A study was initiated to evaluate the benefit of low capital cost and low maintenance cost technologies to rehabilitate pipelines in marginal fields and apply artificial lift solutions to marginal wells to keep them running profitably and with an attractive return on investment (and with no sacrifice to safety and environmental risks).

The challenge is to have a new technology with lower "Total" cost from design, procurement, installation, operation and maintenance during its life time. In addition, the technology must meet the required planned production flow, which, in some cases, can be higher than current flow.

RTP per API15S was shown as the most cost effective solution in rehabilitation of pipelines in marginal fields.

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