Petrel Seismic Attribute Analysis
Enhance Traditional Seismic Information for Improved Data Interpretation
The attribute generation process contains a library of different single and multitrace seismic attributes for display and use within the seismic interpretation workflow. Seismic attribute analysis helps to enhance information that might be subtle in traditional seismic, leading to a better interpretation of the data.
Genetic inversion
Seismic reflection data is the primary input for resolving structural and stratigraphic variations between points of well control. Petrel software provides a fully integrated genetic inversion algorithm that enables geophysicists and geologists to more accurately predict interwell properties from seismic data in Petrel software. Horizon autotracking options allow you to pick directly on the impedance volume, or they can be used as an input in the enhanced geobody isolation and extraction process for improved reservoir characterization.
Surface attribute library for rapid prospect identification
The attribute library gives the user access to more than 40 attributes that can be instantly calculated directly at interpreted events, on nearby uninterpreted events, or between events. This enables the interpreter to extract maximum value from seismic data by providing more detail on the subtle lithological variations of the reservoir.
Fault and fracture identification
Petrel software offers a full range of attributes to identify faults and fractures, including variance and dip-guided variance, ant tracking, and 13 different curvature attributes.
Enhancing seismic workflows
A variety of new workflows can be derived using attributes to
- precondition the data for better horizon autotracking
- enhance the fault signature of the data by calculating variance or chaos, or by filtering structural smoothing with the edge enhancement option
- precondition the data for seismic facies extraction using relative acoustic impedance or the chaos attribute to isolate salt bodies
- combine attributes and generate users' own attributes using the seismic calculator.
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