Emeraude v2.60 – Doc v2.60 - © KAPPA 1988-2010
Guided Interpretation #9 • B09 - 11/22
Fig. B09.12 • Hide parts dialog
The user is offered the possibility to hide parts of the selected pass on the depth interval just
defined with the mouse, above or below a certain value. The choices can be applied to other
passes too and/or to any other type of data.
¾
Select ‘Apply on: Any Fluid velocity Data’.
¾
Tick VASPIN1, VASPIN2 and VASPIN3 for pass Up1.
¾
Tick VASPIN2 and VASPIN3 for pass Up2.
¾
Tick VASPIN1, VASPIN2 and VASPIN6 for pass Up3.
¾
Tick VASPIN1 and VASPIN2 for pass Down1.
¾
Tick VASPIN2 and VASPIN3 for pass Down2.
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Tick VASPIN2, VASPIN3 and VASPIN4 for pass Down3.
¾
Click on OK.
Passes Up1 and Down1 show bad data and will be ignored in the MPT processing later.
B09.3 • MPT Processing
The MPT processing allows calculating, at any depth, one centered value from distributed
measurements. This possibility is offered by reconstructing the probe measurements on the basis
of a 2D representation of the holdups and the velocity, with the possibility of adding external
constraints. The 2D model parameters are evaluated by matching the reconstructed data on the
raw data, using a non linear regression.
Once obtained, t
he 
reconstructed values for the holdups and the velocities
are combined to
calculate the local phase velocities. By integrating this information over the cross-section at every
depth, the average phase rates and holdups are produced, waving the need for slippage models.
These averages are then used to feed a conventional PL interpretation.