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Magnetic Resonance Imaging Log

blob:http%3A//10 The Magnetic Resonance Imaging Log (MRIL) service uses the principle of nuclear magnetic relaxation to provide formation evaluation petrophysical data including effective porosity, irreducible water saturation, movable fluid situation, permeability, and grain-size and pore-size distribution.

The measurement of the MRIL service primarily responds to the hydrogen protons in the pore space of the formation. This allows a measure of porosity. MRIL porosity, in contrast to compensated neutron porosity, does not include the hydrogen bound in the matrix of the rock, thus providing a lithology and clay-independent porosity value.

Applications

  • Improved reserves and producibility estimations
  • Lithology-independent porosity and effective porosity
  • Irreducible water saturation
  • Permeability
  • Pore- and grain-size distribution

Operating Advantages

  • Reduces rig time by combining with other logging services
  • Increases logging speeds to 15-30 ft/min
  • Runs in standard mud systems

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