PWLS SIG

1
PWLS SIG

• Area of Interest
• the practical definition, movement, and storage
  of EP well log data.
• This group is essentially a cross-vendor,
  cross-product line user community for well log
  data store, data conversion, and data transfer
  products.
• Players
• operators, service and software providers,
  government agencies, consultancies, and POSC.

2
PWLS SIG

• Active POSC members include
• Oil companies ExxonMobil, Shell, Hydro, Statoil
• Non-profit US DOI, Norway NPD
• Commercial Baker Hughes, Flare,
  Halliburton/Landmark, Oilware, Paradigm,
  Pathfinder, Schlumberger
• Other attendees included
• Oil companies DONG (Denmark), Shell, Anadarko,
  BP, Burlington Resources, Oxy, Pioneer Nat.
  Resources
• Commercial LogTek (Norway), National Oilwell,
  PetroData, ROQC, Tellus Software, Adaptable
  Technology, DrillingInfo, GTS Geotech, Volant
  Solutions

3
PWLS SIG

• History
• Evolved from PWLS project Phase 2
• PWLS Project published Version 1 standards in 01
• 6 major types of acquisition well logging tools
  addressed
• 3 major service companies involved
• Classification
• Good based on broad taxonomy of property
  (measurement) types
• Issue taxonomy was proprietary
• Issue alternate classification was also adopted

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PWLS SIG

• History
• SIG Meetings started in 03
• More players more oil company players
• Clear need to resolve classification issues
• Focus shifted to oil company calculated
• PWLS Version 2 released in 03
• POSC now has rights to the property (measurement)
  type taxonomy
• The alternate classification was eliminated
• Class attributes were added to enhance searching
• Joined and Interpreted curve mnemonics defined
• Supported in PPDM V3.7 work

5
PWLS SIG

• History
• SIG Meetings in 04
• Log / Service Classification use by Norways
  DISKOS (SINAS) described
• Changes to joined and interpreted specifications
  proposed by Shell
• Interest expressed in expanding the coverage of
  acquisition curve types
• SIG and Vendor Meetings
• BakerAtlas RECALL support for PWLS to be
  upgraded from Version 1 to Version 2 in early 05
• RECALL is a product in its own right and it is
  the also underlying engine beneath PetroBank from
  Landmark.

6
PWLS SIG

• Whats Next?
• Support vendor product development and oil
  company deployment activities
• Complete processing of current Change Requests
• Expand Acquisition Curve Classification Coverage
• More types of curves
• Additional acquisition service companies
• Improve user documentation and Web Service
  functionality
• Complete work on Calibrated Image specifications
• Pending review of initial results

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Alan DonigerPOSC Chief Technology Officer24
Greenway PlazaSuite 1000-BHouston, TX
77046-24011 713 267-5124 phone[phone]
faxDoniger_at_POSC.orghttp//www.posc.org