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The AAPG/Datapages Combined Publications Database

Showing 64,112 Results. Searched 187,797 documents.

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A Comparison of Depth-Conversion Methods in the Gulf of Mexico

Melvan D. Carter, Gary R. Hyatt

GCAGS Transactions

...-conversion error as a function of layer, depth and space. While the results cannot be generalized blindly, the seismic average-velocity technique...


AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... Geophysics, 384 p. Whitmore, N. D., and J. D. Garing, 1993, Interval velocity estimation using iterative prestack depth migration in the constant angle...


A Comparison of Depth Conversion Methods in Buntal Gas Field, Block B, Natuna Sea, Indonesia

Irfan Yuliandri Syukri, John Hughes, Medi Medianesterian

Indonesian Petroleum Association

... incorporated included: (1) a linear average velocity-time function; (2) a 2nd order polynomial time-depth function; (3) an instantaneous velocity-depth V0k...


A Comparison of the Various Methods of Dip Migration

H. Bruce Mayo

Oklahoma City Geological Society

...., Oklahoma City) supplied these data from actual seismic records, along with a velocity function V = 9000 + 0.6 Z (linear increase with depth). The scale...


A Simple Guide to Depth Conversion: Part I

Ashley Francis

GEO ExPro Magazine

...: Combining well and seismic velocity data using geostatistics to obtain the advantages of both datasets. Practical Depth Conversion Well Velocities...


The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration

J. E. Stones

Oklahoma City Geological Society

...The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration J. E. Stones 1958 304 304 The purpose of this paper is two-fold...


Influence of Lithology and Neogene Uplift on Seismic Velocities in Denmark: Implications for Depth Conversion of Maps

Peter Japsen

AAPG Bulletin

... on depth is approximated by a linear function, the velocity for a formation becomes expressed by depth of burial and the velocity parameters...


Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion

Peter Japsen

AAPG Bulletin

... that no general velocity-depth function can be used when performing more accurate analyses like depth conversion of seismic data, pore-pressure...


Chart Migrations

Frank A. Roberts

Oklahoma City Geological Society

... parameters of space. We are immediately concerned with the velocity function. Should we use an average overall velocity, a linear or an expotential...


Abstract: Analytical Velocity Modeling for Offshore East Coast of India: An Approach Using VSP Time-Depth Dataset; #90310 (2017)

Nidhi Jindal, Anup K. Shahi, Kumar Hemant Singh

Search and

...Abstract: Analytical Velocity Modeling for Offshore East Coast of India: An Approach Using VSP Time-Depth Dataset; #90310 (2017) Nidhi Jindal, Anup K...


Rapid Multiple-Scenario Depth Structure Risk Analysis Case Study in Cuulong Basin, Vietnam

Nguyen Nam, Hong Shien Lee

Indonesian Petroleum Association

... illustrates depth conversion using 3D velocity model that calibrates many sources including seismic velocities, time depth functions, well picks and surfaces...


Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)

Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen

Search and

... for exploration seismic studies (Mavko et al., 1998; Khan and Khan, 2005). Nevertheless, velocity changes as a function of frequency are expected...


Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... been deposited at the same time throughout the area. Depth Conversion Using a Single Velocity Function Many small 3-D interpretations can be converted...


Modified Residual Migration

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

... direction. Both the constant and linear term of the velocity function also increase significantly with depth. The maximum structural dip for this model...


Uncertainty Analysis for Top Tuban Carbonate Prediction using Velocity Modeling Design in "Aquila" Field, East Java Basin

Ayu Indri Firdani, Azhar Kholiq Affandi, Erik Wahyu Irawan, Kamal, M. Wahdanadi Haidar, M. Freddy Yulisasongko

Indonesian Petroleum Association

... the uncertainty of the Tuban Carbonate depth marker due to high velocity anomalies from the results of the conversion using the linear trend velocities...


The Application of Velocities and Models to Seismic Interpretation

G. Jarrota

Indonesian Petroleum Association

..., interval velocities can be discerned, and time contours can be transformed directly into depth contours by using collections of velocity spectra. When...


Abstract: Angle-Dependent Full Waveform Inversion; #90319 (2018)

Woodon Jeong, Constantinos Tsingas, Young Seo Kim

Search and

... (FWI) has been an important tool for velocity model building for depth imaging. FWI is an iterative optimization process which minimizes the error...


Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas

Nader C. Duta, Sherman Yang, Yangjun (Kevin) Liu, Lawrence Cho, Jie Cui

Indonesian Petroleum Association

... dependent coefficients. Figure 1 shows a typical template (velocity and density as a function of depth for shale undergoing smectite toillite...


Seismic Time to Depth Conversion and Uncertainty Analysis for Horizon Prediction in a Proposed Well-Site of Sungai Gelam Field, Jambi Subbasin

Muhamad Wildan P., Imam Muda Gunawan, Andry Pujiriyanto, Sudarmaji

Indonesian Petroleum Association

... the relationship between the depth and the seismic time (TWT) (Etris, E.L. et al., 2001). A velocity model can be developed using many different methods...


The Suitable Method in Generating True Depth Structure Maps to Eliminate Wonocolo Push-Down Effect on Seismic Data and Its Impact on Prospect Evaluation, North Madura Platform, East Java Basin

Haryono Haryanto, Rizki Krishna Pratama, Riaz Alai, M. Afiq B. Mokhtar, Pongga Wardaya, Yonghe Guo, Jun Wang

Indonesian Petroleum Association

... to handle the lateral variation of velocity. Further 3D paleo-reconstruction using the single function depth structure map was conducted in order to get...


Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and

... (m) c) 3000 d) Figure 1: Numerical example FWI using PSTM imaging theory a) True velocity vs depth b) True velocity vs time c) starting velocity d...


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