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  • Visualizing 3D Seismic Data

    The role of 3D seismic data is more important now than ever as the industries face the challenge of producing more for less cost.

    Image: Data used with permission of owner.

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Visualizing 3D Seismic Data

One time-step of a 4D seismic study is shown with wells, production towers and a reservoir simulation grid to get a good idea on how the fluids are migrating in a reservoir. Data used with permission of owner.

Exploration for the potential hydrocarbon assets has become a growing occurrence in recent years with the increase in global power demand. This has required the oil and gas industry to make effective use of technology to improve subsurface uncertainty analysis through collaboration across multifunctional teams. The effective acquisition and visualization of seismic data have immensely helped asset teams in increasing the effectiveness of collaboration and analysis to have a deeper understanding of the new and existing reservoirs and their properties to make careful planning and development decisions.

The history of 3D seismic visualization goes back to the 1930s when the first-ever 2D data was acquired, followed by the development of data recording and processing technologies in the 1960s and 3D visualization in the 1970s. The approach to data collection and high-quality visualization and quantitative analysis of 3D seismic datasets has improved immensely since then. With improvement in visualization technologies, multidisciplinary teams have been able to leverage seismic data for geological structure and stratigraphic analysis.

Exploring the Seismic Data and Interpretation Approach

The role of 3D seismic data is more important now than ever as the industries face the challenge of producing more for less cost. 3D seismic data is now used by drilling and reservoir engineers, geologists, and geophysicists in most of the project phases including hydrocarbon exploration, structural interpretation, and well planning and development, as well as reservoir management in the oil and gas industry.

3D seismic data is collected for onshore and offshore applications through extensive 3D seismic surveys using geophysical seismic reflection methods over the new or existing fields. The reflected data from each stratigraphic layer provides a way to explain the subsurface geological properties and phenomena within the reservoir. The greatest advantage of seismic data has been the acquisition of rock formation information which has allowed engineers and geoscientists to analyze for:

Most of these uncertainties in target and structural analysis arise from the lack of adequate data from all geological aspects. Integrating seismic data along with well logs and other production and engineering data and models makes it easy to improve the accuracy of the reservoir model. Visualization with a diverse range of data sets in a common geospatial platform further enhances the analysis of the 3D simulation model.

Effective Visualization of the Related Data

Comparison of 3D seismic visually in 3D and in 2D as a cross plot of oil saturation versus amplitude. Data used with permission of owner.

Often, the major setback for the planning and development of the reservoir occurs due to interpretation issues related to the seismic data. Especially in traditional 2D seismic mapping, there is a tendency to interpolate the data between widely spaced sections for ease of analysis for interpreters, increasing the margin of error.

3D seismic interpretation and visualization act as an effective tool for characterizing the reservoir and its attributes through the integration of a large volume of data. Integrated software platforms facilitate attribute analysis and visualization through the input of 3D seismic data volumes to form a comprehensive 3D reservoir simulation model. This model provides an accurate representation of the reservoir, representing all the inherent complexity. In the feasibility analysis and development phases, asset teams can utilize the 3D simulation model to:

Resources: 3D Seismic Visualization Approach

The following resources provide various approaches Dynamic Graphics Inc.'s integrated solutions can provide for 3D seismic data interpretation:

An Effective Solution for 3D Seismic Analysis

Software solutions from Dynamics Graphics Inc., such as CoViz 4D and EarthVision, provide an ideal platform for interpreters to accurately represent the seismic data at its correct geospatial position as an accurate 3D simulation model. The capabilities of these softwares allow interpretation through.

With easy data import, on-the-fly volumetric calculations, and visualization of seismic data with 3D and 4D analysis capabilities, a collaborative environment is fostered. This results in a comprehensive interpretation of the reservoir characteristics for asset teams to make an informed decision on reducing economic risks and increasing productivity.

Dynamic Graphics, Inc. has been at the forefront of providing software solutions for the oil and gas industry to easily integrate a wide range of logs, production, and engineering data with 3D seismic data. Powerful analytic and quantitative visualization capabilities allow reservoir and drilling engineers, geologists, and geophysicists to more accurately interpret the reservoir characteristics and support decisions that positively impact profit and reduce operational risk. To learn more about CoViz 4D contact our team.

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