in the deep sea.

AB - The industrialization of the deep sea is expanding worldwide. Expanding oil and gas exploration activities in the absence of sufficient baseline data in these ecosystems has made environmental management challenging. Here, we review the types of activities that are associated with global offshore oil and gas development in water depths over 200 m, the typical impacts of these activities, some of the more extreme impacts of accidental oil and gas releases, and the current state of management in the major regions of offshore industrial activity including 18 exclusive economic zones. Direct impacts of infrastructure installation, including sediment resuspension and burial by seafloor anchors and pipelines, are typically restricted to a radius of approximately 100 m on from the installation on the seafloor. Discharges of water-based and low-toxicity oil-based drilling muds and produced water can extend over 2 km, while the ecological impacts at the population and community levels on the seafloor are most commonly on the order of 200-300 m from their source. These impacts may persist in the deep sea for many years and likely longer for its more fragile ecosystems, such as cold-water corals. This synthesis of information provides the basis for a series of recommendations for the management of offshore oil and gas development. An effective management strategy, aimed at minimizing risk of significant environmental harm, will typically encompass regulations of the activity itself (e.g. discharge practices, materials used), combined with spatial (e.g. avoidance rules and marine protected areas) and temporal measures (e.g. restricted activities during peak reproductive periods). Spatial management measures that encompass representatives of all of the regional deep-sea community types is important in this context. Implementation of these management strategies should consider minimum buffer zones to displace industrial activity beyond the range of typical impacts: at least 2 km from any discharge points and surface infrastructure and 200 m from seafloor infrastructure with no expected discharges. Although managing natural resources is, arguably, more challenging in deep-water environments, inclusion of these proven conservation tools contributes to robust environmental management strategies for oil and gas extraction in the deep sea.

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KW - deep sea

KW - environmental impacts

KW - benthic communities

KW - cold-water corals

KW - chemosynthetic ecosystems

KW - environmental policy

KW - marine spatial planning

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