Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... datasets, but produces a similar response. Rayleigh-Sommerfeld is used to create an exhaustive 3D synthetic dataset which will be used for 3D migration...

The acoustic wave curve prediction technology based on support vector machine and its application in depth prediction during horizontal wells drilling

Hebing Tang, Jun Ming, Lei Liu, Zhenglong Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... curves and gamma curves, which lacking for acoustic curves. Therefore, synthetic seismogram can’t be observed, resulting that fine time-depth calibration...

Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... the basement reflection whereas stacks of the near traces were contaminated with multiples and reverberations. Offset weighting of the far traces...

Analysis of the Hydrocarbon Sandstone Distribution Using Rock Physics and Petrophysics Calculations, Simultaneous Inversion, Extended Elastic Impedance (EEI) and Curved Pseudo-Elastic Impedance (CPEI) in X Field Bonaparte Basin

Alfan Hidayah Kusuma, Meta Nisrina Syafitri, Zakki Fahrurrozi

Indonesian Petroleum Association

.... Matching is done by correcting the time-depth value of the checkshot data so that the TWT event on the synthetic seismogram is the same as the seismic data...

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

... problem, determines the rationality of imaging by comparing the correlation between the synthetic data generated by the migration image and the field...

Multi-Component Seismic (3C) Data Acquisition … A Case Study from Oil India Ltd. Operational Area in Upper Assam Basin, #40728 (2011)

K. L. Mandal, A. K. Khanna, Dr. R. Dasgupta

Search and Discovery.com

.... With the vertically layered strata, vertical transverse isotropy or variations of seismic velocity with angle from the vertical is expected. Synthetic Seismogram...

Lithology-Driven Rock Calibration: “Laboratory” Modeling; J. B. Thomas; Search and Discovery Article #40012 (2001)

Search and Discovery.com

Amplitude inversion of OBS direct arrivals for seabed elastic properties

James Gaiser, Moacyr de Souza Bazerra, James Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

...) of the direct arrival. Synthetic data shows exact results compared with analytic expressions for reflection and transmission coefficients of the seabed...

ABSTRACT: 3-D Synthetic Seismic Modeling of Turbidite Sandstones

Kathleen O. Horkowitz , William R. Morris , Mark H. Scheihing , H. DeVille Wickens

GCAGS Transactions

...ABSTRACT: 3-D Synthetic Seismic Modeling of Turbidite Sandstones Kathleen O. Horkowitz , William R. Morris , Mark H. Scheihing , H. DeVille Wickens...

Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)

Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin

Search and Discovery.com

... to miss-ties of intrazone events when compared to synthetic seismograms. By using a stochastic velocity model instead of an average zone velocity, we...

Abstracts: Fluid Substitution and Seismic Modelling in a Sandstone Aquifer; #90173 (2015)

Virginia C. Vera and Don C. Lawton

Search and Discovery.com

... is a practical and useful tool in fluid substitution models. Its direct evaluation and synthetic seismogram variation reflects the effects of CO2...

Squeezing More Information Out of 3D Seismic Data with a Match Filter and Possibly Squeezing More Oil Out of Oil Pools; #41562 (2015)

Norm Kalmanovitch, John Townsley

Search and Discovery.com

... and other artifacts sometimes do not allow us to fully meet our objectives. A synthetic seismogram can be made noise free and with a broad enough “zero...

A High-Resolution VSP in the Oil Sands for Improved Reservoir Characterization; #41521 (2015)

Mark Morrish, Laurie Bellman

Search and Discovery.com

...: identifying multiples, Q estimation, PP and PS depth registration, AVO analysis, tying seismic to lithology and obtaining more accurate velocity...

De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play

Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan

Indonesian Petroleum Association

... and multiples. The steep, stripe-like pattern randomly appears in the data mix with high curvature multiples. Those undesired noises might block the desired...

Abstract: Improving Temporal Resolution of Land Seismic Data with a Stabilized Inverse Q-Filter; #90254 (2016)

Abdullah M. Alshangiti, Peter Pecholcs, Rienk Lakeman, Mohammad Bannagi

Search and Discovery.com

... to improve resolution and enhance the SNR. In this study, an investigation using an inverse Q-filter with and without stabilization on synthetic...

Petrophysical and seismic properties of lower Eocene clastic rocks in the central Maracaibo Basin

Alejandro Escalona

AAPG Bulletin

... and Geldart, 1995; Brown, 1999).Figure 6. (A) Synthetic seismogram of well W12 showing a good correlation of major reflectors. (B) Extracted wavelet...

Abstract: An Analysis of the Benefits of 3D Pre-Stack Time Migration (Paper 11)

Peter Whiting

Geological Society of Malaysia (GSM)

... for multiples. The addition of a 3D zero-offset time migration after DMO (often using the same simple velocity field as used for DMO) helps avoid...

3D acoustic-elastic full-waveform inversion and migration of marine VSP data from Norway

Zhaolun Liu, Jrgen Hoffmann, Frederik J. Simons, Jeroen Tromp

International Meeting for Applied Geoscience and Energy (IMAGE)

... simulate the bubble effect (dashed red lines in Fig. 4) and seafloor multiples (dashed yellow lines in Fig. 4). Those synthetic multiples match well...

S-transform based processing of noisy surface wave record for recovering high-resolution spectrum

Sayan Mukherjee, Mrinal Bhaumik, Tarun Naskar

International Meeting for Applied Geoscience and Energy (IMAGE)

...?−𝑡)2 ( 𝑒− ∣ ∣ 𝛼∣ 𝑓 ∣+𝛽 ) 2 Synthetic example A 50-channel seismogram from a four-layer model (Table 1) is generated using the staggered-grid finite diff...

Abstract: Practical Mapping of Lithology and Rock Properties using Analyses of Seismic Inversion Models

W.C. Robinson, R.C. Trentham

West Texas Geological Society

..., and to tie important formation boundaries to specific reflections. Forward synthetic seismogram models, which portray a geologic model as an expected seismic...

Seismic applications of the Radon transform and a new second-order traveltime local transform

Ehsan Soleymani, Mauricio Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Radon transform is derived using a second-order Taylor approximation of the refection travel time around a central seismogram. The proposed local Radon...

Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East

G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... are formulated in the conventional data-domain only and their success relies on the extraction of the travel time misfit between the field and synthetic...

Two Inversion Case Studies from the SCOOP and STACK Area of Oklahoma

Satinder Chopra, Ritesh Kumar Sharma, James Keay

Unconventional Resources Technology Conference (URTEC)

... and density curves for well W-3, as well as PS synthetic seismogram are shown correlated with PP and PS seismic data in PS two-way time. A zero-phase...

Fluid Substitution as an AVO Calibration for Quantifying Uncertainty of Gas Presence in Late Miocene Binio Sandstone, Kampar Area, Central Sumatra Basin

Istiqlal Dalimunthe, Pamela Amelia Barus, Jhon Johannes Wood, Febrie Ekaninggarani

Indonesian Petroleum Association

... in gas and wet conditions are used to generate synthetic seismogram for comparison purposes. The AVO analysis and fluid substitution methods are also...

Abstracts: Seismic Imaging of the Massive Cu-Co-Zn Sulphide Deposite in Outokumpu, Finland; #90173 (2015)

Xuefeng Duo, H. Schijns, S. Heinonen, D. R. Schmitt, I. T. Kukkonen, and P. Heikkinen

Search and Discovery.com

... deep drill hole, calculated acoustic impedance, reflection coefficient and a synthetic seismogram. From left to right, they are the density log...