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 Discovery.com

... (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...

Abstract: 3-D Time-to-Depth Conversion Beneath a Deep Marine Channel: Finding the Depth Error Model Using a Pragmatic Approach, by R. W. Jeffery and D. R. Jefferis; #90920 (1999).

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Search and Discovery.com

... data sets. The veracity of the determined geologic interval velocity model is tested using prestack depth migration, and also by ng it as the initial...

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user

Search and Discovery.com

... data sets. The veracity of the determined geologic interval velocity model is tested using prestack depth migration, and also by ng it as the initial...

Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)

Emil Blias

Search and Discovery.com

.... To find a minimum of the non-linear function F, we use the Newton method. 4. Velocity anomaly replacement (VAR). We use the depth velocity model to remove...

AAPG Memoir 76, Chapter 15: Forward Modeling of Log Response in Geopressured Formations Reveals Valuable Insights to the Various Pore-Pressure Prediction Techniques

J. C. Rasmus

AAPG Special Volumes

.... Plots like Figures 1 and 2 using the forward-modeled resistivity allow a prediction of pore pressure as a function of lithology, water depth...

Volume-constrain first arrival tomography based near surface modeling and its application

Naijian Wang, Zhihui Yan, Qingpo Ma, Wei Wu, Yunfei Zu, Yonggui Hu

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity. Under the linear assumption, the travel-time residual difference of seismic wave can be described as the integration of slowness function...

Determination and Delineation of Anomalously Pressured Gas Accumulations in the Siberia Area, Washakie Basin, Wyoming

Ronald C. Surdam, Zun Sheng Jiao, Yuri Ganshin, Nicholas G. K. Boyd III

Wyoming Geological Association

.... Surdam, R.C., J. Robinson, Z.S. Jiao, N.K. Boyd, 2001, Delineation of Jonah Field Using Seismic and Sonic Velocity Interpretations, in D.S. Anderson...

Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia

Malcolm W. Wallace, Guy R. Holdgate, Jim Daniels, Stephen J. Gallagher, Andrew Smith

AAPG Bulletin

..., and sediment age. Sonic velocity can be predicted to a reasonable degree of accuracy from a simple linear function of burial depth and carbonate content...

First-Arrival Traveltime Inversion in the CMP Domain: Method and Application

Search and Discovery.com

... the relationship between them. In the case of a linear increase in velocity with depth, the turning ray turns at the point of maximum depth...

Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).

Yong Hua, Don C. Lawton

Search and Discovery.com

..., the long-wavelength static value was calculated by using the final near–surface velocity model with a carefully chosen a lateral smoother...

Analytical Velocity Modeling for Offshore East Coast of India: An Approach Using VSP Time-Depth Dataset, #11036 (2018).

Nidhi Jindal, Anup K. Shahi, Kumar Hemant Singh

Search and Discovery.com

...Analytical Velocity Modeling for Offshore East Coast of India: An Approach Using VSP Time-Depth Dataset, #11036 (2018). Nidhi Jindal, Anup K. Shahi...

P-wave velocity inversion with average velocity analysis method

Yan Yuefeng, Jing Shaodong, Wang Yingwei, Zhong Chuhan

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the application of P-wave velocity is more significant. It is shown that Poisson’s ratio is sensitive to the wavelength (W)/depth (D) relationship...

Optimized downward continuation for the one-way wave equation in TTI media

Cosmin Macesanu, Faqi Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... To reduce the magnitude of these errors, the reference velocity at each depth may be replaced by a velocity function which is a smooth version...

Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)

Emil Blias

Search and Discovery.com

.... A velocity model, beyond its initial purpose to obtain a seismic stack, is used for time and depth imaging, AVO analysis and inversion, pore pressure...

How to Make Velocity Corrections

John W. Daly

AAPG Bulletin

... assumes a linear increase in instantaneous velocity with depth the ray paths are circular. This is one of the more common assumptions used by up-to-date...

The SDP Dip Plotter

W. S. Hawes

Oklahoma City Geological Society

... of velocity with depth is present. Figure 2 shows the form for the classical case of linear increase of velocity with depth. This, of course, is the type...

The identification and cause analysis of abnormal velocity in the western part of Shaleitian Bulge

Zongyu Zhen, Gang Peng, Xuefeng Zhou, Bo Xi

International Meeting for Applied Geoscience and Energy (IMAGE)

... conversion based on the horizons in time domain and average velocity. (2) the trend surface is calculated by using the data in the depth domain...

Slide Rule Seismic Computations

Robert H. Mansfield

Oklahoma City Geological Society

... a wide range of possible velocity functions. The circular ray path obtained by using a linear increase of velocity with depth provides a rather accurate...

Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.

Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... employing a single Time-Depth function, all velocity models were constructed using tops and seismic times from 22 wells as input with two wells, Vigia-4...

Complex Model Building using Objective Construction of Curve Ray Time Migration Moveout with Geologic Constraints, #41596 (2015).

Kerry Stinson, Shlomo Levy, Edward Crase, Wai-Kin Chan

Search and Discovery.com

... geologic interval velocity model is tested using prestack depth migration, and also as the initial model for subsequent prestack depth updating...

Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014)

Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F. Margrave

Search and Discovery.com

...Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014) Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F...

Crustal thickness and velocity structure of southern Peninsular Malaysia

Abdul Halim Abdul Latiff, Amin Esmail Khalil

Geological Society of Malaysia (GSM)

... the inverted waveform indicate a gradual velocity increment from Conrad boundary (around 10-12 km depth) to Moho thickness in both cases. The findings...

Tomography Techniques Applied to Near Surface Velocity Models in Complex Areas of Colombia

Jorge Monsegny, Saúl Guevara

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... the intersection of hyperplanes in the velocity model space (Stewart, 1991; Lo Tien, 1994). Nevertheless, the basic formulation of these linear methods...