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Basalt Layer Seismic Processing


2013-12-24 · The first layer is a thin layer of very dry weathered basalt, with an average value of ρ = 8430 Ohm.m, and at a depth ranging from 1 to 7.5 m. The value of apparent resistivity in the second layer is about ρ 4000 Ohm.m and at depth ranging from 7.5 to 20 m, which might be com-prised of fresh basalt. The third layer has an apparent

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  • Determining The Basaltic Sequence Using  Seismic

    Determining The Basaltic Sequence Using Seismic

    2013-12-24 · The first layer is a thin layer of very dry weathered basalt, with an average value of ρ = 8430 Ohm.m, and at a depth ranging from 1 to 7.5 m. The value of apparent resistivity in the second layer is about ρ 4000 Ohm.m and at depth ranging from 7.5 to 20 m, which might be com-prised of fresh basalt. The third layer has an apparent

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  • Phase Shift Approximation For The  Post Critical Seismic Wave

    Phase Shift Approximation For The Post Critical Seismic Wave

    2016-11-1 · Phase shift approximation for the post-critical seismic wave structure beneath the high velocity basalt layer. They are featured with their phase shifts and strength changes, which should be taken into account in seismic data processing, such as considered in seismic processing and imaging. Numerical examples demonstrate that (1) the

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  • Sub Basalt  Imaging Using Broadside CSEM

    Sub Basalt Imaging Using Broadside CSEM

    2011-6-6 · below a basalt layer. However, due to shape irregularities and het erogeneities with high velocity contrasts around and within the basalts, it can be challenging for seismic processing to image the base of the basaltic layer and details of what is below . [For example, s ee Fliedner and White (2001) ].

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  • Enhancing Sub Basalt  Imaging Using Depth Domain

    Enhancing Sub Basalt Imaging Using Depth Domain

    2018-1-24 · Processing of 2D long offset Seismic Reflection data for sub basalt Imaging still remains a challenge for the Processing Geophysicists. So far there is no commercial processing solution for meaningful imaging below basalt. Time domain processing has its limitations to process reflection events which are hyperbolic in nature. With careful

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  • Use Of Synthetic CMP Gathers For Velocity  Guidance In

    Use Of Synthetic CMP Gathers For Velocity Guidance In

    2017-11-2 · gathers for processing facilitates the processing of the actual seismic data by allowing existing geological knowledge to complement data-driven velocity determinations. Introduction The sub basalt seismic imaging is problem in Krishna-Godavari basin. Event though the modalities of

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  • (PDF) Advanced Processing  Of Long Offset Seismic

    (PDF) Advanced Processing Of Long Offset Seismic

    Advanced processing of long-offset seismic data for sub-basalt imaging in the Faeroe-Shetland Basin Hassan Masoomzadeh* and Penny J. Barton, University of Cambridge, Satish C. Singh, IPG Paris Summary the linear noise of ringing and multiplication, arrive tangentially at about the time of the reflection signal from A specialized strategy for long-offset data processing is the sub-basalt targets.

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  • Seismic Acquisition  Technology For Geological Targets Under ..

    Seismic Acquisition Technology For Geological Targets Under ..

    A set of seismic acquisition technology for the geological targets under the shield of basalt is ultimately Variable-depth streamer seismic acquisition and processing in

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  • Integrated Seismic And Electromagnetic  Model Building ..

    Integrated Seismic And Electromagnetic Model Building ..

    2019-5-20 · Integrated seismic and electromagnetic model building applied to improve subbasalt depth imaging hanced seismic data acquisition and processing or from other basalt layer, as well as the sediment and basement structures underneath.

    Get Details
  • Sub Basalt Imaging Of  Hydrocarbon Bearing Mesozoic ..

    Sub Basalt Imaging Of Hydrocarbon Bearing Mesozoic ..

