Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences

John Miller and Roland von Huene

AAPG Special Volumes

... have common midpoints at a common depth point (CDP). 3. Velocity analysis--applies the normal move-out (NMO) equation to the data using a series...

Unlocking Potential Reservoir of Pre-Parigi Carbonate to New Opportunity Gas Field; A Case Study of Belut Structure - Offshore North West Java

Lambertus Fransisco Yulianus, Yasinta Dewi Setiawati, Sandra Radiansyah, Prawoto I. Syuhada

Indonesian Petroleum Association

... more precise horizon interpretation. 2. Depth converting was using layer cake velocity model by adding control wells SUM-1 and SUM-3 (12 km distance...

Moho Topography Beneath the Alaska Range: Results from BEAAR - Abstract

Elizabeth Veenstra, Douglas Christensen

Alaska Geological Society

.../s and a mantle velocity of 8.2 km/s is used to calculate a suite of synthetic receiver functions using different interface depths; each stack...

PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study

Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang

Unconventional Resources Technology Conference (URTEC)

... anisotropic PSDM. Azimuthal velocity analysis using Wave Equation PSDM (WEM) azimuth angle gathers indicates a very weak level of overburden azimuthal...

PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)

Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang

Search and Discovery.com

... Niobrara to within 4 feet on a new well, but we show enough variation in Thomsen δ to justify anisotropic PSDM. Azimuthal velocity analysis using Wave...

ABSTRACT: Porosity and Formation Pressure Prediction from Seismic Data, by Ruben D. Martinez; #91043 (2011)

Search and Discovery.com

Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)

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A Reasonable View of the Seismic Anomaly

R. W. Dudley

Tulsa Geological Society

... error with depth simple averages were taken every 500 feet using the points of control in each computation through a depth range of 1,000 feet...

Transformation of Resistivity to Pseudovelocity Logs

Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs

AAPG Bulletin

... to anomalous drilling mud resistivities. Acheson, C. H., 1963, Time-depth and velocity-depth relations in western Canada: Geophysics, v. 28, p. 894-909...

Mapping Seismic Reflectors in Southern New York: Compensation for Velocity Anomalies in Glacial Overburden: ABSTRACT

Katherine J. Beinkafner

AAPG Bulletin

... immediately above and below can be mapped using the travel times between reflectors and velocity analyses to calculate isopach information between reflectors...

Geological Considerations during Microseismic Monitoring, Processing, and Interpretation of Hydraulic Fracture Treatment

J. Le Calvez, S. Hanson-Hedgecock, P. Primiero, T. Al-Wadhahi, O. Harrasi

Unconventional Resources Technology Conference (URTEC)

... a dip of 1.5-3o, 2439894 5 which was not included in the coarser velocity model. Using the dipped velocity model with finer blocking and smoothing...

The Limitations of Seismic Modelling of Geological Structures

B. L. N. Kennett

Petroleum Exploration Society of Australia (PESA)

... and not require extravagent resources if they are to be cost effective. avoided by working with velocity logs digitised in depth, if the synthesis...

Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation

Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg

Indonesian Petroleum Association

... is performed to quantify the residual mistie between horizon and markers in time and sub sequentially converted in depth using the vertical velocity (V0...

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

Peter Whiting

Geological Society of Malaysia (GSM)

... is applied, after which the NMO velocities are refined. This is done because DMO (even though it is applied using only an approximate velocity) removes...

A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

... of structure, the subsurface velocity profile, the hardness of the seafloor and the water depth. While WEMS does not depend on any subsurface properties...

Establishing Novel Views on Reservoir Compartmentalization Utilizing Systematic Data-driven Seismic Processing Frameworks

Riaz Alai, M Afiq B Mokhtar, Jun Wang, Yonghe Guo, Ecep Suryana

Indonesian Petroleum Association

.... Aqrawi and Boe (2011) showcased improved fault segmentation using a dip guided and modified 3D Sobel filter. Based on these, Alai et al. (2014...

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...

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... to dip, although this is usually a minor effect when using Common Midpoint data (Diebold and Stoffa, 1981). Another difficulty occurs when velocity...

Seismic Modeling and Expression of Common Fold-Thrust Belt Structures; #42266 (2018)

Jianjun Li, Shankar Mitra

Search and Discovery.com

... time and depth sections, and to avoid pitfalls in the seismic interpretation of natural structures. Modeling of seismic time sections using both post...

FetKin: Coupling kinematic restorations and temperature to predict thrusting, exhumation histories, and thermochronometric ages

Ariel Almendral, Wilmer Robles, Mauricio Parra, Andrés Mora, Richard A. Ketcham, and Michael Raghib

AAPG Bulletin

... in the age profile. Hence, as a rule of thumb, hill slope angles should not exceed the dip of the steepest fault. Thermochronometer Calculations The design...

Three Dimensional Exploration in California — A Case History

E. T. Selby

Indonesian Petroleum Association

... the interpreted stacking velocity analyses. The stacking velocity analyses. The stacking velocity functions were dip corrected and the smoothed at several key...

Abstract: Modeling on the Cheap: Creating a 3D Seismic Velocity Model with Common Software and Free Data

Search and Discovery.com

Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico

William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.

AAPG Special Volumes

.... The velocity of the weathering layer was derived from the inverse slope of the direct arrival event; calculations were made along each line wherever...

Incorporating refraction time-shifts into geophysical monitoring systems for monitoring shallow CO2 accumulations

Martyn Steel, Sjoerd A.L. De Ridder, Mike Branston, James Butt, Gabrielle Busanello

International Meeting for Applied Geoscience and Energy (IMAGE)

... that for a two-layer homogenous isotropic medium with increasing velocity with depth (Figure 1), that there is an observable refraction time-shift which can...

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... information for the NMO correction when the dip angle is large. This technique will be very effective compared to sole DMO, when the velocity changes...