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Centek launches UROS-CT for deep water wells


Published Nov 26, 2013
UROS-CT

Centek Group has introduced its UROS-CT centralizer targeted on tight casing applications in deep water wells.

The UROS-CT is designed for use in tight tolerance casings where the centralizer is required to compress fully to travel between tight casing strings yet will expand to the designed open hole size. The UROS-CT is engineered to precise ring-gauge tolerances, partly because casing drift downhole is a major concern when running deep water wells, but also because the centralizer must compress as closely as possible to the casing as every millimeter saved allows for greater expansion in the open hole.

The other problem with tight casing strings is securing the centralizer in position. Bolt-on stop collars are too proud of the casing so Centek uses low-profile, positive stop-rings.

The UROS-CT fits straight on to standard casing joints, so there is no need to run an expensive pup joint and substantial rig make-up time is avoided. This centralizer significantly reduces insertion forces and drag, and the unit does not need to be pulled into the well as the design allows for normal run-in-hole (RIH) methods, so it goes down under its own mass.

Tags: Centek Inc




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