[HTML][HTML] Seismic chimney characterisation in the North Sea–implications for pockmark formation and shallow gas migration
Fluid-escape structures within sedimentary basins permit pressure-driven focused fluid flow
through inter-connected faults, fractures and sediment. Seismically-imaged chimneys are …
through inter-connected faults, fractures and sediment. Seismically-imaged chimneys are …
[HTML][HTML] Multiscale characterisation of chimneys/pipes: Fluid escape structures within sedimentary basins
Abstract Evaluation of seismic reflection data has identified the presence of fluid escape
structures cross-cutting overburden stratigraphy within sedimentary basins globally …
structures cross-cutting overburden stratigraphy within sedimentary basins globally …
[HTML][HTML] Deep-large faults controlling on the distribution of the venting gas hydrate system in the middle of the Qiongdongnan Basin, South China Sea
J Ren, H Qiu, Z Kuang, T Li, Y He, M Xu, X Wang, H Lai… - China Geology, 2024 - Elsevier
Many locations with concentrated hydrates at vents have confirmed the presence of
abundant thermogenic gas in the middle of the Qiongdongnan Basin (QDNB). However, the …
abundant thermogenic gas in the middle of the Qiongdongnan Basin (QDNB). However, the …
Core-scale geophysical and hydromechanical analysis of seabed sediments affected by CO2 venting
Abstract Safe offshore Carbon Capture Utilization and Storage (CCUS) includes monitoring
of the subseafloor, to identify and assess potential CO 2 leaks from the geological reservoir …
of the subseafloor, to identify and assess potential CO 2 leaks from the geological reservoir …
Seismic anisotropy within an active fluid flow structure: scanner Pockmark, North Sea
Understanding sub-seabed fluid flow mechanisms is important for determining their
significance for ocean chemistry and to define fluid pathways above sub-seafloor CO2 …
significance for ocean chemistry and to define fluid pathways above sub-seafloor CO2 …
Constraints on fluid flow pathways from shear wave splitting in and around an active fluid-escape structure: Scanner Pockmark, North Sea
AH Robinson, G Bayrakci, C Macdonald… - Geophysical Journal …, 2022 - academic.oup.com
Vertical fluid-escape structures observed in seismic reflection data represent an important
class of potentially active fluid flow pathways. An understanding of the mechanism of fluid …
class of potentially active fluid flow pathways. An understanding of the mechanism of fluid …
Short‐Duration Events Associated With Active Seabed Methane Venting: Scanner Pockmark, North Sea
The process by which methane propagates through near‐surface sediments and is vented
into the ocean is uncertain. Here, we describe seismic events (short‐duration events [SDEs]) …
into the ocean is uncertain. Here, we describe seismic events (short‐duration events [SDEs]) …
[PDF][PDF] China Geology
J Ren, H Qiu, Z Kuang, T Li, Y He, M Xu, X Wang, H Lai… - 2024 - researchgate.net
Gas hydrates are ice-like compounds composed of a gas molecule encased in a water
lattice (Sloan ED and Koh C, 2007). The most common gas molecule in nature is methane …
lattice (Sloan ED and Koh C, 2007). The most common gas molecule in nature is methane …