Abstract

Use of alternatively deployed electrical submersible pumping (AD ESP) systems requires review of the main principles behind completion architectures associated with traditional ESP technology. Completion architectures designed for rigless interventions need to take into account the main value proposition of the AD ESP technology, which is based on reduction of the deferred production and the ESP replacement costs, thus improving operating cash flow and reducing operating expenditure.

Accumulated operational experience of AD ESPs to date identified the main principles to be applied while looking at each specific application and considering the existing well control requirements and operating practices. Design of the completion architecture and the need for adjustment of the existing practices, while retaining focus on operational and personnel safety, has a vital impact on the operator's ability to realize an improved asset value from implementation of the AD ESPs as compared to the standard ESP technology.

The paper describes the technical aspects, technology development progress, and challenges of the AD ESP and highlights the main completion considerations that must be considered in designing a suitable completion architecture that would allow rigless replacements without a drilling rig or a hoist while adhering to applicable well control requirements.

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