Rosneft Claims Longest Well Off Sakhalin

Rosneft as a member of Sakhalin-1 Consortium has completed drilling of the world’s longest well from Orlan platform at Chaivo field in the Sea of Okhotsk.

The length of the well with horizontal completion is 15000 meters, which currently is a world record. This is a supercomplex well with DDI (Directional drilling index) of 8.0 and 14,129 meters stepout.

A number of world records have been set in extended reach drilling since the start of drilling at Sakhalin-1 project in 2003. Taking into account the new record long well the Sakhalin-1 Consortium drilled 9 out of 10 of the world’s longest wells.

Sakhalin-1 extended reach drilling is among the fastest in the world owing to the advanced and efficient technologies such as “Fast Drill”. This technology combines modeling of physical parameters of drilling with a structured approach to well designing. Extended reach drilling is said to reduce costs of construction of additional offshore structures, pipelines and other field infrastructure facilities and it also mitigates environmental impact due to smaller drilling and production footprint.

Since 2013 the project has set five world records for measured depth of wells.

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