Simultaneous Sources: Introduction to Acquisition and Processing and Recent Advances

Short Course

Date
23 - 23 July
Location
Kuala Lumpur, Malaysia
Registration
Closed
Call for papers
Closed

 


Simultaneous Sources: Introduction to Acquisition and Processing and Recent Advances

 

Instructor

   Craig J. Beasley (Independent) 

Duration

   1 day (23 July 2018)

Language

   English

EurGeol

   5 CPD points

 

Course description

The concept of shooting seismic sources in an overlapping and interfering way to increase productivity and quality while reducing costs has been around for some time. Since it was reintroduced in the late 1990’s this type of data acquisition and processing has received much attention and has progressed to the point that it is now an accepted method under many circumstances. This course will provide an introduction, based on the history of the subject, to the necessary concepts to understand the benefits as well as challenges that still remain for simultaneous source data. The course will strive to achieve a balance between the practical and theoretical issues and will finish with a look at recent innovations that indicate the near future of this exciting new paradigm in seismic data acquisition. 

 

Course objectives

 At the end of the course, the student should be able to:

 
1. Explain the potential benefits of simultaneous source data acquisition
2. Appreciate the issue of cross talk between sources and methods for dealing with it
3. Understand the fundamental concepts of separation of interfering sources
4. Understand how to simulate simultaneous source acquisition and evaluate it
5. Understand the process of evaluation of benefits and drawbacks of a particular acquisition scenario involving simultaneous sources

 

Course outline

 Chapter I:  The Beginning

  •   The cocktail party effect
  •   Early land investigations
  •   Marine seismic interference
  •   More land investigations
  •   Wireless transmission 
 Chapter II:  The Reawakening
  •   Marine simultaneous sources
  •   Separation algorithms
  •   Land and OBC simultaneous sources
 Chapter III:  Towards Commerciality
  •   Simulating simultaneous source surveys
  •   First marine commercial simultaneous source survey
  •   Simulation case studies
  •   Simultaneous source QC
  •   The big surprise: simultaneous sources are actually better!
  Chapter IV:  Recent advances and the future 
  •   Improvements in separation algorithms
  •   New acquisition sources and encoding techniques
  •   Compressive sensing
  Chapter V:  Workshop
  My company wants to look at doing a simultaneous source survey.  What is the recommendation?

 

Participant's profile

The course will attract a wide variety of geophysicists with varied background. Some material is appropriate even for the non-geophysicist interested in the economics issues, however the ideal student will have a firm knowledge of conventional seismic acquisition and processing.

 

Pre-requisites

Participants should have a basic knowledge of seismic acquisition methods and processing.

 

About the instructor

Craig BeasleyCraig completed B.S.,  M.S. and Ph.D. degrees in mathematics and then joined  Western Geophysical 1981.  He has spent his entire career in Schlumberger companies and their antecedents serving in various technical and management positions including VP for R&D and VP, Data Processing.  He has received technical and honorary awards from entities such as Litton Industries, Schlumberger and the Society of Exploration Geophysicists, among them the SEG Award for Best Presentation.  He has twice received honorable mention for the Best Paper in Geophysics.  He is an Honorary Member of the Society of Exploration Geophysics (SEG) and of the Geophysical Society of Houston and is a Foreign Member of the Russian Academy of Natural Sciences.  He has presented papers and published widely on a variety of topics ranging from prestack imaging, migration, acquisition and the connections between acquisition, processing and imaging.  He pioneered Simultaneous Source technology and has recently worked in broadband seismic techniques and new methods for sparse inversion. He was the 2001-2002 SEG 1st Vice President and  the 2004-2005 President of the SEG.  He served as the Fall 2009 SEG Distinguished Lecturer as well as the Esso Australia Distinguished Lecturer and as 2014 EAGE Distinguished Lecturer.  He was the Founding Chair of the SEG Committee for Geoscientists without Borders. He has enjoyed postings in Singapore and Rio de Janeiro and now is in Houston, recently retired as Chief Geophysicist for WesternGeco and Schlumberger Fellow (Emeritus). In retirement, he has served as the General Chair for the 2017 SEG Annual Meeting in Houston and sits on the board of the SEG foundation and is enjoying pursing his passion for underwater photography and video.