GeoSphere Reservoir Mapping-While-Drilling Service

Reservoir-scale mapping reveals enhanced view of reservoir properties

Using deep, directional electromagnetic measurements, the GeoSphere service reveals subsurface-bedding and fluid-contact details more than 150 ft [45.72 m] from the wellbore. This reservoir-scale view provides an unprecedented depth of investigation, enabling operators to optimize landing, maximize reservoir exposure, and refine field development plans.

Geosteer slimhole operations to evaluate and map the reservoir with confidence

The GeoSphere 475 service provides unprecedented, real-time depth of investigation while geosteering in as small as a 5 7/8-in borehole size to

  • increase potential production recovery rates
  • unlock access to new or marginal reserves
  • minimize water production
  • avoid drilling hazards.
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Maximize reservoir exposure with optimized landing

Using deep, directional electromagnetic measurements, the GeoSphere service precisely maps the reservoir top. With a clear, real-time view of the reservoir, operators can land optimally and avoid losing lateral exposure or creating sumps. By exposing more of the lateral section to the reservoir, the GeoSphere service improves production potential and maintains wellbore integrity.

Enhance well landing operations and eliminate pilot holes

Pilot holes, which are often drilled to evaluate the formation before landing the horizontal, can cost tens of millions of dollars offshore. Even when drilled, pilot holes do not effectively mitigate risks in complex reservoirs where shallow or deep landings may occur. Resolving the reservoir and its boundaries, the GeoSphere service optimizes well landing—eliminating drilling risks and costs associated with pilot holes.

Refine geological maps in real time for precise steering and enhanced modeling

The GeoSphere service helps refine geological reservoir models to provide a deeper understanding of subsurface boundaries and fluid contacts in complex environments. Data provided by the service is integrated with seismic data to help operational engineers analyze the reservoir, adjust well paths while drilling, and deliver smoother wellbores.

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