Articles | Volume 9, issue 6
https://doi.org/10.5194/se-9-1437-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-9-1437-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Dec 2018
Research article |
| 12 Dec 2018
| 12 Dec 2018
Formation of linear planform chimneys controlled by preferential hydrocarbon leakage and anisotropic stresses in faulted fine-grained sediments, offshore Angola
Sutieng Ho
CORRESPONDING AUTHOR
Department of Geosciences, National Taiwan University, P.O. Box 13-318, 106 Taipei, Taiwan
Total-CSTJF, Avenue Larribau, Pau 64000, France
Fluid Venting System Research Group, Nancy 54000, France
Martin Hovland
Center for Geobiology, University of Bergen, Postboks 7803, 5020 Bergen, Norway
Fluid Venting System Research Group, Nancy 54000, France
Jean-Philippe Blouet
CORRESPONDING AUTHOR
Unit of Earth Sciences, Fribourg University, Chemin du Musée 6, 1700 Fribourg, Switzerland
Fluid Venting System Research Group, Nancy 54000, France
Department of Geosciences, Université Libre de Bruxelles, Avenue Franklin Roosevelt 50, 1050 Brussels, Belgium
Andreas Wetzel
Geological Institute, University of Basel, Bernoullistrassse 32, 4056 Basel, Switzerland
Fluid Venting System Research Group, Nancy 54000, France
Patrice Imbert
Total-CSTJF, Avenue Larribau, Pau 64000, France
Fluid Venting System Research Group, Nancy 54000, France
Daniel Carruthers
CGG MCNV, GeoSolutions, Llandudno, North Wales, LL30 1SA, UK
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- Elongated Giant Seabed Polygons and Underlying Polygonal Faults as Indicators of the Creep Deformation of Pliocene to Recent Sediments in the Grenada Basin, Caribbean Sea A. Gay et al. 10.1029/2021GC009809
- First evidence of (paleo)pockmarks in the Bass Strait, offshore SE Australia: A forced regression modulated shallow plumbing system Y. Niyazi et al. 10.1016/j.marpetgeo.2022.105749
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- Structural controls on shallow fluid flow and associated pockmark fields in the East Breaks area, northern Gulf of Mexico C. Roelofse et al. 10.1016/j.marpetgeo.2019.104074
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- What makes seep carbonates ignore self-sealing and grow vertically: the role of burrowing decapod crustaceans J. Blouet et al. 10.5194/se-12-2439-2021
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- Are seep carbonates quantitative proxies of CH4 leakage? Modeling the influence of sulfate reduction and anaerobic oxidation of methane on pH and carbonate precipitation J. Blouet et al. 10.1016/j.chemgeo.2021.120254
23 citations as recorded by crossref.
- Active degassing across the Maltese Islands (Mediterranean Sea) and implications for its neotectonics A. Micallef et al. 10.1016/j.marpetgeo.2019.03.033
- Fluid conduits formed along burrows of giant bivalves at a cold seep site, Sounthern Taiwan J. Blouet et al. 10.1016/j.marpetgeo.2021.105123
- 3D seismic classification of fluid escape pipes in the western Exmouth Plateau, North West Shelf of Australia S. Ruge et al. 10.1144/jgs2020-096
- Determining 3D seismic characteristics of the conduit system of the Changchang sag, Qiongdongnan Basin Y. Li et al. 10.1190/INT-2019-0205.1
- Seismic evidence for repeated vertical fluid flow through polygonally faulted strata in the Canterbury Basin, New Zealand J. Hoffmann et al. 10.1016/j.marpetgeo.2019.06.025
- A preliminary study on geomorphological characteristics and genetic mechanism of pockmarks in the Makran accretionary prism, northern Arabian Sea Z. Zhang et al. 10.1007/s00367-021-00704-9
- Seal failure and fluid flow in salt-bearing sedimentary basins: A critical example from the Espírito Santo basin, SE Brazil Z. Tao & T. Alves 10.1016/j.marpetgeo.2023.106460
