A case study demonstrating how STRYDE's nodal seismic systems enabled an ultra-high-density seismic survey to be acquired for a CCUS application. This project was conducted in partnership with STRYDE, Explor, and Carbon Management Canada at a CCUS research site in Canada, where the smallest and lightest source and receiver equipment in the industry were used to achieve a trace density of 257 million traces/km2.
Project partners: STRYDE, Explor and Carbon Management Canada (CMC)
Industry: Carbon, Capture and Underground Storage (CCUS)
Location: The CCUS Containment and Monitoring Institute Research site in Canada
Environment type: Grassland
To acquire an ultra-high-density (UHD) seismic survey at a CCUS injection site in the most efficient and affordable way possible, using the latest receiver and source technologies available on the market
Survey type: 3D UHD seismic survey
Deployment method: By foot
Survey layout: 1C configuration on a 7.5x7.5m carpet grid, and an additional cross spread consisting of 2 lines with STRYDE deployed in 3C configuration at 3.75m receiver spacing
Source used: A combination of Explor PinPoint® sources and Vibroseis sources
Seismic trace density: By acquiring all source points into an all-live receiver spread, a total of 257.4 million traces were acquired into this 1 km2 survey (using vibroseis and Pinpoint® sources combined), setting a new global record for seismic trace density
"Our collaboration with STRYDE and CMC is changing the game for subsurface imaging in support of CCUS, and we are proud to have broken a world record for trace density. We are delighted with the performance of how STRYDE's nimble nodes worked seamlessly together with our next-generation PinPoint® system, which weighs less than 2 kilograms and can fit in your pocket. The agility and cost-efficiency of these systems are driving a step-change in imaging the subsurface and sets a new benchmark for what can be achieved for CCUS."
CO2 storage requires certain geological conditions to be met to make it successful. This in turn requires a thorough understanding of the subsurface, not only to find the right host but to also monitor the newly created “reservoir” because CO2 leakage can incur serious risk if it reaches certain geological formations.
In 2021, STRYDE joined forces with Explor and CMC to demonstrate a very efficient way of acquiring this type of seismic using the latest miniaturised seismic acquisition equipment for both sources and receivers.
Projects conducted at this CCUS research site allow technology developers like STRYDE and Explor to advance the commercialisation of carbon storage, inform best practices in CCUS monitoring technologies and help the energy industry better understand the movement of fluids underground, in this environment.
"257.4 million traces were acquired in this 1 km2 survey, resulting in 78 terabytes (TB) of ultra-high-density 3D seismic data. This data set was acquired using the STRYDE Nodes™ and a combination of traditional vibroseis sources and innovative PinPoint® source technology. Using two of the most compact and agile receiver and source systems available in the market, this survey produced one of the densest seismic datasets ever acquired on land in the most cost effective and efficient way, and delivered high-resolution subsurface insights required to locate and monitor CCUS injection using low cost, miniaturised equipment."
The seismic receiver systems provided by STRYDE and Explor unlocked significant cost savings when compared to competitor systems and reduced the project timeline significantly
Low-cost, miniaturised nodal and source technology proved that high-density seismic can be acquired efficiently and effectively, enabling this solution to be accessible and affordable to markets like CCUS, with lower cost margins
The raw 3D UHD seismic data harvested from the nodal system was navigation-merged at the output, meaning all source and receiver information was already populated in the seismic headers, enabling further efficiencies to be unlocked during processing
This powerful combination of tools allows the acquisition of very high density data where fast track processing delivers superior products at a very early stage in processing. Early products starting from brute stacks, through early denoise, and raw migrations tend to deliver superior images to conventional sparse surveys and often reveal geological features that might have required several stages in processing to be seen with sparser data
The seismic technology used in this survey displayed extremely high levels of reliability, with no failures experienced during the entire duration of the active and passive survey.
The fast-track capability enabled by STRYDE’s systems unlocked the ability for stakeholders to make more informed decisions very shortly after the end of a seismic survey, while the seismic volume and its attributes keep improving as the production sequence progresses
The datasets acquired in this project will be shared with academic institutions at no cost to help drive a better understanding of the benefits of seismic data in supporting CCUS projects. It will also be available to license for companies considering seismic acquisition for CCUS
The Nodes and source technologies miniature size and lightweight traits allows for transportation by foot, eliminating the need for line clearing and minimising land disruption
The unique characteristics of the Nimble nodal system™ and Pinpoint® source technology reduces the number of people and vehicles required in the field, in turn, reduced the acquisition project’s exposure to risk
"This is yet another example of the incredible nimbleness, versatility, and flexibility of the STRYDE system at enabling surveys designs that were unimaginable a few years ago, even for oil and gas applications. The STRYDE system has clearly freed surveys from the traditional receiver constraints allowing new innovative sources technologies to demonstrate their ability to push this nimbleness even further. This survey demonstrates that ultra-high-density seismic is no longer an exclusive product of the oil and gas industry but has now become accessible to more modest industries that will benefit immensely from it."
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