Page 408 - KAPPA - Ecrin v4.30 tutorials

Ecrin v4.20 - Doc v4.20.01 - © KAPPA 1988-2011 Rubis Guided Session #5: Thermal Option • RubGS05 - 8/24
Fig. B04.4 • Second perforation
Click on the ‘Perforation tab’ and adjust/check your geometry, so that the values of MDs are
the same as on the figure B04.5: Perforation ‘Perf #1’, MD from 8264 ft to 8392 ft, and
perforation ‘Perf #2’, MD from 8161.5 ft to 8223.16 ft.
Fig. B04.5 • Adjustment of the second perforation
We keep the defaults for the opening and closing time, i.e. these options are unchecked. In
this case, all the perforations will be opened at the time of the first well control, and will never
be closed. We will see later in the session how to open and close the perforations during the
simulation.
Note: When several perforations coexist and are opened, there may be some crossflow from
one layer to another through the perforations, especially when the well is on shut-in mode.
Click on the ‘Wellbore’ button to edit the wellbore model that will be applied to compute
the pressure drop along the well. In the following dialog set to ‘All trajectory’, meaning that
the wellbore model will be used along the reservoir section to the wellhead. Rubis has the
ability to use a much more complex well model, including total trajectory of the well, different
IDs, different roughness, different thermal gradients and different pressure drop models along
the well. The use of third party lift curves is also supported.