In-Depth Reservoir Services group provides:
- Seismic Inversions
- Advanced AVO Analysis
- Porosity Prediction
- Seismic Attributes Generation & Analysis
- Seismic Lithology & Facies Classification
- Pore Pressure Prediction
- Rock Physics Modeling
- Reservoir Seismic Enhancement
- Seismic Interpretation
Seismic Inversion: The Common Language for Engineers, Geologists, and Geophysicists
Seismic inversion is a straightforward procedure: the original reflectivity data is converted from a seismic reflection to a rock property, known as impedance (sonic velocity X bulk density). Impedance provides a common language between engineers, geologists, and geophysicists because every VATs, in contrast, separate the RTM image based on sub-surface angle and azimuthal contribution to the image.
This has the effect of separating the data according to the sub-surface structure one understands the concepts of geology and acoustic impedance far better than the abstract concepts of a seismic trace. Therefore, the inversion domain provides common ground for integrating the various disciplines within a multidisciplinary asset team. Furthermore, seismic inversion can be used to evaluate the presence of reservoirs to help properly estimate if commercial reserves exist.
Major benefits from Seismic Inversion include:
- Since well logs are often considered to be “ground truth” for the subsurface, inversion forces well ties to be made and understood.
- Interpreting data in the inversion domain is far easier than in the seismic domain.
- Inversion removes the effects of the wavelet within the seismic bandwidth.
- Reservoir properties are separated from the complex overburden.
- Inversion can provide quantitative predictions on the reservoir properties.
- Subtle stratigraphic features can be enhanced.