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Fluid Properties

Fluid Properties. John Bobbitt Mar 23, 2006. Background. ExxonMobil implemented an XML schema solution for uniformly transferring fluid property lab reports. In 2004, ExxonMobil asked POSC to evolve their work into industry standards.

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Fluid Properties

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  1. Fluid Properties John Bobbitt Mar 23, 2006

  2. Background • ExxonMobil implemented an XML schema solution for uniformly transferring fluid property lab reports. • In 2004, ExxonMobil asked POSC to evolve their work into industry standards. • Last autumn, we adapted the XML material within the WITSML architecture

  3. Context: Who, what, when, where Sampling info and conditions Sample Test metadata, equipment, parameter settings, lab procedure Tests Header Raw Data Result Tables Sample Results Derived sample properties, interpretations. Generalized Lab Test Model Documents

  4. Fluid Sample Saturation Test Differential Liberation Test Constant Composition Expansion Test Transport Properties Test Constant Volume Depletion Test Separator Test J Curve Test Apply to Fluid Sample

  5. Each Test A Test Test Steps

  6. Raw Data Generalized Lab Test Model Sample Fluid Sample Tests Header The 7 Tests Result Tables The Test Steps Documents Fluid Properties

  7. Applying Generalized Lab Test Model to Fluid Properties • Several tests are modelled. • Determine PVT properties, phase curves, sample constituents/ composition. • General sampling context (wellhead, separator tank, completion, etc)

  8. Next Step: Form Work Group • Initial version of schema has been developed • Follows the general lab test pattern • Need subject expert input to ensure that everything is placed correctly • Refine concepts about the tests • Need input for definitions and test understanding • Sample implementations • Positive indications from ExxonMobil to participate and to encourage others to do so • Can lead to review and publication as add-on to WITSML Production Standards

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