witsml in real life applications and case studies zach barfuss knowledge systems may 15, 2008
TRANSCRIPT
WITSML in Real Life
Applications and Case Studies
Zach Barfuss
Knowledge Systems
May 15, 2008
Agenda
• Introduction to Knowledge Systems
• Value and technology
• WITSML case studies
• Real-time center environment
• Summary and conclusions
Who is Knowledge Systems?
• Knowledge Systems is the world’s 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
Knowledge Systems - technology
• Advanced geomechanics and geopressure
technologies
• Relational database used to store, manage and
share pressure-related data
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
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)
Reasons to use Drillworks ConnectML
• Reduce non-productive time
• Reduce uncertainty while drilling
• Create a high quality wellbore
Drillworks ConnectML Workflow
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
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
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
WITSML - case study #2• Schlumberger installed WITSML v1.2
server
• <10 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
RTOC Physical Layout
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
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/surveillance
• 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
Statoil workflow - before
• Direct connection between engineer and rig
• Isolated from corporate data
• Non-collaborative environment
Statoil workflow - after
• Improved connectivity – WITSML
connections from the rigs
– WITSML connections to corporate data
• Delivers increased collaboration among analysts and stakeholders
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