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Next-Generation Seismic Techniques for Efficient Permian Basin Exploration

  • Author
    Bruce Karr
  • Published
    August 14, 2024
  • Word count
    1,057

The Permian Basin, one of the most prolific oil and gas-producing regions in the world, presents unique challenges and opportunities for seismic analysis. In fact, the North America seismic services market was valued at USD 3.2 billion in 2023 and is projected to grow at a CAGR of 6.1% from 2024 to 2032. Seismic imaging plays a crucial role in understanding the complex subsurface structures of this region, facilitating more efficient exploration and production. Recent advancements in seismic technology have significantly enhanced our ability to acquire, process, and interpret seismic data, leading to improved decision-making and operational efficiency.

Traditional seismic acquisition and processing methods have been the backbone of subsurface imaging in the Permian Basin. However, these conventional techniques often struggle to resolve the intricate geological features characteristic of the region. Complex fault systems, varying lithologies, and heterogeneous reservoirs present significant hurdles, necessitating advanced approaches to capture high-resolution images and accurate subsurface models. Additionally, the sheer volume of seismic data generated poses challenges in data management, processing, and interpretation, requiring innovative solutions to handle and analyze this information effectively.

Cutting-Edge Seismic Imaging Technologies

One of the most significant advancements in seismic imaging is the adoption of high-resolution 3D and 4D seismic surveys. These surveys provide detailed images of the subsurface, allowing for more precise identification of geological features and changes over time. Full-waveform inversion (FWI) has emerged as a powerful tool, enhancing velocity models and providing more accurate subsurface representations. This technique uses the entire wavefield recorded during seismic surveys, leading to improved resolution and deeper penetration. Simultaneous source acquisition has also gained traction, enabling more efficient and cost-effective seismic surveys by recording multiple sources simultaneously, reducing survey time and operational costs.

TGS implemented advanced land seismic imaging technology in the Permian Basin. Specifically, the West Kermit 3D seismic data project has been instrumental in resolving significant subsurface structural complexities. This technology provides more accurate imaging of the subsurface, which is crucial for effective exploration and production in the region. The project has demonstrated a significant increase in drilling success rates, showcasing the tangible benefits of high-resolution seismic surveys in overcoming geological challenges and optimizing exploration efforts.

Real-Time Data Integration and Advanced Analytics

Integrating real-time seismic data with drilling operations has revolutionized how exploration and production activities are conducted in the Permian Basin. In 2022, 634 earthquakes were recorded in the Delaware Basin, highlighting the need for advanced seismic analysis to mitigate risks associated with intensive production activities. Seismic-while-drilling (SWD) technology allows for continuous seismic data acquisition during drilling, providing real-time insights into subsurface conditions. This integration facilitates immediate adjustments to drilling plans based on current data, improving drilling accuracy and reducing the risk of encountering unexpected geological hazards. Look-ahead vertical seismic profiling (VSP) is another innovative approach that provides advanced warning of subsurface conditions ahead of the drill bit and enhances safety and operational efficiency.

Applying big data analytics and machine learning in seismic interpretation is transforming how seismic data is analyzed and utilized. Automated algorithms for fault and fracture detection significantly minimize the time and effort required for manual interpretation. Machine learning techniques are employed for facies classification, enabling more accurate identification of reservoir characteristics. Predictive analytics leverage historical data and advanced algorithms to identify sweet spots with high production*/8n potential, optimizing well placement and production strategies.

Edge computing is playing a pivotal role in seismic processing by enabling on-site preliminary data processing and real-time quality control. This approach reduces the need for extensive data transfer and storage, minimizing costs and enhancing operational efficiency. Adaptive survey design based on real-time data ensures that seismic surveys are continually optimized for the best possible results, leading to more accurate subsurface models and improved decision-making.

Case Study: Successful Implementation in the Permian Basin

A notable case study demonstrating the impact of advanced seismic analysis involved a project aimed at improving well placement in the Permian Basin. By employing high-resolution 3D seismic surveys, FWI, and machine learning algorithms, the project achieved a significant increase in drilling success rates. The use of advanced seismic techniques led to better reservoir characterization, more accurate well trajectories, and, ultimately, higher production rates. This project underscored the economic benefits of adopting cutting-edge seismic technologies and provided valuable lessons for future exploration and production endeavors.

Future Trends and Opportunities

Several emerging trends are poised to further enhance seismic analysis in the Permian Basin. Quantum computing holds the potential to revolutionize seismic algorithms, allowing for quicker and more precise processing of complex seismic data. The integration of seismic data with other geophysical methods, such as electromagnetic surveys and gravity data, will provide a more comprehensive understanding of subsurface conditions. Additionally, advancements in automation are paving the way for fully automated seismic interpretation, reducing human error and increasing efficiency.

Advancements in seismic imaging and analysis techniques have significantly improved exploration and production efficiency in the Permian Basin. These innovations have addressed the region’s unique geological challenges, providing more accurate subsurface models and enhancing decision-making. As technology continues to evolve, the opportunities for entrepreneurs in the seismic technology space are vast, promising further improvements in the efficiency and effectiveness of exploration and production activities.

Bruce Karr has served Fairfield Geotechnologies for three decades in several roles as a Geophysicist. Karr’s data expertise includes 3D and 4D multi-component formats with a focus on advanced processing and imaging strategies that compliment field acquisition technologies. Bruce graduated with a Bachelor of Science in Geophysical Engineering from the Colorado School of Mines in 1988 and began his career with field work in Saudi Arabia. Bruce was later transferred to Midland, where he began processing seismic analysis data in the Permian Basin. By the early 1990s, Bruce began mastering 3D projects in the U.S. unconventionals and brings a wealth of experience to the company. Karr mentors students and collaborates with professors in the Colorado School of Mines Reservoir Characterization Project (RCP) in Golden, Colorado; the Bureau of Economic Geology Consortium (EGL), in Austin, Texas; and the Kansas Geological Survey (KGS), in Lawrence, Kansas, and has produced numerous papers concentrating in our areas of expertise on resolving modern higher-order geotechnical challenges.

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