Practical considerations for computing the kernels of reflection-based full-waveform inversion

Houzhu (James) Zhang, Hong Liang, Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Ji, and Z. Li, 2009, Subsalt velocity update and composite imaging using reverse-time-migration based delayed-imaging-time scan: Geophysics, 74...

Sediment Compaction the Achilles Heel of Basin Modelling

Roy H. Gabrielsen

GEO ExPro Magazine

... equilibrium is reached, through the analysis of reservoir and source rock distribution, identification and evaluation of traps, maturation, migration...

Significant Erosion during Development of the Middle Miocene Unconformity and Its Effect on Hydrocarbon Generation in the Gulf of Thailand; #20084 (2010)

Masahi Fujiwara

Search and Discovery.com

... is estimated to be approximately 4500 feet based on the shale compaction trend analysis using sonic log data. Interval velocities at the Erawan-1 well...

Violet Grove CO2 Injection Project: Monitoring with Timelapse VSP Surveys; #80440 (2015)

Marcia Couëslan, Don Lawton, Michael Jones

Search and Discovery.com

... with Schlumberger DCS in Houston, Texas for his advice on the wavefield separation, anisotropy analysis, and velocity modeling, and migration. I would also...

VSP Survey in the Thonex Geothermal Well … New Characterization of Potential Carbonatic Geothermal Reservoirs, #80646 (2018).

Luca Guglielmetti, Andrea Moscariello, Flavio Poletto,, Piero Corubolo,, A. Scheifer,, B. Farina, Fabio Meneghini, Francois Martin, Carole Nawratil de Bono,, Michel Meyer, Chrystel Dezayes, Adnand Bitri

Search and Discovery.com

.... • Velocity analysis on VSP data from near and offset VSPs • Wavefield separation • FK filter design and application for upgoing wavefield...

Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)

Faranak Mahmoudian, Gary F. Margrave, and Joe Wong

Search and Discovery.com

... both for the velocity analysis and depth migration. Table 1: HTI anisotropy parameters for the reference system in Figure 1, A13 is density...

Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging

S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin

Indonesian Petroleum Association

... close resemblance. Overlay of sonic (black), legacy time migration velocity (red) and final velocity model (green). Figure 4 -Comparison of legacy...

Selective Entrainment of Sediment Graded by Size and Density Under Waves

Matthew R. Tomkins, Peter Nielsen, Michael G. Hughes

Journal of Sedimentary Research (SEPM)

... diffusion process, settling velocity would be expected to strongly affect sediment distribution. This was not observed during present trials. In fact...

Garden Banks 460 #1

Barry Gouger

Houston Geological Society

... migration to improve the imaging of the deep target.   The secondary objectives were Pleistocene age sands with associated seismic amplitude...

Gas Hydrates at the Storegga Slide on the Mid-Norwegian Margin, by Stefan Bunz, Jurgen Mienert, and Karin Andreassen; #90035 (2004)

Search and Discovery.com

Seismic Reservoir Characterization of a Gas Shale Utilizing Azimuthal Data Processing, Pre-stack Seismic Inversion and Ant Tracking

David Paddock, Christian Stolte, John Young, Patricia Kist, Lei Zhang, Javaid Durrani

West Texas Geological Society

... open fractures. Delineation of Gas-Charged Open Fractures Azimuthal velocity analysis for anisotropy was used to delineate areas of abundant open...

Seismic Imaging at Conger: Lessons Learned in Gulf of Mexico Subsalt Imaging

Thomas C. Bergeon, Brad A. Robison

GCAGS Transactions

... field work in the Conger area also involved significant areas where standard velocity analysis was not able to flatten reliably stacklamps underneath salt...

Renewed Field Development Plan from Recently Found Uncertainty in Sungai Gelam Field, South Sumatra Basin, Jambi

Reza Rahadian, Erwin Dicky Dusyanto, Adi Widyantoro, Oki Musakti, Hendra Baskara

Indonesian Petroleum Association

... components include elastic log editing, shear velocity estimation, rock physics analysis, amplitude variation with offset (AVO) analysis, pre-stack...

Abstract: Image Enhacement After Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

...Abstract: Image Enhacement After Migration; #90174 (2014) John C. Bancroft, Thais Guirigay, and Helen Isaac AAPG Datapages/Search and Discovery...

Formation Clays: Are They Really a Problem in Production?

George E. King

Special Publications of SEPM

... 20 15 10 FLUID FLOW RATE FIG 6 Fines migration velocity test 25 30 CM7SEC effect Frobisher Formation ential pressure involved in the test...

Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... between the inversion result and the starting velocity model or the difference between the inversion results from two different stages. Such analysis...

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... a b Figure 14a: Velocity analysis before ZMULT. b: Velocity analysis after ZMUL T. Model-Based Procedures There have been several recent advances...

Exploration of the North Madura Platform, Offshore East Java, Indonesia

Rachmat Mudjiono, Gadjah Eko Pireno

Indonesian Petroleum Association

... modeling following analysis of source rock type and quality, geothermal gradients, and regional structure and stratigraphy. This study showed migration...

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

... interval. For example, for 60 Hz data and a velocity at target depth of 3000 m/s, the vertical resolution (1/4 wavelength) is 6.25 m. If migration up...

Integrated Interpretation in the Deep Water Gulf of Mexico Examples from the TGS Phase 45 Deep Water Reconnaissance Program

Brian S. Anderson, John E. Bain , Dr. David Hall, Rob Brooks

GCAGS Transactions

... aeromagnetic data have been recently acquired and more acquisition is in progress. The use of high-resolution gravity in seismic velocity analysis and the use...

ABSTRACT: Model for Hydrocarbon Migration and Entrapment, by Urban S. Allan; #91043 (2011)

Search and Discovery.com

Prediction of multiple origin overpressure in deep fold-thrust belt: A case study of Kuqa subbasin, Tarim Basin, northwestern China

Changyu Fan, Gang Wang, Zhenliang Wang, Xiaojie Han, Jie Chen, Kuaile Zhang, and Baoshou Zhang

AAPG Bulletin

... traps: Discussion: AAPG Bulletin, v. 83, no. 8, p. 1279–1283. Asquith G. B., Gibson C. R., 1982, Basic well log analysis for geologists: AAPG Methods...

Abstract: Reservoir Prediction Using the Forest and the Trees: Reducing Reservoir Risk and Uncertainty in Deepwater Gulf of Mexico Exploration by Using a Wide Range and Scale of Predictive Tools

Cindy A. Yeilding, Eric J. Edstrand, Christopher J. Travis, J. Doug Boyd, Roger Reagan, Dennis M. Urban, and John D. Oldroyd

Houston Geological Society Bulletin

... and lithology interpretations, and structural analysis of subsidence patterns, fault movement, and salt migration. Key products are a detailed...

The lithospheric structure and deep processes of the Mesozoic mineral systems in east China: constrained from integrated geophysical data

Qingtian Lü, Guixiang Meng, Jiayong Yan, Jinhua Zhao, Xuejing Gong

Petroleum Exploration Society of Australia (PESA)

... for terrane-scale analysis includes: broadband seismic, deep seismic reflection, wide-angle reflection/refraction and longperiod magnetotelluric (MT...

Backset Bedding in Turbidites: A Further Example from the Cloridorme Formation (Middle Ordovician), Gaspe, Quebec

Keith Skipper , S. B. Bhattacharjee

Journal of Sedimentary Research (SEPM)

... migration of antidunes. A suitable analysis for the formation of antidunes by density currents uses an equation appropriate for internal waves...