ANALISA MODEL KECEPATAN DENGAN PRE STACK DEPTH MIGRATION PADA LAPANGAN ‘X’

*Dimas Sidiq Baskoro  -  Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro, Semarang, Indonesia
Agus Setyawan  -  Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro, Semarang, Indonesia
Bambang Mujihardi  -  Pertamina UTC, Jalan Medan Merdeka Timur, Jakarta Pusat, Indonesia
Published: 1 Apr 2016.
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Abstract

Analysis on Pre - Stack Depth Migration ( PSDM ) has been applied in the data field " X " on line 11 and 48.  Pre - Stack Time Migration ( PSTM ) often get  discontinuity of reflector caused by lateral velocity variations and complex geological structure . It can be overcome by processing the data using an accurate velocity model . Pre- Stack Depth Migration has done by using the velocity model obtained from a tomography velocity models that reflect the actual state of the earth . PSDM able to show better results compared with the results of PSTM , which is able to confirm the continuity of reflectors and more coherent resolution.

 Keyword:  PSDM, PSTM, lateral velocity variation

Keywords: PSDM, PSTM, lateral velocity variation

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