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The automatic gridding of a well with any trajectory has been the most challenging numerical development for KAPPA to date. Developing a numerical model for a simple slanted well was already a challenge. Naturally, analytical well index calculations are easy to implement, but this works for coarse grids only and with commensurate large time steps. It also means the characteristics around the well, particularly in the vertical direction, bring little value. However, if one wants to model the shut-in for such a well, with logarithmic time sampling, it is necessary to create a series of grids that will handle the very early time radial or elliptical flow towards the wellbore, the vertical diffusion when the well is of limited entry,...

he objective of this document is to give a quick yet exhaustive overview of the v4.12 additions. Items have been split into the following categories: Analysis – Saphir – Topaze – Diamant – Rubis – Generic. The format is deliberately concise. For more detailed information, please refer to the Update Notes available on the Ecrin v4.12 download page. Amethyste: Well Performance Analysis Ecrin v4.12 includes major additions to existing modules but Ecrin v4.12 also integrates a whole new module for Well performance Analysis called Amethyste. If you are using any KAPPA product, you have access to Amethyste until April 2010. With Amethyste in Ecrin, any module may now run a complex wellbore model dynamically. You can refer to the Amethyste...

KAPPA is a Petroleum Exploration & Production software company created in 1987. The KAPPA software portfolio covers Pressure Transient Analysis (Saphir software), Production Logging interpretation (Emeraude), Production Analysis (Topaze), reservoir simulation (Rubis) and Well Performance Analysis (Amethyste). Most of these applications are now integrated in a single workstation environment, Ecrin. The application portfolio is complemented by Diamant Master, a client-server solution operated by the Diamant module of Ecrin. It was originally designed to process and share permanent gauges data and interpretation documents, but it has since then evolved towards a reservoir surveillance environment. KAPPA also offers Training and Consulting services in the same area as its software portfolio. It integrates a new module for Well Performance Analysis; Amethyste and sees...