    Sub-basalt Imaging of Hydrocarbon-Bearing Mesozoic Sediments Using Ray-Trace Inversion of First-Arrival Seismic Data and Elastic Finite-Difference Full-Wave Modeling Along Sinor–Valod Profile of Deccan Syneclise, India. Pure and Applied Geophysics, Mar 2018

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  • A Unique Methodology For Sub Basalt  Imaging Case Study

    A Unique Methodology For Sub Basalt Imaging Case Study

    2017-10-11 · A Unique Methodology for Sub Basalt Imaging-Case Study Brajesh Das and Mairaj Fatima SPIC,ONGC Introduction Mesozoic sediments trapped under Deccan basalt in the western flank of India have been a challenge for petroleum exploration. Analysing sub-basalt sediments by seismic surveys has always been a challenge due to the massive nature of basalt.

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  • Seeing Below The Basalt – Offshore  Faroes  Gallagher ..

    Seeing Below The Basalt – Offshore Faroes Gallagher ..

    This thick basalt layer obscures the deeper potentially prospective sedimentary section. Research has shown that basalt layers scatter the higher seismic frequencies (Pujol and Smithson 1991; Hobbs 2002) and deep towing of receiver cables can extend the seismic bandwidth towards lower frequencies (Ziolkowski et al. 2002).

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  • Study And Materialization Of New  Seismic Physical Model ..

    Study And Materialization Of New Seismic Physical Model ..

    Building of physical model is the foundation of seismic physical modeling.The key to physical model building is to determine the compound formulation that can produce

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  • Reinterpretation Of The “J”  Basalt Reflector From Seismic  ..

    Reinterpretation Of The “J” Basalt Reflector From Seismic ..

    2012-3-30 · Reinterpretation of the “J” Basalt Reflector from Seismic Data Reprocessing Across the Coastal Plain of Southeastern Georgia: Potential Implications for Long-Term CO 2 Sequestration* Olusoga Martins Akintunde1, Camelia Knapp2, James H. Knapp2, David M. Heffner2, and John Shafer3. Search and Discovery Article #80174 (2011) Posted July 31, 2011

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  • (PDF) Advanced Processing  Of Long Offset Seismic

    (PDF) Advanced Processing Of Long Offset Seismic

    Advanced processing of long-offset seismic data for sub-basalt imaging in the Faeroe-Shetland Basin Hassan Masoomzadeh* and Penny J. Barton, University of Cambridge, Satish C. Singh, IPG Paris Summary the linear noise of ringing and multiplication, arrive tangentially at about the time of the reflection signal from A specialized strategy for long-offset data processing is the sub-basalt targets.

    Get Details
  • Uses Of Wide‑azimuth And Variable‑depth  Streamers For

    Uses Of Wide‑azimuth And Variable‑depth Streamers For

    2015-8-7 · streamers for sub‑basalt seismic imaging To evaluate the optimal technique for imaging beneath a complex basalt layer, Robert Dowle,1* Fabrice Mandroux,1 Robert Soubaras,1 and Gareth Williams2 compare dense wide-azimuth and broadband towed streamer acquisition solutions when deployed in an experimental survey in the Faroe-Shetland Basin. A

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  • 3D Seismic Acquisition Technology And  Effect In HX ..

    3D Seismic Acquisition Technology And Effect In HX ..

    2016-7-20 · guided the actual wide angle seismic data processing and achieved sub basalt seismic imaging. An Xueyong [9] and Zhao Jianzhang[10] put forward the suggestion of seismic acquisition survey parameters in view of the problems of the development of the surface layer and the superficial layer. She Deping [11] [12] using wave

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  • Integrated Seismic And Electromagnetic  Model Building ..

    Integrated Seismic And Electromagnetic Model Building ..

    2019-5-20 · Integrated seismic and electromagnetic model building applied to improve subbasalt depth imaging hanced seismic data acquisition and processing or from other basalt layer, as well as the sediment and basement structures underneath.

    Get Details
  • (PDF) Seismic  Characteristics Of Basaltic Extrusive And ..

    (PDF) Seismic Characteristics Of Basaltic Extrusive And ..

