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Schlumberger launches mapping-while-drilling technology

19th May 2014

Schlumberger announced today the introduction of the GeoSphere reservoir mapping-while-drilling service

Schlumberger launches mapping-while-drilling technology
The GeoSphere service has been tested in more than 140 wells worldwide

 The new technology reveals features in subsurface beddings and fluid contacts at the reservoir scale to optimise well landing operations, steering capabilities and mapping of multiple boundaries using new deep-directional resistivity measurements enabled by proprietary real-time interpretation techniques.

“With GeoSphere technology, Schlumberger is introducing the first-ever reservoir mapping-while-drilling service that enables customers to map their reservoirs using unprecedented depth of investigation measurements around the wellbore combined with a novel mathematical inversion methodology,” said Steve Kaufmann, president, drilling and measurements, Schlumberger. “This long-awaited technology milestone commercialization now enables asset teams to seamlessly integrate the data provided by the reservoir mapping-while-drilling service with other downhole measurements to optimize production and reservoir management.”

With a deep range of investigation that extends more than 30 metres from the wellbore, drilling teams can use the GeoSphere service to reduce drilling risk and accurately land wells, resulting in the elimination of pilot holes. In addition, the real-time reservoir mapping-while-drilling service enables the positioning of wells within target reservoirs, away from fluid boundaries, leading to increased reservoir exposure as well as allowing geoscientists to refine their seismic interpretation and geological and structural models.

The GeoSphere service has been tested in more than 140 wells worldwide, including locations in North America, South America, Europe, Middle East, Russia and Australia.

Offshore Brazil, a customer deployed GeoSphere technology to accurately map multiple deepwater-well reservoir sections. The reservoir mapping-while-drilling service was used to guide well steering decisions, which enabled the customer to improve the drain position, avoid unplanned exits from target reservoirs, and to acquire reservoir knowledge to optimise production.

In the North Sea, a customer used the GeoSphere service to successfully land a well and detect the top of the reservoir target from a distance of nearly 15 metres, allowing for optimization of the drilling plan before the formation was drilled. With the drill bit over 90 metres away from the target reservoir, the mapping-while-drilling technology confirmed that there was considerable distance for adjusting the trajectory if needed, to optimise reservoir entry.

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Schlumberger launches mapping-while-drilling technology | Oil and Gas Technology

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