Offshore Engineer: The lifting business

Nathan Holland, product line director, Artificial Lift Systems, Baker Hughes: Baker Hughes recently launched the TransCoil rigless-deployed electrical submersible pumping (ESP) system. The TransCoil system – developed in participation with Saudi Aramco – features an inverted ESP system with the motor connected directly to a new, proprietary power cable configuration, eliminating the traditional ESP power cable-to-motor connection. This improves overall system reliability. Unlike wireline-deployed ESPs, the fully retrievable TransCoil system does not have an in-well wet connection, which requires a rig to pull and replace it if the wet connection fails. The power cable design enhances the reliability of the deployment string compared to coiled tubing-deployed ESPs that simply pull the power cable through the coiled tubing. The TransCoil system cable design also extends the operating range to 12,000ft compared to traditional coiled tubing-deployed ESP systems, which are limited to approximately 7000ft…



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