Zobrazeno 1 - 10
of 112
pro vyhledávání: '"S. Leaney"'
Publikováno v:
82nd EAGE Annual Conference & Exhibition.
Summary Seismic multicomponent seabed acquisition systems enable us to measure Scholte- and Love-waves propagating along the sea bottom. Scholte- and Love-waves phase velocity dispersion curves be inverted for estimating shallow near seabed vertical
Publikováno v:
Proceedings.
The Hejre oil and gas field is located in the Danish Central Graben, a shallow water part of the central North Sea. The reservoir lies at depths below 5 km in a high-temperature and high-pressure environment. Seismic resolution is relatively poor due
Publikováno v:
Proceedings.
This paper provides an overview of the knowledge and experience accumulated over the years in the use of borehole seismic data to produce reliable predictive velocity profiles ahead of the deepest vertical seismic profile (VSP) level recorded. The hi
Autor:
C. H. Chapman, W. S. Leaney
Publikováno v:
Geophysical Journal International. 188:343-370
SUMMARY Investigating the mechanisms of small seismic sources usually consists of three steps: determining the moment tensor of the source; decomposing the moment tensor into parameters that can be interpreted in terms of physical mechanisms and disp
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Publikováno v:
Proceedings.
The slowness-polarization method was developed to infer VTI/TTI anisotropy local to a walkaway receiver array, and successful case studies have been previously reported (Leaney and Hornby, 2007). We consider vertical orthorhombic anisotropy as the ne
Publikováno v:
Studia Geophysica et Geodaetica. 48:215-231
We apply the inversion scheme of Zheng and Pysenyc´ok (2002) to the walkaway VSP data of Horne and Leaney (2000) collected in the Java Sea region. The goal is a local determination of parameters of the medium surrounding the borehole receiver array.
Rock Physics Constrained Anisotropic Tomography - Methodology and Applications to the Gulf of Mexico
Autor:
Marta Woodward, Konstantin Osypov, Ran Bachrach, Y. Liu, Hans Kristian Helgesen, Yi Yang, N. Seymour, S. Leaney
Publikováno v:
London 2013, 75th eage conference en exhibition incorporating SPE Europec.
We present a new method for anisotropic velocity model building for seismic imaging. In the paper we describe the method and a case study that uses stochastic rock physics modeling of the non-linear relationships between the anisotropic parameters (e
Autor:
R. Parker, S. Leaney, Shawn Maxwell, D. Dorval, Michael J. Jones, J. Logel, E. Anderson, D. D'Amico, K. Hammermaster, S. Miong
Publikováno v:
72nd EAGE Conference and Exhibition incorporating SPE EUROPEC 2010.
Microseismic monitoring was used to image hydraulic fracturing during a gas well stimulation. Some time after the end of the injection, there was an increase in the seismic deformation rate. Investigation of the frequency-magnitude characteristics du
Autor:
W. S. Leaney, C. H. Chapman
Publikováno v:
72nd EAGE Conference and Exhibition incorporating SPE EUROPEC 2010.
Microseismic source mechanisms are of interest in hydraulic stimulation because of what they may reveal about the induced fracture network. Since rocks are in general anisotropic, particularly shales, it is of interest to consider the impact that ani