Field technology
Earlier formation images raise better well questions
SLB's October 15 deployment update puts the timing of subsurface information in focus.
ThermalTech editorial ·
The development
In an October 15 feature, SLB reported that its Retina at-bit imaging system had been used in more than 50 wells across 18 locations in its first commercial year. The company describes formation images at approximately 2-millimeter resolution, acquired at the bit while drilling. These are vendor-reported deployment and performance statements.
Put the decision before the image
For an operator reviewing an imaging proposal, begin with a specific uncertainty. Is the concern a geological boundary, an unexpected interval or the information needed to plan later work? Agree on who will interpret the result and what operational decision it could support. A sharper image becomes useful when the team can connect it to a question.
Ask how the result will be checked
Ask the supplier what conditions affect the measurement, which comparisons support the interpretation and what information is still needed after the run. Request evidence relevant to the proposed well rather than treating a worldwide deployment count as proof of suitability. Those questions also help distinguish a demonstration from a job-specific evaluation.
Bring the same discipline to diagnostic work
When discussing a separate downhole diagnostic job, describe the well question, available records and the decision you need answered. ThermalTech's service team can discuss its verified temperature-survey and noise-log offerings against that scope. The reported at-bit imaging system is an SLB technology; this article does not identify it as a ThermalTech offering.
Evidence and limitations
The primary source is SLB's own feature. This review did not independently verify individual deployments or establish applicability to a California well.
Sources and further reading
Published: October 15, 2026
Event: 2026-10-15 vendor deployment update; individual well dates not supplied
Checked: 2026-10-19