A Diverse Approach to CO2 Monitoring Solutions
TGS, with help from key partners, continues to invest in concepts and technologies to enable safe, efficient, and cost-effective monitoring for Carbon Capture and Storage (CCS) sites.
Bringing Cutting-Edge Seismic Acquisition to CCS
TGS is actively testing a variety of cost-effective seismic acquisition and node-based technologies to enhance subsurface imaging efficiencies compared to current conventional streamer-based 4D seismic acquisition.
Our XHR (Extended High-Resolution) imaging technology can provide 4D imaging for Carbon Storage sites for initial site identification and ongoing 4D monitoring.
Our ocean bottom node (OBN)-based solutions can also be used to provide innovative and cost-effective solutions to monitor carbon storage reservoirs.
DAS / VSP: Leveraging Fiber Optic Technology
TGS provides a cost-effective 4D CO2 “in well” fiber optic monitoring solution with Distributed Acoustic Sensing (DAS) and active sources to produce Vertical Seismic Profiles (VSP). This technology leverages existing fiber technologies and a step change in imaging technology, creating an image over much broader areas than conventional DAS (VSP) data for active source applications.
As a passive sensor, the fiber captures additional data, including temperature and pressure, resulting in a real-time monitoring solution. In some cases, feasibility modeling has revealed that a DAS (VSP) dataset can cover the 4D needs for the injected CO2 plume for two decades or more, reducing the cost of the overall monitoring program.
- Reduces acquisition risk and delivers a robust 4D solution
- Low cost and effective for life of well solution
- Technology is already widely adopted within oil and gas (in-well DAS cable recording has been tested onshore US and in Deepwater Gulf of Mexico)
Image: Time-lapse example of P-Cable data acquired in the Snøhvit field showing an inline of the baseline (A), monitor (B), the difference between monitoring and baseline survey data (C), and the comparable NRMS section using 5 meters running interval (D). (Waage et al (2018), Planke S. et al, in press).
Improved CCS subsurface insight with advanced Ocean Bottom Node technology
Make data-driven decisions with ease. Our technology significantly improves subsurface imaging to de-risking and monitoring CO2 storage sites