Long Distance Subsea Tiebacks

As industry continues to search for cost effective field development solutions, installing a new floating facility in deep water becomes too expensive especially for marginal reservoirs. In addition to high CAPEX, new floaters also increase carbon intensity. There is an increasing number of smaller fields that are also located at longer offset distances from existing host facilities. Subsea long distance tiebacks can be challenging due to flow assurance performance limitations combined with high capital costs considering traditional field development solutions. These limitations include pressure drop in long flowlines, thermal management to mitigate hydrates and wax deposition, and the need for cost efficient delivery of chemicals. To overcome these limitations and enable economic development of long distance tiebacks, this webinar will provide an overview and benefits of key building blocks available to unlock stranded reserves by using long distance subsea tiebacks. The key enablers include electrically heat traced flowlines, subsea boosting and processing, subsea chemical storage and injection systems and all-electric subsea systems. These building blocks cost-effectively address key challenges to manage flow assurance in long distance subsea tiebacks and improve overall operability.

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