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Schlumberger introduces IriSphere drilling service

May 07, 2019
2 min read
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Schlumberger has launched IriSphere look-ahead-while-drilling service that reduces drilling risks and improves efficiency by providing data ahead of the bit in real time.

The new service provides the industry’s first application of electromagnetic (EM) technology for detecting formation features ahead of the drill bit in oil and gas wells.

The service uses EM-based resistivity measurements more than 100 feet ahead of the drill bit, which are then compared to a prepared model that incorporates offset and other data to reveal a true downrange representation of the formation while drilling. This enables operators to make proactive decisions rather than reacting to measurements at or behind the bit while drilling wells.

“IriSphere service was created in response to the needs of our customers for risk reduction, improved drilling efficiency and optimal casing point selection,” said Tarek Rizk, president, Drilling & Measurements, Schlumberger. “Knowing what conditions lie ahead of the bit while drilling enables operators to reduce uncertainties and minimise costs by identifying geological features and deciding which actions to take before encountering them.”

More than 25 field trials were conducted with the IriSphere service in Asia, Australia, Latin America and Europe. These trials included successfully detecting reservoirs and salt boundaries, identifying thin layers, and avoiding drilling hazards, such as high-pressure formations that can lead to wellbore stability issues.

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