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Monthly Archives: July 2009
Some Kinds of Velocity
by Arif U Hakim There are at least 5 kinds of velocity commonly used by interpreter to build velocity modeling or time-to-depth conversion. 1. Stacking Velocity The distance-time relationship determined from analysis of normal moveout (NMO) measurements from common depth … Continue reading
Posted in Geophysics
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Datum and Surface Referenced Velocity
By Arif U Hakim Sometimes data loader maybe a bit confused oh which type velocity is usually used or loaded from seismic processing since sometimes seismic processor give them two type of velocities namely: 1. Surface referenced velocity 2. Datum … Continue reading
Posted in Geodata Management
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MD, TVD, TVDSS
By Arif U Hakim Simply in non deviated well (vertical well), Measured Depth (MD below well elevation) is True Vertical Depth (TVD below datum) + the KB elevation (see the picture below) ——|———– WELL ELEVATION (KB) | KB Elevation ——|———— DATUM (MSL) … Continue reading
Posted in Geodata Management
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How to calculate byte size of 2D volume
By Arif U Hakim Someone may need to compute the total size of 2D volume in a SW project. The steps are very simple. Just go to Seismic Project Manager –> Master Project Utilities Then Query –> Run –> select … Continue reading
Posted in Uncategorized
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How to get corner points of 3D SW project
by Arif U Hakim You actually can get the 3D survey coordinates just from seismic data manager —> Grid. But if you need four corner points, you can just go to Seismic Project Manager –> Utilities –> 3D Survey Grid … Continue reading
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