SORTING & GATHERING(PEMILAHAN & PENGELOMPOKAN)

GL-5081 INTERPRETASI SEISMIK GEOLOGI

Data seismik dapat dipilah dan dikelompokkan berdasar :

GL-5081 INTERPRETASI SEISMIK GEOLOGI

GEOMETRI AKUISISI

GL-5081 INTERPRETASI SEISMIK GEOLOGI

Common Shot Gather

GL-5081 INTERPRETASI SEISMIK GEOLOGI

Common Offset Gather

GL-5081 INTERPRETASI SEISMIK GEOLOGI

Common Receiver Gather

GL-5081 INTERPRETASI SEISMIK GEOLOGI

CDP/CMP gather

GL-5081 INTERPRETASI SEISMIK GEOLOGI

Definisi :

Seismic-data processing is the set of procedures, implemented on a computer to convert the raw-seismic signals into interpretable images

Tujuan :

1. Noise reduction2. Model building3. Imaging

GL-5081 INTERPRETASI SEISMIK GEOLOGI

URUTAN PEMROSESAN DATA SEISMIK DASAR

Demultiplex

Gather

NMO

Stack

Display

Deconvolution

Velocity Analysis

Migration

Filtering

Gain control

Proses-proses tambahan :

GL-5081 INTERPRETASI SEISMIK GEOLOGI

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GL-5081 INTERPRETASI SEISMIK GEOLOGI