PR-189-9216-R01 Subsea Repair of Gas Pipelines without Water Flooding

The primary aims of the study were to:

· review the existing scene describing the equipment, methods, and the vendors active at the present time. This is presented in detail in the report and is intended to provide a ready reference for PRC members;

· to investigate future developments, the systems required, and the potential of the existing equipment to meet the projected demand, namely for isolation systems capable of performing in subsea, mid-line scenarios.

· to outline the immediate industry requirements for development work and the concept and feasibility studies necessary to support the anticipated industry requirements.