    Seismic characteristics of basaltic extrusive and intrusive rocks SVERRE PLANKE, EIVIND ALVESTAD, and OLAV ELDHOLM, University of Oslo, Norway Transient, voluminous basaltic volcanism is frequently associated with salt deposits, have received extensive atten- associated with continental breakup, forming so-called tion within the seismic processing industry.

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  • Sub Basalt Imaging  Problems And The Application Of ..

    Sub Basalt Imaging Problems And The Application Of ..

    From our tests, varying layer thickness and source frequency, a synthetic 2-D fractal model, which produces seismic similar to real sub-basalt seismic, has been created. On the shot gathers generated from Model, 1 the base of the basalt is clearly delineated. In Model 2, the mean velocity in each layer is the same as that used in Model 1.

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  • SUB BASALT  IMAGING: MODELING AND DEMULTIPLE

    SUB BASALT IMAGING: MODELING AND DEMULTIPLE

    2017-10-14 · Seismic imaging of sub-basalt sedimentary layers is difficult due to high impedance of the basalt layer, the roughness of the top and bottom of the basalt layer and sometimes the heterogeneities within the basalt layer. In this thesis we identify specific problems within the modern imaging technology which limit sub-basalt imaging. The basic

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  • Uses Of Wide‑azimuth And Variable‑depth  Streamers For

    Uses Of Wide‑azimuth And Variable‑depth Streamers For

    2015-8-7 · streamers for sub‑basalt seismic imaging To evaluate the optimal technique for imaging beneath a complex basalt layer, Robert Dowle,1* Fabrice Mandroux,1 Robert Soubaras,1 and Gareth Williams2 compare dense wide-azimuth and broadband towed streamer acquisition solutions when deployed in an experimental survey in the Faroe-Shetland Basin. A

    Get Details
  • Reinterpretation Of The “J”  Basalt Reflector From Seismic  ..

    Reinterpretation Of The “J” Basalt Reflector From Seismic ..

    2012-3-30 · Reinterpretation of the “J” Basalt Reflector from Seismic Data Reprocessing Across the Coastal Plain of Southeastern Georgia: Potential Implications for Long-Term CO 2 Sequestration* Olusoga Martins Akintunde1, Camelia Knapp2, James H. Knapp2, David M. Heffner2, and John Shafer3. Search and Discovery Article #80174 (2011) Posted July 31, 2011

    Get Details
  • Sub Basalt Imaging Of  Hydrocarbon Bearing Mesozoic ..

    Sub Basalt Imaging Of Hydrocarbon Bearing Mesozoic ..

    Sub-basalt Imaging of Hydrocarbon-Bearing Mesozoic Sediments Using Ray-Trace Inversion of First-Arrival Seismic Data and Elastic Finite-Difference Full-Wave Modeling Along Sinor–Valod Profile of Deccan Syneclise, India. Pure and Applied Geophysics, Mar 2018

    Get Details
  • (PDF) Seismic  Characteristics Of Basaltic Extrusive And ..

    (PDF) Seismic Characteristics Of Basaltic Extrusive And ..

    Seismic characteristics of basaltic extrusive and intrusive rocks SVERRE PLANKE, EIVIND ALVESTAD, and OLAV ELDHOLM, University of Oslo, Norway Transient, voluminous basaltic volcanism is frequently associated with salt deposits, have received extensive atten- associated with continental breakup, forming so-called tion within the seismic processing industry.

    Get Details
  • Use Of Low Frequency Signals To  Improve Imaging

    Use Of Low Frequency Signals To Improve Imaging

    The simulation experiment of a complete 2D basalt model confirms that the low-frequency signals can be used to boost the quality of deep-layer imaging under the high-velocity basalt layer and achieve good results in low-pass filter processing of actual data.

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  • Study And Materialization Of New  Seismic Physical Model ..

    Study And Materialization Of New Seismic Physical Model ..

    Building of physical model is the foundation of seismic physical modeling.The key to physical model building is to determine the compound formulation that can produce

    Get Details

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