DGI Blog

Analysis of the latest news, trends, and technology from the oil and gas industry

Microseismic Monitoring: Measuring the Effectiveness of Reservoir Stimulation

Microseismic monitoring is helping reservoir engineers plan and execute more effective stimulations to maximize recovery. Over the past two decades, innovations in surface array and downhole geophone technologies—combined with algorithms that filter “noise” from sources such as pumping and surface operations—have improved the accuracy of locating and characterizing microseismic events.

Enhancing Seismic Survey Interpretation With Data Integration

Improved interpretations of seismic surveys are achieved when additional, relevant subsurface data are integrated with seismic data to provide better context for the analysis. However, the challenge of integrating the volume and variety of available seismic, geologic, petrophysical, wellbore, and production data into a single environment for analysis is often the greatest barrier to obtaining the maximum benefit from a seismic survey interpretation.

Mitigating Common Risks in Oil and Gas Production

While there’s no way to completely eliminate mishaps and failures that can create potential risks in oil and gas production, operators can implement key monitoring measures that help them find precarious aberrations sooner rather than later.

Reducing Subsurface Uncertainty with Data Integration and Visualization

Reservoir engineers have the benefit of ever-greater volumes and varieties of reservoir data available to drive development and operational decisions. Yet, utilizing these data sources to provide a more detailed and accurate model of subsurface conditions remains one of the biggest industry challenges.

3D Visualization of Older Subsurface Data to Evaluate Unconventional Opportunities

Lithologic distribution—shale, sandstone, silt, etc.—has a major impact on the recoverable reserves in unconventional reservoirs. Many of the most successful unconventional plays, such as Williston, Permian, and Anadarko Basins rely on thinner conventional reservoirs embedded in the major source rock shales for their most prolific portions of the play.

Visualizing Open Hole Data for Multi-Disciplinary Teams

With the proper instrumentation, a wide range of logging data can be acquired during and after the drilling process. Open hole data acquired before casing the wellbore is generally used by production engineers and geoscientists to gain a better understanding of key subsurface and reservoir characteristics. A large volume of log data collected helps engineers and geoscientists to develop a well-informed completion strategy.

Minimizing the Uncertainty of Well Trajectory Calculations

Minimizing the Uncertainty of Well Trajectory Calculations

Positional uncertainty can be calculated anywhere along the wellpath, from tie-on to total depth.A well-understood fact: Absolute location accuracy is nearly impossible because of the inherent positional uncertainty (commonly referred to as “errors”) in measurements...

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