WITSML Implementation in Shell

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WITSMLImplementation in Shell

• POSC User Group Meeting
• October, 2002

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What is WITSML?
WITSML
WITS Wellsite Information Transfer
Standard Level 0 Ascii format Fixed
pre-defined Records Level 1 Binary format
Level 2 Limited two-way dialog via comments
records Level 2b Buffering Level 4 RP66
Formatting (self-defining format) ? XML
eXtendible Markup Language Self-describing Data
in ASCII Format Message Transport via Web
Services standards WITSML replace x by
WITS in XML
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Whats lacking in WITS?
WITS

• Support for new Well Engineering solutions
• Outdated data records (especially MWD)
• Restrictions on of drill string / casing
  sections
• Inflexibility for handling different units
• Very limited capacity for handling static well
  data
• Limited bi-directional capability for well site
  decisions
• Support for web-enabled Software Solutions
• Binary formats are not platform independent
• Data Extensions are difficult (not
  self-describing)
• No standard message transport
• No standard application programming interface
• Too many implementation choices (complexity)
• Point-to-point (RS232)

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Shell WITSML Objectives

• Improve decision-making by seamless flows of
  right time data
• Provide for vendor neutrality
• Enable sustainable and innovative solutions
• Future well engineering technology
• Larger scope of XML in Well Delivery Services
  Operations
• Promote industry standards

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Target Implementation
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Achievements 2002

• WITSML Specs. for Well delivery Drilling
• Data objects definition as XML schemas
• Interface documentation (API)
• Sample implementation
• Commercial Products under development
• Custodianship to POSC for extensions
• Completions
• Well services
• Production Operations

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Shell WITSML Pilot Field Test

• Business Objective
• Demonstrate improved decision making in the
  well delivery process by enabling seamless flow
  of well site data between service companies and
  operators.
• Technical Objectives
• Assess performance of WITSML Server under field
  conditions
• Identify issues related to message transport
  across WAN
• Test integration with existing Drilling Reporting
  systems
• Test real-time data APIs with prototype
  applications
• Validate use cases and modes of operation
  (publish-subscribe, query)
• Time Frame
• 4Q2002 Beta test of candidate release of
  software in Lab
• 1Q2003 Pilot Field Test

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WITSML Drilling data objects

• Well
• Wellbore
• Rig
• Rig Equipment
• Pump
• Location
• Units
• Trajectory
• Target
• Bit Record

• Bottom Hole Assembly
• Wellbore Geometry
• Casing Scheme
• Open Hole
• Daily Operations
• Fluids Report
• Cement Job
• Log
• Real Time
• Mud Logging
• Custom Data Objects

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Field Test - pilot setup
-
.
Gulf of Mexico Rig
LAN
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Beyond Pilot

• Participate in WITSML SIG extending and improving
  the standard
• Position applications portfolio for WITSML
  capabilities
• Develop Data Management strategy for real time
  data and use cases
• Plan for deployment (based on recommendation from
  pilot)

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www.witsml.org
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