WITSML in Real Life

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• WITSML in Real Life
• Applications and Case Studies
• Zach Barfuss
• Knowledge Systems
• May 15, 2008

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Agenda

• Introduction to Knowledge Systems
• Value and technology
• WITSML case studies
• Real-time center environment
• Summary and conclusions

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Who is Knowledge Systems?

• Knowledge Systems is the worlds leading provider
  of geopressure and geomechanical analysis
  software and services
• Our technology is the most widely used software
  for pore pressure estimation, geomechanics and
  real-time surveillance
• Our consulting team provide office and well site
  services globally
• 100 people

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Knowledge Systems - technology

• Advanced geomechanics and geopressure
  technologies
• Relational database used to store, manage and
  share pressure-related data

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Drillworks ConnectML

• Retrieves WITS or WITSML industry standard
• data for real-time pore pressure and
  geomechanical
• analysis.
• The data browser allows you to
• Retrieves LWD and surface logging data from any
  vendor system
• Transmits real-time data over the Internet for
  global access
• Provides quick, easily accessable data using
  Drillworks applications

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Link pre-drill studies with drilling activity

• Updating pre-drill models in real-time
• Improves results
• Decreases uncertainty
• Two ways
• Synchronous continuous monitoring and updating
  (analyst deployed to rig)
• Asynchronous periodic updates once or twice a
  day (remote monitoring)

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Reasons to use Drillworks ConnectML

• Reduce non-productive time
• Reduce uncertainty while drilling
• Create a high quality wellbore

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Drillworks ConnectML Workflow
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WITSML - case study 1

• Deepwater well offshore Trinidad
• Significant uncertainty in subsurface environment
• High potential for unscheduled events related to
  uncertainty
• Need for real-time geomechanics modeling
• Operator domain expert is not offshore deployable
  resource
• Unplanned requirement low budget short fuse

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WITSML - case study 1

• WITSML used to communicate LWD data from offshore
  Trinidad
• Received into Knowledge Systems Geostress WBS
  application in Houston
• Geomechanics expert performed analysis, then
  transmitted data back to the rigsite analyst

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WITSML - case study 2

• LWD Vendor replaced on rig
• Scenario typically causes multitude of data
  transfer issues
• Requires significant work on both sides to regain
  connections
• WITSML provided seamless hookup to new vendor
• Did not affect data transfer or remote modeling
  operations

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WITSML - case study 2

• Schlumberger installed WITSML v1.2 server
• lt10 minutes to reconfigure system
• IP Address, User Name, Password, Configuration
  for server connection
• Configure Drillworks data links to ConnectML
• Expert began modeling using real-time data
• Expert activated WITSML server to make
  interpretation available to rig

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RTOC Physical Layout
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Real-time center environment

• Provide collaborative atmosphere
• Sharing project data among analysts
• Distributing information to the stakeholders
• Connections to all corporate data
• OpenWorks, Geoframe, Recall, Finder
• Facilitates data gathering and browsing
• Robust interface to rig

All based on web services and WITSML
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KSI RTOC Strengths

• Diversified experience on part of team members
  (drilling operations, MWD/LWD, directional,
  petrophysics, geomechanics, drilling fluids)
• Have experience with real-time monitoring/surveill
  ance
• Has a reputation for competence in pore pressure,
  fracture gradient, wellbore stability analysis
  has some depth of experience and academic
  expertise in these areas.
• Has good software tools for PP-FG-WBS analysis

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Statoil workflow - before

• Direct connection between engineer and rig
• Isolated from corporate data
• Non-collaborative environment

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Statoil workflow - after

• Improved connectivity
• WITSML connections from the rigs
• WITSML connections to corporate data
• Delivers increased collaboration among analysts
  and stakeholders

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Summary and conclusions

• KSI is using WITSML technology everyday in
  conventional ways
• Remote data transfer
• Improve collaboration between rig and office
• We are also using WITSML technology in
  unconventional ways
• Connect to corporate databases through a standard
  protocol

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Visit www.knowsys.com For more information