Dtek 3

Case study

A high-density 3D seismic survey in Ukraine

A case study on the first-ever high-density nodal seismic survey completed by DTEK Oil&Gas, using STRYDE's technology and in-field data processing solution.

Survey snapshot

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Operator

DTEK Oil&Gas

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Location

Runovshchynska field, Ukraine

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Survey size

11 km²

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Survey design

Orthogonal, 5 m inline sampling and 20 m crossline sampling

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No. of nodes used

30,000

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Source

Vibroseis and dynamite

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Trace density

13 million traces

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Processing

Completed using STRYDE Lens™

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the case study

Feautured in World Oil

This case study highlights the operational achievements and data outcomes from DTEK Oil & Gas's ground-breaking high-density nodal seismic survey. This first of its kind survey in Ukraine was conducted using STRYDE's innovative technology and in-field data processing solution, STRYDE Lens™.

Celina Giersz, Senior Processing Geophysicist, provided an in-depth account of the project to World Oil, detailing the survey's acquisition, processing methodologies, and the actionable insights generated for the drilling operations in the Runovshchynska field, in Ukraine.

Solutions delivered to DTEK Oil&Gas

STRYDE nodal acquisition system

DTEK purchased the STRYDE Nimble Acquisition System, a cost-effective, agile, and highly portable solution equipped with 30,000 nodes, along with the necessary hardware for node charging and seamless data harvesting. This system is designed to capture high-density seismic data, enabling more accurate subsurface insights while maintaining operational flexibility.

STRYDE nodal acquisition system

In field processing - STRYDE Lens™

To further accelerate the delivery of decision-ready seismic images, DTEK employed STRYDE Lens™, an advanced in-field processing on-the-edge solution. Remotely accessed by STRYDE's land data processing experts in London, UK while the acquisition was ongoing, this approach proved to enable a record-breaking turnaround time for interpretation-ready seismic data and actionable results.

In field processing - STRYDE Lens™

"Thanks to STRYDE's in-field processing solution, STRYDE Lens™, we were amazed to receive fully processed and migrated seismic volumes within just two weeks of concluding our seismic survey in Ukraine.

This was followed by a refined product two weeks later based on analyst's and interpreter's feedback. Surprisingly, the quality of the Lens™ image rivalled that of the conventional processed image that was concurrently being progressed and took four months to deliver.

During a critical phase of our drilling program, this rapid delivery was instrumental. The detailed structural insights provided by the STRYDE Lens™ image enabled us to swiftly pinpoint optimal drilling locations and move the drilling equipment to the relevant location much earlier than expected."

DTEK Exploration Manager

Yevgeniy Solodkyi

Head of Exploration Department at DTEK Oil&Gas

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Benefits

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50% less people required for the acquisition

Resulting in reduced seismic survey costs, logistics, and HSE risk exposure.

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4x the trace density of the legacy survey

The affordability of the STRYDE nodes allowed the trace density to be increased by a factor of 4, resulting in a better subsurface image.

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Delivery of a high-resolution seismic image in just 2 weeks

Allowing DTEK to complete the appraisal of well locations as early as possible.

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Helped DTEK avoid unnecessary drilling costs

Quick access to the seismic image allowed the drilling equipment to be relocated efficiently, minimizing rig downtime and associated costs.

"Surveying a large, complex agricultural area with diverse terrain and land access restrictions posed significant challenges, particularly related to receiver spread. However, STRYDE's cable-free, agile technology enabled us to efficiently overcome these obstacles to acquire a high-density 3D dataset with a 50% reduction in crew size, when compared to similar-sized cabled surveys we have conducted.

This reduction in crew size, combined with faster survey operations and the use of fewer vehicles, greatly streamlined our processes and, importantly, reduced our exposure to HSE risks.

The lack of real-time data visualisation wasn’t a concern, the dense distribution of autonomous nodes assured us that losing a few wouldn't impact the overall image quality. We were impressed by how comparable the data quality was to the cabled data we usually encounter."

Yevgeniy Solodkyi
Yevgeniy Solodkyi

Head of Exploration Department at DTEK Oil&Gas

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