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Riserless Light Well Intervention

Advanced Technologies

Reducing the cost of deepwater operations in mature subsea fields is the  driving force behind the development of our Riserless Light Well Intervention (RLWI) technology.  This technology enables cost effective intervention operations into existing subsea wells, resulting in additional production volumes  at highly competitive costs for the incremental volumes of oil produced.

The technology includes a patented lubricator system for inserting downhole tool packages into the wellbore under full pressure and without taking hydrocarbons back to the vessel. All equipment that connects to and controls the subsea well is deployed from a lower-cost, dynamically-positioned, monohull vessel that does not require drilling or workover risers and anchors.

RLWI operations are typically carried out from a dynamically-positioned, purpose-built, intervention vessel that performs the following operations: logging, gauging, plugging, re-perforating, and various downhole mechanical works to reduce flow restrictions.

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RLWI

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