- Control by preexisting morphology on layer-bound faults in the southern Qiongdongnan Basin, NW South China Sea X. Yang et al. 10.1016/j.jsg.2024.105262
- Shallow seismic imaging of sub-seafloor structures off the subsiding area of Linbian estuary in Pingtung, SW Taiwan: implications for recent tectonic activities and focused fluid migrations S. Ho et al. 10.1007/s11001-023-09532-1
- Elongated Giant Seabed Polygons and Underlying Polygonal Faults as Indicators of the Creep Deformation of Pliocene to Recent Sediments in the Grenada Basin, Caribbean Sea A. Gay et al. 10.1029/2021GC009809
- First evidence of (paleo)pockmarks in the Bass Strait, offshore SE Australia: A forced regression modulated shallow plumbing system Y. Niyazi et al. 10.1016/j.marpetgeo.2022.105749
- Distribution and characteristics of gas chimneys in the passive margin offshore SW Taiwan W. Han et al. 10.1007/s11001-021-09447-9
- Geometry and evolution of polygonal fault systems under a regionally anisotropic stress field: Insights from 3D seismic analysis of the Qiongdongnan Basin, NW South China Sea S. Hu et al. 10.1111/bre.12855
- Differences of Polygonal Faults with Irregularly Polygonal Geometries: A Case Study from the Changchang Sag of Qiongdongnan Basin, Northern South China Sea Y. Li et al. 10.1007/s11802-023-5285-2
- Identification of the vertical sealing of faults by geochemical methods—taking the Zhu-3 sub-basin of the Pearl River Mouth Basin as an example X. Fu et al. 10.1007/s12517-021-09341-z
- Structural controls on shallow fluid flow and associated pockmark fields in the East Breaks area, northern Gulf of Mexico C. Roelofse et al. 10.1016/j.marpetgeo.2019.104074
- Improved method for quantitative evaluation of fault vertical sealing: A case study from the eastern Pinghu Slope Belt of the Xihu Depression, East China Sea Shelf Basin F. Wang et al. 10.1016/j.marpetgeo.2021.105224
- What makes seep carbonates ignore self-sealing and grow vertically: the role of burrowing decapod crustaceans J. Blouet et al. 10.5194/se-12-2439-2021
- How do fault systems and seafloor bathymetry influence the structure and distribution characteristics of gas chimneys? B. Zhang et al. 10.1111/bre.12770
- Three-dimensional seismic analysis of a polygonal fault system (PFS) in the Northern Carnarvon Basin, Australia: Implications for fluid flow migration and gas hydrate system Z. Zeng et al. 10.1016/j.petrol.2022.110602
- Penecontemporaneous polygonal faulting triggered by sand overloading onto unconsolidated clays: Evidence from the northern South China Sea Q. Meng & F. Hao 10.1111/bre.12853
- Differences of polygonal faults related to upper Miocene channels: a case study from the Beijiao sag of Qiongdongnan basin, South China Sea Y. Li et al. 10.1007/s00343-021-1249-9
- Are seep carbonates quantitative proxies of CH4 leakage? Modeling the influence of sulfate reduction and anaerobic oxidation of methane on pH and carbonate precipitation J. Blouet et al. 10.1016/j.chemgeo.2021.120254
Discussed (final revised paper)
Discussed (preprint)
Latest update: 23 Nov 2024
Short summary
A newly discovered type of hydrocarbon leakage structure is investigated following the preliminary works of Ho (2013; et al. 2012, 2013, 2016): blade-shaped gas chimneys instead of classical cylindrical ones. These so-called
Linear Chimneysare hydraulic fractures caused by overpressured hydrocarbon fluids breaching cover sediments along preferential directions. These directions are dictated by anisotropic stresses induced by faulting in sediments and pre-existing salt-diapiric structures.
A newly discovered type of hydrocarbon leakage structure is investigated following the...
