Search Results - "Pecher, I"

Analysing sand-dominated channel systems for potential gas-hydrate-reservoirs using an AVO seismic inversion technique on the Southern Hikurangi Margin, New Zealand by Fohrmann, M., Pecher, I.A.

“…Gas hydrates have recently been recognised as a class of unconventional petroleum resource and the economic viability of gas production from hydrates is now…”
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A Fluid Pulse on the Hikurangi Subduction Margin: Evidence From a Heat Flux Transect Across the Upper Limit of Gas Hydrate Stability by Pecher, I. A., Villinger, H., Kaul, N., Crutchley, G. J., Mountjoy, J. J., Huhn, K., Kukowski, N., Henrys, S. A., Rose, P. S., Coffin, R. B.

“…A transect of seafloor heat probe measurements on the Hikurangi Margin shows a significant increase of thermal gradients upslope of the updip limit of gas…”
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Reply to Comments by N. Sultan on “Sedimentation Controls on Methane‐Hydrate Dynamics Across Glacial/Interglacial Stages: An Example From International Ocean Discovery Program Site U1517, Hikurangi Margin” by E. J. Screaton, M. E. Torres, B. Dugan, K. U. Heeschen, J. J. Mountjoy, C. Ayres, P. S. Rose, I. A. Pecher, P. M. Barnes, L. J. LeVay

“…Abstract Screaton et al. (2019, https://doi.org/10.1029/2019GC008603) examined the role of sedimentation, sea level, and bottom water temperature (BWT) changes…”
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Introduction to Special Issue on Gas Hydrate in Porous Media: Linking Laboratory and Field‐Scale Phenomena by Ruppel, C. D., Lee, J. Y., Pecher, I.

“…The proliferation of drilling expeditions focused on characterizing natural gas hydrate as a potential energy resource has spawned widespread interest in gas…”
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Gas migration into gas hydrate-bearing sediments on the southern Hikurangi margin of New Zealand by Crutchley, G. J., Fraser, D. R. A., Pecher, I. A., Gorman, A. R., Maslen, G., Henrys, S. A.

“…We present multichannel seismic data from New Zealand's Hikurangi subduction margin that show widespread evidence for gas migration into the field of gas…”
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Erosion of the seafloor at the top of the gas hydrate stability zone on the Hikurangi Margin, New Zealand by Pecher, I. A., Henrys, S. A., Ellis, S., Chiswell, S. M., Kukowski, N.

“…The dissociation of gas hydrates in sediment pores is thought to decrease seafloor strength potentially facilitating submarine slides because of the generation…”
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Investigating the Basal Shear Zone of the Submarine Tuaheni Landslide Complex, New Zealand: A Core‐Log‐Seismic Integration Study by Crutchley, G. J., Elger, J., Kuhlmann, J., Mountjoy, J. J., Orpin, A., Georgiopoulou, A., Carey, J., Dugan, B., Cardona, S., Han, S., Cook, A., Screaton, E. J., Pecher, I. A., Barnes, P., Huhn, K.

“…Although submarine landslides have been studied for decades, a persistent challenge is the integration of diverse geoscientific datasets to characterize…”
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Modelling gas hydrate production potential in the Hikurangi margin by Archer, R, Abraham, L, Pecher, I, Fohrmann, M

“…A TOUGH + HYDRATE flow model analogous of hydrate deposits in the Hikurangi margin has been constructed using the best available estimates of permeability,…”
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Thermal evolution of the New Zealand Hikurangi subduction margin: Impact on natural gas generation and methane hydrate formation – A model study by Kroeger, K.F., Plaza-Faverola, A., Barnes, P.M., Pecher, I.A.

“…We present an integrated 2D model of thermal and microbial generation of methane, migration into the gas hydrate stability zone (HSZ), and formation of methane…”
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Possible link between weak bottom simulating reflections and gas hydrate systems in fractures and macropores of fine-grained sediments: Results from the Hikurangi Margin, New Zealand by Bai, Haunxin, Pecher, I.A., Adam, L., Field, B.

