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Using the WITSML™ protocol for analysis in Drillworks – past case studies and current applications
Drew SwansonMay 11, 2006
Outline
• Who is Knowledge Systems and what is Drillworks
• Importance of Real-time Decision Making
• 4 WITSML Case Studies
• Current WITSML Project and Drillworks
Software
– • Advanced geomechanics and geopressure
technologies
• Relational database used to store, manage and share pressure-related data
Services– Planning
• Pre-drill pore pressure analysis
• Wellbore stability analysis• Borehole trajectory planning• Mud weight optimization
– Surveillance• Wellsite monitoring• Real-time model updating• Remote operations• WITSML data transmission
– KnowledgeManagement
• Pressworks database
implementation
• Data loading
• Connector building
• Quality assurance
Using WITSML to avoid NPT
• Stuck Pipe
• Kick
• Lost Circulation
• Sloughing Shale
• Flows
• Wellbore Instability
• 41% of total NPT• US $8B+ Annually
James K. Dodson Co. 1993-2002 Year NPT Analysis
(Offshore, Jan 2004)
Reduce NPT with Real-time Surveillance
•Acquire quality data
•Transport data to observers
•Convert data to information
•Communicate information to decision-makers
Case Study #1 Background
• 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
Installation
• Baker Hughes Inteq installed WITSML v1.2 server in Port of Spain
• <30 Minutes in BP Houston Offices
– Installed Drillworks ConnectML on client PC
– IP Address, UN, Pass, Configuration for server connection
– Configure Drillworks data links to ConnectML
– Expert begins modeling using real-time data
– Expert activates WITSML server to make interpretation available to rig
Installation
• Baker Hughes Inteq installed WITSML v1.2 server
• <30 Minutes in Client Houston Offices
– Installed Drillworks ConnectML on client PC
– IP Address, UN, Pass, Configuration for server connection
– Configure Drillworks data links to ConnectML
– Expert begins modeling using real-time data
Case Study #3 Background
• Client in case #2 switched LWD vendors
• Scenario typically causes multitude of data transfer issues
• Requires significant work on both sides to regain connections
Installation
• Schlumberger installed WITSML v1.2 server
• <10 minutes to reconfigure system
– IP Address, UN, Pass, Configuration for server
connection
– Configure Drillworks data links to ConnectML
– Expert ready for modeling using real-time data before
first tools run in hole
Case Study #4 Background
• Shelf project in Gulf of Mexico
• Precise casing set requirements due to PP ramp
• Limited rig space for additional personnel
• Economics would not support onsite analyst
• Client requested synchronous remote surveillance
Installation
• Schlumberger installed WITSML v1.2 server
– No apparent delay, unknown install time
• <30 minutes to configure WITSML client system
– IP Address, UN, Pass, Configuration for server connection
– Configure Drillworks data links to ConnectML
– Expert ready for modeling
Lessons Learned
• WITSML updates slower than WITS
– Internet time versus direct cable time
• Concurrent use of proprietary system (Riglink, Interact) aids in
monitoring data dead zones
• System is still imperfect, and requires companies to collaborate on
problems
• WITSML must be planned before a project.
– Connections attempted as after thoughts have failed.
Key Accomplishments - Technology– Short connect and configure time of <30 minutes
– No special hardware or IT involvement required
– Low cost
– Secure synchronous and asynchronous data
exchange
– Omni-directional, multi-user data movement
– Portable
Key Accomplishments - Operations
– Maximum utilization of bandwidth, data and expertise
– Cross discipline collaboration
– Delivered the right information to the right people, at
the right time
– Better decisions resulting from right time, expert
analysis
WITSML Status at Knowledge Systems
• WITSML connection to Drillworks happening everyday around the world
• One client in Houston (Mid-size) has 3 rigs running today with WITSML to
Drillworks in GOM
• Another client in North Sea has 2 rigs connecting via WITSML to
Operations Center
• No longer theory…Contributing to the bottom line right now!
* SPE Paper 99466