Energistics Geophysical SIG Initiative

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• Energistics Geophysical SIG Initiative
• An appraisal

29th Oct 2007 CEC, ONGC Conference Hall New
Delhi
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Push for Geophysical Standards with Energistics
PetroTech January 2005 Delhi ONGC presented the
need for an SIG for Seismic data in the
Energistics ( earlier known as POSC ) Meeting in
Delhi in Jan 2005. ONGC presented its
Standardization Efforts taken up in Seismic Stack
data headers (SEGY Headers ) during its EPINET
implementation.
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Push for Geophysical Standards with Energistics
SPG January 2006, Kolkata ONGC and Energistics
( earlier known as POSC ) hosted a preliminary
Geophysics SIG meeting during SPG 2006 meet.
The Participants included CGG, EAGE, Landmark,
BP, SEG, Western GECO, Paradigm, Reliance, GSPC,
Essar Oil, Satyam Computers, Energistics/POSC and
ONGC.
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Feedback from SPG-06 Seismic SIG Meeting
Important suggestions during the SPG-06 Seismic
SIG meeting

• Standards should be developed for Asia or Far
  East or world wide.
• SEG standards committee should be involved in
  making the standards. Standards should have
  enough flexibility to allow variation and
  survival for long time.
• Reconciliation of different types of data should
  be taken care of.
• Standards are to be set to take care of multiple
  attributes.
• The Indian extension of SEGY standards could be
  made which could possibly be accepted by others
  at later date.
• Standards are user driven and standardization
  requirement should be identified for data
  acquisition and processing.

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Feedback from SPG-06 Seismic SIG Meeting
Important suggestions during the SPG-06 Seismic
SIG meeting

• Integration of Seismic and non seismic data and
  need of the future will be kept in mind during
  acquisition and processing. Operators may be
  asked to adhere to the standard acquisition
  parameters.
• Standardization is needed for the parameters
  which are changing from one vintage to another.
• Data should be standardized technology wise in
  segments e.g. IFP, Sigma Delta, media used
  etc.
• It is to be decided that which data needs to be
  shared and accordingly standards should be
  developed for different stages of API.

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Push for Geophysical Standards with Energistics
SPG Jan 2006 Seed list for seismic
standardization works emerged

• As ONGC has started standardization of post-stack
  data storage in India, Need to associate SEG with
  its efforts.
• Need for standards at the acquisition stage and
  subsequently for processed and interpreted data.
  
• Need to capture the meta data without the
  intervention of the processor/interpreter.
• Business need for portability of seismic data in
  exchanging and sharing.
• Business case for standards in seismic data being
  generated to enable exchange and transfer in the
  expanding Indian EP industry.
• Business need for Interoperability of Geophysical
  Data Results with other EP data results for
  building integrated GG models.

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Push for Geophysical Standards with Energistics
2007 Energistics Regional SE Asia SIG Meeting
Jan 2007 Delhi Internally ONGC created a Seismic
Task Force to look into the data Standards
practiced and required in Seismic domain. ONGC
presented a public request for need of
Geophysical SIG in Energistics Regional SIG
Meeting in Delhi in Jan 07 ( details follow
) Energistics Geophysical SIG Workgroup for
Geophysical Standards Assessment is being
initiated with initial funding from ONGC.
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Status of present Standards
Gist of Study by the Task Force As presented in
Jan-07 Meet
The seismic data storage formats are well
documented . However updating all relevant
information in SEG and UKOOA formats are needed
to share and exchange both seismic and associated
position data. Standardization of acquisition,
processing flows, velocity, and interpretation
etc. data can be based on XML (Extensible markup
language) that was designed to describe data and
to focus on what data is. Standards are to be
specified for the compression algorithms for
seismic trace data for transfer of data over
networks both lossy and lossless compression
techniques Accepted and adopted Standards for
storing final maps as an archival format and also
for distribution purposes over the network
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Way Forward for achieving standardization in
Geophysical domain As presented in Jan-07 Meet

• Review of In-house standardization (Naming
  Standards / Conventions) efforts of ONGC by
  Energistics.
• Requirement study of all the parameters to be
  stored in Observers report, Line summary, QC
  reports at Acquisition end parameter to be
  stored in EBCDIC/BINARY/TRACE Headers. ( To be
  taken up by ONGC in association with Energistics
  )
• The feasibility study of writing Observers
  report, Line summary, QC reports Navigation
  along with raw data in SEGD format.
• XML based data formats for Velocity data.
• XML based Data exchange standards for Meta data.
• S/W for Porting Interpreted results to master
  Database and vice versa.
• Achieving Geophysical data interpretation
  layers interoperability amongst key applications
  ie. Openworks/ GeoFrame/ Stratimagic etc.
• Interoperability of Geophysical Data Results
  with Geological/ reservoir/ Petrophysical/
  Production data results for building integrated
  GG models better understanding of reservoir
  production behavior.

10

• Thank You

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Public Request suggested by ONGC for Energisitics
Seismic SIG implementation
Gist of Study by the Task Force As presented in
Jan-07 Meet
Energistics to form Geophysical Work-Group and
take-up the issues globally
Review of ONGC In house standardization efforts
on naming conventions, header standardization by
Energistics. Oil companies/ Operators to adopt a
common standard in the region or globally though
a joint-study by oil companies. The feasibility
study of writing Observers report, Line summary,
QC reports Navigation along with raw data in
SEGD format SEG body to take up with oil
companies / service providers providing the
necessary inputs. S/W vendors, service companies
to work in extracting the information from SEGD
directly into processing software. XML based
data formats for Velocity data Service companies
/ s/w vendors with support from Energistics. XML
based Data exchange standards for Meta
data Service companies / s/w vendors with
support from Energistics. S/W for Porting
Interpreted results to Master Database and vice
versa Oil companies / s/w vendors with support
from Energistics GeoShare standards.