“…Small amounts of free gas in interstitial sediment pores are known to significantly lower compressional (P-) wave velocity (Vp). This effect, combined with…”
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Testing proposed mechanisms for seafloor weakening at the top of gas hydrate stability on an uplifted submarine ridge (Rock Garden), New Zealand by Ellis, S., Pecher, I., Kukowski, N., Xu, W., Henrys, S., Greinert, J.

“…We evaluate different hypotheses concerning the formation of a peculiar, flat-topped ridge at Rock Garden, offshore of the North Island of New Zealand. The…”
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Methane seepage along the Hikurangi Margin, New Zealand: Overview of studies in 2006 and 2007 and new evidence from visual, bathymetric and hydroacoustic investigations by Greinert, J., Lewis, K.B., Bialas, J., Pecher, I.A., Rowden, A., Bowden, D.A., De Batist, M., Linke, P.

“…This paper is an introduction to and an overview of papers presented in the Special Issue of Marine Geology “Methane seeps at the Hikurangi Margin, New…”
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Geological controls on focused fluid flow through the gas hydrate stability zone on the southern Hikurangi Margin of New Zealand, evidenced from multi-channel seismic data by Crutchley, G.J., Gorman, A.R., Pecher, I.A., Toulmin, S., Henrys, S.A.

“…Highly concentrated gas hydrate deposits are likely to be associated with geological features that promote increased fluid flux through the gas hydrate…”
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Geology and petroleum potential of the Fairway Basin in the Tasman Sea by Exon, N. F., Lafoy, Y., Hill, P. J., Dickens, G. R., Pecher, I.

“…The Fairway Basin is a large, generally north - south-trending, sediment-filled structure in water 1500 - 3000 m deep, on the eastern slope of the Lord Howe…”
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IODP Workshop on Using Ocean Drilling to Unlock the Secrets of Slow Slip Events by Wallace, L. M., Silver, E. A., Bangs, N., Bell, R., Mountjoy, J., Henrys, S., Pecher, I.

“…No abstract available. doi: 10.2204/iodp.sd.14.10.2012…”
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Trapping and migration of methane associated with the gas hydrate stability zone at the Blake Ridge Diapir: new insights from seismic data by Taylor, M.H, Dillon, W.P, Pecher, I.A

“…The Blake Ridge Diapir is the southernmost of a line of salt diapirs along the Carolina trough. Diapirs cause faulting of the superjacent sediments, creating…”
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Slow response of the gas hydrate system to ridge erosion and sea-level rise: Insights from double BSRs on the southern Hikurangi margin (New Zealand) by Kroeger, K.F., Crutchley, G.J., Pecher, I.A.

“…•Modelling of the dynamic temperature field is used to identify remnant BSRs recorded in seismic data at the outer Hikurangi margin.•Rapid sedimentation leads…”
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Possible gas hydrates in the Northland and northern Taranaki Basins: Indirect evidence from seismic data by Ogebule, OY, Pecher, IA

“…We present indirect evidence from seismic data for gas hydrates in the deepwater Northland and northern Taranaki Basins west of New Zealand's North Island. We…”
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Seismic detection of marine methane hydrate by Holbrook, W. S, Gorman, A. R, Hornbach, M, Hackwith, K. L, Nealon, J, Lizarralde, D, Pecher, I. A

“…As offshore petroleum exploration and development move into deeper water, industry must contend increasingly with gas hydrate, a solid compound that binds…”
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Development of the accretionary prism along Peru and material flux after subduction of Nazca Ridge by Huene, R., Pecher, I. A., Gutscher, M.‐A.

“…Results from Ocean Drilling Program Leg 112 indicated tectonic erosion of the Peruvian convergent margin during subduction of the Nazca Ridge followed by…”
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