Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)

Dong Shi, Ramin Saleh, Bernd Milkereit

Search and Discovery.com

... the synthetic seismogram is a full-waveform modelling with presence of both P and S waves and surface waves. Acoustic wave equation is used for extrapolate...

Stratigraphic Delineation of the Baong Sandstone by High Resolution Acoustic Inversion in the North Sumatra Basin

L. R. Weathers, R. B. Helm

Indonesian Petroleum Association

... Synthetic Seismogram NSB–L2 Seismic reflections representing individual thin Baong sandstone layers occurring directly above the Belumai carbonate...

Seismic to Well Ties with Problematic Sonic Logs, by Don Burch, #40078 (2003)

Search and Discovery.com

Chapter Six: Tuning Phenomena in Reservoirs

Alistair R. Brown

AAPG Special Volumes

... by a cross-correlation technique between the processed seismic trace and the synthetic seismogram at a well. The wavelet is seen to be almost...

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... for acoustic wave modeling Figure 5 - Seismogram synthetic at CDP 800 Figure 6 - Seismogram synthetic at CDP 1000 Figure 7 - Conventional stack section...

Explainable AI: Can neural networks recognize first arrivals after wave separation?

Yanwen Wei, Zhenyu Zhu, Jicai Ding, Yichuan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... for multiples separation is in the 6th layer. Figure 3: A synthetic example of multiples separations by DNN with (a) full waveform shot gather, (b...

Processing and Interpretation of 2-D Seismic Data from the Bighorn Basin, Wyoming

David J. Taylor

Wyoming Geological Association

... of seismic line and a 1-D synthetic seismogram from an adjacent well with formation tops information, showing the correlation between synthetic traces...

Structural and Stratigraphic Interpretation of the Muddy Formation Using the Manderson Field 3D Seismic Survey, Big Horn County, Wyoming

J. Chris Besler, Mark T. Kramer

Wyoming Geological Association

... synthetic seismograms were generated in order to tie borehole information to the seismic data. The synthetic seismogram for the 33-22P well is shown...

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...

Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data

Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm

International Meeting for Applied Geoscience and Energy (IMAGE)

...-style streamer data generated in the crustal-scale GO 3D OBS synthetic subduction zone model. The results confirm that the shifted regularization...

Tinggi Field - Analyzing the DHIs

Harun Mohd. Noor

Geological Society of Malaysia (GSM)

... model. A synthetic seismogram was constructed from the data obtained from the A-5 well. Figure 7 shows the responses to the different lithologies...

Interferometry Application to Interpolate Missing 2D Seismic Data in Shot Gathers

Lily Suherlina, M.Yusup Nur Khakim, Hilman Mardiyan, Roy Baroes

Indonesian Petroleum Association

.... In addition, it is categorized into synthetic data higher quality, synthetic data lower quality and field data lower quality. Cross correlation of traces...

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

Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling … A Case Study From the Norwegian North Sea

Nguyen Nam, Larry Fink

Indonesian Petroleum Association

... of the real and in the synthetic datasets. If multiples exist on the unscaled data, the match would not be good because there are no multiples...

Crustal and Lithospheric Structure of the CarpathianPannonian Region: A Geophysical PerspectiveRegional Geophysical Data on the CarpathianPannonian Lithosphere

L. Pospil, A. dm, J. Bimka, P. Bodlak, T. Bodoky, P. Dvnyi, H. Granser, E. Hegeds, I. Jo, A. Kendzera, L. Lenkey, M. Nemok, K. Posgay, B. Pylypyshyn, J. Sedlk, W. D. Stanley, G. Starodub, V. Szalaiov, B. ly, A. utora, G. Vrga, T. Zsros

AAPG Special Volumes

... by a superposition of synthetic on the experimental seismograms, materializing a pulse form. The seismic station Kosiv registered the seismogram on August 6...

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...

Permian glacial paleo-valley identification and characterization using geometrical attributes and 2D forward modelling

Leticia Itzel Flores-Sanchez, Michael LeStrat, Robert H. Richards

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Nonetheless, its variability and difficulty to map it seismically has been a challenge. A major difficulty of these interpretations are multiples affecting...

Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data

Ning Wang, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... method is shown to be able to handle both higher order peg-leg multiples (contrary to mirror migration) and internal multiples. INTRODUCTION Ocean-bottom...

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...